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Installing openHAB3

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Preparing the installation

openHAB3 builds on Java 11, so let us make sure that we have installed and defined as default JVM used on our Natrix Gateway.

java -version
openjdk version "11.0.12" 2021-07-20
OpenJDK Runtime Environment (build 11.0.12+7-post-Raspbian-2deb10u1)
OpenJDK Server VM (build 11.0.12+7-post-Raspbian-2deb10u1, mixed mode)

Performing the installation

We start with adding the openHAB repository key to our package manager, plus allowing ‘apt’ to use https:

wget -qO - 'https://openhab.jfrog.io/artifactory/api/gpg/key/public' | sudo apt-key add -
apt-get install apt-transport-https

As we always go with stable releases, we add the openHAB stable repository to our ‘systems apt sources list’:

echo 'deb https://openhab.jfrog.io/artifactory/openhab-linuxpkg stable main' | sudo tee /etc/apt/sources.list.d/openhab.list
deb https://openhab.jfrog.io/artifactory/openhab-linuxpkg stable main

Next steps are resynchronizing the package index, installing openHAB and openHAB add-on packages

apt-get update
apt-get install openhab
apt-get install openhab-addons

Let’s make sure that the openHAB service is automatically started after a reboot respectively system new start.

systemctl enable openhab
Created symlink /etc/systemd/system/multi-user.target.wants/openhab.service → /lib/systemd/system/openhab.service.

After the installation, we can check the accuracy and location of the openHAB installation.

openhab-cli info

Version:     3.1.0 (Build)

User:        openhab (Environment Variable Set)
User Groups: openhab tty dialout audio bluetooth

Directories: Folder Name      | Path                        | User:Group
             -----------      | ----                        | ----------
             OPENHAB_HOME     | /usr/share/openhab          | openhab:openhab
             OPENHAB_RUNTIME  | /usr/share/openhab/runtime  | openhab:openhab
             OPENHAB_USERDATA | /var/lib/openhab            | openhab:openhab
             OPENHAB_CONF     | /etc/openhab                | openhab:openhab
             OPENHAB_LOGDIR   | /var/log/openhab            | openhab:openhab

URLs:        http://192.168.188.30:8080
             https://192.168.188.30:8443

openHAB preliminary configuration

After a reboot our openHAB system is ready to use.

Our first login under http:// or https:// brings us to the initial landing page were we have to administer our default account.

We go for

User:                     admin

Password:            <<your password here <<

Afterwards we continue with some system settings such as defining default language, region and timezone and location settings based on <latitude> and <longitude> parameter settings:

In the last setup configuration menu,  we install our first openHAB Binding which is required in all of our Maker projects, the MQTT Binding:

Finally, we get to the official openHAB landing page: