TLDR Search

Enter a command. For example: lxi, htpdate, smbpasswd, foreman.

dmesg

Write the kernel messages to standard output. More information: https://manned.org/dmesg.

• Show kernel messages:
   
  dmesg
   
• Show kernel error messages:
   
  dmesg --level err
   
• Show kernel messages and keep reading new ones, similar to tail -f (available in kernels 3.5.0 and newer):
   
  dmesg -w
   
• Show how much physical memory is available on this system:
   
  dmesg | grep -i memory
   
• Show kernel messages 1 page at a time:
   
  dmesg | less
   
• Show kernel messages with a timestamp (available in kernels 3.5.0 and newer):
   
  dmesg -T
   
• Show kernel messages in human-readable form (available in kernels 3.5.0 and newer):
   
  dmesg -H
   
• Colorize output (available in kernels 3.5.0 and newer):
   
  dmesg -L