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Cake day: February 17th, 2024

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  • You don’t need public DNS. You can use whatever domain you want if you use your own DNS server (though you should use one you own, or something under the .internal TLD).

    Likewise, you can issue whatever certs you want if you trust the CA.

    But LE does support wildcard certs. You can get them with certbot or other tools.

    Personally I use traefik, which has LE support built in. It automatically gets an individual cert for each service. If you use caddy, I’m sure it has something similar.


















  • What are the crazy historical reasons? As far as I know, running six ttys and one graphical session, in that order, has been standard.

    The really crazy historical way to test for crashes is num/scroll/caps lock. That’s handled by a very low-level kernel driver. If those are responsive, it’s probably just your display (gpu, X, wayland, or something) that’s locked up. If they’re unresponsive, your kernel is locked up. (If you’re lucky, it’s just gotten real busy and might catch up in a minute, but I’ve only seen that happen once.)