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Old 12-12-2013, 01:59 PM   #1
yaximik
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Please help! Login failed


I rebooted my box this morning (RHEL5.8, 64 bit) and tied to log in as a regular user, but got this message:

GDM could not write to your authorization file. This could mean that you are out of disk space or that your home directory could not be opened for writing. In any case, it is not possible to log in. Please contact your system administrator.

When I log in as root, my user home directory has plenty of space (>1TB out of >2TB), it can be opened and accessed. I can login from the command line
Code:
su - yaximik
and this puts me into my home directory.

Please help to identify and fix the problem.
 
Old 12-12-2013, 02:09 PM   #2
Habitual
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Code:
sudo df -hT
output please
 
Old 12-12-2013, 09:15 PM   #3
SAbhi
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known error..
cause: full disk space either on /home /tmp or Desktop may have large amount of data that filled the disk space.
Code:
df -hT
would sure of a help as in above comment.
 
1 members found this post helpful.
Old 12-13-2013, 12:09 PM   #4
yaximik
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Code:
[root@G5NNJN1 ~]# df -hT
Filesystem    Type    Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
              ext3     62G  2.0G   57G   4% /
/dev/sda3     ext3    244M   32M  199M  14% /boot
tmpfs        tmpfs     48G     0   48G   0% /dev/shm
/dev/mapper/VolGroup00-LogVol02
              ext3    124G  5.1G  113G   5% /usr
/dev/mapper/VolGroup00-LogVol03
              ext3    124G  118G     0 100% /tmp
/dev/mapper/VolGroup00-LogVol04
              ext3     62G  4.3G   55G   8% /var
/dev/mapper/VolGroup01-HomeVol
              ext3    3.6T  1.3T  2.2T  38% /home
/dev/sde1     ext3    1.8T  765G  977G  44% /media/FantomHD2
/dev/sdf1     ext3    1.8T  1.3T  503G  72% /media/Ext2TB-A
/dev/sdg1     ext3    1.8T  397G  1.4T  23% /media/Ext2TB-B
/dev/sdd1     ext3    1.8T  196G  1.6T  12% /media/FantomHD
So it looks like /tmp is full, but why user login is affected but not root login? My tmp directory (home/yaximik/tmp) is actually very small (164 KB).
Content of the /tmp:
Code:
classload-1386040376302             scim-panel-socket:0-root
classload-1386870482953             scim-panel-socket:1-yaximik
FLEXnet                             scim-panel-socket:2-root
gconfd-root                         scim-panel-socket:3-yaximik
gconfd-yaximik                      scim-panel-socketlocalhost:1-yaximik
hsperfdata_root                     scim-socket-frontend-root
hsqldb.pWX20158                     scim-socket-frontend-yaximik
keyring-4CnvIE                      sfcbLocalSocket
keyring-okmESR                      sosreport-VYamshchikov.886856705-109849-bf3056.tar.bz2
keyring-wdc2BX                      sosreport-VYamshchikov.886856705-109849-bf3056.tar.bz2.md5
mapping-root                        ssh-HKGwns9780
mapping-yaximik                     stapsSmFXi
orbit-root                          tmp-df57426a-e506-477d-9d56-9fc8f77f3ad0
scim-helper-manager-socket-root     virtual-root.1pTyw8
scim-helper-manager-socket-yaximik
Can someone pls advise what can be safely deleted?
 
Old 12-13-2013, 12:38 PM   #5
yaximik
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[SOLVED] Please help! Login failed

The /tmp directory contained a 127GB chunk of a database backup file that was created just prior the problem happened, which filled it up. After deleting it everything is back to normal. Thanks for help!

The question still remains - why user login, but not root login is affected afer filling up /tmp?
 
Old 12-14-2013, 02:11 AM   #6
SAbhi
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The reason for this lies deep in the usage of /tmp, why it is created and how it has a significant role in the file system hierarchy.

IT contains various files those are temporarily generated for being used by programs to run. root is independent but not normal users they need a place to write their temp data and hence results in login failure when they are not able to do that.
 
  


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