MCP servers on a VPS for AI coding agents
Run Model Context Protocol servers on your own VPS so AI agents get real tools: stdio and remote HTTP transports, systemd, TLS, auth, and every failure mode.
systemd
Keeping a service running across reboots and crashes. Units, timers, logs, and why a service that works by hand fails under systemd.
Filtering by topic #systemd · clear
Fail2ban on Ubuntu 24.04: stop SSH attacks
Install and configure Fail2ban on Ubuntu 24.04 to ban brute-force SSH attackers at the firewall: verify the stock jail, tune bans, recover from lockout.
Self-host a WireGuard VPN on your VPS
Set up WireGuard on your own Linux VPS: key generation, wg0.conf, IP forwarding, NAT, AllowedIPs semantics, DNS, and the handshake failures that bite.
Certbot on Ubuntu 24.04: Let's Encrypt + nginx
Install Certbot on Ubuntu 24.04 with apt or snap, get a Let's Encrypt cert for nginx, and fix the port 80 failures that break HTTP-01 renewal on a live box.