Search Results: "Jonathan Carter"

29 January 2013

Jonathan Carter: Ubuntu Developer Summit for 13.04 (Raring)

The War on Time Whoosh! I ve been incredibly quiet on my blog for the last 2-3 months. It s been a crazy time but I ll catch up and explain everything over the next few entries. Firstly, I d like to get out a few details about the last Ubuntu Developer Summit that took place in Copenhagen, Denmark in October. I m usually really good at getting my blog post out by the end of UDS or a day or two after, but this time it just flew by so incredibly fast for me that I couldn t keep up. It was a bit shorter than usual at 4 days, as apposed to the usual 5. The reason I heard for that was that people commented in previous post-UDS surveys that 5 days were too long, which is especially understandable for Canonical staff who are often in sprints (away from home) for the week before the UDS as well. I think the shorter period works well, it might need a bit more fine-tuning, I think the summary session at the end wasn t that useful because, like me, there wasn t enough time for people to process the vast amount of data generated during UDS and give nice summaries on it. Overall, it was a great get-together of people who care about Ubuntu and also many areas of interest outside of Ubuntu. Copenhagen, Denmark I didn t take many photos this UDS, my camera is broken and only takes blurry pics (not my fault I swear!). So I just ended up taking a few pictures with my phone. Go tag yourself on Google+ if you were there. One of the first interesting things I saw when arriving in Copenhagen was the hotel we stayed in. The origami-like design reminded me of the design of the Quantal Quetzel logo that is used for the current stable Ubuntu release. 2012-10-28_05-50-14_21 quantal The Road ahead for Edubuntu to 14.04 and beyond St phane previously posted about the vision we share for Edubuntu 14.04 and beyond, this was what was mostly discussed during UDS and how we ll approach those goals for the 13.04 release. This release will mostly focus on the Edubuntu Server aspect. If everything works out, you will be able to use the standard Edubuntu DVD to also install an Edubuntu Server system that will act as a Linux container host as well as an Active Directory compatible directory server using Samba 4. The catch with Samba 4 is that it doesn t have many administration tools for Linux yet. St phane has started work on a web interface for Edubuntu server that looks quite nice already. I m supposed to do some CSS work on it, but I have to say it looks really nice already, it s based on the MAAS service theme and St phane did some colour changes and fixes on it already. edu-server-account edu-server-password From the Edubuntu installer, you ll be able to choose whether this machine should act as a domain server, or whether you would like to join an existing domain. Since Edubuntu Server is highly compatible with Microsoft Active Directory, the installer will connect to it regardless of whether it s a Windows Domain or Edubuntu Domain. This should make it really easy for administrators in schools with mixed environments and where complete infrastructure migrations are planned. Authentication Options Choosing machine role You will be able to connect to the same domain whether you re using Edubuntu on thin clients, desktops or tablets and everything is controllable using the Epoptes administration tool. Many people are asking whether this is planned for Ubuntu / Ubuntu Server as well, since this could be incredibly useful in other organisations who have a domain infrastructure. It s currently meant to be easily rebrandable and the aim is to have it available as a general solution for Ubuntu once all the pieces work together. Empowering Ubuntu Flavours This cycle, Ubuntu is making some changes to the release schedule. One of the biggest changes made this cycle is that the alpha and beta releases are being dropped for the main Ubunut product. This session was about establishing how much divergence and changes the Ubuntu Flavours (Ubuntu Studio, Mythbuntu, Kubuntu, Lubuntu and Edubuntu) could have from the main release cycle. Edubuntu and Kubuntu decided to be a bit more conservative and maintain the snapshot releases. For Edubuntu it has certainly helped so far in identifying and finding some early bugs and I m already glad that we did that. Mythbuntu is also a notable exception since it will now only do LTS releases. We re tempted to change Edubuntu s official policy that the LTS releases are the main releases and treat the releases in between more like technology previews for the next LTS. It s already not such a far stretch from the truth, but we ll need to properly review and communicate that at some point. Valve at UDS and Steam for Linux One of the first plenaries was from Valve where Drew Bliss talked about Steam on Linux. Steam is one of the most popular publishing and distribution systems for games and up until recently it has only been available on Windows and Mac. Valve (the company behind Steam and many popular games such as Half Life and Portal) are actively working on porting games to run natively on Linux as well. Some people have asked me what I think about it, since the system is essentially using a free software platform to promote a lot of non-free software. My views on this is pretty simple, I think it s an overwhelmingly good thing for Linux desktop adoption and it s been proven to be a good thing for people who don t even play games. Since the announcement from Valve, Nvidia has already doubled perfomance in many cases for its Linux drivers. AMD, who have been slacking on Linux support the last few years have beefed up their support drastically with the announcement of new drivers that were released earlier this month. This new collection of AMD drivers also adds support for a range of cards where the drivers were completely discontinued, giving new life to many older laptops and machines which would be destined for the dumpster otherwise. This benefits not only gamers, but everyone from an average office worker who wants snappy office suite performance and fast web browsing to designers who work with graphics, videos and computer aided design. Also, it means that many home users who prefer Linux-based systems would no longer need to dual-boot to Windows or OS X for their games. While Steam will actively be promoting non-free software, it more than makes up for that by the enablement it does for the free software eco-system. I think anyone who disagrees with that is somewhat of a purist and should be more willing to make compromises in order to make progress. Ubuntu Release Changes Last week, there was a lot of media noise stating that Ubuntu will no longer do releases and will become a rolling release except for the LTS releases. This is certainly not the case, at least not any time soon. One meme that I ve noticed increasingly over the last UDSs was that there s an increasing desire to improve the LTS releases and using the usual Ubuntu releases more and more for experimentation purposes. I think there s more and more consensus that the current 6 month cycle isn t really optimal and that there must be a better way to get Ubuntu to the masses, it s just the details of what the better way is that leaves a lot to be figured out. There s a desire between developers to provide better support (better SRUs and backports) for the LTS releases to make it easier for people to stick with it and still have access to new features and hardware support. Having less versions between LTS releases will certainly make that easier. In my opinion it will probably take at least another 2 cycles worth of looking at all the factors from different angles and getting feedback from all the stakeholders before a good plan will have formed for the future of Ubuntu releases. I m glad to see that there is so much enthusiastic discussion around this and I m eager to see how Ubuntu s releases will continue to evolve. Lightning Talks Lightning talks are a lot like punk-rock songs. When it s good, it s really, really amazingly good and fun. When it s bad, at least it will be over soon :) Unfortunately, since it s been a few months since the UDS, I can t remember all the details of the lightning talks, but one thing that I find worth mentioning is that they re not just awesome for the topic they aim to produce (for example, the one lightning talks session I attended was on the topic of Tests in your software ), but since they are more demo-like than presentation-like, you get to learn a lot of neat tricks and cool things that you didn t know before. Every few minutes someone would do something and I d hear someone say something like Awesome! I didn t know you could do that with apt-daemon! . It s fun and educational and I hope lightning talks will continue to be a tradition at future UDSs. Social Stefano Rivera (fellow MOTU, Debianista, Capetonian, Clugger) wins the prize for person I ve seen in the most countries in one year. In 2012, I saw him in Cape Town for Scaleconf, Managua during Debconf, Oakland for a previous UDS and Copenhagen for this UDS. Sometimes when I look at silly little statistics like that I realise what a great adventure the year was! Between the meet n greet, an evening of lightning talks and the closing party (which was viking themed and pretty awesome) there was just one free evening left. I used it to gather with the Debian folk who were at UDS. It was great to see how many Debian people were attending, I think we had around a dozen or so people at the dinner and there were even more who couldn t make it since they work for Canonical or Linaro and had to attend team dinners the same evening. It was as usual, great to put some more faces to names and get to know some people better. It was also great to have a UDS with many strong technical community folk present who is willing to engage in discussion. There were still a few people who felt missing but it was less than at some previous UDSs. I also discovered my face on a few puzzles! They were a *great* idea, I saw a few people come and go to work on them during the week, they seem to have acted as good menial activities for people to fix their brains when they got fried during sessions :) 2012-10-31_14-32-28_374 Overall, this was a good and punchy UDS. I ll probably not make the next one in Oakland due to many changes in my life currently taking place (although I will remotely participate), but will probably make the one later this year, especially if it s in Europe. I ll also make a point of live-blogging a bit more, it s just so hard remembering all the details a few months after the fact. Thanks to everyone who contributed their piece in making it a great week!

10 October 2012

Jonathan Carter: LTSP By The Sea 2012


Last weekend I was in Southwest Harbour, Maine again for the annual LTSP hackfest (called By The Sea). It s a fun and productive event and as always it s been good catching up with LTSP folk, even though we were missing Oliver, Alkis and Vagrant. Here is a summary of what I can recall from the discussions of the weekend Recent Happenings in LTSP Going Forward
  • Libpamssh - This has been ongoing work in the LTSP project that will allow you to authenticate against another machine using SSH with local PAM. This will make it somewhat trivial to adapt LightDM (Light Display Manager) as a remote login manager and we can then do away with LDM (LTSP Display Manager) which currently has several big limitations. Scott Balneaves and St phane Graber made big progress on this over the weekend and it s close to an initial release.
  • New LTSP Cluster Control Center - Simon Poirier has been working on a new LTSP Cluster Control Center, the old one has been rusting away and other attempts at rewriting it didn t quite work out. He did a demonstration of the proof-of-concept code and it s looking quite nice already.
  • Squashed Bugs - Marc Gari py took some time to squash some bugs: LP: #996533, LP: #1048689 and LP: #1062947
  • Documentation - I m taking it upon myself to fix some problems we have with documentation. The lts.conf documentation is incomplete and difficult to maintain, so I will be going through the client/server code and tag all the possible settings that there are so that we can auto-generate documentation from it. David Trask will be helping out there and will be writing some nice descriptions for the config settings.
  • LTSP 6.0 and the Future of LTSP - There was a good opening discussion about the future of LTSP. The combination of all the recent partial rewrites that Alkis has been doing combined with the deprecation of LDM will culminate in what will be called LTSP 6.0. There was also some interest in having an LTSP standalone distribution again (that can be installed on none-integrated distributions) and things like an LTSP live client disc. We were also wondering about the future of pure thin clients, many upstreams are writing software that aren t at all thin client friendly (Clutter-based software like Gnome Shell and Totem, Unity, etc) and at the same time, thin client hardware is becoming increasingly powerful. It s possible that there may be a focus on making diskless fat clients working even better with LTSP and make it easier to use remote-apps for running only certain applications the application servers. We re also quite interested in projects like FreeRDP for users who would still require pure thin clients.
Social It was great seeing everyone again. I first started using LTSP around 9 years ago and never imagined back then that I d get to meet the people behind it. Ron Colcernian sourced us some really cool LTSP tops that you can see us wearing in the group photo. I hope to get to BTS again next year!

29 September 2012

Jonathan Carter: LLXC: My little python3-lxc based project


My foray into the world of LXC and RLXC A few months ago, I started trying out LXC (Linux Containers). Before that I used to use OpenVZ, which is an older and more mature contextualization implementation. I was pleased with how well LXC worked and started replacing my personal OpenVZ hosts with LXC. It worked great, but it had a few quirks. While LXC itself works well, the user scripts that ship with it has some space for improvement. The lxc-list command lists anything that s a directory in /var/lib/lxc, so if you have a lost+found directory, it will list it as a container (This has since been fixed upstream). Also, in some cases it would list containers twice or not at all. I was a bit annoyed with that, since OpenVZ s vzlist tool prints out a nice table of your containers along with their IP addresses and other information. Since it s very trivial to implement what I want in a shell script, I went ahead and did just that and called it RLXC. I also missed the vzctl exec <containername> command to execute commands in containers and vzctl enter <containername> to gain a shell inside the container, so I added some more functionality to it so that I could configure ssh keys for these containers and use rlxc enter and rlxc exec like I used to do with the OpenVZ tools, but by using SSH. I also realised that there are others too who wanted similar improvements in the LXC scripts and decided to continue improving RLXC and making it public. Enter LLXC I spoke to St phane about my ideas at the time and he introduced me to python3-lxc that he introduced on his blog yesterday. It provides Python bindings for liblxc, so I took the advantage of that and mostly re-implemented RLXC in Python and called it LLXC. The name doesn t particularly mean anything, I m open to suggestions for what to call it, if anyone cares. Here are some screenshots that explains some of it better than I could do in words: How to get it As St phane mentioned in the python3-lxc blog entry, the API hasn t yet been finalized and llxc itself is in an early state and many changes are planned, so it s definitely not meant for production use yet, but since we believe in release early, release often in the free software community, here goes Currently, llxc.py itself is *very* Ubuntu specific and its only been tested on Ubuntu 12.04, but that will be fixed once more of its kinks have been ironed out. Some people are also working on getting python3-lxc on other distributions, which will help a lot. The llxc.py script itself is hosted on Github: https://github.com/highvoltage/llxc For python3-lxc and friends, you need to enable St phane s experimental PPA: https://launchpad.net/~stgraber/+archive/experimental You will then need to install the following packages: lxc, python3-lxc, python3-crypto, lvm, btrfs-tools To generate the ssh keys used for ssh interaction between the containers, you need to run llxc gensshkeys . The enter and exec commands also rely on your containers being in dns or in your /etc/hosts file, at least for now, which you may have to configure manually. The Future There is a lot that I m planning to add, mostly to scratch my own itches. These include: I ll have some packaging for this available soon and work on making more things work right out of the box, updates will follow. Also, feedback and patches are very welcome!

5 September 2012

Jonathan Carter: Shello


If there s one thing that I ve had missing in my life for way too long, it s hacking on small silly stupid amusing little things. When I was young I used to write dozens of little pointless programs a week and forget about them, only to found them a few months later and be incredibly amused by them. This afternoon I noticed that one of my machines didn t have my default .bashrc loaded, which colourises (or colorizes for Americans or colourizes for Canadians) my shell so that I know on which machine I am so that I don t accidentally do something silly like reboot the wrong host. One problem I ve had with this is that there are limited colours available that makes sense to use for a shell prompt. Right as I was thinking this, I was looking at my Byobu screen sessions and thinking Hmm! I like those logos, maybe I could use them in my shell! . So in just a few minutes I had a little script to help you configure those for your shell. Here is a screenshot of the shell logos in action. On my laptop I use a red background when I have a root shell: This is what the shello script looks like that sets it up: I might get bored by seeing it soon and get rid of it, but at least I had a little fun with it. If you d like to try it out, then you can get the script right here: https://github.com/highvoltage/shello It doesn t do anything like validating input yet, I d also like to add something that creates some kind of a checksum of your hostname and choose a unicode character based on that. Maybe I ll finish it up this weekend, or maybe I ll have new things to write about!

24 August 2012

Jonathan Carter: Wheezy Theme Updates


Joy Theme When the Joy theme was picked as the chosen theme for Debian 7.0 (Wheezy), I wanted to do what I could to get as much of it in the archive as possible before the freeze that occurred in June. I ve been working with Paul Tagliamonte and Vagrant Cascadian and I m glad that it resulted in some nice things! The Joy theme is modest and beautiful and I think Debian 7.0 is going to be one of the best looking Debian releases so far. Joy Plymouth Theme Plymouth is the part that provides the boot splash. It also takes care of a few other things, like showing prompts and progress indicators for filesystem checks, password prompts for encrypted devices and more so that the splash doesn t need to exit to show those. It s very scriptable, The installers for the Genesi Efika range of devices even use it for it s front-end. I needed to start with a Plymouth theme where I knew the prompts for all the things that happen during boot was at least more or less implemented, so I started off with one that I know works well, the Edubuntu one. So, fun fact: Debian 7.0 s Plymouth theme is actually based on the Edubuntu one. I had to play with the colours a bit to get it right, Edubuntu has a light background so I had to invert contrast for things like the input box, but I think it came out nicely. Splashy isn t in the archives anymore and it s not widely used anymore, so I cleaned it up from the desktop-base package so that there s less clutter shipped with it. Joy LTSP/LDM Theme This screenshot actually looks a bit uglier than it should because I took it on a VM that doesn t have 24bit colour, but we re looking into what we can do to make it look better on 16bit colour as well. During Debconf in Nigaragua, Vagrant and I worked on getting the LDM theme in shape. I have already done what I thought was most of the work by the time Debconf started, but it turns out there was a lot more to it to do it properly. We managed to get rid of the gtk2-engines-murrine dependency, which in itself is quite tiny, but it s a bit backwards in that it depends on the whole rest of the murrine-themes which brings in too much. We took the time to get the dependencies/recommends/etc right and to make it the default theme in Debian without messing it up for any Debian derivatives. It all came together and now when you install LTSP on Debian, you get the Joy theme by default! I m really glad about that because I didn t get the Spacefun LDM theme done in time for the Squeeze release. Enjoy!

14 July 2012

Jonathan Carter: Debconf 12 Managua, Nicaragua


It s the last day of Debconf 12 in Managua, it s the first ever Decbonf I ve attended and it has been just awesome.

There s so much I could talk about and it would take forever to put down, but here s a few highlights for me:
  • My first time in Nicaragua and also Central America! First time I ve ever seen a vulcano!
  • The Bits from the DPL talk was great, Zack pretty much hit several nails on the head of why I love the Debian project so much
  • The Debian Cheese and Wine party was off the wall, the food and the drinks were awesome and it was a lot of fun
  • I ve been attending some of the Debconf organising sessions, I was considering getting a few people together so that we could put in a bit for Sherbrooke for 2016, but then I learned that a bunch of people are already getting together to put a bid together for Montr al in 2014, so I ll get involved with that instead. Stefano and I have also been talking about a hypothetical Debconf in 2018 or 2020 in Cape Town or Stellenbosch. As much as we want a Debconf in Africa, neither of us will have time to organise a team for that in the short term. I m hoping that being involved in the Montr al bid (and hopefully an event) will give me good experience for the Cape Town one.
  • The day trip in the middle of the week was great. I just spent the whole day lying in a hammock, drinking beer and staring at the ocean. I think I needed that.
  • The Debian key signing party was good, I got my key signed by more than 20 Debian contributors this week.
  • The sessions and BoFs were great. I learned a lot about the Debian project this week and filled up a few gaps in my knowledge.
  • I got involved with the video team and played camera man for a few sessions for the live video feeds. It was surprisingly fun. I took some photos too during the week but my camera is really awful, I need to get a new one by the next Debconf.
  • The people of Nicaragua are awesome. Everyone here is so friendly and helpful, it turned
  • There s probably too much other things to mention and I ll never get a blog entry out if I even try, but thanks to everyone who made this Debconf possible, even Pollito.

24 June 2012

Paul Tagliamonte: debian-desktop/7.0.0~exp2 in experimental

Mirroring my post to debian-desktop here:
Howdy, -desktop,
Hopefully we can contain the flame to the other thread.
desktop-base/7.0.0~exp2 has been accepted into experimental, for testing
by y'all (and generally interested folks) for feedback and testing
before pushing to unstable.
I urge y'all to give it a try and provide feedback on issues that you
may run into.
You can overlay experimental on any unstable install, and install
desktop-base by running:
    $ sudo apt-get -t experimental install desktop-base
For more information on using experimental, check out the wiki[1].
If you would care to test out the plymouth bootsplash, here's the short
version of how to get it running:
 1) Install plymouth via apt ($ sudo apt-get install plymouth)
 2) Set the theme to use  joy' ($ sudo /usr/sbin/plymouth-set-default-theme joy)
 3) Edit the file /etc/default/grub, and add
    "splash" to GRUB_CMDLINE_LINUX_DEFAULT
 4) update your initramfs ($ sudo update-initramfs -u)
Here's the full list of changes from the version in unstable:
    desktop-base (7.0.0~exp2) experimental; urgency=low
      * Remove GConf defaults, they are not used anymore.
      * Remove the GDM3 settings, since the configuration format for GDM
        change again, yay.
      * Add a dconf file for the new-style GDM3 configuration.
      * Add a XML file describing the available resolutions for the
        background (for use with GNOME).
      * postinst: use a higher priority for the 1920x1080 background.
      * Cleanup postinst/prerm/postrm.
      * Add a new alternative: desktop-background.xml.
      * Use it from the gsettings override.
      * Reload gdm3 after installation/removal.
      * Drop old libgnome2-common hack.
      * Clean up an alternative that is no longer available.
     -- Josselin Mouette <joss@debian.org>  Sat, 23 Jun 2012 23:28:15 +0200
    desktop-base (7.0.0~exp1) experimental; urgency=low
      [ Paul Tagliamonte ]
      * Adding myself as a maintainer
      * We've got a new theme --  joy' by Adrien Aubourg. Thanks, Adrien!
         - Theme added to backgrounds.
         - Theme added for Grub
         - Background changed for GDM3
         - Theme added for KDM & changed that to default.
         - Theme added for ksplash & changed to default.
      * Standards bump to 3.9.3
      * Pre-Dependency added for dpkg (>= 1.15.7.2~), since we use dpkg helpers
        in our preinst.
      * Add in Jonathan Carter's Plymouth theme.
      [ Jonathan Carter ]
      * Remove splashy theme since it's no longer available in archives
      [ Yves-Alexis Perez ]
      * Install emblem in the correct folder.
     -- Paul Tagliamonte <paultag@ubuntu.com>  Sat, 23 Jun 2012 13:00:47 +0200
I thank all of you dearly for putting up with this,
  Paul
[1]: http://wiki.debian.org/DebianExperimental

22 May 2007

Wouter Verhelst: VT4

In response to my Battlestar Galactica post of yesterday, Jonathan Carter wrote:
I just switched to VT4 and all I got was a login prompt :/
Grin. Obviously I didn't mean that VT4.

18 April 2006

Uwe Hermann: Debian packages release names

The "I'm bored" release.

nice -n 19 find /usr/share/doc -name changelog.Debian.gz -exec zgrep "\* The .* [Rr]elease" \; sort uniq bogosort -n head -40
* The "Crack-smoking Squirrel" release.
* The "I should not have got out of bed yesterday" release
* The "Wohoo-we-are-going-to-main" release.
* The "And I thought IE had security bugs!" release.
* The "First snow in Finland" release.
* The "please buy me a brain" release
* The "I speak better English than this villian Bush" release.
* The "Brief Return From The Hell" release.
* The "Stoned Monkey" release.
* The "Let's do it cleaner" release.
* The "Fuck Me Harder" release.
* The "All or Nothing" release
* The "What's my name? Say my name, bitch!" release.
* The "next time I will buy myself a powerpc" release.
* The "I'm in such a hurry" release!
* The "I *hate* when that happens" release.
* The 'DOH!' release.
* The "laptop envy (damn tbm for having a nicer one than me)" release.
* The "Drunken Iceweasel" release.
* The "Follow the white rabbit" Release.
* The "someone should take my compiler away from me" release
* The "Ooops, I did it again" release
* The "Argh-I-took-the-wrong-version" release.
* The "Friday before Christmas" Release :-)
* The 'Yes, I need more sleep, and also to test my releases' release.
* The "you can't get sunburn at Finland" release.
* The "Chainsaw Psycho" release.
* The "Son of Drunken Iceweasel" release.
* The "Perl Sucks" release.
* The "I fucking hate libtool" release.
* The 'No, I don't use CVS' release.
* The "Throwing stuff away like mad and seeing if it still builds" release.
* The "This Space Intentionally Left Blank" Release
* The "From now on all of my world-killing weapons will be kept a TOTAL SECRET!" release.
* The "Lesbian Seagull" release.
* The "Oh my God, they killed Python, you bastards!" release.
* The "Evil Bitch Monster of Death" release.
* The "Pain as bright as steel" release.
* The "I've been hiding under a rock for two weeks" release.
* The "Suddenly the Dungeon collapses!! - You die..." release
I didn't bother to run it on the whole Debian archive on one of the Debian developer machines, as that would have probably pissed off some admins... (via Jonathan Carter)

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