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Ubuntu - Purge old kernels
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| uname -a | |
| dpkg --list | egrep -i --color 'linux-image|linux-headers|linux-modules' | awk '{ print $2 }' > kernels.txt | |
| grep -v $(uname -r) kernels.txt > kernels_to_delete.txt | |
| # Verify current kernal version is not in the list | |
| grep $(uname -r) kernels_to_delete.txt | |
| cat kernels_to_delete.txt | xargs sudo apt purge -y | |
| sudo apt autoremove |
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