netselect-apt

Create a sources.list file for a Debian mirror with the lowest latency. More information: https://manpages.debian.org/buster/netselect-apt/netselect-apt.1.html.

Create sources.list using the lowest latency server:

sudo netselect-apt

Specify Debian branch, stable is used by default:

sudo netselect-apt {{testing}}

Include non-free section:

sudo netselect-apt --non-free

Specify a country for the mirror list lookup:

sudo netselect-apt -c {{India}}