503 after server reboot

Issue

Following the server restart, the websites have become inaccessible with error 503.
Php handler is used for the different versions of php is LSAPI.

Environment

• CloudLinux
• Mod_lsapi
• CageFS

Solution

Remounting and updating CageFS resolved the issue

Cause

Stuck settings

Useful links

https://cloudlinux.zendesk.com/hc/en-us/articles/6151448049948-CageFS-remount-fixed-my-issue-but-support-states-that-CageFS-is-not-the-problem-why