2️⃣2️⃣ Here's the 22nd post highlighting key new features of the recently released v259 release of systemd. #systemd259 #systemd

In v258 systemd-nspawn gained support for running unpriviled containers from directories owned by the "foreign" UID range. To get container images owned by that you had to manually chown() the images (recursively), for example via systemd-dissect --shift. And while the systemd-nspawn invocation is not privileged, that re-chown()-ing definitely has requires privileges.

2️⃣2️⃣ Here's the 22nd post highlighting key new features of the recently released v259 release of systemd. #systemd259 #systemd

In v258 systemd-nspawn gained support for running unpriviled containers from directories owned by the "foreign" UID range. To get container images owned by that you had to manually chown() the images (recursively), for example via systemd-dissect --shift. And while the systemd-nspawn invocation is not privileged, that re-chown()-ing definitely has requires privileges.

#TIL #journalctl has a short-delta output (since version 252, Ubuntu 24.04 Noble is the first Ubuntu LTS shipping that), that shows the time difference to the previous entry.

And yes, this does the right thing when combined with --grep.

#systemd

1️⃣9️⃣ Here's the 19th post highlighting key new features of the recently released v259 release of systemd. #systemd259 #systemd

Each systemd service has various ExecXYZ= stanzas that control what command to execute on which operation. Most importantly, there's of course ExecStart= which configures the command to run for actually starting the service. Then there's ExecStartPre=, ExecStartPost=, ExecReload=, ExecStop=, ExecStopPost=.

And with systemd v259 there's one more knob like this:

i found a good blog post explaining how to use systemd socket units and systemd socket proxy to automatically start a podman quadlet container on the first connection and stop it after some idle period

#blogshare #podman #quadlet #quadlets #systemd #homelab #selfhost

https://web.archive.org/web/20250726014034/https://thinkaboutit.tech/posts/2025-07-20-adhoc-containers-with-systemd-and-quadlet

i found a good blog post explaining how to use systemd socket units and systemd socket proxy to automatically start a podman quadlet container on the first connection and stop it after some idle period

#blogshare #podman #quadlet #quadlets #systemd #homelab #selfhost

https://web.archive.org/web/20250726014034/https://thinkaboutit.tech/posts/2025-07-20-adhoc-containers-with-systemd-and-quadlet

So which command is one supposed to run after editing /etc/kernel/cmdline on Debian with systemd-boot as bootloader?

#debian #systemd #systemdboot #kernel #cmdline