Production Fixes
Real issues from real deployments. Each fix is tagged by tool so you can find what you need fast.
permission denied: /var/run/docker.sock
Running docker commands fails with permission denied on the socket.
Read fix →Disk full — no space left on device
Server throws "no space left on device" but du shows plenty of space.
Read fix →kill command does not stop the process
Process keeps running after kill. Even kill -9 does not work.
Read fix →SSH: Permission denied (publickey)
SSH login fails with publickey error even with correct key.
Read fix →High CPU but no obvious process in top
Server is slow and CPU is high but top does not show the culprit.
Read fix →Cron job not running as expected
Cron entry looks correct but the job never runs.
Read fix →Port already in use — cannot start service
Service fails to start because another process holds the port.
Read fix →Permission denied even as root
Even with sudo you cannot write to a file.
Read fix →Load average is high but CPU usage is low
top shows load average of 20+ but CPUs are mostly idle.
Read fix →