General :: CentOS 5.5 Is Rebooting Frequently Without Any Logs On The Server?
Feb 4, 2011
My server is rebooting frequently(4 to 5times a day) without any logs, can any one help me out to fined the cause for the unexpected reboots of the server. reboot system boot 2.6.18-194.3.1.e Fri Feb 4 15:16 (00:-24)
[root@elastix log]# cat /etc/redhat-release
CentOS release 5.5 (Final)
[root@elastix log]# uname -a
Linux elastix 2.6.18-194.3.1.el5 #1 SMP Thu May 13 13:09:10 EDT 2010 i686 i686 i386 GNU/Linux
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Feb 22, 2009
I have this server that runs Tomcat . this server sends mail with localhost as MTAthe local MTA is sendmail (with the default settings) . from time to time i have this strange thing and the emails it sends never reach the destination. the log shows it left the server , but looking at the logi see that the time on the log is wrong . sometime its correct and ometines its +2 hours. i guess this email are bounced at the destinationfor sending at future time . all this email that didnt reach the destination have this in common
Feb 22 15:47:44 BE00 sendmail[12969]: n1MDlikZ012969: from=<support@example.com>, size=5912, class=0, nrcpts=1,
msgid=<5269969.391235310464949.JavaMail.tomcat@BE00.example.com>, proto=ESMTP, daemon=MTA,
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Mar 1, 2010
OS CentOS 5.4 I have a DNS server that is logging all named and dns requests to the chrooted named directory. By default named logs to /var/log/messages but I want to isolate all the dns queries and requests to separate files. I know I can add entries to /etc/syslog.conf to "roll" the logs and logrotate should pick them up but fuzzy as to the syntax. I don't know what "tag" to use in the first fieild. for example
# Log anything (except mail) of level info or higher.
# Don't log private authentication messages!
*.info;mail.none;authpriv.none;cron.none/var/log/messages
Here is the logging section of my named.conf
# pwd
# /var/named/chroot/etc
logging
{
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Apr 22, 2009
I don't mind that apache logs "rotate". By that, I mean that periodically the most recent log is renamed "*.1" and the older logs are bumped up a number In my particular situation, I do mind that the log that was "*.4" is deleted rather than being renamed to "*.5" when that periodic renaming happens.
I know most of the other /var/log files have the same behavior. What does this? Can I change it so my apache logs are "rotated" up but aren't deleted? I know this will take some hard drive space, but I have a lot of it.
EDIT: CentOS 5.3, kernel 2.6.18-128.1.6.el5, Apache 2.2.3
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Jan 29, 2010
On our app server the logs from the Sybase Mobilink service get logged to /var/log because of that I did a chmod a+rx /var/log and all is well until.... the next day QA logs in goes to check the logs and gets:
Quote:
qa@dwdb [~]$ ls /var/log
ls: /var/log: Permission denied
qa@dwdb [~]$
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Jun 10, 2011
How to get the Q2 patching logs of particular server (Linux 2.6.9-100.EL)
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Oct 12, 2010
I have to administer a few mail servers, a mail log server, 4 nameservers and a web server -all running on Centos 5 server distributions. Now I have a task: to avoid accidental crashes on the production servers while installing updates, my boss asked me to do clones (these clones will all be VMware virtual machines) of the servers (EXCLUDING the actual e-mails and mail log contents) and then to run those clones on VMWare Server. This way, first I will install and test updates on the clones and - if they will be running without crashes - I will apply the updates on the real production servers themselves. I have already installed VMWare Server 2.0 I have a few questions:
- How do I build the virtual machines to exclude the actual mail files and mail logs? Can I use VMware Converter for this purpose, or do I have to use another program?
- How do I actually do this cloning? Is there a tutorial on how to do this?
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Dec 26, 2010
I am installing RHEL 5.5 to be a syslog server to collects logs from servers (HP-UX, Linux, Windows and Cisco Network Devices). and i can now collect logs from my windows PC on syslog linux server by using Datagram SyslogAgent software. can collect logs from HP-UX 11.23 server. and i configuring the Unix server as in the steps below:
1. Log in as root
2. Go to /etc/syslog.conf
3. Add a line: *.*<tab>@<Sentinel Server IP Address>
*.* @10.15.1.5
4. Save and Close
# netstat -na | grep 514
tcp 0 0 *.514 *.* LISTEN
udp 0 0 *.514 *.*
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Aug 10, 2010
I recently installed centos 5.5 on a new system, details below. All worked fine for a couple of weeks, then the system froze up. No network access, no keyboard/mouse, blank screen. Had to reboot. Happened again about a week later. Then started happening every couple of days, then daily, and today it happened three times.
I see nothing unusual in any of the logs. The freezing does not seem to be correlated with any particular activity. Happened in both gnome and kde. While it's up, everything seems to work fine. I looked on the intel site for a new driver for this chipset but didn't find a linux version. I tried different versions of this same kernel (PAE, centosplus etc) but have not tried an older kernel.
I installed memtest86 (with yum) but when I try to start it from grub, the screen goes blank for a few seconds, then it reboots. Can't get it to start. Tried a bootable memtest86 cd that worked before (couple of years ago) and it wouldn't boot from it (bios is set to boot first from cd). Maybe this is a strong hint?
My next steps are to burn a new cd of memtest86 and try that. And/or to start removing ram to see if any of them are the culprit. In the meantime I'm asking if any of you have had similar problems with this architecture, or have other suggestions of things I could try. I don't have pieces of hardware lying around that I can easily swap in and out, unfortunately. If all this fails I'll try FC13. Any advice on whether or not you think that might fix the problem would be appreciated, before I go to the trouble.code...
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Jul 29, 2011
How can I view a live log on a Linux Server, so that I can see new log entries instantly as they are being added?
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Sep 24, 2009
I'm running Ubuntu Desktop 9.10. How do I get it to forward its logs to a syslog server (its running on a different machine)?
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Jun 1, 2011
I am new in perl, i have a question i.e 'How to read individual logs from linux server into another log file using perl script', I need to capture the individual logs from different paths and output the result of those log files and store to a file in another location.These Logs are generated in Linux Server..
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Dec 9, 2009
I just installed a CentOS 5.4 x 64 on a customer's server last Saturday. I use lpr/lpd to print through this server to our network printers.
yum install cups-lpd
Edit /etc/xinetd.d/cups-lpd: disable = no
I did several restarts on /etc/rc.d/init.d/cups. I even did a "kill -SIGHUP 0" and a "kill -SIGHUP pid_xinetd". No joy. I finally gave up and rebooted: joy. Shades of Windows.
What did I miss? How do I start cup-lpd after yum without rebooting.
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Jun 21, 2010
After doing a regular software update on a 5.5 box (and rebooting), I now have problems starting xen (version "xen-3.0.3-105.el5_5.3.x86_64").
Running "/etc/init.d/xend start" yields no output, and checking the script, I see that the script halts if "/proc/xen" doesn't exist.
Checking the filesystem, I find that the "/proc/xen" entry is indeed gone. Restarting the CentOS box does not help.
Should I reinstall Xen? If so, should I remove any portions of Xen before I do?
Update:
When I run /usr/sbin/xend I get:
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Mar 21, 2011
I made a duplicate of a Centos 5.5 system disk with dump (dd if=/dev/sda of=/dev/sdb). No device files for sdb were created, but I guess that's not too surprising. I rebooted, and the device files were created. But how would I create them if I wanted to avoid the reboot?
I looked around for info on mknod and MAKEDEV but didn't find a lot.
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Feb 4, 2010
we are using a DELL server installed with RHEL release 3(update 2) for running SS7 stack. we are using it for telecommunication testing. from last two months it is getting out of network though the server is up. we are not able to connect it through ssh using putty from local desktop. I tried searching for the reason in logs under /var/log/messages but i could not fine it. please tell me the path under which i can find the system error messages. We are out of support from DELL........
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Apr 14, 2010
i want to make sure my mail server is behaving as expected. the past two nights, i've received logwatch notices below. the section in question is the 20 or so deferrals from some .ru e-mail address. i've since removed the user that registered on my wordpress blog (wlvp@yandex.ru) and added the three IP address to iptables DROP, but these "e-mails" still look like they're in some queue unless i'm reading wrong. i've removed known usernames in case you find the numbers useful. why are all these deferred messages here? if they're stuck in a queue, can i remove them?
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Mar 17, 2010
I am far too often getting connections dropped when trying to load web pages from my local server. From my mac running Safari I get the error message "Safari can't open the page...because the server unexpectedly dropped the connection." From Firefox on my Ubuntu 0.10 desktop it opens the window that says "You have chosen to open index.php..." and ask if I should edit the file or save it. When I tail the apache2 access.log it shows the previous successful page load but the one that failed is not mentioned. In error.log I get some stuff I don't understand, except the last line which says aborted:
b7819000-b781b000 rw-p 00000000 00:00 0
b781b000-b781c000 r-xp 00000000 00:00 0 [vdso]
b781c000-b7837000 r-xp 00000000 08:01 1444383 /lib/ld-2.10.1.so
b7837000-b7838000 r--p 0001a000 08:01 1444383 /lib/ld-2.10.1.so
[code]....
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Nov 30, 2009
I have recently installed Centos 5.4 on a server with 3 network cards. I am trying to enable IP forwarding which has been successful by executing the following command:
echo 1 > /proc/sys/net/ipv4/ip_forward
I tried to make this permanent by adding net.ipv4.conf.default.forwarding=1 to the /etc/sysctl.conf file.
When I restart the network service I get the following code...
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Jul 12, 2010
How can I restart the X server without rebooting? This used to be "CTR-ALT-BACKSPACE",but that doesn't seem to work anymore.
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Nov 2, 2010
I am running a 5 node 11g RAC cluster with cluster ready services. The hardware is HP BL460g6 with virtual connect modules on each chassis. The OS is RHEL5.5, 2 Qlogic 4G fibre cards, 2 Broadcom NICs bonded, and the backend disk is all Hitachi 15k. The issue that I'm seeing is periodically each day there are spikes in I/O waits for disk writes, and sometimes that will cause a node or 2 to reboot when CRS can't communicate with the other nodes. Both nodes that have been evicted, are on the same chassis. What I've checked is, the backend storage is not seeing ANY high utilization, in fact it's running at less than 10% all the time. The network is 10G, and is not showing errors on the switch, or on the blades themselves. The redo logs have a 10M buffer cache, and are running on ASM disk. What other information would be beneficial to check? I am seeing nothing in the logs as to any errors, or waits for disk writes. I believe it's a software issue, but am lost as to how to prove it. These aren't the only nodes experiencing periodic high I/O waits, and it happens at the exact same time on all systems, whether they run ASM or are part of a cluster.
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Jul 6, 2015
I have a rented vserver running at Strato [URL]. It came preinstalled with Debian 7. I upgraded it to Debian 8, what seemed to run fine, all services running. The problems came up when I tried to reboot the server to test the init system. It just does not come up, I cannot ping it, nothing. I can boot into the rescue system, mount the system partitions and chroot in to the filesystem. In this state I also can run my services, including apache2 and mysql. In the syslog I find nothing about the reboot. Now I need to reboot ino the normal system. I already tried to resume to sysvinit without success.
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Jul 2, 2010
As i read in google that if we Ctrl+Alt+Del in linux box system get rebooted i tried in my PC its not rebooting.
even though i un commented the line in /etc/inittab
ca::ctrlaltdel:/sbin/shutdown -t3 -r now
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Mar 12, 2009
Is it possible for vsftpd to have logs so I can see IP addresses user has used to connect to FTP ?
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Dec 8, 2009
I set up freenx server and set up a client on same machine and now when I go to my logs it crashs and bugzilla save before it can crash. I go to send info and the page says bugzilla wont work and gives a 999 code need newer gnome??
**this is when I go to the logs page
Distribution: CentOS release 5.4 (Final)
Gnome Release: 2.16.0 2007-02-18 (CentOS)
BugBuddy Version: 2.16.0
[Code]....
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Jan 19, 2010
Just installed CentOS 5.4 selecting Server configuration where web server was installed.
After install, I browsed to the ip of the box and no apache test page shows up. /var/log/httpd/error_log doesn't show any browse attempts.
service httpd start
OK
try again and no browsing.
Did a :
yum install httpd
it installed httpd.i386 along some other dependencies.
Did a:
service httpd restart
OK
and still not browsing.
basics of getting apache running and configured on a fresh server?
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Mar 8, 2010
I have a logserver.log located at /usr/local/logserver. It's NSLOGDEPTH=100. I'm not sure if this is the reason but my log file is only up to 100 only..samplelogserver001.loglogserver002.log......logserver100.logThe other logs were already removed. I do not have any scripts on logrotate for this specific logs. My question now is: How can I move some logs automatically so that it will not be removed totally from the system. I'm planning to move it locally on the server and compressed it at the same time. My second plan is to move it on another server. Do I need to create a script on this or can be done on logrotate? (note: i do not want to remve old logs)
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May 14, 2010
We have a server running CentOS 5 Linux 2.6.18-128.1.16.el5xen #1 SMP Tue Jun 30 06:39:23 EDT 2009 x86_64 x86_64 x86_64 GNU Linux. We've seen at random times that the server will just reboot and nothing is logged in messages. I tried to enable kdump but was only able to get a 5.4 gig dump since our /var directory is set to 10GB. Here is the messages I see before and after the server restart. I had thought that when a kernel panics, it is supposed to halt the system and not reboot it. My /proc/sys/kernel/panic is set to 0. I can run an update but want to have some sort of idea what is causing the issue and if the update will fix anything.
May 13 20:05:22 hlotmt01 xinetd[3609]: EXIT: bpcd status=0 pid=1071 duration=1(sec)
May 13 20:05:22 hlotmt01 xinetd[3609]: START: bpcd pid=1072 from=10.203.1.1
May 13 20:05:23 hlotmt01 xinetd[3609]: EXIT: bpcd status=0 pid=1072 duration=1(sec)
[code]....
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Aug 28, 2009
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Jul 21, 2009
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