Tag:linux

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  01 - a GNU Core Utility - ls

  Published:Aug 9, 2025 |  at 06:53 PM

  Master the Linux ls command with this complete guide covering basic to advanced options, hidden features, and modern alternatives to boost your terminal productivity.

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  SSH Certificate Authentication

  Published:Aug 29, 2024 |  at 10:22 AM

  Minimal SSH certificate authentication lab: three Docker containers (CA, client, server) where we create a CA key, sign a user key and test SSH logins with certificates.

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  Named Pipe

  Published:Jul 12, 2024 |  at 12:20 PM

  Short explanation of named pipes (FIFOs) on Linux and how they differ from regular pipes, plus a small netcat example that turns them into a simple bidirectional TCP proxy.

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  PTArch

  Updated:Jan 2, 2026 |  at 06:20 PM

  PTArch: my Arch-based pentesting environment. Starting from a plain VM, I add Budgie, terminal tweaks and a hand-picked toolset to get a lighter Kali-style lab.