Introduction
HostAtlas is an infrastructure intelligence platform for teams that run their own Linux servers. Install a single lightweight agent and HostAtlas automatically discovers everything on your machine — domains, services, containers, databases, certificates, cron jobs, firewall rules — and keeps watching it 24/7.
Why HostAtlas
Section titled “Why HostAtlas”Traditional monitoring tools make you describe your infrastructure first, then start collecting data. HostAtlas flips that: you install the agent, wait 30 seconds, and see the full picture. No YAML configs, no target lists, no manual inventory.
It is built for small ops teams, agencies, and solo operators who want the clarity of an enterprise observability stack without the enterprise-stack setup cost.
Key Features
Section titled “Key Features”Auto-discovery
Section titled “Auto-discovery”A single agent scans the host and reports every domain, nginx/Apache vhost, Docker container, systemd service, SSL certificate, open port, cron job, queue, and installed package. Discovery runs on install and on a schedule — if someone deploys a new vhost at 3am, it shows up automatically.
Monitoring
Section titled “Monitoring”- Server metrics — CPU, RAM, disk, swap, load, network, with per-disk thresholds
- Uptime monitors — HTTP/TCP/ICMP checks from external probes
- Heartbeats — inbound pings from cron jobs and background workers
- SSL tracking — expiry, issuer, chain validity, CDN/proxy detection
- Backup monitoring — verify scheduled backups actually ran and succeeded
Security
Section titled “Security”- Attack Mode — high-frequency telemetry (5s) with a live attack dashboard and one-click IP banning
- Firewall — managed UFW + Fail2Ban UI, with SSH-safety guardrails
- Ransomware detection — file-integrity monitoring and entropy analysis on critical paths
Automations
Section titled “Automations”16 automation types — scheduled backups, SSL renewal, disk cleanup, stale-server alerts, service recovery, container restarts, auto IP-banning, log pattern alerts, and more. See Automations.
AI-native
Section titled “AI-native”Every surface is accessible to LLMs. The MCP server exposes 29 tools to Claude Code, Cursor, and Windsurf. The CLI covers 60+ operations for scripting. An in-platform assistant answers plain-language questions about your infrastructure.
Open-source agent
Section titled “Open-source agent”The agent is open-source Go. You can audit it, build it yourself, and run it on air-gapped hosts.
Where to next
Section titled “Where to next”If you prefer to read before installing, jump to Servers for an overview of what the dashboard looks like once the agent reports in.