Debian GNU/Linux 10 _Lithium sources.list

sudo apt edit-sources

#

deb https://deb.debian.org/debian buster main non-free contrib
# deb-src https://deb.debian.org/debian buster main non-free contrib

## Debian security updates
deb https://deb.debian.org/debian-security buster/updates main contrib non-free

# buster-updates, previously known as ‘volatile’
deb https://deb.debian.org/debian buster-updates main contrib non-free
# deb-src https://deb.debian.org/debian buster-updates main contrib non-free