Sometimes your system may display an error code indicating an error in the ubuntu revocation authorization file .xauthority. This error can be caused by a number of reasons.

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I have another answer to a concern that bothered me before I raised this issue. As I later guessed, the problem is considered a bug in Fedora OS and its derivatives. If the accepted answer does not indicate a problem and / or you cannot use Fedora, RedHat, Korora, etc., this will not be reported.

As slm said, running strace will probably indicate a specific problem, but choosing this error will output differently:

  list $ strace xauth ...  stat64 ("/ home / USER / .0xbff23280) xauthority-c", = -1 ENOENT (not the same file or directory)  open ("/ home / USER / .Xauthority-c", O_WRONLY | O_CREAT | O_EXCL, 0600) = -1 EACCES (authorization denied)  rt_sigprocmask (SIG_BLOCK, [CHLD], [], 8) implies 0  rt_sigaction (SIGCHLD, NULL, SIG_DFL, [], 0, 8) = 0  rt_sigprocmask (SIG_SETMASK, [], NULL, 8) = 0 Nano-sleep (2, 0, 0xbff232c8) = 0  open ("/ home / USER / .Xauthority-c", O_WRONLY | O_CREAT | O_EXCL, 0600) = -1 EACCES (authorization denied)  rt_sigprocmask (SIG_BLOCK, [CHLD], [], 8) means 0  rt_sigaction (SIGCHLD, NULL, SIG_DFL, [], 0, 8) = 0  rt_sigprocmask (SIG_SETMASK, [], NULL, 8) = 0 Nano-sleep (2, 0, 0xbff232c8) = 0  open ("/ home / USER / .O_WRONLY | O_CREAT | O_EXCL, xauthority-c", 0600) = -1 EACCES (authorization denied)  ... 

For clarity, this EACCES return value denies authorization. This is often different from theUser slm’s emails, the best place he had an EEXIST return marketer means the file exists. So all the return code for EACCES is obviously, the first thing you are currently checking is: are my personal permissions set, probably so I can write as my home directory? You must first check if the home directory write flag is enabled for the home user. If you do this, you may fall prey to the error described below.

After doing a Google search together, I was confident enough to find someone with a similar problem. This resulted in an error message for me and Fedora. For those who care, read the information on it: https://bugzilla.redhat.com/show_bug.cgi?id=772992

  # confirm you're not crazylist $ xauth  / usr / bin / xauth: close timeout in authority file /home/USER/.Restorecon xauthority# Reset everything with Return$ / sbin / restorecon -v -volts /home/USER/.Xauthority$ / sbin / restorecon -v -v -R / home / USER /# Quit the computer's remote help systemoutput $ 

If you are going to use SSH again, keep in mind that this advantage will be fine and you will be in the market You will be able to successfully broadcast your X session.

EDIT (and New Alternative Workarounds):

To be as complete as possible, other users actually stated in a bug report that your current fix above did not work for them – it did, which might work for me. Another attempt to work around the problem could have been (I have not personally tested this workaround):

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  # setsebool -P use_nfs_home_dirs 1 

Someone is putting something in GDM that I have no idea about. If that means to you, I recommend that you read the BugZilla article and see if you care about its comments.

If you start connecting using ssh, you should see an error similar to the following in the history log

• Not enough disk space: If your carrier has a disk quota or if the disk is full, the xauth scheme cannot be propagated in the .Xauthority file. Try to free up space on your system.
• Invalid file permissions: file permissions for .Xauthority must be 600 (read and write, for users ONLY). Any other permission on the file will cause xauth to reject the file

As a last resort, you can define that The .Xauthority file has been completely removed. The file will be recreated on next login with ssh

Angus Gepp

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