Plesk Does Not Load

Posted by Jason Web Hosting Sunday 2 November 2008 9:04 pm

If you are unable to access the Plesk control panel, take a look at the Plesk error logs which resides under

/usr/local/psa/admin/logs/httpsd_error_log

if you the below error message, it means you are running out of Shared Memory Segments (shmget - where a portion of memory is accessed by multiple processes).

[emerg] (22)Invalid argument: could not call shmget

In this case you should increase the value of shmall in /etc/sysctl.conf file. Edit the file and increase the value as

kern.sysv.shmall=shmmax/4096

In order for the changes to take effect immediately, execute the command

sysctl -p

You can now restart psa service and access Plesk.

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