Script for Removing Old Kernels and Linux Headers

This oneliner removes all the unused kernels and headers, on Ubuntu, Linux Mint, Knoppix or Debian Systems.

$ dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d' | xargs sudo apt-get -y purge

If you want to get free space and regularry delete the kernels and headers that you don’t need, run this oneliner monthly with cron.

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