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Book of the Month April 2026

250 Linux Exercises

Hands-on practice is the fastest way to master Linux. 250 real-world exercises covering commands, scripting, networking, security, and server administration.

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OPERATING SYSTEMS

Linux User & Group Admin Cheat Sheet

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Linux Log Management Cheat Sheet

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Linux Backup & Recovery Cheat Sheet

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Linux Package Management Cheat Sheet

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Linux Firewall Cheat Sheet

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SSH Commands & Configuration Cheat Sheet

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Daily IT Tip

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🐧 Linux — Apr 30, 2026

IT Concept: Systemd Unit Types

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