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