Yesterday, I've unpacked new toy - ColorHug. It came in small packet with CD (which is unfortunately not that useful as it should be), mini USB cable and a letter from Richard Hughes. First attempt to use was of course just connect and make it work :-). The basic access works out of the box:

$ /usr/lib/colorhug-client/colorhug get-firmware-version
1.0.3
$ /usr/lib/colorhug-client/colorhug get-hardware-version
Hardware Version 1
$ /usr/lib/colorhug-client/colorhug get-serial-number
000019

Unfortunately calibration with colord does not yet work out of the box on Debian due to bug 655888. Hopefully it will be fixed soon and it will work nicer. For now you have to rebuild Argyll with Colorhug support (with extra pain caused by Debian package using different build system than upstream). I won't provided binary packages as I pretty much gave up after effort to build clean packages from same sources on i386 and amd64, which always failed on patched autoconf based build system. Side note: I somehow hoped that I won't hit new (in meaning that I don't know them) open source projects which do not use some version control. Unfortunately Argyll CMS is one of such projects... After this update (and restarting GNOME), when connecting ColorHug, the Gnome Color Manager pops up and man can calibrate the screen. The biggest problem is to make ColorHug hold on desired place on screen, if it is not close enough to screen, you will get really bad results. The first result is of course far from being perfect, but colors are definitely better than without calibration or with ICC profile shipped with notebook.

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Yesterday, I've unpacked new toy - ColorHug. It came in small packet with CD (which is unfortunately not that useful as it should be), mini USB cable and a letter from Richard Hughes. First attempt to use was of course just connect and make it work :-). The basic access works out of the box:

$ /usr/lib/colorhug-client/colorhug get-firmware-version
1.0.3
$ /usr/lib/colorhug-client/colorhug get-hardware-version
Hardware Version 1
$ /usr/lib/colorhug-client/colorhug get-serial-number
000019

Unfortunately calibration with colord does not yet work out of the box on Debian due to bug 655888. Hopefully it will be fixed soon and it will work nicer. For now you have to rebuild Argyll with Colorhug support (with extra pain caused by Debian package using different build system than upstream). I won't provided binary packages as I pretty much gave up after effort to build clean packages from same sources on i386 and amd64, which always failed on patched autoconf based build system. Side note: I somehow hoped that I won't hit new (in meaning that I don't know them) open source projects which do not use some version control. Unfortunately Argyll CMS is one of such projects... After this update (and restarting GNOME), when connecting ColorHug, the Gnome Color Manager pops up and man can calibrate the screen. The biggest problem is to make ColorHug hold on desired place on screen, if it is not close enough to screen, you will get really bad results. The first result is of course far from being perfect, but colors are definitely better than without calibration or with ICC profile shipped with notebook.

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The new hardware looks like it s reliable. The one I swapped out 10 days ago crashed every 3 days or so for reasons I couldn t discern. I changed that one for a spare I had laying around and have been hosting my blog on the machine to exercise it. So far, no crashes, and a 10 day uptime. Note: this is not the hypervisor I am trying the xen -> kvm migration out on. This is the one I set up for the University of Washington Bothell s PRCCDC project. Now I need to bring their admin staff up to speed on administering it.

cjac@proliant1:~$ uptime
 16:41:26 up 10 days, 22:15,  1 user,  load average: 0.00, 0.01, 0.05

And incidentally, I ve had more hits on the blog today than I have since the last time I started counting back in November:
Thanks all for giving me traffic with which to test the stack :)

Update: I managed to make sound work. For some weird reason, a mute switch option of some the many (and who knows how useful) switches of my sound card was enabled. Now the damn thing works. Did I mention that since I did the upgrade all my sound cards (I have a USB sound card, too) have listed as available inputs all the inputs of my internal sound card (mic, front mic, line in, CD, etc.) in Audacity? That makes for a very confusing and loooong sound input sources list! The upside is that I can finally record clips from televisions that do not provide such a feature and FastVideoDownload doesn't handle.

I also seem to have found a possible fix for the caps-ctrl issue in Xfce4 (obviously, setting "-option ctrl:swapcap" in ~/.Xkbmap, instead of that Alt modifier).

---

As I said in my previous post, I will tell you what do GNOME 3 and Windows 7 have in common.

Before everything else, I want to make it clear that when I am saying GNOME 3, I am referring to Debian Wheezy's GNOME 3, since I recently upgraded from Squeeze on my laptop. I'll probably drop a line or two about that, too.

First, I'll tell you about the (boring, probably for many) experience with Windows 7. As I said before, my new job requires me to use a Windows machine, so up until a few months ago I was using Windows XP with some additional software and tweaks to make it usable. Then came the Windows 7 upgrade . I am using quotes since the more appropriate term would be fresh installation on a new partition , not even close to what Debian users are used to call an upgrade.

So after a fresh Windows 7 installation, my first shock was the fact there was NO Quick Launch*. Some of you might be laughing, but I had never used Windows 7 up until then, just saw it on a laptop of a friend of mine (Ovidiu, one of the guys with whom I am doing this podcast, went to Denkfest with, and made these interviews). That was the first shock. Initial discussions about this with Windows users lead me to believe Quick Launch was dead and for some unexplained reason, I believed them. Later, much later, a week ago, to be precise, I found out that you can bring back the Quick Launch through some convoluted way**. Up until that point I had to have some icons pinned to the task bar, but some others on the desktop (and I hate that) because some of them, like Cygwin, if pinned, would start a cmd console, since Win 7 pins the process, not the starting script.

Among other things which broke in Win 7 and used to work fine in XP, the Virtual Dimension application which provides me with a virtual desktop, was the first one which was broken. I have been using a liniar 4 desktops-wide virtual desktop for over 5 years and I am worthless and inefficient if all my apps are on the same desktop. Mail application is always on the first desktop, work and file managers are on the second, the third is for extras and multimedia editing while the fourth is my gateway to the internet, containing the browser, instant messenger, or whatever.

The shortcuts I use to get to the various desktops are Win+1 ... Win+4 keyboard shortcuts, but the M$ Evil Empire decided that those shortcuts are going to start or bring foreward the first, second and so on applications pinned on the task bar. And you can't change those shortcuts***. Nor is disabling just those possible since they are all disabled through a huge switch which disables ALL Win+x keyboard shortcuts, among which Win+E (file expolrer) and Win+D (Show Desktop) were also. Luckly, Win+L (lock screen) was not disabled. So I disabled al those Win+ shortcuts, since I need virtual desktops.

Now, imagine if I had to start a Cygwin console and I had all sorts of apps open! Win+D was disabled, so I had to minimize the apps covering the desktop shortcut for Cygwin, click on the icon to start it, bring back the minimized windows and go on with my work. What a waste of clicks, mouse movement, energy and time, just because some dudes thought a Quick Launch-like feature was useless****.


You might wonder already what do those '*' sings mean. Well, sadly, that's what GNOME 3 / gnome-shell and Windows 7 have in common.

Gnome 3 was a shock for me. An empty desktop right after upgrade. No panels, no shortcuts*, no power indicators, no wicd indicator, no virtual desktops, no desktop icons, (I have a few dirs and docs there). Sounds like an Evil Empire decision, doesn't it?

Luckly I have been using Tilda as my always-ready console and I could fire up iceweasel from the console in order to understand where my panel disappeared.

I then realised that the upgrade brought me Network Manager, that app which wicd replaced. As a consequence, I had no working wlan since Network Manager made sure to mess up with the network manager I chose.

After looking through the documentation of Network Manager and realising I either had it set up to leave wlan0 alone or I didn't understood NM's documentation, I simply stopped the service, which let Wicd its job flawlessly.

The first thing I searched was Gnome 3 panel or something of that sort and I was confronted with the obvious option to appeal to the Forced Fallback Mode which was disabled. I figured I either had an old version, or Debian disabled this feature (hoping they provided an alternative). There was also the option to conform to this convoluted way of working** with Actions and such uselessness like that. I still wonder, what is the purpose of the Favourites bar on the left side, since it's accessible only after wasting a lot of mouse movement and time? For Joe's Pesci sake, I use focus under mouse just to avoid needless mouse and keyboard manipulation. Why? Why? WHY would I want every time I need to start or SWITCH to another application to move the mouse to the upper-left corner then take my hands off the mouse to type, move the mouse downwards or move across the whole width of the screen to get to my beloved virtual desktops and pick the app I want?

Making a long story short, after even trying XFCE4 (which for some unknown reason resets almost immediately my keyboard layout to the default layout with the Caps on Caps, instead of my preferred and set Ctrl on Caps - yes, it's global), I managed to find GNOME Shell Frippery** which made the experience better.

Later I found out that GNOME 3's file manager, Nautilus, has decided that an up on level button is useless, since the default is to use that uncopy-pastable button location bar instead of a sane text location bar. And it seems the GNOME developers decided this*** and I should conform to it.

To add insult to injury, those icons on my old panel are apparently useless**** and even in the fallback version I can't get them back. Or so the GNOME developers decided.

At some point this sunday, don't know how or why this change happened, producing sound was impossible. I know the problem is pulseaudio since when I kill the pulseaudio daemon from the console I can play audio. BTW, great timing, just when I needed sound the most, before releasing episode 32 of our podcast (yay, I reaslised that xfce just decided to reset my caps to be caps, after setting to ctrl a few minutes ago).

I know I praised pulseaudio when I first tried it, but failing to make it work out of the box or after some tinkering is a deal breaker for me, so I removed it. Now I find it that is a default in GNOME, yet all it manages to do is prevent audio from working. At least on my machine.

Other problems? Gnome Power Manager manages to hang and block my session, GNOME managed somehow to fail to start at some point. Yeah, and that sound problem which I didn't fix yet, didn't went away after removing all the pulseaudio packages which could be removed (e.g.: ryhtmbox depends on libpulse0, same do some other apps like audacity, so I couldn't remove all pulse related packages).

I got involved with Debian and GNU/Linux because it was tweakable and customisable, didn't use to force all sorts of option on me and now I find with its increasing popularity it becomes more and more like a product of a corporation which decides to change some things just to change and totally disregadring user experience and uses.

So, in the light of all of these problems I think it's time to probably consider trying KDE. Is it any good lately?

OK - so I read, a couple years back, the first book in the Newsflesh Trilogy by Mira Grant, before getting my Kindle - it was fantastic, and I wanted more, ... so, diligently I waited and then after getting my Kindle, I spotted that the second in the series was available for pre-order (yay!), so noting when it was due out, I made sure that a couple of days before the release of Deadline, I could read Feed again - having already owned it in paperback, I also diligently bought it a second time for the Kindle (knowing that I would be reading something else just before starting the voyage through Feed and then Deadline, and travelling with lots of paperbacks in my bag was just getting annoying...). In a few months time, the final part of the Newsflesh Trilogy comes out - and I await it with baited breath. I also note, that, currently it is only available for pre-orders in paperback - NOOOOOO! So, with that in mind, can everyone please go to the Amazon page for the paperback and click on the magic link that says you want to read it on the Kindle! Also, if someone can work out why the novellas are only available in audiobook format, and somehow makes them available in a nice printed format (well, kindle), that would be great! (One day I'll get round to re-enabling comments on here... one day... yes, one day!)

Our Dear Project Leader, Stefano Zacchiroli, regularly mentions the fact that there's an amount of Debian money available for hardware sponsoring of Debian developers, but it seems that not much people benefit from it. Each time I saw one of this reminder, I wonder if I should apply, and the anser is usually no. The fact is that I don't think any new laptop or desktop to do my Debian stuff, and the last time I bought a box (my x201s last summer) it was not really specifically for Debian tasks so I didn't dare to ask (not to mention the fact I bought it because I did have the money to do so). And I think this is mostly the problem. I might be wrong, but I think that most people which could benefit from this just don't dare asking or don't estimate themselves eligible for it. When I saw Ben Hutchings post, where the first thing he says is about how hardware is expensive, I thought hey, he should get some Debian money for buying new hardware: building kernel is really time consuming and having multiple powerful cores, more ram and fast disks/SSDs really helps . Turns out that Ben just didn't really want to spend too much money there, but the case still stands. We also see from time to time people saying they'll be offline for a while because of broken laptop or something like that. Once again, maybe those people wouldn't mind some help from the Debian project, and maybe they just don't think about asking, or they don't dare. So thinking about it a bit more, I think I wouldn't dare asking money for myself, but maybe I could dare asking money for other people (this is a bit like the flattr posts by Rapha l Hertzog, where he incited people to give money to projects he liked). If I'm not alone in this case, maybe those Debian developers who think some of their peers would benefit some hardware could drop them a mail with leader@ on copy, to propose just that. No need for huge publicity on that (in order to not embarass people), though the transparency rules still apply when it comes to Debian money.

Last year I shared my Debian related goals for 2011 . I tend to put more goals than what I can reasonably complete alone and this year was no exception. Let s have a look.

1. Translate my Debian book into English: PARTLY DONE
   It took more time than expected to prepare and to run the fundraising campaign but it has been successful and the translation is happening right now.
2. Finish multiarch support in dpkg: DONE BUT NOT ENTIRELY MERGED YET
   Yes, multiarch support was already in the pipe last year in January. I completed the development between January and April (it was sponsored by Linaro) and since then it has mostly been waiting on Guillem to review it, tweak it, and integrate it.
3. Make deb files use XZ compression by default: TRIED BUT ABANDONED
   After discussing the issue with Colin Watson and Joey Hess during debconf, I came to the conclusion that it was not really desirable at this point. The objections were that debian-installer was not ready for it and that it adds a new dependency on xz for debootstrap to work on non-Debian systems. I believe that the debian-installer side is no longer a problem since unxz is built in busybox-udeb (since version 1:1.19.3-2). For the other side, there s not much to do except ensuring that xz is portable to all the other OS we care about. DAK has been updated too (see #556407).
4. Be more reactive to review/merge dpkg patches: PARTLY DONE
   I don t think we had any patch that received zero input. We still have a backlog of patches, and the situation is far from ideal but the situation improved.
5. Implement the rolling distribution proposed as part of the CUT project and try to improve the release process: NOT DONE
   We had a BoF during debconf, we discussed it at length on debian-devel, but in the end we did nothing out of it. Except Josselin Mouette who wrote a proof of concept for his idea. For me testing is already what people are expecting from a rolling distribution. It s just a matter of documenting how to effectively use testing, and of some marketing by defining rolling as alias to testing.
6. Work more regularly on the developers-reference: PARTLY DONE
   I did contribute some new material to the document but not as much as I could have hoped. On the other hand, I have been rather reactive to ensure that sane patches got merged. We need more people writing new parts and updating the existing content.
7. Write a 10-lesson course called Smart Package Management : NOT DONE
8. Create an information product (most likely an ebook or an online training) and sell it on my blog: NOT DONE
   This was supposed to happen after the translation of the Debian Administrator s Handbook. Since the translation is not yet over, I did not start to work on this yet.
9. By the end of the year, have at least 1/3 of my time funded by donations and/or earnings of my information products: NOT REACHED
   My target was rather aggressive with 700 each month, and given that I did not manage to complete any information product, I m already very pleased to have achieved a mean amount of 204 of donations each month (min: 91 , max: 364 ). It s more than two times better than in 2010. Thank you! Note that those figures do not take into account the revenues of the fundraising of the Debian Administrator s Handbook since they will be used for its translation.

That makes quite a lot of red (for things that I did not achieve) on the other hand I completed projects that I did not foresee and did not plan. For instance improving dpkg-buildflags and then merging Kees Cook work on hardened build flags was an important step for Debian. This was waiting for so long already

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I moved 600km away from Madrid, I quit my job because with all the coming and going I was barely making any money, and in order to keep a healthy, active mind, I'll keep working for Debian. I also started occasionally helping kandinski with sysadmin stuff for Barrapunto (the Spanish SlashDot), also for love, and because of incredible timing.

We also now have a new cat (an orange tabby named named gato, not very original nor practical as it's our fifth cat in the household). We also now have a small garden the cats love, even in bad, evil rain. I also now have a bright new horizon where a vegetable garden, civil marriage, quitting smoking, and motherhood will be slowly making it into my life as the dust settles down.

Last, but not least, I'll try to get back in touch with all the people I lost contact with because of, you know me, another one of my falls through the rabbithole I call depression. I missed two Debconfs in a row, this time it was bad. But I found the way out and I am back. So hurry up and drop me a line before three years (that's when i believe the rabbithole will eat me again). At least now I understand the cycles. It still sucks, but helps feel in control. Or something.

Anyway, if you ever show up close to Seville, I am up for keysigning, beers and rl spammer harassing, as always.

I will be helping to represent the FSF at FOSDEM next month in Brussels. I'm speaking in the Legal Issues Devroom on Saturday 2012-02-04. The presentation is called "Is copyleft being framed?":

This short talk will address the following questions, to inspire discussion and contemplation about how we frame descriptions of the state of licensing in free software.

• Numbers are increasingly being cited to show that the use of copyleft licenses, specifically the GPL, is declining. What do these numbers actually show, who is propagating them, and why? What do or might other numbers show?
• Is the "percentage of free software projects which use copyleft licenses" a useful way to judge the success of copyleft? Does an increase in the percentage of projects using non-copyleft permissive licenses indicate a failure of copyleft?
• As a small related case study, what role have the licensing terms of popular mobile application stores played in this debate, and how have those terms changed the frame of the discussion?

Let me know if you'll be there too!

(This is not quite a Dear lazyweb post. If anything, it's Dear lazyweb, I've done my homework, now what? ) I'm looking for the ultimate distributed filesystem. Something that's simple to use, redundant, fault-tolerant, and still smart enough to avoid the more obvious performance chokepoints. Ideally, it should work for all of the following sets of files:

• Music files. They're currently stored on a plug computer at home and served over DAAP, but DAAP seems to become less and less of a priority for music players (I'll keep the music players suck rant for another post), and it has its inconveniences too. Ideally, the files should be integrated in the filesystem of my work computer, the one that serves as a media player in the living-room, the one I use for playing the backing tracks when I'm practising the drums, and the laptop I use when on the road too.
• Backups. My BackupPC currently runs on the plug computer at home, so backups of my remote servers are in a geographically distinct location; but backups of my home computers are not, and I'd like to change that without having to copy files around by hand. Backups do contain confidential data, so this adds a constraint on the filesystem.
• Bazaar repositories. I do have a script that pushes and pulls stuff across computers for the many repositories I use, but it's still awkward that I need to do that.
• Parts of my home directory, such as my browser preferences and bookmarks, or the database of the Hamster time tracking tool, or the working directories of stuff I do for clients, and so on. Again, each of those can be done with specific means (bookmarks synced to a server, CouchDB-like database, DVCS and regular commits, etc.), but wouldn't it be much simpler if there only was one file to begin with?

The requirements on the ultimate distributed filesystem (which I'll call UDFS for short, otherwise you'll get bored and go look at pictures of kittens) are as follows:

• Availability means redundancy: some of the storage nodes will be on dedicated servers in datacenters, others at home; I can imagine setting up the firewall so that the home computers are reachable from outside, but sometimes network links go down, and the home computers are far from being on 100% of the time.
• Availability/redundancy also means automated replication and rebalancing: if a node is added to the grid (or switched on), it should automatically get its share of the files so as to contribute to availability if another node goes down at a later time.
• Confidentiality: at the very least, network communications must be encrypted and authenticated; ideally, individual storage nodes wouldn't need to be able to access the stored data. If I store bits of my backups on a friend's server, I don't want to have to trust them not to look at the data; also, my friend may actually want to be unable to look at my data (to provide for deniability in case someone else wants to look at it).
• Performance: native disk performance may not be realistically reachable, but the system must be smart enough (or configurable enough) to store files on both sides of the ADSL link, for instance, so not all accesses need to go through the bottleneck.
• Integration with the system: I want a filesystem, not a storage system. All applications know how to navigate a mounted filesystem; very few will interface with an specific application designed to store and fetch chunks of data.
• Scalability would be nice, although my personal needs are still well below the terabyte range and I can't see myself using more than a dozen nodes or so.

Quite a few constraints, eh? I have a feeling they are not mutually incompatible though, so I had a look at several candidates. I started with Wikipedia, and I followed the links to Tahoe-LAFS, XtreemFS and Ceph. The following is my evaluation of these candidates based on much reading of docs and websites and wikis, some questioning on IRC, and very little testing.

• Availability/redundancy 1: all three candidates work on the net, and they all provide for data replication. XtreemFS seems to operate on a fall-back mode while the other two are more distributed (meaning there's no canonical node hosting any particular file). Tahoe uses erasure codes (files can be split across N shares, k of which are enough to reconstruct the whole file; the N/k ratio controls the amount of redundancy); it seems to require the introducer node to be always up, which introduces a single point of failure, but this node can be replaced with no loss of data if it fails (this just requires reconfiguring the storage nodes, which can probably be automated). Ceph can work with any number of meta-data servers, so redundancy is assured there (data itself can be replicated in a configurable way too).
• Availability/redundancy 2: either I'm a fool and I didn't find out about that, or none of the three candidates provides for automated rebalancing. Apparently Tahoe provides a way to repair files without enough redundancy, but that needs to be run manually on each file, rather than being systematic, and it's a kind of add-on to the system rather than being properly integrated. Ceph only does rebalancing of meta-data. XtreemFS seems to work a bit like RAID1 with spare disks, but details are scarce.
• Confidentiality: Tahoe wins, hands down. Neither network sniffers nor storage nodes can see the contents of the stored files. They can't even find out about their name or the directory structure. XtreemFS encrypts the data on the network (but it is still stored in cleartext on the nodes). Ceph doesn't even try.
• Performance: Ceph wins (or loses less, at any rate): it seems possible to configure a topology for the storage nodes, and to drive the storage location policy according to this topology; so I could define sets of nodes ( my servers in datacenters , my plug computer at home , my desktop and laptop computers , my friends' computers ) and decide that each file should be stored at least once on each set of nodes. Tahoe stores shares of files on a number of storage nodes chosed in kind of a round-robin way; read access uses the same round-robin system, which means that you will probably end up fetching a file at least partially over your slow link even when you could fetch it entirely from the local network. The XtreemFS website doesn't seem to acknowledge the possibility of the network being slow.
• Integration: Ceph and XtreemFS win: they're native filesystems. Tahoe is in the storage and retrieval system category; the FUSE layer is marked as experimental and not recommended, and the SFTP layer (which can be mounted as a filesystem with sshfs) has many documented drawbacks. Maybe a WebDAV frontend, combined with fusedav, would provide a working alternative, but it's not implemented yet.
• Scalability: all three candidates boast about scalability (in data size and in number of nodes). Ceph seems to require some configuration every time a new storage node is added. Tahoe seems much more dynamic: new nodes (storage or clients) just need to be told where the introducer node is, and then they merge into the grid seamlessly by being told about other nodes (a bit like Bittorrent, where clients learn about each other by asking the tracker).

The overall picture seems full of good things scattered across different solutions, but unfortunately none of the existing ones seems to address the whole problem; at least, not my whole problem. It would be good if each focused on one layer and did that layer well, but that seems not to be the case either, so they can't be combined to get the best of all worlds. It may be that I'm missing something, or that I failed to read some docs properly, or that I misunderstood the docs, or that the docs themselves are simply lacking; but my ideal UDFS currently doesn't seem to exist as a turn-key solution. However, the main pieces are available, and implementing the remaining parts may be doable. My humble idea of a way forward would be based on Tahoe-LAFS, with the following three changes:

• A configurable dispatch policy, so that administrators could define their own behaviour. The current Tahoe parts already turn files into a number of blobs that only need to be stored on various nodes, and the function that chooses which nodes seems to be reasonably self-contained, so it could maybe even be made pluggable, and an administrator could implement a storage policy that matches the constraints and the network topology. Ditto for the function that picks which nodes the data is read from (which, as far as I can tell, is the same; splitting could bring some benefits here).
• A working FUSE implementation, either on top of SFTP if the drawbacks can be fixed, on top of WebDAV if that gets implemented, or native to Tahoe if that can be done.
• Automatic rebalancing of data when new nodes are added or turned on, or when an intermittent network link comes up. The current script seems to be an afterthought; if it can be made more automated and more reliable, I'll be happy with that.

Also nice to have would be a way to work with multiple introducer nodes, but that seems to be in the works already. This would be pretty damn close to my UDFS; read/write performance would certainly be far from what can be obtained on native filesystems stored on local disks, but my use cases involve reasonably small files for which instant access is not compulsory, and the filesystem cache would probably absorb most of the access times. In case anyone is looking for ideas of things to do in their spare time, here are rough sketches of other possible UDFS implementations I thought of. These are wild ideas, and I'm not even sure they could be doable in practice:

• eCryptfs on top of Ceph. The file contents are still only accessible to those in possession of the adequate key, and replication/distribution is handled by Ceph. That could probably work; the main drawbacks I can see come from Ceph's administrative overhead and manual configuration.
• LUKS and a standard filesystem, on top of the part of Ceph that manages block devices (RADOS). I'm not sure this could be mounted simultaneously by several nodes, though.
• LUKS on top of Ceph's RADOS, and Lustre or GlusterFS on top of that? Am I even making sense?
• A kind of union filesystem with local caching, on top of Tahoe-LAFS. Say we take unionfs-fuse, and add local caching: if the requested file is already in cache, performance is near native; if not, we still get the advantages of Tahoe. I'm not sure how caching works with WebDAV, but once Tahoe gets a WebDAV frontend it might be a simple matter of adding a Squid cache between that and davfs.
• I even thought of building a filesystem on top of the Bittorrent protocol; redundancy would be obtained by ensuring that there are at least N distributed copies of a file among the peers. I gave up even before reaching the details phase, though, but maybe a variant of the idea could be workable.

Such is the state of my research so far. I would welcome feedback, pointers to things I neglected to read, corrections for things I misread or misunderstood, comments on the ideas and so on. I'll probably post an update if my search goes significantly forward. Update: I've already received two pieces of feedback, including a lengthy one with corrections about Tahoe-LAFS. For the sake of fairness, I'll solicit (and wait for) the same from the other candidates I looked at. I was also pointed at HekaFS, GlusterFS and git-annex, which I'll have to look at in more details. Other suggestions are still welcome, but the more I get, the more the full update will be delayed. Thanks already!

A LEGO MINDSTORMS NXT 2.0 recently arrived at our house. Of course it only comes with proprietary support for Windows/Mac, so I set out to see what FOSS support for the hardware I could find. I found nxt-python. It wasn t packaged, so I packaged it up and uploaded to Debian (from whence it came to Ubuntu). It s now in for the next release of both distributions (Wheezy/Precise). This is a bit different than the provided software (which compiles code, downloads it to the NXT, and then runs it untethered). For nxt-python the nxt needs to be connected to your computer via USB or bluetooth. It s a lot of fun and it s given me a chance to introduced our youngest child to the idea that there s more to computers than point and click. Currently user level access to the device doesn t work, it has to be accessed by root. Fixing that is on my TODO. I hope someone else out there has an NXT and enjoys this too. UPDATE: Added a udev rule and uploaded again, so anyone in plugdev can access the NXT brick.

I thought it was about time to get a faster machine for... well, mostly for compiling kernels faster, but I'm sure I will find other applications for it. I was originally intending to upgrade my laptop (Thinkpad T61, 1.8 GHz Core 2 Duo) but it seems that in the 3 years since I bought it second-hand laptop prices have not dropped in line with Moore's law. So instead I decided to upgrade (well, replace most of) a desktop PC. The last time I got a new desktop at home was in 2002. It has an Athlon XP, PATA drives and a huge CRT monitor. It has had some upgrades since then (DVD writer, more RAM, slightly faster CPU, replacement fan and PSU). Obviously it was time to replace motherboard, CPU and RAM. Not so obviously, the PSU needed changing again as modern CPUs apparently need more 12V electrons (?!). The DVD writer was salvageable via a USB adapter and its local HD is currently a laptop drive (the only spare SATA HD I had). The monitor is of course reusable, though the firmware setup program doesn't entirely agree with it. Windows Yes, I do sometimes run Windows. It's for games, and also seems to be needed for streaming video with stupid DRM. On the assumption that Windows is less likely to play nice with an existing installation, I tried installing it first. The firmware appear to allow me to boot the DVD in either BIOS or UEFI mode, so I selected the UEFI option. This worked so far as loading the initramfs (or whatever the Windows equivalent is) but then Windows was lacking a driver to access the DVD. This stumped me for a day or so until I realised I had plugged the drive into a USB 3 (XHCI) port. Apparently Windows 7 SP1 still doesn't include an XHCI driver in the installer (but neither does Debian 6.0.3 - we should fix that). The installation was mostly uneventful after this. The Windows installer includes a reasonably capable partition editor. Debian Installation of files was entirely uneventful. The installer correctly detected the GPT (GUID partition table) created by Windows. However, it was not able to install a boot loader. Currently it only includes support for the LILO and GRUB-PC boot loaders that run under BIOS. After much experimentation and cursing, I found instructions for installing Debian Squeeze on XServe 3.1 by Jan Peter Alexander Rajagukguk, which put me on the right track. It seems that the grub-install script for GRUB-EFI in squeeze (and maybe other parts of the package) doesn't actually work. However. JP's direction to build GRUB from source is no longer necessary. Here's what I did (minus the mis-steps):

1. Boot the installer in rescue mode and open a shell on the installed system:

   # # We start in dash, so switch to bash.
   # exec bash
   # mkdir -p /boot/efi
   # # Mount the EFI boot partition by UUID.
   # # It's probably called sda1 now, but is subject to change.
   # ls -l /dev/disk/by-uuid
   ...
   # echo >>/etc/fstab 'UUID=efi-boot-uuid /boot/efi vfat defaults 0 0'
   # mount /boot/efi
   # # Enable unstable sources, but use stable by default
   # echo >>/etc/apt/apt.conf 'APT::Default-Release "squeeze";'
   # echo >>/etc/apt/sources.list 'deb http://cdn.debian.net/debian/ sid main'
   # apt-get update
   ...
   # # Install unstable grub-efi-amd64
   # apt-get install -t unstable grub-efi-amd64
   ...
   # # Install GRUB to the EFI partition.  The '--removable' options
   # # inhibits setting EFI variables, which won't work because we booted
   # # through BIOS emulation.  Instead, it installs as the default boot
   # # loader.
   # grub-install --bootloader-id=GRUB --removable
   # # On the AMI/ASUS firmware, you cannot select a new bootloader
   # # directly but can invoke a 'shell'.  So I made GRUB the shell:
   # cp /boot/efi/boot/grub/grub.efi /boot/efi/shellx64.efi
   # exit
   

2. Reboot and select GRUB as the boot loader if necessary. In my case I had to enter the setup program and select 'EFI shell'. Debian should now boot from the hard drive.
3. Add a non-volatile boot option for GRUB (and make it the default):

   # apt-get install efibootmgr
   ...
   # modprobe efivars
   # efibootmgr -c -l '\efi\grub\grubx64.efi' -L GRUB
   

The bug report Simon McVittie reported in Debian bug #654876 that his laptop running Linux 3.0 or 3.1 would sometimes crash (panic) while idle. He initially suspected a driver bug, but the screen did not show any information about where the original fault occurred. However, using netconsole, he was able to capture a full log of the crash. This showed that a packet received through the wireless interface was being processed by IGMP, which then divided by zero. IGMP IGMP is part of the IPv4 protocol suite, supporting multicast routing. Every multicast address corresponds to a dynamic set of hosts, called a multicast group. Multicast routers can send query messages asking which hosts belong to which groups, and hosts using multicast report back at intervals. Routers can then limit forwarding of multicast packets to the interfaces where the group has members. More sophisticated switches can also snoop IGMP and use it to limit their multicast forwarding. There are unfortunately three different versions with semi-compatible message formats. In version 1, the maximum reporting interval (Max Response Time) is fixed as 10 seconds, but from version 2 it is specified in query messages. The Linux IGMP implementation supports all three versions. It distinguishes query messages as specified in RFC 3376 section 7.1: v3 messages are longer than v1 or v2; v2 messages have a non-zero Max Response Time whereas v1 messages always have zero. It is possible to force use of a specific protocol version, but normally if there are multiple multicast routers using different protocol versions it will respond according to the earliest protocol version in use so that all routers can understand its responses. Source and fix for the bug Linux 2.6.36 included two fixes to the version selection logic. Unfortunately, the second of these introduced the bug in question. While v2 query messages cannot possibly have zero Max Response Time (as that would make them v1), v3 query messages can. What this means is unspecified, but the Linux IGMP code previously treated it as the minimum valid value of 1/10 second. But in the case where a v3 query is received and a v2 query has also recently been received, this is no longer done. This results in a reporting interval of 0 seconds and a division by zero when deciding the initial random delay. The fix for this is pretty obvious. It is included in Linux 3.0.17, 3.1.9, 3.2.1, and the Debian package version 3.1.8-2. Security impact This is easily exploitable for denial of service within a local network. Linux does not check the destination address of IGMP queries, so it may also be possible to attack a target through its unicast address from several hops away. The attacker only needs to send a single IGMPv2 query followed by a single IGMPv3 query with zero Max Response Time. All systems running Linux 2.6.36 or later (up to the above fixed versions) with any active IPv4 multicast listeners (other than for the 'all hosts' address) are vulnerable.

The Israeli patent registrar have reverted previous ruling regarding patents on software and published a draft for the procedures to accept such patents. The procedures are open to public comments for the next 30 days. Two years ago the patent registrar have started to consider revising the the issue and got many position papers (e.g. Hamakor s papter). At the end he decided not to accept patents on software. De facto, at least one such patent (US patent 7,596,609) was accepted to be valid in Israel after that ruling. Now that the rulings is reverted, I guess will see many more software patents granted here. I wonder about the implications on the local software market hopefully it won t stagnate due to patent wars such as the ones we see every now and then in the US.
Filed under: Software Patents

Trying to debug problems with consumer-grade routers is notoriously difficult due to a lack of decent debugging information. It's quite hard to know what's going on without at least a few good error messages.

Here is how I made my OpenWRT-based Gargoyle router send its log messages to a network server running rsyslog.

Server ConfigurationGiven that the router (192.168.1.1) will be sending its log messages on UDP port 514, I started by opening that port in my firewall:

iptables -A INPUT -s 192.168.1.1 -p udp --dport 514 -j ACCEPT

Then I enabled the UDP module for rsyslog and redirected messages to a separate log file (so that it doesn't fill up /var/log/syslog) by putting the following (a modified version of these instructions) in /etc/rsyslog.d/10-gargoyle-router.conf:

$ModLoad imudp
$UDPServerRun 514
:fromhost-ip, isequal, "192.168.1.1" /var/log/gargoyle-router.log
& ~

The name of the file is important because this configuration snipet needs to be loaded before the directive which writes to /var/log/syslog for the discard statement (the "& ~" line) to work correctly.

Router ConfigurationFinally, I followed the instructions on the Gargoyle wiki to get the router to forward its log messages to my server (192.168.1.2).

After logging into the router via ssh, I ran the following commands:

uci set system.@system[0].log_ip=192.168.1.2
uci set system.@system[0].conloglevel=7
uci commit

before rebooting the router.


Now whenever I have to troubleshoot network problems, I can keep a terminal open on my server and get some visibility on what the router is doing:

tail -f /var/log/gargoyle-router.log

Maybe many people have missed this: Aptitude package manager is undergoing a revival. Two fellows, Daniel Hartwig and Manuel A. Fernandez Montecelo, started triaging bugs and preparing a possible new version. Daniel Burrows, who maintained it for years (and did a really good job in this, given the high exposure of aptitude, which happened to be the recommended package managers during a few years), has currently less free time for doing the work. So, this is really great to see people motivated in taking the job over. In case you want to help, please joing the "aptitude-devel" mailing list on lists.alioth.debian.org. There is an Alioth project but Daniel is currently the only administrator. I might ask for admin privileges so that I can validate new team members. Of course, I personnally can't do much in this (C++ programming, coding, ah ah ah...things that are black magic for me), except my usual help for i18n/l10n. But, at minimum, I can make noise about this effort to encourage the volunteers who commit themselves to revive the project. And, I can certainly help by sponsoring their work (none of them is DD as of now) even if I am not skilled enough to review everything. I don't want to see good work wasted because people insist on nitpicking each and every commit line before "approving" it (any idea what I'm talking about, here? :-)).

Security

Today I made available a 3.2.0 kernel for my KVM guest which has a bastardised version of the PID hiding patch configured:

• procfs: add hidepid= and gid= mount options
• bugfix - proc: fix null pointer deref in proc_pid_permission()

So now on my guest, as myself, I can only see this:

steve@steve:~$ ls -l /proc/   egrep ' [0-9]+$'
dr-xr-xr-x  7 steve users          0 Jan 13 17:22 15150
dr-xr-xr-x  7 steve users          0 Jan 13 17:29 15739
dr-xr-xr-x  7 steve users          0 Jan 13 17:29 15740
lrwxrwxrwx  1 root  root          64 Jan 13 17:20 self -> 15739

Running as root I see the full tree:

steve:~#  ls -l /proc/   egrep ' [0-9]+$'
total 0
dr-xr-xr-x  7 root        root                 0 Jan 13 17:20 1
dr-xr-xr-x  7 root        root                 0 Jan 13 17:20 1052
dr-xr-xr-x  7 root        root                 0 Jan 13 17:20 1086
dr-xr-xr-x  7 root        root                 0 Jan 13 17:20 1101
dr-xr-xr-x  7 root        root                 0 Jan 13 17:20 1104
dr-xr-xr-x  7 root        root                 0 Jan 13 17:21 1331
dr-xr-xr-x  7 pdnsd       proxy                0 Jan 13 17:21 14409
dr-xr-xr-x  7 root        root                 0 Jan 13 17:21 14519
..

This (obviously) affects output from top etc too. It is a neat feature which I think is worth having, but time will tell..

mod_ifier

A long time ago I put together an Apache module which allowed the evaluation of security rules against incoming HTTP requests. mod_ifier was largely ignored by the world. But this week it did receive a little attention. The recent rash of Hash Collision attacks inspired inspired a fork with parameter filtering. Neat.

Otherwise nothing too much to report - though I guess I didn't actually share the link to the RESTful file store I mentioned previously. Should you care you can find it here:

• http://sinatrastore.repository.steve.org.uk/

ObQuote: "I saw a man, he danced with his wife" - Chicago, Frank Sinatra

As seen on reddit: an old Bill Joy quote often banded about as part of the (largely synthetic) vi-vs.-emacs holy war starts as follows:

vi was written for a world that doesn't exist anymore

The context of that quote is:

I was trying to make it usable over a 300 baud modem. That's also the reason you have all these funny commands. It just barely worked to use a screen editor over a modem. It was just barely fast enough. 9600 baud is faster than you can read. 1200 baud is way slower. So the editor was optimized so that you could edit and feel productive when it was painting slower than you could think.

(source: the register). Furthermore:

unless you decide to get a satellite phone and use it to connect to the Net at 2400 baud, in which case you'll realize that the Net is not usable at 2400 baud.

You don't need anything as esoteric as a satellite phone: a cellular mobile phone will suffice. I've no idea what the effective/equivalent baud rate of GPRS is (or EDGE), but I have a new-found appreciation for vi's design goals having tried to run an SSH session over such a connection.

Steve McIntyre has been contributing to Debian since 1996, 2 years before I joined! But I quickly stumbled upon Steve: in 1999, he was struggling with getting his debian-cd script to produce 2 ISO images (it was the first time that Debian did no longer fit on a single CD), I helped him by rewriting debian-cd with a robust system to split packages on as many ISO images as required. I remember those times very well because Steve was very supportive of my efforts and it was a real pleasure to get this done. His friendly nature probably also explains why he got elected Debian Project Leader twice! Anyway, enough history, check out his interview to learn more about the great work he s doing nowadays. My questions are in bold, the rest is by Steve. Raphael: Who are you? Steve: I m a professional software engineer, 37, living in Cambridge (England) with my new wife Jo. I studied for the EIST degree at the University of Cambridge, then (like many people here, it seems) I just forgot to go home again afterwards and settled here. I spent more of my study time playing with Linux than working on my degree, so I guess I m lucky that it worked and I found a career in that area! Raphael: How did you start contributing to Debian? Steve: During my time in college, I started hacking on software in my free time, using Slackware as my first Linux distribution from the middle of 1994. After encountering more and more problems with Slackware, I was encouraged by a number of friends to make the jump over to Debian and in October 1996 I did. The installation process back then was much harder than anything people see today, but after a long weekend I finally had my Debian system up and running. I was already one of the main upstream developers for the Mikmod music player at that time, so that very same weekend I applied to be a DD so I could maintain it in Debian too. Back then, the NM process was much simpler: I just mailed a key to Bruce and he set me up with an account almost immediately! I then found that Joey Hess had beaten me to it and already packaged Mikmod. Grrr! Raphael: What s your biggest achievement within Debian? Steve: Without a doubt, my proudest achievement within Debian is being elected Project Leader for 2 years by the other developers. It s a great feeling to have earned the trust of your friends and peers, and also a great responsibility to go and help Debian where needed: talking to the press about Debian, assisting wherever problems crop up, etc. The DPL job is certainly a lot of hard work, and I have nothing but respect for anybody who volunteers for it.

It s a great feeling to have earned the trust of your friends and peers.

Elsewhere, I ve been leading the Debian CD team for years too, both doing most of the maintenance of the debian-cd package and producing and testing the regular installation CDs and DVDs that we ship to the world. Again, this is a time-consuming job but it needs doing and it s worthwhile. Raphael: You re currently employed by ARM. What are you working on and are they supportive of your Debian involvement? Steve: The situation within ARM is very interesting; I m employed in PDSW (Processor Division, SoftWare), a new group founded just a couple of years back to help improve the state of software on ARM. Most of the people in the group are working on Free Software at this stage (e.g. toolchains, browsers, Linux kernel), which is lovely. Some of the engineers have also been seconded into a new non-profit company Linaro, which is a collaboration between ARM and a number of other companies investing in core Linux software and tools for ARM-based CPUs. I m one of the ARM engineers in Linaro, and I m a Technical Architect in the Office of the CTO. My role includes looking at future projects for Linaro to help with (e.g. ARM servers), but for the last few months I ve been concentrating on the new armhf architecture in Debian, Ubuntu and elsewhere. armhf is a new architecture in Debian and Ubuntu terms, but it s not strictly a new type of hardware. Instead, it s a new ABI. We have two reasons for doing this work:

1. It targets the latest version of 32-bit ARM CPUs (v7) and makes better use of the hardware, for better performance. Compare targetting i686 instead of i386, for example. We ll still support the older armel port for the foreseeable future for users with older hardware that can t run armhf.
2. More importantly: we are standardising on the ABI / compiler options / hardware support for future users.

In the past, there has been a huge amount of specialisation (aka fragmentation) in the ARM Linux environment, and that worked OK for specialised devices that only ever ran the software shipped with them. ARM CPUs are now becoming more and more mainstream, so people will expect to be able to install generic software on their machines. That gives a requirement for a standard base platform, and armhf (arm-linux-gnueabihf in GNU triplet terms) is that standard that we are pushing in the community. Debian, Ubuntu, Fedora, Suse and others are all going to use this, making compatibility possible. I ve been working with a small team of people to make armhf happen, helping where needed: putting together build machines; patching Debian packages directly; discussing and fixing toolchain issues with Ubuntu folks; agreeing ABI specifications with people from Fedora; advising people from other distros bootstrapping their new ARM ports. ARM and Linaro are very supportive of this work, and it s been lovely being sponsored to work directly on Free Software like this. It s work that will directly benefit ARM and its partners (of course!), but it s also helping out more generally too: Debian QA work, cross-build support, bootstrapping efforts, multi-arch. More and more of the ARM market is driven by Free Software, and companies are acknowledging that. I should probably also mention that we re hiring ! Raphael: What are your plans for Debian Wheezy? Steve: There are three main tracks here. Obviously, I m interested in seeing armhf release with Wheezy. We ve just been added to Testing last weekend, so that s going well. We ve got over 90% of the archive built now, and we re mopping up the remaining issues. I m the primary maintainer of cdrkit at this point, but I d prefer to have it go away. Xorriso and the associated software in libisoburn is almost capable of replacing all the aging cdrtools-derived software that we have in Debian, The only missing feature that I m aware of is creating the HFS hybrid filesystems that we use for installations on Mac systems. I ve been talking with the upstream folks about this for some time already, and I m hoping we can finish this soon enough that we can get it into Wheezy. Finally, I ve got the ever-growing wishlist of things for debian-cd. We ve got the beginnings of an automated test suite that Mart n Ferrari has written, but it needs integrating and improving. I want to help get regular weekly/daily/release debian-live builds running on the main CD build machine. There s work needed if we want to make good installation media for the new multi-arch world, too. The Emdebian people are asking for help making CD images The list goes on Raphael: The ARM community seems to be very interested in multi-arch. Can you explain why? Steve: There are a number of reasons for ARM people to be interested in multi-arch; two really stand out for me:

• With the historical issues around the plethora of ARM ABIs in the wild, multi-arch will allow us to potentially support multiple ABIs cleanly on one system. That allows users to have (for example) an up-to-date system that makes the most of their current hardware, yet also run legacy programs that might use an older ABI. There s also a new 64-bit architecture coming (ARMv8) which will run older 32-bit software; again, multi-arch makes mixed installation of old and new software reasonable.
• ARM has traditionally been a common target for cross-compilation, and I d expect that to remain the case for a long time to come yet. For a lot of embedded developers, using a big fast i386/amd64 machine to compile is much faster than using a limited-power small ARM CPU. However, setting up sane cross-compilation environments has long been a bugbear for developers. Getting the toolchain and all the cross-architecture libraries to work together correctly can be like black magic. This is potentially the killer app for multi-arch: simply install the libraries for the target architecture directly on your development machine. Install a simple cross-gcc package and (maybe) qemu, and you re all set.

This is potentially the killer app for multi-arch: simply install the libraries for the target architecture [ ], install a simple cross-gcc package [ ] and you re all set.

Raphael: What s the biggest problem of Debian? Steve: For me, Debian s biggest problem has been the same for a long time: we are forever short of enough people to do the work that we re trying to do. That might sound like a weird thing to claim when Debian is one of the largest Free Software projects on the planet, but it s more a statement of just how huge our goals are. Many of the largest things in Debian are developed or controlled by very small teams working very hard, and there s always a risk of losing people due to burnout in those situations.

We are forever short of enough people to do the work that we re trying to do.

Some of the tasks that should be easy given our large membership (e.g. large-scale packaging transitions) can often instead take a very long time. We are fortunate to have more people wanting to join in Debian s work all the time, but we also need to be careful to keep on promoting what we re doing and recruiting new contributors, encouraging them to get more and more involved in core work. Debian gets ever bigger in terms of the size and the number of packages we distribute; we re not currently matching that growth rate elsewhere. Raphael: What motivates you to continue to contribute year after year? Steve: This one is much easier to answer! The thing that first attracted me to Debian was the fact that I could help to develop it, help to decide how things could and should be done within it. Instead of being forced to accept what some corporation decided I could do with my computer, I could change the software to suit my needs and preferences. Alongside that, I could get involved with a strong community of similar people all over the world, all with their own strong opinions about how software should work. I joined in and found it was great fun and very rewarding. That hasn t changed for me in the intervening years, and that s why I m still around. I work on Debian because it helps me to get the OS that I want to use. It seems that lots of people around the world find it useful too, and that s awesome. Raphael: Do you believe that Stefano Zacchiroli will be the first DPL who managed to stay 3 consecutive years on the seat? Would you like him to candidate again? Steve: To be honest, I would be very surprised if Zack stood again for DPL this year. He told me himself that he wasn t planning on it, and I can understand that decision. He s been an awesome DPL in my opinion, and I m glad that he took the job. But: it is also a very difficult and time-consuming task that would be enough to wear down anybody. If Zack does decide to stand again, I would support him 100%. But I know that we also have lots of other good people in Debian who would be ready to take up the challenge next. Raphael: Is there someone in Debian that you admire for their contributions? Steve: There are lots of people I admire in Debian, so many so that I almost don t want to list individuals here for fear of missing people out. But Bdale Garbee has been an inspiration to many of us, for many years. He s technically excellent, a great friend to many of us, an endless source of sage advice and (last but not least) he has some wonderful stories to tell about his experiences over the years. On top of that, he s just cool. Christian Perrier is another exceptional developer, in my eyes he s great at co-ordinating people in translations, working tirelessly to make this very important part of Debian work better and better with every release. He s also a really nice guy and we all love him. I also have to mention Joey Hess here, whether he likes it or not. *grin* He s been responsible for so many good things in Debian over the years, even if he did steal my first package Finally, the teams of people who make sure that Debian is always working: the security team and DSA. The rest of us can choose to take time off from Debian to go and do other things, but these people need to cover things every day. That s a major responsibility, and I salute them for taking on that challenge.

---

Thank you to Steve for the time spent answering my questions. I hope you enjoyed reading his answers as I did. Note that you can find older interviews on http://wiki.debian.org/PeopleBehindDebian.

Subscribe to my newsletter to get my monthly summary of the Debian/Ubuntu news and to not miss further interviews. You can also follow along on Identi.ca, Google+, Twitter and Facebook.

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First phpMyAdmin's alpha release for 3.5 is out for some time and it's best time to start translating if you want to be on time for final release. For information about translating, check our website, in short you can translate either offline (get file from Git, translate and post it to translations tracker) or use online translation system available here: https://l10n.cihar.com/projects/phpmyadmin/ As you can see in the summary, there is lot of new or changed strings, many of the new ones coming from advisor. I suggest you to keep these as last to translate as there is quite lot of them and it is more important to have translated rest of application. The advisor messages are placed at the end of po file. I believe we can reach good amount of complete translations by final release with your contributions! PS: You can expect me again to publish translations stats on this blog as we're heading to release.

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