In this short tutorial, we'll look into how to install supervisor on our machine and configure it properly.

Introduction

Supervisor is a client/server system used to control a number of UNIX processes, more specifically processes related to a project or a customer. For example, you could use supervisor to spawn and monitor an arbitrary number of worker queues of your web application.

Installation

Install supervisor with

sudo apt-get install supervisor

on Unix based systems and

brew install supervisor

on MacOSX based systems.

Check Status

service supervisor status

Configuration

Supervisor configuration directory is /etc/supervisord/conf.d , we can create our custom .conf file inside of this directory.

Also, we can adjust our main /etc/supervisor/supervisord.conf file as per our requirements, likeso,

; supervisor config file

[unix_http_server]
file=/var/run/supervisor.sock   ; (the path to the socket file)
chmod=0770                       ; sockef file mode (default 0700)
chown=root:supervisor

[supervisord]
logfile=/var/log/supervisor/supervisord.log ; (main log file;default $CWD/supervisord.log)
pidfile=/var/run/supervisord.pid ; (supervisord pidfile;default supervisord.pid)
childlogdir=/var/log/supervisor            ; ('AUTO' child log dir, default $TEMP)

; the below section must remain in the config file for RPC
; (supervisorctl/web interface) to work, additional interfaces may be
; added by defining them in separate rpcinterface: sections
[rpcinterface:supervisor]
supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface

[supervisorctl]
serverurl=unix:///var/run/supervisor.sock ; use a unix:// URL  for a unix socket

; The [include] section can just contain the "files" setting.  This
; setting can list multiple files (separated by whitespace or
; newlines).  It can also contain wildcards.  The filenames are
; interpreted as relative to this file.  Included files *cannot*
; include files themselves.

[include]
files = /etc/supervisor/conf.d/*.conf

Save & exit the file and restart supervisor likeso,

sudo service supervisor restart

You can also check supervisor status by running the following command

systemctl status supervisord.service

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