Apt Ash Sum Mismatch




en it
Sometimes, like it happens for me, you get a subtle 

Err:25 [protocol]://mirror.xyz.foo/ftp/mirror/ubuntu [version]-updates/main amd64 DEP-11 Metadata                                    
  Hash Sum mismatch

when trying to update/upgrade your distro. Apparently this is a known bug also reported in ask ubuntu. However, before going drastic and try the solution provided and accepted in ask ubuntu you can try to simply clean the apt caches (which worked like a charm 90 times out of 100 for me) : 

sudo apt-get clean && sudo apt-get update