Many actions on a Plesk server cannot be performed with the following error:
Cannot allocate memory
Sites or random Plesk pages are not accessible with:
502 Bad Gateway
503 Service Unavailable
Cannot access Plesk or edit PHP settings:
PLESK_ERROR: Error: The license key is invalid. To use Plesk, you must obtain and install a new, valid license key. The license key is for use only with Plesk within the following virtual environments: Virtuozzo, VMware, Microsoft Hyper-V, Xen, KVM, Virtuozzo Server, LXC, Docker.
The following error appears in
Out of memory in UB 69762: OOM killed process 22008 (php-cgi) score 0 vm:429108kB, rss:107332kB, swap:0kB
Out of memory in UB 69762: OOM killed process 22028 (php-cgi) score 0 vm:429968kB, rss:108648kB, swap:0kB
Server is running out of physical RAM, some limits are exceeded on the server
Increase amount of RAM or SWAP values on the server.
Note: This is a task that should be performed by the System Administrator
Note: In the case of a virtual environment (VPS or Virtual Machine), contact your service provider in order to increase server limits.