deb http://repos.uclv.edu.cu/debian stretch main non-free contrib
deb http://repos.uclv.edu.cu/debian stretch-updates main non-free contrib
deb http://repos.uclv.edu.cu/debian-security stretch/updates main non-free contrib

#Opcionales
deb http://repos.uclv.edu.cu/debian stretch-proposed-updates main non-free contrib
deb http://repos.uclv.edu.cu/debian stretch-backports main non-free contrib