~$ sudo apt-get update
Get:1 http://archive.ubuntu.com/ubuntu xenial InRelease [247 kB]               
Get:2 http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu xenial InRelease [17.5 kB]
Hit:3 http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu trusty InRelease    
Hit:4 http://archive.ubuntu.com/ubuntu xenial-updates InRelease
Hit:5 http://archive.ubuntu.com/ubuntu xenial-security InRelease
Hit:6 http://archive.ubuntu.com/ubuntu xenial-backports InRelease
Fetched 264 kB in 4s (59.0 kB/s)
Reading package lists... Done