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Reboot problem with CENTOS 6.5 x86_64 standard


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My current system has the following setup:-

OS: CENTOS 6.5 x86_64 standard

Control Panel: WHM 11.42.0 (build 23)

System Type: Dedicated


I was using a very old PC Monitor 2.0 installation on my system which was working fine but today i uninstalled older version and installed the latest PC Monitor 4.3 and after that my server is having reboot problem.


When i select RESTART from pc monitor application on my cellphone it starts to show my server as offline after few seconds in the application. WHM/CPanel also stop working and all websites on the server also go offline. But the server is still online and i can ping it continously. It remains in that state until i manually have the server restarted.



When uninstalling pc monitor 2.0 i also removed this line manually from: etc/sudoers


Defaults    requiretty = "/opt/pcmonitor/bin/pcmonitor start"


Replaced with:-

Defaults    requiretty

Has anyone experienced anything like this?

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This is odd. It seems like something is actually preventing the reboot process. If you run the 'reboot' command in the PC Monitor terminal does it perform the same behaviour?

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Please make sure you are running PC Monitor as root.

Also do you have any log entries in /var/log/messages  that show what proc is hanging the reboot proc ?

Can you log into sshd ? What procs are still running in that intermediary state ?

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