deb http://repos.uo.edu.cu/ubuntu xenial main restricted universe multiverse
deb http://repos.uo.edu.cu/ubuntu xenial-updates  main restricted universe multiverse
deb http://repos.uo.edu.cu/ubuntu xenial-security  main restricted universe multiverse
deb http://repos.uo.edu.cu/ubuntu xenial-backports  main restricted universe multiverse
###Ubuntu Canonical
deb http://repos.uo.edu.cu/ubuntu-canonical xenial partner