Master Linux administration — the backbone of cloud and DevOps. Most servers worldwide run Linux, and sysadmin skills are essential for any infrastructure or DevOps career.
Master the command line: file system, permissions, users/groups, processes, and shell basics. Everything starts here.
By the end, you'll be able to
Mini-project
Set up a Linux VM (Ubuntu/CentOS). Complete 50 command-line exercises covering all basic operations.
Recommended Resources
Open Source Security Foundation (OpenSSF)
OpenSSF / Linux Foundation
Cybersecurity Essentials - Linux Foundation
Linux Foundation (via edX)
Nano-life: An Introduction to Virus Structure and Assembly
MIT OpenCourseWare
Plates and Shells
MIT OpenCourseWare
Introduction to Applied Nuclear Physics
MIT OpenCourseWare
Install packages, manage services, configure networking, set up storage, and handle system logs. The daily life of a sysadmin.
By the end, you'll be able to
Mini-project
Set up a complete Linux server: web server, database, firewall rules, user accounts, and automated backups.
Automate repetitive tasks with Bash scripts. Learn variables, loops, functions, cron jobs, and writing production-quality scripts.
By the end, you'll be able to
Mini-project
Write 10 automation scripts: log rotation, backup, user provisioning, health checks, and disk monitoring with email alerts.
Set up and manage Nginx/Apache, configure SSL/TLS, reverse proxies, and deploy web applications on Linux.
By the end, you'll be able to
Mini-project
Deploy a full web stack: Nginx reverse proxy, Node.js app, PostgreSQL, SSL, and domain configuration.
Keep systems healthy. Learn monitoring with Prometheus/Grafana, log analysis, and systematic troubleshooting methodology.
By the end, you'll be able to
Mini-project
Set up a monitoring stack: Prometheus + Grafana dashboards for CPU, memory, disk, and network. Create alert rules.
RHCSA is the gold standard Linux certification. It validates hands-on skills and is highly valued in Indian IT companies.
By the end, you'll be able to
Mini-project
Complete 10 RHCSA practice exams. Set up lab environments for every exam objective. Take the real exam.
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