On Thu 20 Apr 2017 at 07:11:53 (-0700), Larry Dighera wrote: > What I have discovered thus far, is that Debian wants to launch X11 by > default, instead of the command line UI. That appears to result in a black > screen with a frozen system. > > At this point, I have no idea of the correct way to boot to the command line > interface, so I temporarily renamed lightdm, and now it boots to the command > line interface apparently after X11 fails to launch. So, it appears that it > is X11 that has possible issues with the hardware or is misconfigured. > Perhaps there is something in X11's /var/log file that will provide a clue > about why it was failing to successfully launch. > > So, it appears that grub is correctly configured after all. > > What is the correct way to configure the system to boot to the command line > UI instead of X11? Do I need to edit things, or add files to, /etc/rc.d > someplace? Or is there a higher-level way to tell systemd that I prefer to > manually launch X11?
For jessie/systemd, # systemctl set-default multi-user.target and, to revert, # systemctl set-default graphical.target Removing the display manager was, I think, the old way. Not installing one, OTOH, is still the normal way if you don't want a DE (like me). > I'm aware that running the startx script is a reasonable way to launch X11 > when I want it, but I'll have to diagnose its issue(s) first. My past > familiarity with AT&T Unix from the early '80s through the '90s was pre-X11, > so I'm going to have to learn how to administrate X11 now I suppose. > > I sincerely appreciate your kind efforts in guiding me. I gives me the > motivation to continue spending the time to get Jessie up on the new Udoo > X86 platform. There are several recent threads in this list about getting the right video drivers and X servers installed. Most of it goes over my head because my hardware is so old. Cheers, David.