deb http://repos.uclv.edu.cu/ubuntu precise  main restricted universe multiverse
deb http://repos.uclv.edu.cu/ubuntu precise-updates  main restricted universe multiverse
deb http://repos.uclv.edu.cu/ubuntu precise-security  main restricted universe multiverse
deb http://repos.uclv.edu.cu/ubuntu precise-backports  main restricted universe multiverse
deb http://repos.uclv.edu.cu/ubuntu precise-proposed  main restricted universe multiverse