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.