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Hit:1 http://mirror.steadfast.net/ubuntu xenial InRelease
Hit:2 http://mirror.steadfast.net/ubuntu xenial-updates InRelease
Hit:3 http://mirror.steadfast.net/ubuntu xenial-backports InRelease
Hit:4 http://mirror.steadfast.net/ubuntu xenial-security InRelease
Hit:5 http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu xenial InRelease
Hit:6 http://archive.canonical.com/ubuntu xenial InRelease
Reading package lists...
Building dependency tree...
Reading state information...
All packages are up to date.