One Linux server has two timer

Posted by garconcn on Server Fault See other posts from Server Fault or by garconcn
Published on 2010-06-12T00:12:37Z Indexed on 2010/06/12 0:13 UTC
Read the original article Hit count: 627

Filed under:

linux

|

ntp

|

date

The time on one of our Linux box is very weird. Whenever I call date 3 times, the 4th call will give a wrong time(usually 1 hour later). I have setup cron to sync with ntp server. We have 20+ similar servers, only this one has this problem. Any idea? Thanks.

Linux 2.6.18-6-686 #1 SMP Thu Aug 20 21:56:59 UTC 2009 i686 GNU/Linux

:~# date Fri Jun 11 17:00:51 PDT 2010

:~# date Fri Jun 11 17:00:52 PDT 2010

:~# date Fri Jun 11 17:00:53 PDT 2010

:~# date Fri Jun 11 18:14:12 PDT 2010

:~# date Fri Jun 11 17:00:55 PDT 2010

:~# date Fri Jun 11 17:00:56 PDT 2010

:~# date Fri Jun 11 17:00:56 PDT 2010

:~# date Fri Jun 11 18:14:15 PDT 2010

:~# date Fri Jun 11 17:00:58 PDT 2010

:~# date Fri Jun 11 17:00:58 PDT 2010

:~# date Fri Jun 11 17:00:59 PDT 2010

:~# date Fri Jun 11 18:14:18 PDT 2010

:~# date Fri Jun 11 17:01:01 PDT 2010

:~# date Fri Jun 11 17:01:01 PDT 2010

:~# date Fri Jun 11 17:01:02 PDT 2010

:~# date Fri Jun 11 18:14:21 PDT 2010

:~# date Fri Jun 11 17:01:03 PDT 2010

:~# date Fri Jun 11 17:01:04 PDT 2010

:~# date Fri Jun 11 17:01:05 PDT 2010

© Server Fault or respective owner

Related posts about linux

apt-get install and update fail

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
I've got a problem with apt-get update and apt-get install ... commands . every time update or installing fails and errors are : Get:1 http://dl.google.com stable Release.gpg [198B] Ign http://dl.google.com/linux/chrome/deb/ stable/main Translation-en_US Get:2 http://dl… >>> More
kernel module compiling error

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
sh@ubuntu:/home/ccpp/helloworld$ make gcc-4.6 -O2 -DMODULE -D_KERNEL_ -W -Wall -Wstrict-prototypes -Wmissing-prototypes -isystem /lib/modules/`uname -r`/build/include -c -o hello-1.o hello-1.c hello-1.c:4:0: warning: "MODULE" redefined [enabled by default] <command-line>:0:0: note: this is… >>> More
Build-Essentials installation failing

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
I am having trouble accessing the several critical header files that show to be a part of the build process. The "Ubuntu Software Center" shows "Build Essentials" as installed: Next I did the following two commands, which did not improve the problem: ~$ sudo apt-get install build-essential [sudo]… >>> More
Updating Debian kernel

as seen on Super User - Search for 'Super User'
I'm trying to update my Debian machine to 2.6.32-46 (which is the new stable). However, after doing apt-get update my apt-cache search linux-image shows me: linux-headers-2.6.32-5-486 - Header files for Linux 2.6.32-5-486 linux-headers-2.6.32-5-686-bigmem - Header files for Linux 2.6.32-5-686-bigmem linux-headers-2… >>> More
Serial connection over a single USB cable (Windows to linux, or linux to linux)

as seen on Server Fault - Search for 'Server Fault'
I'm helping out with a project for an embedded device that only has USB and no serial. This device is running Linux. These days, when we need to connect to a serial port on a device we typically use a USB to serial adapter (on something like a phone system or a load balancing device, etc). I would… >>> More

Related posts about ntp

What units does the ntp drift file use?

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
When the ntpd daemon is running, the file: /var/lib/ntp/ntp.drift gets updated periodically. Example: 17:20 hostname 118 ~> ls -l /var/lib/ntp/ntp.drift -rw-r--r-- 1 ntp ntp 7 May 20 16:46 /var/lib/ntp/ntp.drift # So it looks like it was last updated ~34 minutes ago The file has one number… >>> More
Delay NTP Initialisation, Cisco 877W, IOS 12.4(24)T1

as seen on Server Fault - Search for 'Server Fault'
I have a Cisco 877W which I'm using for my home ADSL connection (and as a refresher in Cisco IOS). I've got a working config in-place with my PPPoA connection coming online correctly, and VLANs and other settings configured as I want them, but I can't crack the NTP configuration. For NTP, I have… >>> More
Ubuntu 12.10 Clock is wrong

as seen on Super User - Search for 'Super User'
I have an issue with Ubuntu Quantal, as it shows the wrong time. It is completely messy, the right time from time.is now is 09.43 and my clock shows 17.48. I am using ntp service and I already checked the timezone and it is correct. I also checked the hardware clock through sudo hwclock --showsudo… >>> More
NTP configuration in NEXUS Switch

as seen on Server Fault - Search for 'Server Fault'
i'm planning to change the NTP peer to 172.29.100.44,but i'm unable to delete the existing and add new peer NTP peer IP in Nexus switch,Please suggest me in removing the existing configuration. i have use the below commands to remove the peer,But still its not getting deleated from running configuration… >>> More
Problems setting NTP sever with w32tm for a DC that is a Hyper-V guest

as seen on Server Fault - Search for 'Server Fault'
Hello ! I have tried to sett my DC to get its time from several NTP severs. I follow this answer (http://serverfault.com/questions/24298/w32time-sync-problems-for-hyper-v-guests-w32time-event-ids-38-24-29-35/24299#24299) to do it. First I disable Time Synchronization in the Hyper-V Integration… >>> More