![]() I will just continue to ignore tho until I have some spare time to research. I haven't rebooted again yet, I am curious to see if I continue to get the message about no display manager selected. When I rebooted I got a message that no display manager was selected (which I ignored) and everything seems to be OK now, the "normal" desktop display appeared and everything seems to work fine. Some places I saw mentioned that you needed to run sudo dpkg-reconfigure lightdm, but this only took me back to the popup screen to let me choose which display manager to use. Kandy's solution above worked for me, with a couple of small adjustments:Īlt+ F2 to get to a prompt as the boot cycle is ending (it looks like your desktop display is about to start) sudo apt updateĪt the end of the lightdm install it popped up a screen to give me the choice of using either lightdm or gdm3, I picked lightdm. I had the same issues with gdm3, it simply would not start after installing ubuntu-desktop. Now yum command will download all required packages from the internets or RHN if you are using. However, I had done manual edits to at least one /etc/pam.d/common-* file, in which case pam-auth-update aborts if "-force" is not specified. To install Gnome on a RHEL 7 or CentOS Linux 7 server for operating network infrastructure services, with a GUI, enter: sudo yum groups install 'Server with GUI'. My theory on the real problem is that pam-auth-update is run during some package installs and it would have added pam_systemd to /etc/pam.d/common-session. I fixed it by adding this line to /etc/pam.d/gdm-launch-environment: session optional pam_systemd.so ![]() The gdm3 service just keeps trying to start gdm-x-session over and over again, flooding syslog. Gdm-x-session: Could not register display: GDBus.Error.AccessDenied: No display available Gdm3: GdmManager: Error while retrieving session id for sender: Error getting session id from systemd: No data available You can start the desktop environment using the startx command. Gdm3: GdmManager: trying to register new display If you restart the server, it will open the terminal again. It enforces rules on files and processes in a Linux system, and on their. Gdm-x-session: could not fetch environment: GDBus.Error.Spawn.ChildExited: Process 1 exited with status 1 Installing Gentoo works a bit differently than other Linux distributions. usr/lib/gdm3/gdm-x-session: dbus-daemon: Activated service '1' failed: Process 1 exited with status 1 ![]() This error in syslog finally lead me to my solution: (EE) systemd-logind: failed to get session: PID 10023 does not belong to any known sessionĪs a result of that error, gdm-x-session fails further along in the gdm3 start up process and aborts: /usr/lib/gdm3/gdm-x-session: dbus-daemon: Activating service name='1' requested by ':1.0' (uid=136 pid=2849 comm="/usr/lib/gdm3/gdm-x-session gnome-session -autost" label="unconfined")
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