Python process management tool supervisor uses instances

This article describes how to use the python process management tool supervisor. This article describes how to install, configure, and use the supervisor. If you need a script, you can write a script, what should we do if we want to go to the backend for execution?

The Code is as follows:

Nohup python example. py 2> & 1/dev/null &

Tumx or screen? However, it may not work well. Today, let's look at a process management tool supervisor in python:

Said: Supervisor: A Process Control System

To put it bluntly, He is a demon program. He can help us complete the script or program we want to host, and take good care of it;

1. Installation

Python is well installed. If it is a centos series, you can use:

The Code is as follows:

Yum install supervisor

For the debin series:

The Code is as follows:

Apt-get install supervisor

Or simply click:

The Code is as follows:

Easy_install supervisor
Pip install supervisor

2. Create a configuration file

You can use the built-in tool echo_supervisord_conf.
It is created under/etc by default, but you need to have the root permission:

The Code is as follows:

Echo_supervisord_conf>/etc/supervisord. conf

Of course, it can also be another directory, but it must be specified at startup (-c)

3. Start Supervisor

Next, let's take a look at how to start supervisord and supervisorctl.

First, find a program to host, such as/bin/date.

The Code is as follows:

Vim/etc/supervisord. conf

[Program: test]
Command = python/root/test_supervisor.py
Process_name = % (program_name) s
Stdout_logfile =/root/test. log
Stderr_logfile =/root/test. log

Save and start:

The Code is as follows:

/Usr/bin/supervisord-c/etc/supervisord. conf

Sending signal:

It's so cool. Next, you can play it freely...
Http://supervisord.org/This is the official website.
At last, he can manage the interface, which also provides a way for us to manage processes on the interface!