Proxying Apt Repository

Master & Worker Nodes

pi@ribbon:/etc/apt $ pwd
/etc/apt
pi@ribbon:/etc/apt $ sudo cat sources.list
deb https://nexus.bierochs.org/repository/raspbian-buster/ buster main contrib non-free rpi
#deb http://raspbian.raspberrypi.org/raspbian/ buster main contrib non-free rpi
# Uncomment line below then 'apt-get update' to enable 'apt-get source'
#deb-src http://raspbian.raspberrypi.org/raspbian/ buster main contrib non-free rpi
pi@ribbon:/etc/apt $ sudo apt update && sudo apt full-upgrade