I believe that only works if you're using X.Org. In Wayland that kind of thing does not exist. --Francisco On Sat, 2019-05-04 at 02:46 +0200, An Liu wrote: > > HI， > short answer is yes，you can have both emacs displayed in GUI > > i think the problem is when you switch to goo，the auth to DISPLAY is > lost > > it depends much on how you switch to goo from foo > > btw， > i guess you login to foo with display-manager such as gdm or something > alike，and switch to goo with su > > serveral ways > a little tricky but simple to work > 1. switch to goo via ssh -X goo@localhost > 2. try to start emacs in this session > > > the 2nd one is to use xauth to deal with X permission > > 1. as foo > echo $DISPLAY （typically you will get :0） > xauth list （remember the hexcode ）let's say $hex > 2. as goo > export DISPLAY=:0 （or what you actually get in 1） > xauth add :0 . $hex （easiest way is just do a copy-and-paste） > 3. try to start emas in this session > > > you can also use “xauth merge” or “xhost”，but the principle is the > same > > > On Fri, May 3, 2019 at 23:14 aprekates <aprekates@posteo.net> wrote: > > hi. in debian 9 i start emacs as user foo from the terminal and > > the > > gui start up. i start emacs from the terminal as another user goo > > and > > the text version comes. > > > > Can both users have their own gui emacs sessions ? > > > > > > Alexandros > > > > > > -- > Liu An -- -- []'s, Francisco M Neto <fmneto@fmneto.com.br> GPG: 4096R/D692FBF0
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