Complete removal of old Linux images

• http://askubuntu.com/questions/2793/how-do-i-remove-old-kernel-versions-to-clean-up-the-boot-menu

Removing old Kernels

Install Synaptic package manager:

sudo apt-get install synaptic

Show your current kernel, this is the one you need to keep at minimum:

uname -r

linux-image-3.13.0-125-generic

Remove older kernels:

1. Start synaptic.
2. Search for 'linux-image'
3. Filter for installed packages
4. (multi) select the packages with names like 'linux-image-3.13.0-125-generic'. Do NOT select your current or newer kernels. You might want to keep one older version as well.
5. Right-click a kernel and choose 'Complete removal'. Related packages will be selected automatically.
6. Click the Apply button. It might take some time to complete

Remove corresponding headers:

• Repeat this search and complete removal for 'linux-headers' with names like 'linux-headers-3.13.0-125'. Again, do NOT select your current or newer kernels.

Why

Reasons why you might want to do this:

• free up some disk space, could be some Gb-s
• speed-up grub updates