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EmonCMS Install Scripts

Introduction

This build script can be used to build a fully fledged emoncms installation on debian based operating systems, including: installation of LAMP server and related packages, redis, mqtt, emoncms core, emoncms modules, and if applicable, emonhub & raspberrypi support for serial port, and WiFi access point.

The script is a series of scripts that install each required component. To see what is installed and how open each script.

As at 17 Oct 19 - Tested on:

Forum: EmonSD build script progress update and beta release

Pre-built Image

Download (1.1 GB)

(.img) MD5: a7d12ac6b589ae0d470c4a6f1ce38414
(.zip) MD5: 52ecf81c2ad4afbd9da42a6e703b5c59
  • Minimum 16Gb SD Card
  • Built using EmonScripts emoncms installation script, see
  • Based on Raspbian Buster 2019-09-26-raspbian-buster-lite.zip
  • Compatible with Raspberry Pi 3, 3B+ & 4
  • Emoncms data is logged to low-write ext2 partition mounted in /var/opt/emoncms
  • Log partition /var/log mounted as tmpfs using log2ram, now presistant after reboot
  • SSH access disabled by default, long press emonPi LCD push button for 5s to enable. Or create file /boot/ssh in FAT partition.

Building Your Own - Base OS Preparation

RaspberryPi

To install onto a RaspberryPi, a number of tasks are required. Please follow this instruction first.

Ubuntu

For Ubuntu, post base OS install, run this command so the user does not need a password for sudo.

sudo echo $USER' ALL=(ALL) NOPASSWD: ALL' | sudo tee /etc/sudoers.d/$USER && sudo chmod 0440 /etc/sudoers.d/$USER

Digital Ocean Droplet

For installation on a Digital Ocean Droplet, follow this instruction.

Install the EmonCMS Installation Scripts

Pull the script from GitHub (note if you wish to pull the script from master change the path).

wget https://raw.githubusercontent.com/openenergymonitor/EmonScripts/stable/install/init.sh
chmod +x init.sh && ./init.sh

The init script automatically calls the main script. At this point you will be offered the option to configure the installation process.

If you are on a RaspberryPi or EmonPi you can usually just proceed.

The Install process does takes sometime.

Post Install - Settings

If you have used EmonCMS before you may need to edit the settings to suit your local setup. This is now an ini file called settings.ini in /var/www/emoncms/.

Post Install - First Use

To access EmonCMS go to the IP of your machine in your browser. This Guide will help you set your system up.

At the initial user screen, you need to select Register and create a user - this will be the admin user.

If you are migrating from an old system, Export your data from the old system and Import the data to the new system (after registering a user). This will then require you to login as the original user.

Configure install

The default configuration is for the RaspberryPi platform and Raspbian Buster image specifically. To run the installation on a different distribution, you may need to change the configuration to reflect the target environment.

To edit the configuration (standard file paths):

cd /opt/openenergymonitor/EmonScripts/install/
nano config.ini

To restart the installation:

./main.sh

See explanation and settings in installation configuration file here: config.ini

Run Scripts Individually

It is possible to run the scripts individually for a single part of the stack. These are not guaranteed to be a complete solution (some folders may not be created for instance).

Standard Setup Filepaths

Install location for code from OpenEnergyMonitor GitHub repository such as EmonScripts /opt/openenergymonitor

Install location for modules symlinked to www /opt/emoncms

Main code location /var/www/emoncms

Log file location /var/log/emoncms

Data directory /var/opt/emoncms

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