Further to this, all of the supported versions can be supported by a single command
Code:
deb http://buildbot2.highlab.com/debian/ bookworm 2.9-uspace" | sudo tee -a /etc/apt/sources.list.d/linuxcnc.list
just change bookworm to bullseye etc and 2.9-uspace to master-uspace to choose between 2.9 and master
Ref:
buildbot2.highlab.com/
and this PR
github.com/LinuxCNC/linuxcnc/pull/2529