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willprice/remove_old_kernels.sh

Created September 9, 2019 09:33
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Remove old kernels from ubuntu
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remove_old_kernels.sh
#!/bin/bash
set +ex
KEEP_LAST_N=2
OLD_KERNELS=$(dpkg -l | grep -i 'linux-image-[[:digit:]]' | awk '{ print $2 }' | sort -rV | tail -n "+$(($KEEP_LAST_N + 1))")
if [ -n "$OLD_KERNELS" ]; then
apt-get -qy remove --purge $OLD_KERNELS
fi
apt-get -qy autoremove --purge
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