How many kernels do I have installed? (and what to do with them)

[lah7]

If you wish to remove older kernels (such as needing to free up space), see this post with a one liner command:

My feedback after using ubuntu mate 15 04 for 3 months

This one liner can purge all old kernels except for the one currently running. sudo apt-get remove --purge $(dpkg -l 'linux-image-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d') Source Does the trick all the time. Can free up hundreds of MBs too if many still remain. Always take caution removing old kernels, and double check the packages being removed are actually kernel packages (I’ve not had a problem with the comman…

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