The dmesg command

print or control the kernel ring buffer 3 examples from the lessons of the IVski Linux Playground — try them in the terminal next to them.

Options in the examples

-T, --ctime

Print human-readable timestamps.

Examples

sudo dmesg | grep -i "killed process"

sudo dmesg -T | grep -i "out of memory"

sudo dmesg -T | grep -i "killed process"

Lessons that use dmesg

• When Memory Runs Out — the OOM Killer
• Mission: Killed in the Night

Related commands

• grep