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