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Mastering Embedded Linux Development
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Once again, we will be using the Mender client on the device, but this time operating it in managed mode. In addition, we will be configuring a server to deploy the update so that no local interaction is needed. Mender provides an open-source server for this. For documentation on how to set up this demo server, see https://docs.mender.io/2.4/getting-started/on-premise-installation.
The installation requires Docker Engine version 19.03 or later. It also requires Docker Compose version 1.25 or later. Refer to the Docker website at https://docs.docker.com/engine/install/ and https://docs.docker.com/compose/install/ for each.
To verify which versions of Docker and Docker Compose you have on your system, use these commands:
$ docker --version
Docker version 26.1.3, build 26.1.3-0ubuntu1~24.04.1
$ docker-compose --version
docker-compose version 1.29.2, build unknown
Docker Compose started being bundled with Docker in 2022. If the second command...