Problem: Sometimes, you will find that your home/root partition on your SLED/SLES is getting full. So you have to delete some junk files/directories from your home/root partitions, but problem is how will you find a list of large space used files/directories? Here we go…
We can find the sorted list of large space used files/directory in SLES/SLES using CLI (Command Linux Interface).
Step – 1
Launch ‘gnome-terminal’ for CLI (Command Line Interface) like ‘cmd’ in windows.
Step – 2
You can view your overall disk usage by ‘du’ command.
person@NOVELLDESK:~> df -kh Filesystem Size Used Avail Use% Mounted on /dev/sda2 32G 32G 0G 100% / udev 1006M 156K 1006M 1% /dev /dev/sda1 33G 11G 22G 33% /windows/C /dev/sda5 32G 11G 22G 33% /windows/D /dev/sda6 50G 21G 29G 43% /home person@NOVELLDESK:~>
The above information shows that my root partition is utilizing 100% disk space. Now, we have to find the sorted list of large space used files/directories so I can delete it if it’s junk for me.
Step – 3
So, here is the command…
person@NOVELLDESK:~> sudo time du -ah / | uniq | grep "^[0-9]*[G]" | sort -g -n du: `/var/lib/ntp/proc/4824/task': No such file or directory du: `/var/lib/ntp/proc/4824/fd': No such file or directory du: `/proc/4824/task': No such file or directory du: `/proc/4824/fd': No such file or directory 11G /windows 11G /windows/C 13G /home/person/XXX 17G /tmp/rMD-session-6531 22G /home 22G /home/person 49G / Command exited with non-zero status 1 1.21user 9.90system 3:27.42elapsed 5%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2820minor)pagefaults 0swaps person@NOVELLDESK:~>
Now, from the output, we can see that junk file with path /tmp/rMD-session-6531 uses 17 GB of my root partition. We can delete it using the ‘rm’ command after doing double check.
person@NOVELLDESK:~>rm -rf /tmp/rMD-session-6531
- In command “grep “^[0-9]*[X]” ” you can replace ‘X’ with ‘G’ ‘K’ and ‘M’, according to your needs to get File/Directory in Gigabytes,Kilobytes and Megabytes sizes.
- You can observe errors on the screen, that you can redirect to some file for later observation. For this requirement, our new command would be:
person@NOVELLDESK:~> sudoo time du -ah / 2> errors.txt| uniq | grep "^[0-9]*[G]" | sort -g -n
- If you want a Top 10 sorted list of large space used files/directories Gigabytes sizes, then you can use the below magic command. Also follow note 1 for, Kilobytes and Megabytes sizes.
sperson@NOVELLDESK:~>udo du -ah /tmp 2> errors.txt | uniq | grep "^[0-9]*[G]" | sort -r -g -n | head -n10
That’s all for now…