How to restart nginx

How to restart nginx: 1. Restart Nginx on Linux and use systemd to manage the Nginx service. It will restart Nginx and read any new configuration changes; 2. Restart Nginx on Windows and it will reload. Nginx and apply any configuration changes without completely stopping and starting the server; 3. Restart Nginx on Mac, which will restart Nginx and apply any new configuration changes and so on.

Nginx is a high-performance web server and reverse proxy server that is widely used for the deployment of Internet applications. When using Nginx, it is sometimes necessary to restart the server to apply configuration changes or publish a new web application. This article will introduce how to restart the Nginx server under different operating systems.

1. Restart Nginx on Linux

In most Linux distributions, the installation location of Nginx is usually "/etc/nginx". To restart Nginx, you can use the following command:

sudo systemctl restart nginx

This command uses systemd to manage the Nginx service. It will restart Nginx and read any new configuration changes.

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2. Restart Nginx on Windows

Under Windows, Nginx is installed as a Windows service and running. To restart Nginx, you can follow these steps:

- Open a command prompt or PowerShell window.

- Switch to the Nginx installation directory, usually "C:\nginx" or your customized installation directory.

- Run the following command:

nginx -s reload

This command will reload Nginx and apply any configuration changes without completely stopping and starting the server.

Tip: If the nginx command cannot be found on Windows, please confirm that you are using the correct Nginx installation directory.

3. Restart Nginx on Mac

On Mac, the installation location of Nginx is similar to Linux, usually "/etc/nginx". To restart Nginx, execute the following command in the terminal:

sudo nginx -s reload

This command will restart Nginx and apply any new configuration changes.

Note: You may need to enter the administrator password before executing the above command.

4. Other restart options

In addition to the methods of restarting Nginx introduced above, there are other options to choose from. For example:

- Restart Nginx using HUP signal: You can use the kill command or send a HUP signal to Nginx using the PID of the nginx process to reload the configuration.

sudo kill -HUP $(cat /var/run/nginx.pid)

- Hard Restart Nginx: Sometimes, it is necessary to completely stop and restart Nginx to apply significant configuration changes or solve problems. This can be achieved using the following command:

sudo systemctl stop nginx
sudo systemctl start nginx

This will stop and start the Nginx service.

No matter which method you use, restarting Nginx will allow you to apply new configuration changes or publish a new web application. After restarting, Nginx will load any new configuration changes and start over. Before performing a reboot, make sure you have backed up any important configuration files and make sure your web application will not be affected by the reboot.

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