Complete Linux Tutorials Roadmap: Beginner to Advanced Linux Administration Guide

A step-by-step Linux Tutorials Roadmap covering beginner, intermediate, and advanced Linux Administration skills. Learn Linux commands, LVM, storage, networking, shell scripting, DevOps tools, and cloud essentials with a structured, job-ready learning path.

1. Linux Fundamentals (Beginner Level)

Topics:

  1. Linux distributions
  2. Basic Linux commands
  3. File and directory structure
  4. vim/nano editors
  5. Permissions and ownership (chmod, chown)
  6. Users and groups
  7. PATH and environment variables

Recommended Tutorials (YouTube):

  1. Linux for Beginners
  2. RHEL/CentOS Linux Admin Basics

2. Intermediate Linux Administration

Topics:

  1. Boot process (BIOS → GRUB → systemd)
  2. systemd services management
  3. Disk management: fdisk, gdisk, mkfs
  4. LVM: PV, VG, LV
  5. Swap management
  6. NFS and Samba
  7. SSH and key-based authentication
  8. rsync, scp
  9. Cron jobs
  10. Logs: /var/log, journalctl
  11. Networking basics (IP, routes, firewall-cmd)

Recommended Tutorials (YouTube):

  1. Linux Admin full course (topic-wise)
  2. LVM, NFS, Samba, SSH tutorials

3. Advanced Linux Administration

Topics:

  1. SELinux (enforcing, permissive, troubleshooting)
  2. Kernel upgrades and tuning
  3. GRUB recovery and boot troubleshooting
  4. yum/dnf package management (advanced)
  5. Monitoring tools: top, ps, sar, vmstat, iostat
  6. Multipathing
  7. iSCSI target and initiator
  8. NTP configuration
  9. High availability concepts

Recommended Tutorials:

  1. SELinux complete guide
  2. Multipathing and iSCSI configuration
  3. Kernel update tutorials

4. Storage and Enterprise Environment

Topics:

  1. Advanced LVM (striping, mirroring, snapshots)
  2. RAID levels and configuration
  3. iSCSI storage lab
  4. NFS advanced permissions
  5. CIFS/Samba advanced usage

5. Shell Scripting (Beginner to Advanced)

Topics:

  1. Variables
  2. Loops (for, while)
  3. If-else conditions
  4. Functions
  5. Arrays
  6. Automation scripts
  7. Log monitoring scripts
  8. Cron-based script execution

Tutorials:

  1. Shell scripting for beginners
  2. Shell scripting real projects

6. Linux Networking

Topics:

  1. IP addressing
  2. DNS and host resolution
  3. firewalld, iptables
  4. TCP/UDP basics
  5. Network troubleshooting commands
  6. SFTP, SCP, FTPS

7. DevOps Foundation for Linux Admin

Tools to Learn:

  1. Git and GitHub
  2. Ansible
  3. Jenkins basics
  4. Docker
  5. Kubernetes fundamentals
  6. AWS basics (EC2, VPC, IAM, S3)

Tutorials:

  1. Ansible full course
  2. Git for DevOps
  3. Docker and Kubernetes playlists

8. Cloud and Monitoring Tools

Topics:

  1. AWS SysOps basics
  2. Terraform basics
  3. Monitoring:
  4. Prometheus
  5. Grafana
  6. ELK stack
  7. SIEM basics (Splunk, QRadar)

9. Interview Preparation

Topics:

  1. 200+ admin commands
  2. Troubleshooting scenarios
  3. LVM, NFS, SSH, boot issues
  4. Real patching and maintenance workflows

10. Daily Practice Plan

Daily routine (1 hour):

  1. 20 minutes commands
  2. 20 minutes topic learning
  3. 20 minutes hands-on lab work

Weekly practice tasks:

  1. NFS server and client setup
  2. LVM creation and expansion
  3. User and permissions lab
  4. Shell script automation tasks