🐧 RHCSA (RHEL 9) – 25 Days Training Plan

Week 1: Linux Basics & File Management

Day 1 – Introduction

• Linux distributions & RHEL

• RHCSA exam objectives overview

• Basic Linux commands (ls, pwd, cd, man)

Day 2 – File & Directory Management

• cp, mv, rm, mkdir, rmdir

• Wildcards, relative & absolute paths

Day 3 – Viewing & Editing Files

• cat, less, head, tail

• Text editors: nano, vim basics

Day 4 – Users & Groups

• useradd, passwd, usermod, groupadd

• /etc/passwd, /etc/shadow, /etc/group

Day 5 (Lab) – Practice basic commands, file permissions

Week 2: Permissions, Process & Package Management

Day 6 – File Permissions

• chmod, umask, chown, chgrp

• Special permissions: SUID, SGID, Sticky Bit

Day 7 – Processes & Jobs

• ps, top, htop, kill, jobs, bg, fg

• System monitoring basics

Day 8 – Package Management

• dnf/yum basics

• Enable/disable repos, install/remove packages

Day 9 – Systemd & Services

• systemctl basics

• Enable, start, stop, restart services

Day 10 (Lab) – Package installation + systemctl exercises

Week 3: Storage & File Systems

Day 11 – Partitions & File Systems

• lsblk, fdisk, parted

• Mounting & unmounting

Day 12 – Filesystem Management

• mkfs, xfs_growfs, resize2fs

• /etc/fstab permanent mounts

Day 13 – LVM (Logical Volume Manager)

• Create PV, VG, LV

• Resize & extend LV

Day 14 – Swap & Encrypted Volumes

• Create & enable swap partition/file

• Basic cryptsetup for encrypted partitions

Day 15 (Lab) – Partition + LVM hands-on

Week 4: Networking, Security & Boot

Day 16 – Networking Basics

• nmcli, ip addr, ping, ss

• Configure static & DHCP IP

Day 17 – Firewalld & SELinux

• Zones, rules, services (firewall-cmd)

• SELinux modes & management (getenforce, setenforce)

Day 18 – Boot Process & GRUB

• Boot targets, runlevels (systemctl isolate)

• Kernel management, GRUB password

Day 19 – Scheduled Tasks

• cron, at, systemd timers

Day 20 (Lab) – Networking + firewall configuration

Week 5: Advanced Topics & Final Prep

Day 21 – Archive & Compression

• tar, gzip, bzip2, xz

• Backup & restore basics

Day 22 – SSH & Remote Access

• Configure sshd

• Key-based authentication

Day 23 – Containers Basics

• Podman, managing containers & images

• Running apps inside containers

Day 24 – Troubleshooting & Logs

• /var/log/, journalctl, analyzing boot/logs

• Recover root password

Day 25 (Final Lab + Mock Test)

• Full practice: Users, LVM, Networking, SELinux, Systemctl, Firewalld, Containers

• RHCSA mock exam simulation

📌 Deliverables

• Daily labs (compulsory)

• End-of-week review

• Day 25 mock exam for final prep