Zygmunt Krynicki

THREE YEAR WARRANTY

#ifYouKnowYouKnow

I was gaming on a 2019 #macpro with Vega 2 GPU, running #Ubuntu 26.04, playing #Stalker2 and #Cyberpunk 2077 from GOG via #HeroicLauncher.

isn’t this exactly what Mastodon is for?

I put #Ubuntu 26.04 on a 2019 #MacPro (7,1) with a 32GB HBM2 Vega II GPU. It's surprisingly AWESOME for both gaming (current-gen AAA GOG games through Heroic Launcher run very very well) AND quite awesome at local AI. #Qwen35 getting nearly 80 tokens per second was really unexpected for this nearly obsolete box. All in all, silent and pretty good. Definitely runs better than MacOS.

I've added an #MCP server into #snapd to learn a little bit about this. I think it's very interesting what #LLMs can do and this has certainly taught me a lot.

You can play with this locally by building the snap or the classic package and installing on your system then enabling the 'mcp' experimental flag with:

snap set system experimental.mcp=true

https://github.com/canonical/snapd/pull/16836

Are there any gnome shell extensions useful for ultra-wide monitors? #ultrawide #gnome

I spent a day with #Thinkpad T14s with #snapdragon CPU unplugged. After my daily routine of coding, testing and listening to music I ended the day with 78% of battery left.

Given that I have access to #WSL2 out of the box and that I can video call people without having the fan spin or the CPU do pretty much anything at all, I am impressed.

I also got it for a little over 50% off the full price, on a black Friday sale, which makes it incredibly good value.

I'm looking at the #DBus spec and this sentence seems unusual:

> Any signals emitted from a D-Bus object have the service’s unique bus name associated with them, rather than its well-known name. This means that recipients of the signals must rely entirely on the signal name and object path to work out which interface the signal originated from.

(Edited to spellcheck cleanly).

Does anyone who worked on the original spec know why this was done like that?

Late night debugging session on #snapd, #apparmor and #dbus.

I spent some time playing with #tty last night and I realized what I did wrong last time when I tried to talk to a tty. The response does not have to arrive in one read call.

I also ran into 7bit vs 8 bit encoding difference that my parser did not handle.

What bugs me the most is lack of sensible single place that documents all of the protocols involved. There's a range of odd websites, man pages, PDFs and websites but nothing cohesive.

Please tell me I'm missing a well-know resource.

Hello! #Snapd 2.71 is heading to a Fedora and EPEL system near you: https://bodhi.fedoraproject.org/updates/FEDORA-2025-2310d4d62d

I documented limitation of #snapd mount namespace persistence on the #snapcraft forum: https://forum.snapcraft.io/t/per-snap-mount-namespace-persistence-limitations/48354

My colleague Maciej is working on preparing #snapd for submission into #openSUSE Factory. There's a very long standing thread from security review at https://bugzilla.suse.com/show_bug.cgi?id=1127368#c35 and, after a few years, we believe we've provided all the changes that were originally requested.

Snapd is many things but one of the key properties is a strong desire to build an ecosystem founded on strong security principles. The path to the summit is long and winding but we make progress every day.

I am interested in backporting #snapd 2.71 back to #Debian Trixie. If you are a Debian user please respond and consider boosting this for wider reach.

Are you using packages from the backports repository?

I just released #snapd 2.71-1 into #Debian unstable. I will garden the BTS which has been somewhat neglected, apologies for that. I hope one day Debian will grow a basic web interface for bug tracking that does not involve sending email to make state changes.

The generation after me shuns IRC but I'm the generation that's definitely not in love with email. When I'm not on another planet that is light-minutes or light-years away, I want to use a synchronous interface.

Happy testing everyone!

If you're not interested in the meltdown in U.S. politics then do come along and see my super-cool #snapd integration test system where a number of snaps are smoke-tested on several different distributions. The whole thing is set up such that you can run the same tests locally and they are representative of what real users would see.

https://github.com/canonical/snapd-smoke-tests

You should check out #snapd #1000papercuts initiative: https://forum.snapcraft.io/t/snapd-papercuts-initiative/47263

I've opened a pull request that adds my simple virtual file system package to #snapd https://github.com/canonical/snapd/pull/15321

If you are interested in how #VirtualFileSystems work and want to poke holes into my understanding, please be my guest.

@juliank I have a #deye installation at home with 9.6kWp and ~10kWh battery for the total cost of ~12K EUR

I have 16 600W panels and a three phase inverter. One word of caution is that it requires being online to register and manage but presumably not to be operational, so if you are paranoid you can switch it offline.

Another day of #Deye solar inverter issues. I can work off-grid with charged batteries and somewhat sunny winter day, but connecting the inverter to the grid causes "load" and "ups" (essential load) to cancel out, causing lots of heat and noise and otherwise problematic behavior. The whole problem started on Thursday last week, and timing could not be worse with FOSDEM approaching later this week.

Support is supposed to do a remote software update before eventually physically coming over.

#snapd 2.67 is hitting #fedora and #epel! Fedora 41 update is available at https://bodhi.fedoraproject.org/updates/FEDORA-2025-9ab93df0e0 -- please give it a try and pass your vote there if you find it working or problematic.

@heroiclauncher how can updates to a 160GB game take 140GB? Ouch.

Speaking of which. From my #snapd maintainer point of view, I think that finding an efficient algorithm for updates, on the order of O(n) where n is the size of delta for both network and disk IO required and extra disk space required, is still an unsolved problem.

Many updater programs are inefficient at upgrades of huge packages or can only do delta updates at a file granularity which may not work of certain payloads.

I found a photo from 2016 just as snapd shipped in Ubuntu 16.04. We just got the camera interface to work and I was doing a demo while sitting in a restaurant with my family. I remember how happy I was that VLC snap was working and that camera mediation was merged and provably worked in vlc as a camera viewer :-)

#snapd

With #chisel you can create smaller containers without becoming a deep expert at everything below your stack. Size reduction, smaller attack surface, fewer CVEs. #UbuntuSummit

Running windows games on Linux is easy(ier) with #UMU

Today, after disconnecting many parts of the house, batteries, solar panels, and the grid, we have identified the reason for a 250V DC fed on the neutral line leaving the #deye inverter we have at home.

Default configuration leaves ground floating and internally disconnected. It could be related to the software version. Call tech support and confirm that you need to enable grounding in advanced settings.

Stay safe!

@kissiel it is SUN-10K-SG04-LP3-EU from #Deye

I'm reading a book about the ancient Egyptian writing system and I'm no longer upset about Debian stable.

#debianstable #humor