Nginx PHP-FPM MariaDB Auto Restart System Service

huaanhhuy · Jul 21, 2020

Please fill in any relevant information that applies to you:

CentOS Version: CentOS 7 64bit

Centmin Mod Version Installed: 123.09beta01

Nginx Version Installed: 1.19.1

PHP Version Installed: 7.4.8

MariaDB MySQL Version Installed: 10.4.13

Hi @eva2000 I use Vultr and install CMM, sometimes my websites are down and I have to use restart service command then my website back. It occurs several times a week. I check from server-side, CMM and everything seems does not have any error.

I found this guide on StackExchange for auto-restart service. Please help me check if it compatible with CMM, thanks

It is a feature of SystemD. Override existing unit file for NGINX by running systemctl edit nginx then paste in:

[Service]
Restart=always
Save.

If NGINX is down due to, e.g. the OOM killer, it will be restarted after dying. If you have a configuration error in NGINX, it will not be restarted, of course.

To verify this configuration. start NGINX service with systemctl start nginx, and verify it is running with systemctl status nginx.

Kill it via pkill -f nginx. Confirm that NGINX is running anyway with systemctl status nginx.
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huaanhhuy · Jul 23, 2020

@eva2000 Is it ok if i need to auto restart Nginx, PHP-FPM and MySQL service, thanks

eva2000 · Jul 23, 2020

It's never advisable to auto restart services if you don't know the underlying reason for an issue. It can be detrimental depending on the service i.e. MySQL restarts not done properly or at the wrong time can cause MySQL database corruption which may or may not be fixable !

huaanhhuy · Jul 23, 2020

eva2000 said: ↑

It's never advisable to auto restart services if you don't know the underlying reason for an issue. It can be detrimental depending on the service i.e. MySQL restarts not done properly or at the wrong time can cause MySQL database corruption which may or may not be fixable !
Click to expand...

Thanks, but i have a issue with my main server on Vultr, sometime nginx goes down but i dont meet any errors. Then i restart nginx service, it running normally. But it continues down after hours.

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