Enterprise Linux: Common GUI / X-Window Issues
(Doc ID 418963.1)
Last updated on MARCH 12, 2021
Applies to:Linux OS - Version Enterprise Linux 4.0 and later
Oracle Cloud Infrastructure - Version N/A and later
***Checked for relevance on 24th-Jun-2013***
This note provides an overview of the Linux X-Windows System and discusses how to resolve basic X-Windows related issues on Enterprise Linux.
The note is primarily intended for Enterprise Linux System Administrators seeking to understand and resolve X-Windows related issues on Enterprise Linux.
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In this Document
|The X Window System - What is it?|
|The Main Players|
|Configuration and Log File Locations|
|Configuration Issues - Basic Things You Can Try|
|Common Problems and Solutions|
|1. I did not install the X-Window System during initial Linux install - how can I install it now?|
|2. How to get a graphical login all the time until the next reboot?|
|3. When logging into the GNOME environment, I get a warning saying that I'm already logged in.|
|4. When attempting to shut own the system from the Gnome logout menu, a window with a red 'X' appears. Likewise, when I try to shut off the machine using 'halt', 'poweroff' or 'shutdown' I get other errors.|
|5. How do I mount/unmount CD-ROM/DVD/floppy disks?|
|6. The X-Server seems to have crashed - there is no Enterprise Linux login screen, just a command prompt.|
|7. The keyboard shortcuts seem to have changed - what are the new shortcuts?|
|8. How to run a graphical clock on the desktop?|
|9. I ran startx, but all I get is a black screen - What should I do?|
|10. When I run startx, I get errno 111 - What does this mean?|