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Old 04-21-2009, 06:44 AM   #1
Guardian-Mage
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BYE Clock skew detected. Check the clock on the file server


When I telnet localhost imap and try to login I get

BYE Clock skew detected. Check the clock on the file server

How I the linux time protocol or whatever installed, all my files are on one hard drive, and I've tried some debugging techniques. My courier version is courier-imap-4.2.1-1.i386 and I've looked, and none of my users have the same uid that I can see.

date && touch test && stat test
Code:
[vmail@cl-t112-271cl ~]$ date && touch test && stat test
Tue Apr 21 07:12:03 EDT 2009
  File: `test'
  Size: 0               Blocks: 0          IO Block: 4096   regular empty file
Device: 305h/773d       Inode: 72450050    Links: 1
Access: (0664/-rw-rw-r--)  Uid: ( 5000/   vmail)   Gid: ( 5000/   vmail)
Access: 2009-04-21 07:12:03.000000000 -0400
Modify: 2009-04-21 07:12:03.000000000 -0400
Change: 2009-04-21 07:12:03.000000000 -0400

Could it be caused if courier is running on a different user that the owner of my virtual mail users folder?

Last edited by Guardian-Mage; 04-21-2009 at 07:14 AM.
 
Old 04-21-2009, 07:15 AM   #2
datopdog
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Code:
yum install ntp
echo "ntpdate -s 0.centos.pool.ntp.org" > /etc/cron.hourly/time_sync
/etc/init.d/crond reload
 
Old 04-21-2009, 07:21 AM   #3
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That did not work

Code:
[root]/home # echo "ntpdate -s 0.centos.pool.ntp.org" > /etc/cron.hourly/time_sync
[root]/home # /etc/init.d/crond reload
Reloading cron daemon configuration:                       [  OK  ]
ntp-4.2.2p1-9.el5.centos.1.i386 is the ntp version I have
 
Old 04-21-2009, 07:22 AM   #4
datopdog
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Run this on the command line /etc/cron.hourly/time_sync
 
Old 04-21-2009, 07:26 AM   #5
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First I had to run chmod +x on it, then I ran it, and I still get the error.
 
Old 04-21-2009, 07:27 AM   #6
datopdog
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Quote:
Originally Posted by Guardian-Mage View Post
First I had to run chmod +x on it, then I ran it, and I still get the error.
Did you restart courier to get it to use the new time ?
 
Old 04-21-2009, 07:29 AM   #7
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I restarted both imap and auth daemons

Code:
[root]/etc/cron.hourly # /etc/init.d/courier-authlib restart
Stopping Courier authentication services: authdaemond
Starting Courier authentication services: authdaemond
[root]/etc/cron.hourly # /etc/init.d/courier-imap restart
Stopping Courier-IMAP server: imap imap-ssl pop3 pop3-ssl
Starting Courier-IMAP server: imap imap-ssl pop3 pop3-ssl
[root]/etc/cron.hourly # telnet localhost imap
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
* OK [CAPABILITY IMAP4rev1 UIDPLUS CHILDREN NAMESPACE THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT QUOTA IDLE ACL ACL2=UNION STARTTLS] Courier-IMAP ready. Copyright 1998-2005 Double Precision, Inc.  See COPYING for distribution information.
01 LOGIN brandon@sabotix.com <password removed>
* BYE Clock skew detected. Check the clock on the file server
Connection closed by foreign host.
[root]/etc/cron.hourly #
 
Old 04-21-2009, 10:48 AM   #8
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Wow. The precompiled rpms were the problem. I compiled from source and it works great now
 
  


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