Symptoms
- Apache service fails to start on a Plesk server with the following error in
/var/log/httpd/error_logfile:[suexec:notice] [pid 10237:tid 140298335291520] AH01232: suEXEC mechanism enabled (wrapper: /usr/sbin/suexec) [heartmonitor:crit] [pid 10237:tid 140298335291520] AH02093: mod_watchdog is required AH00016: Configuration Failed
Cause
Module mod_watchdog is disabled on the server.
Resolution
- Log into Plesk.
- Go to Tools & Setings >Â Apache Web Server.
- Enable the watchdog module:
- Press the OK button to apply the changes.Â
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Solution using the SSH access
- Log into the server via SSH.
- Open theÂ
/etc/httpd/conf.modules.d/00-base.conf file using the vi text editor. - Change the line below from:
;LoadModule watchdog_module modules/mod_watchdog.so
To
LoadModule watchdog_module modules/mod_watchdog.so
- Save the changes.
- Restart the Apache service:
# service httpd restart
with