CentOS 5 :: Error - No Suitable Server For Synchronization
Jan 22, 2010I have started ntpd service with chkconfig ntpd on .When i execute : ntpdate 0.pool.ntp.org , then i get error :
No suitable server for synchronization .
I have started ntpd service with chkconfig ntpd on .When i execute : ntpdate 0.pool.ntp.org , then i get error :
No suitable server for synchronization .
I cant get ntpd to synchronize with the ntp servers. I have a CentOS 5.3 32 bit Virtual Machine. I'm in USA on Pacific Standard Time. Here's all configuration and other important information for troubleshooting. Is there anything wrong with my config? btw, I used wireshark to look at the UDP packets - I dont get any responses from any of the servers back. I only see requests going out from my server, but no response. Is this a firewall Issue? If it is, then do I need to just enable UDP port 123 on the firewall?
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i had tried several restrict options and disabling the slackware "no serve to anyone" default. i want the slackware system to host the ntp server for other devices to sync with so im not so hard on the remote ntp servers.
Code:
# Sample /etc/ntp.conf: Configuration file for ntpd.
#
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I am having a situation with an NTPD server.
Code:
remote refid st t when poll reach delay offset jitter
plesk2.datacent .INIT. 16 u - 64 0 0.000 0.000 0.000
91.198.87.118.b .INIT. 16 u - 64 0 0.000 0.000 0.000
core.fr.zeroloo .INIT. 16 u - 64 0 0.000 0.000 0.000
178-26-105-100- .INIT. 16 u - 64 0 0.000 0.000 0.000
and it remains so no matter how long I wait...
Hoping to get better results with ntpdate, I stopped NTPS and tried :
Code:
# ntpdate ntp.skynet.be
29 Mar 09:12:26 ntpdate[4715]: no server suitable for synchronization found
# ntpdate -ud ntp.skynet.be
29 Mar 09:14:02 ntpdate[4814]: ntpdate 4.2.4p4@1.1520-o Sun Nov 22 16:14:35 UTC 2009 (1)
transmit(195.13.23.5)
receive(195.13.23.5) .....
I am running Debian Lenny 64b, and every packages are totally updated. I have 25 identical servers. And there is just one giving me this problem. From what I see, it is not a connection/FW issue since ntpdate get replies from the ntp server (ntp.skynet.be is my isp's stratum 2 ntp server).
I can't update my ubuntu clock with my server. If i run the command ntpdate domain.local, it gives me this erro (no server suitable for synchronization found) if i run the command nslookup domain.local it works well and found my server
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Running Transaction
Installing : kernel-xen [1/1]
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current kernel:
2.6.18-128.4.1.el5xen #1 SMP Tue Aug 4 21:33:24 EDT 2009 i686 i686 i386 GNU/Linux
#cat /boot/grub/grub.conf
# grub.conf generated by anaconda
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also could it be because running kernel is removed?also could it be because of LABEL entry, not /dev/... ( as i found out it was such bug, some years time ago)
I'm having difficulties with ntpd on my CentOS 5.6 install.
It all starts well; the server connects and synchronizes with a couple of public ntp servers:
[root@toro ~]# ntpq -p
remote refid st t when poll reach delay offset jitter
==============================================================================
+ntp.networking4 193.67.79.202 2 u 1 64 377 35.652 47.102 12.349
*deepthought.doc 131.188.3.223 2 u 2 64 377 29.010 44.358 11.585
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By the way, is there a step by step guide to install XFS file system and other related components on CENTOS 5.3,
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checking whether we are using gcc... yes
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The install Guide im using: [URL]
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I would like to know how to install a webmail server and a suitable client to help connect to it that is compatible with both windows and linux ubuntu.
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I try to install SSMTP mail server on Centos 5.4 and I have a following error >>
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then i see the textmode and type in "startx" and "init 5" but nothing happens but i can see this:
[root@server004 ~]# startx
xauth: creating new authority file /root/.serverauth.2896
Fatal server error: Server is already active for display 0
If this server is no longer running, remove /tmp/.X0-lock and start again.
Xlib: connection to ":0.0" refused by server
Xlib: Invalid MIT-MAGIC-COOKIE-1 key
giving up.
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Here is what dig gives me:
If I use google DNS I get the correct response:
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[root@2rem .vnc]# vncserver :1 -name 2rem -depth 16 -geomatry 800x600
You will require a password to access your desktops.
Password:
Verify:
xauth: creating new authority file /root/.Xauthority
Unable to start Xvnc, exiting
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--> php53-common conflicts with php-common
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You could try using --skip-broken to work around the problem
You could try running: package-cleanup --problems
package-cleanup --dupes
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When i run the command:
It shows output as: