Talha
Talha writes technology tutorials for Liberian Geek, covering practical how-to topics across web tools, software, devices, and productivity workflows.
38 guides · page 4
How to Check CPU Usage and Info on Debian 13 and 12
Quick answer: run uptime to see the load average, then top (press P to sort by CPU, 1 to show each core) to see who is using the processor. Compare the load average with the number of cores from nproc: a load above the core count for a sustained period means work is...
How to Check Memory Usage on Debian 13 and 12 (free, vmstat, ps)
Quick answer: run free -h and read the available column. That is the memory Debian can give to new programs without swapping, and it is the number that matters, not free. To find what is using it, run ps -eo pid,%mem,rss,comm –sort=-rss | head. The commands on...
How to Check Disk Space on Debian 13 and 12 (df, du, ncdu)
To check disk space on Debian 13 (Trixie) or Debian 12 (Bookworm), run df -hT to see how full each filesystem is, then sudo du -xh –max-depth=1 / | sort -rh | head to see which top-level directory is using it. Repeat the du command one level deeper until you...