Focused hands-on problems designed to help you hone your DevOps or Server Side skills. Some challenges are more educational, while others are based on real-world scenarios. The platform provides hints and feedback for each challenge, including automated solution checks.
Challenges crafted by iximiuz Labs to help you master DevOps and Server Side topics.
Learn how Linux's binfmt_misc mechanism and QEMU user-space emulation allow transparent execution of binaries compiled for foreign CPU architectures.
Learn how to keep your container images lean by excluding development dependencies (linters, test frameworks, etc.) from the production build.
Practice installing OS-level packages during a Docker image build to satisfy system library requirements of your application.
Learn the absolute basics of Dockerfile authoring by containerizing a simplistic Node.js server application with just three instructions: FROM, COPY, and CMD.
Learn how to write a Dockerfile from scratch and build a working container image for a web server application with a simple set of dependencies.
Practice one of the key Linux skills - installing packages from remote repositories.
Practice one of the key Linux skills - installing packages from remote repositories.
Practice basic tar operations: extract an archive, create a compressed backup, and install software from a release tarball using the 'tar' command.
Learn how to properly stop a Docker container whose application needs more than the default 10 seconds to shut down gracefully.
Practice pausing and resuming a running container: start a resource-hungry container, pause it, inspect its state, and then unpause it back to life.
