I am trying to install oracle db and EM using GUI on the server, the server has been newly installed with Oracle Linux 7.3.
When I use ssh to login the server from my PC, everything works fine, and the GUI works fine in the server's local monitor too. But when when I try to login GUI from my PC, I get an error from a pop-up window :
"Oh no! Something has gone wrong. a problem has occurred and the system can't recover please log out and try again".
The information in shell is :
[root@OEM13c ~]# gnome-session
gnome-session-is-accelerated: No composite extension.
gnome-session-check-accelerated: Helper exited with code 256
gnome-session-is-accelerated: No composite extension.
gnome-session-check-accelerated: Helper exited with code 256
** (process:21448): WARNING **: software acceleration check failed: Child process exited with code 1
I has used secure CRT and Xmanager to log into another server's GUI( with Oracle Linux R5U11) from my PC, it works fine, and X server seems fine too.
I had choosed "minimal install" during installation of Oracle Linux 7.3 and installed "Server with GUI" afterwards.
[XXXXX@OEM13c ~]$ yum grouplist
Loaded plugins: langpacks, ulninfo
ol7_latest 18884/18884
Installed Environment Groups:
Server with GUI
Available Environment Groups:
Minimal Install
Infrastructure Server
File and Print Server
Basic Web Server
Virtualization Host
Available Groups:
Compatibility Libraries
Console Internet Tools
Development Tools
Graphical Administration Tools
Legacy UNIX Compatibility
Scientific Support
Security Tools
Smart Card Support
System Administration Tools
System Management
Done
Would anyone have ideas how to solve this problem? thank you very much.
PS: I found "gnome-panel" is missing in 7.3 compared to R5.