Lotfi Hamadene | iximiuz Labs

Materials by Lotfi Hamadene

Explore tutorials, challenges, courses, and more published by this author.

Challenges by Lotfi Hamadene

This challenge was created by a community author. Community content is reviewed by the iximiuz Labs team on a best effort basis.

Challenge, Easy, on Linux

The SED command : Survival Guide - What You Must Know

by Lotfi Hamadene

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/.

sed text-processing stream-editor rhcsa

This challenge was created by a community author. Community content is reviewed by the iximiuz Labs team on a best effort basis.

Challenge, Medium, on Linux, Observability

AWK Mastery: From Zero to Hero

by Lotfi Hamadene

3-phase AWK challenge on realistic data in /home/laborant/awk_challenge/. Fundamentals: columns, delimiters, formatting. Logic & regex: filters, anchors, conditions, math. Sysadmin: logs, CSVs, metrics, counts, reports. Data lives under /home/laborant/awk_challenge/ (logs/access, data/hr, sys/metrics) and outputs are written to /home/laborant/ files.

awk scripting text-processing rhcsa