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Problem On Debian - Reboot Every Hour




Posted by ForceHosting, 01-17-2008, 12:25 AM
Hello !! well , I have a big problem on one server with debian , the last month it have a 100% f uptime , but since yesterday automaticly it reboot every 1 hour exactly !! this is a game server , dont have service like httpd , mysql dns , nothing !! , I uninstall cron jobs thinking that will solve the problem , but no ..... I install firewall , run rkhunter and chkrootkit, check whell gruop and nothing logs: Jan 17 05:20:00 debian -- MARK -- Jan 17 05:40:00 debian -- MARK -- Jan 17 06:00:18 debian syslogd 1.4.1#18: restart. Jan 17 06:00:18 debian kernel: klogd 1.4.1#18, log source = /proc/kmsg started. Jan 17 06:00:18 debian kernel: Bootdata ok (command line is root=/dev/sda1 ro ) I change root password and ssh port but nothing... I think that could be a issue on debian or some exploit cause it, this was happend Suddenly one day to another it is very Strange.... somebody know about this ??? SERVER: debian:~# uname -a Linux debian 2.6.18-5-amd64 CORE 2 QUAD - 2GB ram - debian 64 bits

Posted by tanfwc, 01-17-2008, 01:11 AM
Could this be a hardware problem? The log does not show anything like kernel panic or so. Have someone on site to check the hardware for you

Posted by bitserve, 01-17-2008, 01:58 AM
I had a fedora 7 box do this same thing. Never did find out what it was. I was told by some colleagues to check the CMOS battery and try disabling the hardware watchdog. The BIOS didn't have a hardware watchdog feature and the CMOS battery was replaced, but didn't help. It just stopped doing it one day. Works fine now. It definitely wasn't hacked though, because it was never on a public net. So really I'm being of no help, but let me know if you find out what's causing it, please.

Posted by ForceHosting, 01-17-2008, 08:30 AM
mmmm No messages of kernel panic nothing else .... I see in the list of process watchdog , could be that ??? how I can disable it

Posted by shapstar, 03-04-2010, 05:30 PM
I had this happening on my debian lenny, out of nowhere just started rebooting every hour. I am not sure what the problem was, but I found a way to stop it. Login as root and type shutdown -r now Yes, a proper reboot fixed it for me, should work for you. Shapstar imagehosting21(dot)com

Posted by alphas, 03-04-2010, 08:45 PM
you can reinstall your OS for security reason



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