Search Results: "Daniel Lange"

Youtube has a really nice RSS feature that is extremely well hidden. If you postfix a Channel ID to

https://www.youtube.com/feeds/videos.xml?channel_id=<id goes here>

you get a really nice Atom 1.0 (~RSS) feed for your feedreader. Unfortunately the Channel ID is hard to find while you are navigating Youtube with usernames in the URL. E.g. https://www.youtube.com/c/TED is TED's channel, full of interesting and worth-to-watch content (and some assorted horse toppings, of course). But you have to read a lot of ugly HTML / JSON in that page to find and combine https://www.youtube.com/feeds/videos.xml?channel_id=UCAuUUnT6oDeKwE6v1NGQxug which is the related RSS feed. Jeff Keeling wrote a simple Youtube RSS Extractor that does well if you have a ../playlist?... or a .../channel/... URL but it will (currently) fail on user name channels or Youtube landing pages. So how do we get the Channel ID for a Youtube user we are interested to follow? Youtube has a great API but that is gated by API keys even for the most simple calls (that came only with v3 of the API but the previous version is depreciated since 2015)¹:

dl@laptop:~$ curl 'https://www.googleapis.com/youtube/v3/channels?part=contentDetails&forUsername=DebConfVideos'

"error":
"code": 403,
"message": "The request is missing a valid API key.",
"errors": [

"message": "The request is missing a valid API key.",
"domain": "global",
"reason": "forbidden"

],
"status": "PERMISSION_DENIED"

Luckily we can throw the same (example) user name DebConfVideos at curl and grep:

dl@laptop:~$ curl -s "https://www.youtube.com/c/DebConfVideos/videos" grep -Po '"channelId":".+?"'
"channelId":"UC7SbfAPZf8SMvAxp8t51qtQ"

So https://www.youtube.com/feeds/videos.xml?channel_id=UC7SbfAPZf8SMvAxp8t51qtQ is the RSS feed for DebConfVideos. We can use individual Youtube video URLs as well. With the hack above, it'll work to find us the Chanel ID from a Youtube video URL: Working around the Youtube API restrictions to still make use of their RSS feed

Working around the Youtube API restrictions to still make use of their RSS feed

Now, some user pages may have multiple valid RSS feeds because they contain multiple channels. Remember the TED page from above? Well run:

dl@laptop:~$ curl -s "https://www.youtube.com/c/TED" grep -Po '"channelId":".+?"' cut -d \" -f 4 while read -r YTID ; do echo -n "Youtube-ID: $YTID " ; curl -s "https://www.youtube.com/feeds/videos.xml?channel_id=$YTID" grep -m 1 -P -o "(?<=<title>).+(?=</title>)" ; done

This will iterate through the Channel IDs found and show you the titles. That way you can assess which one you want to add to your feedreader. screenshot of the above

You probably want the last Channel ID listed above, the non-selective "TED" one. And that's the one from the example above. Update 02.06.2022: smpl wrote in and has the much better solution for the most frequent use cases:

You can also use get a feed directly with a username:
https://www.youtube.com/feeds/videos.xml?user=<username>
The one I use most is the one for playlists (if creators remember to
use them).
https://www.youtube.com/feeds/videos.xml?playlist_id=<playlist id>

For the common case you don't even need the channel ID that way. But it is also conveniently given in a <yt:channelId> tag (or the topmost <id> tag) within the Atom XML document. Thanks, smpl!

Actually it is even more complicated as some channels, like our DebConfVideos example, will only get you an incomplete result, cf. this StackOverflow entry. I.e. the forUsername iterator may not even work and the "best practice" seems to be mucking around with the search call.

The company got me a Chromebook for times when I want to ignore email and not get dragged into code reviews but still be available on IRC and chat. Nifty devices at great price points. I really like them. Chromebook logo

These things are meant to be very consumer-style end-user devices. You log in with your Google account and everything works. Until it doesn't. Just setting it up caused the first issue: I was always thrown back to a black screen and then another login-screen despite having successfully logged in initially to create the "owner" user of the Chromebook. No error message, not useful UI feedback. Just logging in again and again and again. The issue is ... not having a GMail account associated with my Google account. Duh! So add a GMail.com address as the primary to your Google account and the initial setup completes. Of course you cannot delete that GMail.com association again because the owner user is linked to the email and not the account. Well, you can delete it but then you cannot configure "owner" items of your Chromebook any more. Great job, Google. Not. Identity management 101 fail. Kudos to Anurag Chawake for blogging about the issue. The Google support forum thead claims this is solved now. But it didn't work for me, so this may be needing to trickle down through ChromeOS releases or be deployed on more Google infra. Or whatever. We can't tell from outside the Googleplex as - of course - "Rebecca" sheds no light on what the identified "root cause" was: Google Forum answer

Once I was able to login to the new Chromebook all worked fine until I started to use ssh sessions. These always hung for 30 seconds to 10 minutes and then resumed with lots of packets lost in between and the last minute or so coming in from buffering in a burst. This was easy to see in ping as well. The connection essentially dropped dead while the WiFi icon was continuing to show full signal strength. The logs did not show anything useful. These are really hard to access on ChromeOS (JSON format and no useful UI on the Chromebook itself, Google provides a viewer on Google Apps Toolbox but that requires uploading the logs). Better than no logs at all but not really nice. The ChromeOS bug tracker and its Google corporate counterpart are also not useful at this time. For reference:
Google ... Device users randomly disconnect from Wi-Fi network
Chromium ... Device users randomly disconnect from Wi-Fi network
Google ... Constant connect and disconnect from WiFi source post-update
Chromium ... Constant connect and disconnect from WiFi source post-update Playing around with the device on the network showed that it reduced sending power beyond being able to reach the access point any more. This is why disconnecting and re-connecting the WiFi fixes the issue for a few minutes, typically. Still, there is a better way: In crosh (the ChromeOS shell available when pressing Alt+Ctrl+T) type:

wifi_power_save disable

This unfortunately only lasts until the next reboot but it does persist over suspend cycles (aka closing the lid).

Updates 24.01.2022: What I love about the community is the playful creativity that inspires a game like Wordle and that in turn inspires others to create fun tools around it: Robert Reichel has reverse engineered the Wordle application, so in case you want to play tomorrow's word today .. you can. Or have that one guess "Genius" solution experience. JP Fosterson created a Wordle helper that is very much the Python version of my grep-foo above. In case you play regularly and can use a hand. And Tom Lockwood wrote a Wordle solver also in Python. He blogged about it and ... is pondering to rewrite things in Rust:

I ve decided to explore Rust for this, and so far what was taking 1GB of RAM in Python is taking, literally 1MB in Rust!

Welcome to 2022. 01.02.2022: OMG. Wordle has been bought by the New York Times for "for a price in the low seven figures" (Source). Joey Rees-Hill put it well in The Death of Wordle:

Today s Web is dominated by platforms. The average Web user will spend most of their time on large platforms such as Instagram, Facebook, Twitter, TikTok, Google Drive/Docs, YouTube, Netflix, Spotify, Gmail, and Google Calendar, along with sites operated by large publishers such as The New York Times or The Washington Post. [..]
The Web wasn t always this way. I m not old enough to remember this, but things weren t always so centralized. Web users might run their own small website, and certainly would visit a good variety of smaller sites. With the increasing availability of internet access, the Web has become incredibly commercialized, with a handful of companies concentrating Web activity on their own properties.
Wordle was a small site that gained popularity despite not being part of a corporate platform. It was wonderful to see an independent site gain attention for being simple and fun. Wordle was refreshingly free of attention-manipulating dark patterns and pushy monetization. That s why it s a shame to see it absorbed, to inevitably become just another feature of one large media company s portfolio.

Still kudos to Josh Wardle, a Million Pounds for Wordle. Well done! It was fun while it lasted. Let's see what the next Wordle will be. This one has just been absorbed into the borg collective.

After last year's blunder with trying to hide the Adobe toolchain and using hilarious stock photos, the Linux Foundation did much better in their 2021 annual report¹ published Dec. 6, 2021. Still they are using the Adobe toolchain (InDesign, Acrobat PDF) and my fellow ~~Debian~~Kernel² Developer Geert was quick to point that out as the first comment to the LWN note on the publication:

I think it is important to call the Linux Foundation (LF) out again and again. Adobe is a Silver member of the LF and they can motivate them to publish their applications for Linux. And if that is not an option, there are Free alternatives like Scribus that could well use the exposure and funds of LF to help catch up to the market leading product, Adobe InDesign. Linux Foundation Annual report 2021, document properties

Linux Foundation Annual report 2021, document properties

Personally, as a photographer, I am very happy they used stock images from Unsplash to illustrate the 2021 edition over the cringeworthy Shutterstock footage from last year's report. And they gave proper credit: Thank you section for Unsplash from the Linux Foundation 2021 annual report

Thank you section for Unsplash from the Linux Foundation 2021 annual report

Now for next year ... find an editor that knows how to spell photographers, please. And consider Scribus. And make Adobe publish their apps for Linux. Thank you.

Update 07.12.2021 22:00 CET: I had to replace the link to the Linux Foundation 2021 annual report with an archive.org one as they updated the report to fix the typo as per the comment from Melissa Schmidt below. Stable URLs are not a thing, apparently. You can find their new report at https://www.linuxfoundation.org/wp-content/uploads/2021_LF_Annual_Report_120721c.pdf. Unless somebody points out more typos. There is a Last-Modified Header in HTTP 1.1. Wordpress, Varnish and Nginx, serving the LF website, all support that.
08.12.2021: Geert Uytterhoeven wrote in that he is "geert" on LWN, both are very nice Geert's but different Geert's :-)

So, 2021 isn't bad enough yet, but don't despair, people are working to fix that:

Welcome to the Stallman wars Team Cancel: https://rms-open-letter.github.io/ (repo) Team Support: https://rms-support-letter.github.io/ (repo) Current stats are:

Team Cancel:  3028 signers from 1413 individual commit authors
Team Support: 6249 signers from 5018 individual commit authors

Git shortlog (Top 10):

rms_cancel.git (Last update: 2021-04-07 15:42:33 (UTC))
  1228  Neil McGovern
   251  Joan Touzet
    86  Elana Hashman
    71  Molly de Blanc
    36  Shauna
    19  Juke
    18  Stefano Zacchiroli
    17  Alexey Mirages
    16  Devin Halladay
    14  Nader Jafari
rms_support.git (Last update: 2021-04-12 09:25:53 (UTC))
  1678  shenlebantongying
  1564  nukeop
  1550  Ivanq
   826  Victor
   746  Job Bautista
   123  nekonee
    61  Victor Gridnevsky
    38  Patrick Spek
    25  Borys Kabakov
    17  KIM Taeyeob

(last updated 2021-04-12 09:26:15 (UTC)) Technical info:
Signers are counted from their "Signed / Individuals" sections. Commits are counted with git shortlog -s.
Team Cancel also has organizational signatures with Mozilla, Suse and X.Org being among the notable signatories. Debian is in the process of running a GR to join (or not join) that list. The 16 original signers of the Cancel petition are added in their count. Neil McGovern, Juke and shenlebantongying need .mailmap support as they have committed with different names. Further reading:

An introductory Ars Technica article in case you wonder what this all is about.
Debian vote mailing-list: March 2021, April 2021
NYT Magazine on the history of cancel culture
Ed Santos' commentary and analysis

The first install of a Gentoo kernel needs to be somewhat manual if you want to optimize the kernel for the (virtual) system it boots on. In part 1 I laid out how to improve the subsequent emerges of sys-kernel/gentoo-sources with a small drop in script to build the kernel as part of the ebuild. Since end of last year Gentoo also supports a less manual way of emerging a kernel: The following kernel blends are available:

sys-kernel/gentoo-kernel (the Gentoo kernel you can configure and compile locally - typically this is what you want if you run Gentoo)
sys-kernel/gentoo-kernel-bin (a pre-compiled Gentoo kernel similar to what genkernel would get you)
sys-kernel/vanilla-kernel (the upstream Linux kernel, again configurable and locally compiled)

So a quick walk-through for the gentoo-kernel variant: 1. Set up the correct package USE flags We do not want an initrd and we want our own config to be re-used so:

echo "sys-kernel/gentoo-kernel -initramfs savedconfig" >> /etc/portage/package.use/gentoo-kernel

2. Preseed the saved config The current kernel config needs to be saved as the initial savedconfig so it is found and applied for our emerge below:

mkdir -p /etc/portage/savedconfig/sys-kernel
cp -n "/usr/src/linux-$(uname -r)/.config" /etc/portage/savedconfig/sys-kernel/gentoo-kernel

3. Emerge the new kernel

emerge sys-kernel/gentoo-kernel

4. Update grub and reboot Unfortunately this ebuild does not update grub, so we have to run grub-mkconfig manually. This can again be automated via a post_pkg_postinst() script. See the step 7 below. But for now, let's do it manually:

grub-mkconfig -o /boot/grub/grub.cfg
# All fine? Time to reboot the machine:
reboot

5. (Optional) Prepare for the next kernel build Run etc-update and merge the new kernel config entries into your savedconfig. Screenshot of etc-update

The kernel should auto-build once new versions become available via portage. Again the etc-update can be automated if you feel that is sufficiently safe to do in your environment. See step 7 below for details. 6. (Optional) Remove the old kernel sources If you want to switch from the method based on gentoo-sources to the gentoo-kernel one, you can remove the kernel sources:

emerge -C "=sys-kernel/gentoo-sources-5*"

Be sure to update the /usr/src/linux symlink to the new kernel sources directory from gentoo-kernel, e.g.:

rm /usr/src/linux; ln -s "/usr/src/$(uname -r)" /usr/src/linux

This may be a good time for a bit more house-keeping: Clean up a bit in /usr/src/ to remove old build artefacts, /boot/ to remove old kernels and /lib/modules/ to get rid of old kernel modules. 7. (Optional) Further automate the ebuild In part 1 we automated the kernel compile, install and a bit more via a helper function for post_pkg_postinst(). We can do the similarly for what is (currently) missing from the gentoo-kernel ebuilds: Create /etc/portage/env/sys-kernel/gentoo-kernel with the following:

post_pkg_postinst()
etc-update --automode -5 /etc/portage/savedconfig/sys-kernel
grub-mkconfig -o /boot/grub/grub.cfg

The upside of gentoo-kernel over gentoo-sources is that you can put "config override files" in /etc/kernel/config.d/. That way you theoretically profit from config improvements made by the upstream developers. See the Gentoo distribution kernel documentation for a sample snippet. I am fine with savedconfig for now but it is nice that Gentoo provides the flexibility to support both approaches.

Gentoo emerges of sys-kernel/gentoo-sources will nicely install the current kernel into /usr/src/linux-* but it will not compile them. The Gentoo wiki kernel documentation has a script snippet to automate the kernel build with genkernel. I do not like to use genkernel as it brings in lots of firmware files to build initrds that are not needed on virtual hardware. It also makes building the kernel slower. So, the plain approach: Make emerge sys-kernel/gentoo-sources symlink the latest kernel to /usr/src/linux so we can find it easily:

echo "sys-kernel/gentoo-sources symlink" >> /etc/portage/package.use/gentoo-sources

Create /etc/portage/env/sys-kernel/gentoo-sources with the following:

post_pkg_postinst()
CURRENT_KV=$(uname -r)
unset ARCH
if [[ -f "$ EROOT:-/ usr/src/linux-$ CURRENT_KV /.config" ]] ; then
cp -n "$ EROOT:-/ usr/src/linux-$ CURRENT_KV /.config" "$ EROOT:-/ usr/src/linux/.config"
cd "$ EROOT:-/ usr/src/linux/" && \
make olddefconfig && \
make -j5 && make modules_install && make install && \
grub-mkconfig -o /boot/grub/grub.cfg
fi

This will compile the next kernel on the basis of the config of the currently running kernel, install the modules and the kernel bzImage and update grub so it knows about the new kernel for the next reboot. If you forget to unset ARCH the Linux build system will complain like:

Makefile:583: arch/amd64/Makefile: No such file or directory
make: *** No rule to make target 'arch/amd64/Makefile'.  Stop.

You can test the new magic by re-emerging the latest kernel, e.g. currently emerge =sys-kernel/gentoo-sources-5.4.80-r1:

Gentoo emerge with embedded kernel compile

echo "sys-kernel/gentoo-sources symlink" >> /etc/portage/package.use/gentoo-sources

Create /etc/portage/env/sys-kernel/gentoo-sources with the following:

Makefile:583: arch/amd64/Makefile: No such file or directory
make: *** No rule to make target 'arch/amd64/Makefile'.  Stop.

You can test the new magic by re-emerging the latest kernel, e.g. currently emerge =sys-kernel/gentoo-sources-5.4.80-r1:

System Rescue, the project formerly known as System Rescue CD, has moved from being based on Gentoo to being built on Arch Linux packages. With this their ISO layout changed substantially so when updating my trusty recue USB flash drive, I could not just update the kernel, initrd and the root filesystem image as I had typically done every other year before. The "Installing on a USB memory stick" documentation is good for Windows (use Rufus, it's nice) but rather useless for Linux. They recommend a dd or the fancy graphical version of that, called usbimager. I much prefer to have a flash drive that I can write to over an image of a CD (ISO) written 1:1 onto the flash media. The basic idea is to use the bulk of the System Rescue ISO contents but amend these with your own grub and syslinux so they work as intended over the supplied ones that are bound to the ISO layout a bit too much. I did this on Debian Buster but with some adjustments to paths and what packages to install, any recent Linux distribution should do: Continue reading "Installing System Rescue (CD) to a flash drive"

The virtual version of the annual CCC Congress is underway and feels like a huge playground. Things are bumpy but the participants are still having fun. Of course, we have IRC as a save heaven. That always works. The virtual world (which is the only thing the sold out tickets are needed for) is really fun. It feels like debugging a DOS game in the 80/90s. Not much works but it is engaging enough to keep poking at things.

The data formats are 2020 though, the main "lobby map" is a 3 MB json file:

  "compressionlevel":-1,
 "editorsettings":
     
     "export":
         
         "format":"json",
         "target":"main.json"
         
     ,
 "height":80,
 "infinite":false,
 "layers":[
         
         "data":[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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         "height":80,
         "id":2,
         "name":"start",
         "opacity":1,
         "type":"tilelayer",
         "visible":true,
         "width":80,
         "x":0,
         "y":0
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...

People that hand-optimized RLEs to fit games on floppies cry a little. Anyways, the streams are free (as in public), so please check https://streaming.media.ccc.de/ and the schedule at https://fahrplan.events.ccc.de/rc3/2020/Fahrplan/ for some great content to watch live or add to your play list.

The data formats are 2020 though, the main "lobby map" is a 3 MB json file:

  "compressionlevel":-1,
 "editorsettings":
     
     "export":
         
         "format":"json",
         "target":"main.json"
         
     ,
 "height":80,
 "infinite":false,
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         "height":80,
         "id":2,
         "name":"start",
         "opacity":1,
         "type":"tilelayer",
         "visible":true,
         "width":80,
         "x":0,
         "y":0
         , 
...

People that hand-optimized RLEs to fit games on floppies cry a little. The streams are free (as in public), so please check https://streaming.media.ccc.de/ and the schedule at https://fahrplan.events.ccc.de/rc3/2020/Fahrplan/ for some great content to watch live or add to your play list.

The Linux Foundation has published its annual report today. LWN calls it glossy and yeah, boy, it is shiny. So shiny that people that work in the publishing industry immediately see this has been produced with the Adobe toolchain which - unfortunately - is one of the big suites of software not yet available for Linux. Checking the PDF file metadata reveals the keywords "open source, open standards, open hardware, open data". That is what the Linux Foundation is about. Good stuff. Linux Foundation annual report 2020 cover

Linux Foundation annual report 2020 cover

The PDF producer meta data for the annual report PDF has been set to "Linux kernel 0.12.1 for Workgroups" and the PDF creator meta data element to "Sharp Zaurus XR-5000 (Maemo5) Edition". Somebody thought to better hide the real data and had some tongue-in-cheek ideas. Kudos. But nicer would have been to use Open Source software to produce the report, not? Running strings 2020-Linux-Foundation-Annual-Report_113020.pdf grep Adobe wc -l gives us 1229 lines and confirms the suspicion of the toolchain. A stale /Title (Annual Report 2020) /Producer (macOS Version 10.15.7 $Build 19H15$ Quartz PDFContext) has been forgotten in the document to tell us about the platform. So, ladies and gentlemen, the Linux Foundation 2020 annual report has been produced on a Mac. Running Adobe Creative Cloud on MacOS Catalina 10.15.7. Which is proprietary software. Its kernel (and some userland pieces) are based on BSD. Not Linux.

The image on the front page also struck me as a bit odd ... using a ballpoint pen on the laptop screen? Unbranded laptop. Unbranded cup in the foreground. Kid in the background not paying attention to his tablet. All of that cries stock image so loud it hurts. Google currently finds ~560 uses of the picture and any editorial use nicely tells us that it is Dragana Gordic / Shutterstock. The image is "Smiling mom working at home with her child on the sofa while writing an email. Young woman working from home, while in quarantine isolation during the Covid-19 health crisis". See the Daily Mail for a wonderful example of the working mum in context. I hope, if her laptop had been powered on, it would have run Linux. I mean, what else would still run on an old white MacBook with an Intel "Core 2 Duo" processor from 2008? Daily Mail screenshot of the same stock image used

Daily Mail screenshot of the same stock image used

Continue reading "No dog food today - the Linux Foundation annual report"

Show https://github.com/torvalds/linux/blob/b4061a10fc29010a610ff2b5b20160d7335e69bf/drivers/hid/hid-samsung.c#L113-L118 to a friend. Oops 'eh? Yep, Linux has been backdoored. Well, or not. Konstantin Ryabitsev explains it nicely in a cgit mailing list email:

It is common for git hosting environments to configure all forks of the same repo to use an "object storage" repository. For example, this is what allows git.kernel.org's 600+ forks of linux.git to take up only 10GB on disk as opposed to 800GB. One of the side-effects of this setup is that any object in the shared repository can be accessed from any of the forks, which periodically confuses people into believing that something terrible has happened.

The hack was discussed on Github in Dec 2018 when it was discovered. I forgot about it again but Konstantin's mail brought the memory back and I think it deserves more attention. I'm sure putting some illegal content into a fork and sending a made up "blob" URL to law enforcement would go quite far. Good luck explaining the issue. "Yes this is my repo" but "no, no that's not my data" ... "yes, it is my repo but not my data" ... "no we don't want that data either, really" ... "but, but there is nothing we can do, we host on github...¹". Update 05.11.20 Nate Friedman (CEO of Github) promises

[..] we are going to make it much more obvious when you're viewing an orphaned commit.

For context: The source code of Github (the product) had been leaked as a commit to Github's own DMCA repository. The repository has turned into a playground since Github took down the hosting for youtube-dl as the result of a DMCA complaint. 14.11.20 Seems Github now adds a warning to commits that are not in a reachable branch Github commit warning message

Actually there is something you can do. Making a repo private takes it out of the shared "object storage". You can make it public again afterwards. Seems to work at least for now.

I have been late to adopt an on-premise cloud solution as the security of Owncloud a few years ago wasn't so stellar (cf. my comment from 2013 in Encryption files ... for synchronization across the Internet). But the follow-up product Nextcloud has matured quite nicely and we use it for collaboration both in the company and in FLOSS related work at multiple nonprofit organizations. There is a very annoying "feature" in Nextcloud though that the designers think menu items for apps at the top need to be limited to eight or less to prevent information overload in the header. The whole item discussion is worth reading as it it an archetypical example of design prevalence vs. user choice. And of course designers think they are right. That's a feature of the trade.
And because they know better there is no user configurable option to extend that 8 items to may be 12 or so which would prevent the annoying overflow menu we are seeing with 10 applications in use: Screenshot of stock Nextcloud menu

Luckily code can be changed and there are many comments floating around the Internet to change const minAppsDesktop = 8. In this case it is slightly complicated by the fact that the javascript code is distributed in compressed form (aka "minified") as core/js/dist/main.js and you probably don't want to build the whole beast locally to change one constant. Basically

const breakpoint_mobile_width = 1024;

const resizeMenu = () =>
const appList = $('#appmenu li')
const rightHeaderWidth = $('.header-right').outerWidth()
const headerWidth = $('header').outerWidth()
const usePercentualAppMenuLimit = 0.33
const minAppsDesktop = 8
let availableWidth = headerWidth - $('#nextcloud').outerWidth() - (rightHeaderWidth > 210 ? rightHeaderWidth : 210)
const isMobile = $(window).width() < breakpoint_mobile_width
if (!isMobile)
availableWidth = availableWidth * usePercentualAppMenuLimit

let appCount = Math.floor((availableWidth / $(appList).width()))
if (isMobile && appCount > minAppsDesktop)
appCount = minAppsDesktop

if (!isMobile && appCount < minAppsDesktop)
appCount = minAppsDesktop

// show at least 2 apps in the popover
if (appList.length - 1 - appCount >= 1)
appCount--

$('#more-apps a').removeClass('active')
let lastShownApp
for (let k = 0; k < appList.length - 1; k++)
const name = $(appList[k]).data('id')
if (k < appCount)
$(appList[k]).removeClass('hidden')
$('#apps li[data-id=' + name + ']').addClass('in-header')
lastShownApp = appList[k]
else
$(appList[k]).addClass('hidden')
$('#apps li[data-id=' + name + ']').removeClass('in-header')
// move active app to last position if it is active
if (appCount > 0 && $(appList[k]).children('a').hasClass('active'))
$(lastShownApp).addClass('hidden')
$('#apps li[data-id=' + $(lastShownApp).data('id') + ']').removeClass('in-header')
$(appList[k]).removeClass('hidden')
$('#apps li[data-id=' + name + ']').addClass('in-header')

// show/hide more apps icon
if ($('#apps li:not(.in-header)').length === 0)
$('#more-apps').hide()
$('#navigation').hide()
else
$('#more-apps').show()

gets compressed during build time to become part of one 15,000+ character line. The relevant portion reads:

var f=function() var e=s()("#appmenu li"),t=s()(".header-right").outerWidth(),n=s()("header").outerWidth()-s()("#nextcloud").outerWidth()-(t>210?t:210),i=s()(window).width()<1024;i (n*=.33);var r,o=Math.floor(n/s()(e).width());i&&o>8&&(o=8),!i&&o<8&&(o=8),e.length-1-o>=1&&o--,s()("#more-apps a").removeClass("active");for(var a=0;a<e.length-1;a++) var l=s()(e[a]).data("id");a<o?(s()(e[a]).removeClass("hidden"),s()("#apps li[data-id="+l+"]").addClass("in-header"),r=e[a]):(s()(e[a]).addClass("hidden"),s()("#apps li[data-id="+l+"]").removeClass("in-header"),o>0&&s()(e[a]).children("a").hasClass("active")&&(s()(r).addClass("hidden"),s()("#apps li[data-id="+s()(r).data("id")+"]").removeClass("in-header"),s()(e[a]).removeClass("hidden"),s()("#apps li[data-id="+l+"]").addClass("in-header"))) 0===s()("#apps li:not(.in-header)").length?(s()("#more-apps").hide(),s()("#navigation").hide()):s()("#more-apps").show()

Well, we can still patch that, can we? Continue reading "Fixing the Nextcloud menu to show more than eight application icons"

If you clear your browser cookies regularly (as you should do), Google will annoy you with a full screen cookie consent overlay these days. And - of course - there is no "no tracking consent, technically required cookies only" button. You may log in to Google to set your preference. Yeah, I'm sure this is totally following the intent of the EU Directive 2009/136/EC (the "cookie law"). Google cookie consent pop-up

Unfortunately none of the big "anti-annoyances" filter lists seem to have picked that one up yet but the friendly folks from the Computerbase Forum [German] to the rescue. User "Sepp Depp" has created the following filter set that WFM: Add this to your uBlock Origin "My filters" tab:

! Google - remove cookie-consent-popup and restore scroll functionality
google.*##.wwYr3.aID8W.bErdLd
google.*##.aID8W.m114nf.t7xA6
google.*##div[jsname][jsaction^="dg_close"]
google.*##html:style(overflow: visible !important;)
google.*##.widget-consent-fullscreen.widget-consent

Limesurvey is an online survey tool. It is very powerful and commonly used in academic environments because it is Free Software (GPLv2+), allows for local installations protecting the data of participants and allowing to comply with data protection regulations. This also means there are typically no load-balanced multi-server szenarios with HA databases. But simple VMs where Limesurvey runs and needs upgrading in place. There's an LTS branch (currently 3.x) and a stable branch (currently 4.x). There's also a 2.06 LTS branch that is restricted to paying customers. The main developers behind Limesurvey offer many services from template design to custom development to support to hosting ("Cloud", "Limesurvey Pro"). Unfortunately they also charge for easy updates called "ComfortUpdate" (currently 39 for three months) and the manual process is made a bit cumbersome to make the "ComfortUpdate" offer more attractive. Due to Limesurvey being an old code base and UI elements not being clearly separated, most serious use cases will end up patching files and symlinking logos around template directories. That conflicts a bit with the opaque "ComfortUpdate" process where you push a button and then magic happens. Or you have downtime and a recovery case while surveys are running. If you do not intend to use the "ComfortUpdate" offering, you can prevent Limesurvey from connecting to http://comfortupdate.limesurvey.org daily by adding the updatable stanza as in line 14 to limesurvey/application/config/config.php:

return array(
[...]
// Use the following config variable to set modified optional settings copied from config-defaults.php
'config'=>array(
// debug: Set this to 1 if you are looking for errors. If you still get no errors after enabling this
// then please check your error-logs - either in your hosting provider admin panel or in some /logs directory
// on your webspace.
// LimeSurvey developers: Set this to 2 to additionally display STRICT PHP error messages and get full access to standard templates
'debug'=>0,
'debugsql'=>0, // Set this to 1 to enanble sql logging, only active when debug = 2
// Mysql database engine (INNODB MYISAM):
'mysqlEngine' => 'MYISAM'
, // Update default LimeSurvey config here
'updatable' => false,
)
);

The comma on line 13 is placed like that in the current default limesurvey config.php, don't let yourself get confused. Every item in a php array must end with a comma. It can be on the next line. The basic principle of low risk, near-zero downtime, in-place upgrades is:

Create a diff between the current release and the target release
Inspect the diff
Make backups of the application webroot
Patch a copy of the application in-place
(optional) stop the web server
Make a backup of the production database
Move the patched application to the production webroot
(if 5) Start the webserver
Upgrade the database (if needed)
Check the application

So, in detail: Continue reading "Upgrading Limesurvey with (near) zero downtime"

" 'Boa constrictors swallow their prey whole, without chewing it. After that they are not able to move, and they sleep through the six months that they need for digestion.' I pondered deeply, then, over the adventures of the jungle. And after some work with a colored pencil I succeeded in making my first drawing. My Drawing Number One. It looked something like this: Boa Constrictor by Antoine de Saint Exup ry

Boa Constrictor by Antoine de Saint Exup ry

I showed my masterpiece to the grown-ups, and asked them whether the drawing frightened them. But they answered: 'Frighten? Why should any one be frightened by a hat?' My drawing was not a picture of a hat. It was a picture of a boa constrictor digesting an elephant. But since the grown-ups were not able to understand it, I made another drawing: I drew the inside of a boa constrictor, so that the grown-ups could see it clearly. They always need to have things explained. My Drawing Number Two looked like this: Boa Constrictor in sectional drawing by Antoine de Saint Exup ry

Boa Constrictor in sectional drawing by Antoine de Saint Exup ry

The grown-ups' response, this time, was to advise me to lay aside my drawings of boa constrictors, whether from the inside or the outside, and devote myself instead to geography, history, arithmetic, and grammar. That is why, at the age of six, I gave up what might have been a magnificent career as a painter. I had been disheartened by the failure of my Drawing Number One and my Drawing Number Two. Grown-ups never understand anything by themselves, and it is tiresome for children to be always and forever explaining things to them." from The Little Prince by Antoine de Saint Exup ry Outcome of Cases (Recovery or Death) in Germany by Worldometers

Outcome of Cases (Recovery or Death) in Germany by Worldometers

from the Corona Fun with Statistics department at Worldometers (source, archive.org link)

If you see Thunderbird hanging during startup for a minute and then continuing to load fine, you are probably running into an issue similar to what I saw when Debian migrated Icedove back to the "official" Mozilla Thunderbird branding and changed ~/.icedove to ~/.thunderbird in the process (one symlinked to the other). Looking at the console log (=start Thunderbird from a terminal so you see its messages), I got:

console.log: foxclocks.bootstrap._loadIntoWindow(): got xul-overlay-merged - waiting for overlay-loaded
[.. one minute delay ..]
console.log: foxclocks.bootstrap._windowListener(): got window load chrome://global/content/commonDialog.xul

Stracing confirms it hangs because Thunderbird loops waiting for a FUTEX until that apparently gets kicked by a XUL core timeout.
(Thanks for defensive programming folks!) So in my case uninstalling the Add-On Foxclocks easily solved the problem. I assume other Thunderbird Add-Ons may cause the same issue, hence the more generic description above.

The following contributors got their Debian Developer accounts in the last two months:

Karen M Sandler (karen)
Sebastien Badia (sbadia)
Christos Trochalakis (ctrochalakis)
Adrian Bunk (bunk)
Michael Lustfield (mtecknology)
James Clarke (jrtc27)
Sean Whitton (spwhitton)
Jerome Georges Benoit (calculus)
Daniel Lange (dlange)
Christoph Biedl (cbiedl)
Gustavo Panizzo (gefa)
Gert Wollny (gewo)
Benjamin Barenblat (bbaren)
Giovani Augusto Ferreira (giovani)
Mechtilde Stehmann (mechtilde)
Christopher Stuart Hoskin (mans0954)

The following contributors were added as Debian Maintainers in the last two months:

Dmitry Bogatov
Dominik George
Gordon Ball
Sruthi Chandran
Michael Shuler
Filip Pytloun
Mario Anthony Limonciello
Julien Puydt
Nicholas D Steeves
Raoul Snyman

Congratulations!

This isn't actually answering the question, but it's close. It's also horrible, so whoever adopts Enrico's script should also completely rewrite this or burn it along with the stack of pizza boxes and the grand piano. Input:

#!/bin/zsh
set -e
PATHS=$(tempfile)
NEWKEYS=$(tempfile)
NEWKEYRING=$(tempfile)
FARTHEST_TEN=$(tempfile)
trap "rm -f $ PATHS  $ NEWKEYS  $ NEWKEYRING  $ FARTHEST_TEN " EXIT
keyring=$ 1:-ksp-dc16.gpg 
myfpr=$ 2:-2100A32C46F895AF3A08783AF6D3495BB0AE9A02 
#keyserver=$ 3:-http://pool.sks-keyservers.net:11371/ 
# this doesn't handle hokey fetch failures
#(for fpr in $(hkt list --keyring $ keyring  --output-format JSON   jq '.[].publickey.fpr')
#do
#  hokey fetch --keyserver "$ keyserver " --validation-method MatchPrimaryKeyFingerprint "$ (Q)fpr "
#done) >$ NEWKEYS 
#
#gpg2 --no-default-keyring --keyring $ NEWKEYRING  --import $ NEWKEYS 
cp "$ keyring " "$ NEWKEYRING "
gpg2 --no-default-keyring --keyring $ NEWKEYRING  --refresh
hkt findpaths --keyring $ NEWKEYRING  '' '' '' > $ PATHS 
id=$(awk -F, "/$ myfpr )\$/  sub(/\(/,BLANKY,\$1);print \$1; " $ PATHS )
grep -e ",\[$ id ," -e ",$ id \]" $ PATHS    sort -n   tail -n 10 > $ FARTHEST_TEN 
targetids=($ (f)"$ $((sed 's/^.*\[//;s/,.*$//;' $ FARTHEST_TEN ; sed 's/\])$//;s/.*,//;' $ FARTHEST_TEN )   sort -n -u   grep -v "^$ id $") " )
targetfprs=($(for i in $ targetids ; do awk -F, "/\($ i ,[^[]/  sub(/\)/,BLANKY,\$2); print \$2 " $ PATHS ; done))
gpg2 --no-default-keyring --keyring $ NEWKEYRING  --list-keys $ targetfprs

Output:

pub   rsa4096/0x664F1238AA8F138A 2015-07-14 [SC]
      Key fingerprint = 3575 0B8F B6EF 95FF 16B8  EBC0 664F 1238 AA8F 138A
uid                   [ unknown] Daniel Lange <dl.ml1@usrlocal.de>
sub   rsa4096/0x03BEE1C11DB1954B 2015-07-14 [E]
pub   rsa4096/0xDF23DA3396978EB3 2014-09-05 [SC]
      Key fingerprint = BBBC 58B4 5994 CF9C CC56  BCDA DF23 DA33 9697 8EB3
uid                   [  undef ] Michael Meskes <michael@fam-meskes.de>
uid                   [  undef ] Michael Meskes <meskes@postgresql.org>
uid                   [  undef ] Michael Meskes <michael.meskes@credativ.com>
uid                   [  undef ] Michael Meskes <meskes@debian.org>
sub   rsa4096/0x85C3AFFECF0BF9B5 2014-09-05 [E]
sub   rsa4096/0x35D857C0BBCB3B25 2014-11-04 [S]
pub   rsa4096/0x1E953E27D4311E58 2009-07-12 [SC]
      Key fingerprint = C2FE 4BD2 71C1 39B8 6C53  3E46 1E95 3E27 D431 1E58
uid                   [  undef ] Chris Lamb <chris@chris-lamb.co.uk>
uid                   [  undef ] Chris Lamb <lamby@gnu.org>
uid                   [  undef ] Chris Lamb <lamby@debian.org>
sub   rsa4096/0x72B3DBA98575B3F2 2009-07-12 [E]
pub   rsa4096/0xDF6D76C44D696F6B 2014-08-15 [SC] [expires: 2017-06-03]
      Key fingerprint = 1A6F 3E63 9A44 67E8 C347  6525 DF6D 76C4 4D69 6F6B
uid                   [ unknown] Sven Bartscher <sven.bartscher@weltraumschlangen.de>
uid                   [ unknown] Sven Bartscher <svenbartscher@yahoo.de>
uid                   [ unknown] Sven Bartscher <kritzefitz@debian.org>
sub   rsa4096/0x9E83B071ED764C3A 2014-08-15 [E]
sub   rsa4096/0xAEB25323217028C2 2016-06-14 [S]
pub   rsa4096/0x83E33BD7D4DD4CA1 2015-11-12 [SC] [expires: 2017-11-11]
      Key fingerprint = 0B5A 33B8 A26D 6010 9C50  9C6C 83E3 3BD7 D4DD 4CA1
uid                   [ unknown] Jerome Charaoui <jerome@riseup.net>
sub   rsa4096/0x6614611FBD6366E7 2015-11-12 [E]
sub   rsa4096/0xDB17405204ECB364 2015-11-12 [A] [expires: 2017-11-11]
pub   rsa4096/0xF823A2729883C97C 2014-08-26 [SC]
      Key fingerprint = 8ED6 C3F8 BAC9 DB7F C130  A870 F823 A272 9883 C97C
uid                   [ unknown] Lucas Kanashiro <kanashiro@debian.org>
uid                   [ unknown] Lucas Kanashiro <kanashiro.duarte@gmail.com>
sub   rsa4096/0xEE6E5D1A9C2F5EA6 2014-08-26 [E]
pub   rsa4096/0x2EC0FFB3B7301B1F 2014-08-29 [SC] [expires: 2017-04-06]
      Key fingerprint = 76A2 8E42 C981 1D91 E88F  BA5E 2EC0 FFB3 B730 1B1F
uid                   [ unknown] Niko Tyni <ntyni@debian.org>
uid                   [ unknown] Niko Tyni <ntyni@cc.helsinki.fi>
uid                   [ unknown] Niko Tyni <ntyni@iki.fi>
sub   rsa4096/0x129086C411868FD0 2014-08-29 [E] [expires: 2017-04-06]
pub   rsa4096/0xAA761F51CC10C92A 2016-06-20 [SC] [expires: 2018-06-20]
      Key fingerprint = C9DE 2EA8 93EE 4C86 BE73  973A AA76 1F51 CC10 C92A
uid                   [ unknown] Roger Shimizu <rogershimizu@gmail.com>
sub   rsa4096/0x2C2EE1D5DBE7B292 2016-06-20 [E] [expires: 2018-06-20]
sub   rsa4096/0x05C7FD79DD03C4BB 2016-06-20 [S] [expires: 2016-09-18]

Note that this completely neglects potential victims who are unconnected within the KSP set.

Search Results: "Daniel Lange"

1 June 2022

Daniel Lange: Get Youtube Channel ID from username

30 May 2022

Daniel Lange: Work-around for randomly dropping WiFi connections on ChromeOS

13 January 2022

Daniel Lange: Leveling the playing field for non-native speakers

7 December 2021

Daniel Lange: Gradual improvements at the Linux Foundation

26 March 2021

Daniel Lange: The Stallman wars

3 February 2021

Daniel Lange: Compiling and installing the Gentoo Linux kernel on emerge without genkernel (part 2)

28 January 2021

Daniel Lange: Compiling and installing the Gentoo Linux kernel on emerge without genkernel

Daniel Lange: Compiling and installing the Gentoo Linux kernel on emerge without genkernel (part 1)

27 January 2021

Daniel Lange: Installing System Rescue (CD) to a flash drive

28 December 2020

Daniel Lange: No CCC Congress this year but rc3 online

Daniel Lange: No CCC Congress this year but rC3 online

3 December 2020

Daniel Lange: No dog food today - the Linux Foundation annual report

28 October 2020

Daniel Lange: Git shared hosting quirk

18 September 2020

Daniel Lange: Fixing the Nextcloud menu to show more than eight application icons

Daniel Lange: Getting rid of the Google cookie consent popup

21 June 2020

Daniel Lange: Upgrading Limesurvey with (near) zero downtime

14 April 2020

Daniel Lange: I think we need more creativity in statistics

11 May 2017

Daniel Lange: Thunderbird startup hang (hint: Add-Ons)

8 January 2017

Bits from Debian: New Debian Developers and Maintainers (November and December 2016)

26 June 2016

Clint Adams: A local script for local people