keijo's Scratchpad

Tag: strategy

  • The SSL Triad: Taming Let’s Encrypt, Virtualmin, and NAT on a Single Server

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    keijo
    in ,

    Every sysadmin has that one late-night battle where a “quick certificate renewal” turns into a three-hour trench war against rate limits, NAT reflection, and stubborn control panels. I recently went through exactly this. The battlefield was a single Ubuntu server running Virtualmin, sitting behind a strict firewall (pfSense), and hosting multiple environments. What made this…

  • A 3-Phase Road to CISSP

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    by

    keijo
    in ,

    The path to CISSP certification is a gauntlet of fire – no doubt. But armed with my battle-tested plan, cost-smart resources, and unshakable alpaca-energy, I’m not just preparing; I’m engineering success. Every study hour is a brick in the fortress of my career. Phase by phase, I’ll dismantle domains. Tool by tool, I’ll weaponize knowledge.…