How to delete a non-working kernel after update?

[hubsinfo]

To safely remove the unwanted kernel, open a terminal session and run the command:
Find the kernel package name

Code: [Select]

dpkg -l | grep 3.19.0-31

On amd64/x86_64 it is linux-image-3.19.0-31-generic.
Remove (purge - remove all configuration files as well)

Code: [Select]

sudo apt-get purge linux-image-3.19.0-31-generic