Ahmed Abdelwahed

Ahmed Abdelwahed

Technical Trainer | Cloud & Infrastructure Specialist

ahmed@abdelwahed.me

Technical Blog

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Linux

RHCSA Rapid Track | Summary

RHCSA Rapid Track | Quick Guide — Ahmed Abdelwahed Red Hat Linux RHCSA 28 Pages · Quick Guide Version 24.11 RHCSA Rapid Track Quick Guide A comprehensive command-line reference and lab guide for the Red Hat Certified System Administrator exam — covering everything from file management and user administration to LVM storage, SELinux, networking, firewalld, …

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Red Hat System Administration III – RH254

This guide, “Red Hat System Administration III | RH254,” offers an in-depth exploration of advanced Red Hat system administration. Key topics include managing services and daemons with systemd, configuring and customizing shell scripts, handling network management and security with nmcli and firewalld, and setting up essential services like DHCP, DNS, and web servers. It serves …

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Red Hat System Administration II (RH134) | RHEL9 Quick Guide

Enhance your Red Hat skills with this concise guide covering essential topics from the RH134 course. This guide includes detailed steps for managing boot sequences, GRUB configurations, systemd targets, and shell scripting. Learn how to configure and manage network services, schedule tasks with cron and systemd timers, and handle storage management with LVM and RAID. …

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