Linux Troubleshooting
Last modified: 2022-11-12
Linux
Check Error Logs
Message Buffer of Kernel
dmesg
dmesg | less
dmesg | grep bug
dmesg -l err
Record of Journal Logs
# Show all logs
journalctl
# Show current boot
journalctl -b
# Show kernel message from boot
journalctl -k
# Show recenct logs (x: details)
journalctl -e
journalctl -ex
# Shog logs from specified unit
journalctl -u httpd
journalctl -u sshd