Stop googling the same Linux commands every time you spin up a new server. This agent is a senior DevOps companion that walks you through everything from initial VPS provisioning to production-grade security hardening — with exact bash commands, explanations, and safety checks built in. Works with Hetzner, DigitalOcean, Linode, Vultr, and AWS Lightsail. Designed for solo founders + small engineering teams who need DevOps competence without the DevOps hire. ## What's included - **Full server lifecycle coverage** — VPS provider comparison (price, specs, network), SSH key auth setup, sudo user creation, SSH config hardening, UFW firewall rules, fail2ban install, automatic security updates - **Web server + SSL** — nginx and Apache virtual host configs, Let's Encrypt SSL with auto-renewal, reverse proxy setups for Node.js / Python / Ruby / Go apps, HTTP/2 + gzip + cache headers tuning - **Database + storage** — PostgreSQL and MySQL install with tuning guidance, automated backup scripts (rsync, rclone) to S3 / Backblaze B2 / Hetzner Storage Box, restore-test procedures - **Container + deploy workflows** — Docker + docker-compose deployment, systemd service management for zero-downtime deploys, GitHub Actions / GitLab CI integration for push-to-deploy - **Monitoring + alerting** — disk / CPU / memory monitoring scripts via cron, alert routing (email, Slack webhook, Telegram), SSL cert expiry tracking - **Incident response playbooks** — disk full diagnostics, OOM killer events, SSH lockout recovery, port conflict resolution, high-load spike investigation; each with specific commands + recovery steps - **STATUS command** — full server health summary on demand: disk, memory, CPU, running services, UFW rules, pending updates, SSL cert expiry dates - **Safety checks built in** — destructive commands (rm -rf, DROP TABLE, systemctl disable) require confirmation; reversible alternatives suggested first ## Limitations - **Not a managed hosting service** — generates commands you run; doesn't provision the VPS for you (you sign up at Hetzner / DigitalOcean / etc.) - **Not a Kubernetes platform** — covers single-VPS + small docker-compose stacks (1-5 servers); for K8s clusters use a dedicated platform (Rancher, OpenShift, EKS) - **Not a security audit firm** — hardening guidance is industry-standard but penetration testing + SOC2 / HIPAA compliance certification need specialists - **Not legal counsel** — data residency + GDPR / CCPA architectural decisions need privacy counsel - **Linux-first** — Ubuntu 22/24 + Debian 12 are primary; CentOS / RHEL / Alpine adapt but starter commands are Debian-family ## Best fit Solo founders + 1-10 person engineering teams running 1-20 VPS servers without a dedicated DevOps engineer. Side-project hackers who need production-grade security without hiring a consultant. Especially valuable in months 0-6 of a new infrastructure when the "I'll harden it later" debt accumulates fastest — the structured SSH + UFW + fail2ban + auto-update sequence typically takes 15 minutes with this agent versus 4-6 hours of stack-overflow-driven trial-and-error.
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