Proxmox 7
cat > /etc/apt/sources.list << 'EOF'
deb http://repos.uclv.edu.cu/debian bullseye main non-free contrib
deb http://repos.uclv.edu.cu/debian bullseye-updates main non-free contrib
deb http://repos.uclv.edu.cu/debian-security bullseye-security main non-free contrib
#Opcionales
deb http://repos.uclv.edu.cu/debian bullseye-proposed-updates main non-free contrib
deb http://repos.uclv.edu.cu/debian bullseye-backports main non-free contrib
EOF
cat > /etc/apt/sources.list.d/proxmox-uclv.list << 'EOF'
deb http://repos.uclv.edu.cu/proxmox bullseye pve-no-subscription
EOF
cat > /etc/apt/sources.list.d/ceph-uclv.list << 'EOF'
deb http://repos.uclv.edu.cu/proxmox/ceph-nautilus buster main
deb http://repos.uclv.edu.cu/proxmox/ceph-octopus buster main
deb http://repos.uclv.edu.cu/proxmox/ceph-octopus bullseye main
EOF
sed -i -e 's/^deb/#deb/' /etc/apt/sources.list.d/pve-enterprise.list
apt update
DEBIAN_FRONTEND=noninteractive apt upgrade -y
DEBIAN_FRONTEND=noninteractive apt install -y screen tmux telnet ftp inetutils-tools net-tools aptitude ntpdate mc -y
cat > /bin/ll << EOF
ls -al \$*
EOF
chmod +x /bin/ll
sed -i -e 's/^\/dev\/pve\/swap/#\/dev\/pve\/swap/' /etc/fstab