Service Ops
98 incident problems about Service Ops. Start with the reviewed ones.
Read first
How to split Linux failures by systemd, permission, and filesystem signalsAn InfraTree guide that lays out the first signals to check, the CLI verification order, common misdiagnoses, and a safe recovery path when a service fails but you need to isolate whether the cause is a systemd unit, permission, inode, mount, or process.Linux3 min readWhen sudo works in the shell but fails under automationAn InfraTree guide that lays out the first signals to check, the CLI verification order, common misdiagnoses, and a safe recovery path when only automation jobs fail because of TTY, sudoers, environment reset, or service user differences.Linux3 min readWhen permissions are fixed but only new directories are created with the wrong groupAn InfraTree guide that lays out the first signals to check, the CLI verification order, common misdiagnoses, and a safe recovery path when existing file permissions are correct but group inheritance breaks for newly created files and directories.Linux3 min read
Recommended problems
Reviewed problems first, then problems with detailed scenarios.
All problems (98)
LINUX-1611A systemd service still failsA service still fails immediately after a package layout change.ReviewedLinuxBeginner6 minFreeLINUX-1756A timer is enabled and one task still never runsA timer still never runs even though it is enabled.LinuxBeginner8 minFreeLINUX-1706An fstab entry is correct and one mount still fails at bootA mount still fails at boot after the fstab entry was corrected.LinuxBeginner8 minFreeLINUX-1786An NFS mount works by hand and boot still waitsAn NFS mount works manually but still waits at boot.LinuxBeginner8 minFreeLINUX-1627An NFS mount works manually and boot still failsAn NFS mount works manually but still fails at boot.LinuxBeginner8 minFreeLINUX-1659An NFS mount works manually and boot still failsAn NFS mount works manually but still fails at boot.LinuxBeginner8 minFreeLINUX-1669An NFS mount works manually and boot still failsAn NFS mount works manually but still fails at boot.LinuxBeginner8 minFreeLINUX-1675An NFS mount works manually and boot still failsAn NFS mount works after login but still fails during boot.LinuxBeginner8 minFreeLINUX-1686An NFS mount works manually and boot still failsAn NFS mount succeeds after login but still fails during boot.LinuxBeginner8 minFreeLINUX-1696An NFS mount works manually and boot still failsAn NFS mount succeeds after login but still fails at boot.LinuxBeginner8 minFreeLINUX-1716An NFS mount works manually and boot still failsAn NFS mount still fails during boot even though it works manually.LinuxBeginner8 minFreeLINUX-1726An NFS mount works manually and boot still failsAn NFS mount succeeds after login but still fails at boot.LinuxBeginner8 minFreeLINUX-1736An NFS mount works manually and boot still failsAn NFS mount succeeds after login but still fails at boot.LinuxBeginner8 minFreeLINUX-1746An NFS mount works manually and boot still failsAn NFS mount succeeds after login but still fails at boot.LinuxBeginner8 minFreeLINUX-1766An NFS mount works manually and boot still failsAn NFS mount succeeds after login but still fails at boot.LinuxBeginner8 minFreeLINUX-1757An NFS mount works manually and boot still waitsAn NFS mount succeeds manually but still waits at boot.LinuxBeginner8 minFreeLINUX-1776An NFS mount works manually and boot still waitsAn NFS mount succeeds after login but still fails at boot.LinuxBeginner8 minFreeLINUX-1796An NFS mount works manually and boot still waitsAn NFS mount works manually but still waits at boot.LinuxBeginner8 minFreeLINUX-1806An NFS mount works manually and boot still waitsAn NFS mount works manually but still waits at boot.LinuxBeginner8 minFreeLINUX-1836An NFS mount works manually and boot still waitsAn NFS mount works manually but still waits at boot.LinuxBeginner8 minFree