After Plesk automatic updates apache service remain stopped User has to start service manually everytime.
Apache crashes with the following error in
[timestamp] [mpm_event:notice] [pid 20056:tid 140176783820672] AH00493: SIGUSR1 received. Doing graceful restart [timestamp] [core:notice] [pid 20056] AH00060: seg fault or similar nasty error detected in the parent process
Bug #PPPM-4566. It is fixed in Plesk Onyx.
Upgrade to the latest Plesk version.
If upgrade is not possible, change Apache worker mode from
mpm_prefork in Home > Tools & Settings > Apache Web Server Settings
If the issue still persists, perform the following actions:
Increase the value '
Apache restart interval' to at least to 60 seconds at Plesk > Tools & Settings > Apache Web Server Settings
For Debian based systems:
apache2 reload' with '
apache2 restart' in
For RHEL based systems
httpd reload' with '
httpd restart' in