Install and Customize RPI-Monitor

If you want to monitor your Raspberry Pi hardware and software, you can do it with RPI-Monitor. You can monitor ports, services, CPU, memory usage, disk usage and much more! Screenshot of my final version at the bottom of this page. Let's see how it works:

Install

• First of all login to Raspberry Pi via SSH (the easiest way is to use Putty).
  
  
• Install dirmngr (required to install RPI-Monitor)
  • sudo apt install dirmngr
    
    
• Add an official repository
  • sudo wget http://goo.gl/vewCLL -O /etc/apt/sources.list.d/rpimonitor.list
    
    
• Avoid unknown repo issue by add key from Ubuntu keyserver
  • sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com E4E362DE2C0D3C0F
    
    
• Run apt update to receive a list of available packages:
  • sudo apt update
    
    
• Install RPI-Monitor
  • sudo apt install rpimonitor
    
    
• Update itself
  • sudo /etc/init.d/rpimonitor update
    
    
• Print IP of your Raspberry Pi
  • hostname -I
    
    
• Replace the IP and open the monitoring website
  • 192.168.0.22:8888

OK, you should see the monitoring page. That's fine, but we need to create a systemd service to start this service automatically at boot time. To do this,

• Create a new systemd file
  • nano /etc/systemd/system/rpimonitor.service

• Paste these lines in this file

[Unit]
Description=RPi-Monitor daemon
Before=multi-user.target
After=remote-fs.target
After=network-online.target
Wants=network-online.target

[Service]
Type=simple
Restart=on-failure
KillMode=mixed
Nice=19
ExecStartPre=/bin/sleep 10
ExecStart=/usr/bin/rpimonitord
ExecStop=/bin/kill $MAINPID
StandardOutput=append:/var/log/rpimonitor.log
StandardError=append:/var/log/rpimonitor.log

[Install]
WantedBy=multi-user.target

• Reload systemd and enable this service to start on system boot
  • sudo systemctl daemon-reload
  • sudo systemctl enable rpimonitor

Optional settings

• Disable refresh "package status" info, comment every line by run this command
  • sed -i -e 's/^/#/' /etc/cron.d/rpimonitor
    
    
• Rename this file
  • mv /etc/apt/apt.conf.d/99rpimonitor /etc/apt/apt.conf.d/99rpimonitor.disabled
    
    

• To avoid overwriting your custom modifications, disable update RPI-Monitor from the official repository. It also speeds up your apt update command in the future
  • sed -i -e 's/^/#/' /etc/apt/sources.list.d/rpimonitor.list

Final words

That's it. If you want to customise your monitoring page, simply edit the .conf files in the /etc/rpimonitor/template folder, and do not forget to restart RPI-Monitor by running the systemctl restart rpimonitor command.

My current setup looks like this:

If you are looking for hardware and software recommendation for your Raspberry Pi, click here

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