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Cake day: June 7th, 2023

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  • My experience working with a vibe coder hired by one of our clients is actually that’s it great for MAXIMUM VP, as in a viable product made up of just under 40k lines of typescript, plus 90+ Node libraries for an app that amounts to a login page, a Square payment gateway and a user settings page (it’s seriously just a signup page for a coastguard and weather alerts service that the rest of our team built in Python and Rust). It crashes if it can’t talk to a database server that hosts no actual databases. It crashes if it doesn’t have the Square API secrets as envars, but the LLM also hard coded them into the API calls. It actually crashes if you try to run it any way other than “npm run dev” (so I srsly set up a service that runs it as npm run dev, as the ubuntu user).












  • This is extremely possible and I have done a lot of stuff like it (I set up my first home built Linux firewall over 20 years ago). You do want to get some kind of multiport network card (or multiple network cards… usb -> ethernet adapters can do OK filling in in a pinch). It also gives you a lot of power if you want to do specific stuff with specific connections (sub netting, isolation of specific hosts, etc).

    There’s a lot of ways to do it, but the one I’m most familiar with is just to use IP tables.

    The very first thing you want to do is open up /proc/sys/net/ipv4/ip_forward and change the 0 to a 1 to turn on network forwarding.

    You want to install bridge-utils and isc-dhcp-server (or some other DHCP server). Google or get help from an LLM to configure them, because they’re powerful and there’s a lot of configs. Ditto if you want it to handle DNS. But basically what you’re going to do (why you need bridge-utils) is you’re going to set up a virtual bridge interface and then add all the various NICs you want on your LAN side into it (or you can make multiple bridges or whatever… lots of possibilities).

    Your basic iptables rule is going to be something like

    iptables -t nat -A POSTROUTING -o enp1s0 -j MASQUERADE, but again there’s lots of possible IP tables rules so read up on those.