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.
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.
Challenges from outstanding independent authors proudly hosted by iximiuz Labs.
In this challenge, you’ll debug and fix a deliberately “broken” eBPF program, then prove it’s running by identifying its program and map IDs. Along the way, you’ll explore bpftool, check which helpers are supported, and dig into details like the UID of the loader. Finally, you’ll test your knowledge of eBPF maps by recalling the flag that only inserts a key if it doesn’t already exist.
Challenges contributed by the community members sharing their knowledge and expertise.
Master **sed**, the essential stream editor for Linux SysAdmins. Progress through 10 tasks: simple & global substitution, regex patterns, line ranges, deletion, insertion, ... Work with realistic Rocky Linux system files in /home/laborant/sed_challenge/.
