skill-based roadmap · DevOps
Linux Roadmap
A structured path to mastering Linux from the command line basics through system administration, scripting, networking, and DevOps-ready skills employers expect.
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1. Stage 1: Linux Foundations
What is Linux & Distributions
Understanding Linux variants helps you choose the right environment.
Installing Linux (Dual Boot & VMs)
Hands-on practice requires a working Linux environment.
Linux Filesystem Hierarchy
Knowing where files live is essential for every Linux task.
Basic Terminal Navigation
The terminal is the primary interface for all Linux work.
2. Stage 2: Essential Command Line Skills
File & Directory Management
Creating, moving, and deleting files is the foundation of Linux work.
File Permissions & Ownership
Permissions control security and access across the entire system.
Text Processing: grep, awk, sed
Text tools are indispensable for log parsing and data manipulation.
Pipes, Redirection & I/O Streams
Chaining commands unlocks powerful one-liner data processing.
Package Management (apt, dnf, pacman)
Installing and updating software is a daily Linux administration task.
3. Stage 3: Shell Scripting & Automation
Bash Scripting Fundamentals
Scripting automates repetitive tasks and is a core admin skill.
Variables, Conditionals & Loops
Control flow structures make scripts dynamic and reusable.
Cron Jobs & Task Scheduling
Scheduling automates backups, reports, and maintenance tasks.
Environment Variables & dotfiles
Environment configuration shapes shell behavior and developer workflows.
4. Stage 4: System Administration
User & Group Management
Managing users is a fundamental responsibility of any Linux admin.
Process & Resource Management
Monitoring and controlling processes keeps systems healthy and performant.
Disk & Storage Management
Partitioning and monitoring disk usage prevents critical system failures.
systemd & Service Management
systemd manages every background service on modern Linux systems.
Log Management with journald & syslog
Reading logs is the primary way to diagnose system and app issues.
5. Stage 5: Networking & Security
Linux Networking Fundamentals
Understanding interfaces, IPs, and DNS is critical for any server work.
SSH & Secure Remote Access
SSH is the universal standard for remote server administration.
Firewall Management with ufw & iptables
Firewalls are the first line of defense for any Linux server.
File Integrity & sudo Security
Hardening sudo and file access prevents unauthorized privilege escalation.
6. Stage 6: DevOps & Cloud-Ready Linux
Docker on Linux
Containers are the deployment standard; Linux is their native platform.
Git & Version Control on Linux
Git is essential for every developer and DevOps workflow.
Nginx & Web Server Configuration
Configuring web servers is a core Linux sysadmin and DevOps task.
Linux on Cloud (AWS/GCP/Azure VMs)
Cloud providers run Linux VMs; remote admin skills translate directly.
7. Stage 7: Certification & Job Readiness
Linux Foundation Certified System Administrator (LFCS)
LFCS is the industry-recognized credential for Linux sysadmins.
CompTIA Linux+ Exam Prep
Linux+ validates vendor-neutral skills valued by enterprise employers.
Building a Linux Home Lab Portfolio
Practical projects prove job-ready skills to potential employers.
Interview Prep: Linux Admin Questions
Targeted practice ensures confidence during technical job interviews.