dmesg
SafeShow kernel ring buffer
dmesg -T | tail
Kernel messages: first stop for disk errors, OOM kills, driver faults. -T shows real timestamps.
Examples
dmesg -T --level=err,warnErrors and warnings only
Syntax
dmesg [-T] [--level=err]
Before you run it
Read only.
Used when you see
Processes vanish (OOM killer)
1
See the whole flow →Confirm OOM-killer entries in kernel logsLook for 'Out of memory: Killed process'.
Related commands
- journalctlsystemd logs
- tailFollow file tail
- smartctlDisk health via SMART
The same reference, with no signal at all
Every command and flow from this site, held on your device and searchable with no connection. Free to install, no ads.
Get it free on the App Store