Is nginx starting?

Each application running in Linux will generate a process, so we can determine whether the Nginx process has started by checking whether it exists.

1. Sometimes if you want to know whether nigix is ​​running normally, you need to use linux commands to check the running status of nginx. Execute command: ps -A | grep nginx.

If the result is returned, it means nginx is running and the service has been started. (Recommended learning: nginx tutorial )

If you are not afraid of Nginx closed. You can also execute: service nginx restart.

Restart the nginx service. During the restart, you can also see if there are any specific errors.

2. Check the port netstat -ntlp;

Check the process ps -ef|grep nginx;

Check whether the log is updated tail -f access. log.

3. Check the process id directly: ps -C nginx -o pid.

This method of directly returning the pid is more suitable for use in combination with other programs. For example, execute this command in a shell/python script to get the pid, and then use the pid to determine whether Nginx is started. This method is recommended.

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