Zalenium a stable and scalable Selenium grid
Accessing gpio pins inside a docker container on a raspberry pi
I just want to give well deserved thumbs up to Zalando’s Zalenium Their own description says it best: Allows anyone to have a disposable, flexible, container based Selenium Grid infrastructure featuring video recording, live preview, basic auth & online/offline dashboards Getting up and-running really is only one docker pull and docker run command away.
Containerising the development environment
If your container needs access to the GPIO pins, then it must have access to the /dev/gpiomem device. From the command line you can do that like this: Here’s how to do it with a docker-compose file:
Docker on Raspbian: cgroup not supported on this system
One of the nice things about docker is that we can use all kinds of software without cluttering up our local machine. I really like the ability to have the development environment running in a container. Here is an example where we: Get a Node.js development environment with all required tools and packages Allow remote […]
Are you running Docker on Raspbian and getting the error: cgroups: memory cgroup not supported on this system Best solution is to add cgroup_memory=1 in /boot/cmdline.txt and reboot. PLease note, for future releases of Raspbian you will need the following instead: Alternatively, you can downgrade to an earlier docker version: