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securityhardening

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Learn Linux system administration through hands-on labs, covering command-line, file management, user administration, security, networking, and maintenance. Perfect for CompTIA Linux+ certification prep.

  • Updated Oct 23, 2025

Simulate the initial days of tasks a junior engineer might encounter in their role. This hands-on experience covers essential system administration tasks from system navigation to user management, which might typically be completed in just one day of intensive training.

  • Updated Oct 23, 2025

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