On Sun 10 Dec 2017 at 18:25:26 -0500, Gene Heskett wrote: > apt can't do a show --uninstalled on the stretch machine, and the man > page isn't offering much either, so to see whats available, I have to go > to its own keyboard and run synaptic-pkexec. The apt man page isn't unhelpful. For available packages which are not installed: apt list --all-versions | grep -v installed | less -- Brian.