Get:1 http://archive.ubuntu.com/ubuntu xenial InRelease [247 kB]    
Ign:2 http://archive.canonical.com/ubuntu precise InRelease                   
Hit:3 http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu xenial InRelease   
Hit:4 http://archive.canonical.com/ubuntu precise Release                      
Hit:5 http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu trusty InRelease    
Hit:7 http://archive.ubuntu.com/ubuntu xenial-updates InRelease                
Hit:8 http://archive.ubuntu.com/ubuntu xenial-security InRelease
Hit:9 http://archive.ubuntu.com/ubuntu xenial-backports InRelease
Fetched 247 kB in 3s (66.7 kB/s)
Reading package lists... Done
W: http://archive.canonical.com/ubuntu/dists/precise/Release.gpg: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)