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sever cannot be remotely rebooted

     
5:47 am on Apr 30, 2012 (gmt 0)

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Hi I have a dedicated server running redhat Linux. Whenever it is overloaded, it cannot be remotely rebooted and has to be manually rebooted. Any solution to this issue?

Thanks.
5:18 pm on Apr 30, 2012 (gmt 0)

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What happens when it is overloaded? You can't access the console / control panel? If so that is what you have to fix: the overloading; presumably memory swapping?

Simple answer is to add more RAM and / or optimize your processes.
3:22 pm on May 3, 2012 (gmt 0)

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+1 to Frank's suggestions. I'll add 'do it, NOW!'

Long term there are remotely manageable AC power strips that you can log into and power off/power on the server from a remote telnet session.

There are keyboard/mouse over IP solutions available too that can send CTL-ALT-DEL to the server.
7:38 am on May 5, 2012 (gmt 0)

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Thank you both for reply.

>>What happens when it is overloaded? You can't access the console / control panel?
When it is overloaded, most of the time, I can still access the console via SSH and issue a reboot command. The system even responds by saying the system is going to reboot. But, no reboot happens. I have to ask my host company to do a manual reboot every time.

>>Simple answer is to add more RAM and / or optimize your processes.
How can I optimize my processes? I have no idea although this is my third dedicated server.

It sounds weird to me that once a reboot command is given and the system receives the command, but just nothing happens. Any clue for this strange thing?
2:48 pm on May 7, 2012 (gmt 0)

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Probably is or will reboot just the system as u said is overloaded so it takes forever for the command to happen. The host is probably killing the power really not something I would want to happen very much. I would follow the above suggestions find out why this is happening and fix it asap.
 

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