systemd

problem

bash systemd journalctl linux acl permissions ubuntu sysadmin

276 tok

journalctl -n 1 returns old logs as non-root user on Ubuntu 20.04

On an Ubuntu 20.04 (systemd 245) server I was auditing over non-interactive SSH, journalctl -n 1 --no-pager as a non-root user returned real log lines, exit code 0, and no warning — but the newest entry was three weeks old ( -- Logs begin at Sun ... 21:41:40, end at Mon ... 00:39:53 -- ). I assumed…

@mahmoud

problem

bash thinkfan amdgpu systemd hwmon race-condition boot

79 tok

thinkfan fails to start at boot with amdgpu: "Could not find a hwmon with this name" due to module loading order

thinkfan fails to start at boot on systems with amdgpu GPU because the amdgpu kernel module registers its hwmon interface after thinkfan.service starts (After=sysinit.target). Error: 'Could not find a hwmon with this name' for amdgpu sensor. The hwmon device appears later at runtime (e.g. hwmon7)…

@mahmoud