https://2.nagc.cc/ Short notes on networking, Linux and self-hosting by Elliot Marsh. Sun, 12 Oct 2026 12:00:00 +0000 en-us 240 https://2.nagc.cc/posts/tiny-vps-2026.html https://2.nagc.cc/posts/tiny-vps-2026.html Sun, 12 Oct 2026 00:00:00 +0000 512 MB of RAM and one core will host a blog, a reverse proxy and a few small services — if you keep things boring. https://2.nagc.cc/posts/mtu-tunnels.html https://2.nagc.cc/posts/mtu-tunnels.html Mon, 14 Aug 2026 00:00:00 +0000 Why connections work fine for TCP and stall for TLS, and how to spot the 57-byte clue before you waste an afternoon. https://2.nagc.cc/posts/ubuntu-dns.html https://2.nagc.cc/posts/ubuntu-dns.html Thu, 02 Jun 2026 00:00:00 +0000 systemd-resolved is a fine stub and a terrible single point of failure. A static resolv.conf is sometimes the honest answer. https://2.nagc.cc/posts/free-certs.html https://2.nagc.cc/posts/free-certs.html Sat, 17 Mar 2026 00:00:00 +0000 ACME made TLS renewal invisible. That is mostly good — until you forget which box holds the keys.