Tutorials

Docker Linux Nginx Security Networking Self-hosting Web Server Reverse Proxy VPS Debian Ubuntu Firewall Virtual Hosts BGP RPKI BIRD2 FRRouting VyOS Anycast SSH Fail2Ban n8n Docker Compose PostgreSQL Workflow Automation SSL TLS Let's Encrypt Certbot HTTPS tmux Terminal VPS Administration Claude Code AI Tools RIPE NCC UFW iptables GNU Screen Terminal Multiplexer Screen Session Webhooks Self-Hosted proxy_pass WebSocket Ollama AI Agents MCP sshd_config Ed25519 Rootless Docker Seccomp AppArmor Containers OpenClaw Hermes Agent Routing IPv6 systemd FRR TypeScript Node.js ROA Routinator AI Agent Telegram Vim Text Editor Server Administration AIOps Observability Monitoring SigNoz Grafana Langfuse Prometheus IP Transit Production Logging Disk Management OpenObserve OpenTelemetry Datadog Alternative GDPR nftables Loki Promtail LogQL Claude AI Workflows LangChain Backup MySQL S3 Rclone Cron Python Log Analysis Discord Slack Disaster Recovery Traefik Caddy WireGuard Tailscale VPN Headscale Alertmanager Self-Healing Performance Zero Downtime GitHub Actions AI Code Review Gemini CI/CD Rate Limiting DDoS Protection BIND9 DNS High Availability Privacy Vaultwarden Password Manager BGPalerter Plakar Encryption Deduplication Immich Photo Management Google Photos Alternative Replication Offsite Backup Paperless-ngx Document Management OCR Gitea Git Plausible Analytics ClickHouse Uptime Kuma Beszel Hardening Failover Multihoming BFD LLM Observability DeepEval Windows Server Veeam Migration Bare Metal Restore VirtIO P2V

Tutorial

Monitoring Linux Firewall

Secure Your AI Agent Server: Sandboxing, Firewalls, and Monitoring

AI agents execute arbitrary actions, consume unpredictable resources, and process untrusted input by design. This guide maps each threat to a concrete Linux control.

12 min readRead →

Tutorial

MCP TypeScript Node.js

Build and Self-Host a Custom MCP Server on a VPS

Build a TypeScript MCP server from scratch, deploy it on a VPS with systemd, and run it behind Nginx with TLS. Connect Claude Desktop, Claude Code, and Cursor to your self-hosted server.

11 min readRead →