Automagic Kernel Cleaning under Ubuntu
Andrew Bolster
Data Scientist at Alert Logic, Founder/Director at Farset Labs
Sick of having dozens of old kernels sitting under your /boot/ dir? Want a simpler boot-life? Well we’ve got the solution for you.
Just one course of cleankernel once an upgrade cycle will remove all previous kernel entries from your bootloader and /boot/ dir.
Basically, it lists what kernels you currently have in your /boot/ and removes them using apt .