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Remove old kernels and free space on linux

Occasionally updates are leaving your Linux kernel will recommend installing from the update manager. Previous versions of the kernel does not uninstall if you see errors or problems which you just installed. In the GRUB menu incorporate the available versions. As time goes on and updates the list increases may be too long, and if the new kernel did not give us problems, it makes no sense to keep the old versions, then we can send them to heaven of the kernels, heh.
Here:

# To see a list of packages with the older kernel type:

   $ dpkg - get-selections  Where 
  package is the name of the kernel for example  · Linux-image-2.6.1932-23-generic 

¨

 EYE !!!!!!!     

NOT uninstall the kernel-image-generic linux
because it is necessary to receive updates of the kernel.
# If the package is updated to remove not going to ask you not to let loose update any dependencies: # In case not want to update, to remove type:

$ sudo aptitude purge package

$ sudo aptitude remove package

 but it can not delete compressed files from the old kernels, for that check in / boot if it were eliminated, but will have to do it by hand with a simple command rm   

After this cleaning, not only will be better your list of GRUB, but also will be free disk space as each kernel package occupies much space.

   I hope this  Salu2