#Monit

Lightweight process and system monitoring.

#Overview

Monit is a small, proactive monitoring utility.

Feature	Description
Process monitoring	Keep services running
File monitoring	Watch files/directories
Network	Check ports/protocols
Auto-remediation	Restart failed services

#Installation

bash

sudo apt install monit
sudo systemctl enable monit

#Configuration

cfg

1# /etc/monit/conf.d/nginx
2check process nginx with pidfile /var/run/nginx.pid
3  start program = "/etc/init.d/nginx start"
4  stop program = "/etc/init.d/nginx stop"
5  if failed host 127.0.0.1 port 80 protocol http
6    with timeout 10 seconds
7    then restart
8  if 5 restarts within 5 cycles then alert

#Commands

bash

1# Check syntax
2sudo monit -t
3
4# Reload config
5sudo monit reload
6
7# Status
8sudo monit status
9
10# Web UI (enable in monitrc)
11# http://localhost:2812

[!TIP] Pro Tip: Perfect for simple service supervision and auto-restart!