Cleaning linux servers via terminal to free space

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Find relevant folders to clean:

du -h -d1 / | sort -hr

Remove or truncate unneeded files via rm or truncate commands.

Remove old kernels that are unneeded via:

sudo apt-get autoremove --purge

https://help.ubuntu.com/community/RemoveOldKernels

Also clean unneeded packages:

apt-get -y autoremove
apt-get -y autoclean

 

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