November 03, 2025

Red Hat Enterprise Linux 8 Administration: Master Linux administration skills and prepare for the RHCSA certification exam

20 minutes

A comprehensive guide for Red Hat Enterprise Linux 8 (RHEL8) administration, detailing various system management topics. The sources cover initial RHEL8 installation on both physical and virtual machines, including advanced options like cloud deployments and automated installation techniques. A significant portion focuses on core administration skills, such as command line usage, user and group management, file permissions, networking configuration with NetworkManager, and software management using DNF/YUM. Furthermore, the text explores system hardening with SELinux and OpenSCAP, resource administration including LVM, and performance tuning through kernel adjustments and the tuned service, concluding with an overview of container management using Podman.

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