Plesk control panel is not loading

Please Refer the below, If you are not able to login into your plesk control panel

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

If you are getting the error message as below, it means you are using more memory than alloted to you,

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

In such a case you would like to extend the value of shmall in /etc/sysctl.conf file. Edit the file and increase the value as Kern.sysv.shmall=shmmax/4096

If you would need the changes to induce reflected soon, please execute the subsequent command :-

sysctl -p

After that the psa service needs to be restart, in this way you can access your Plesk control panel.