The Ultra-Light All-in-One Monitoring Agent

Built in Rust for maximum performance. Single binary. < 20MB RAM footprint. 0 JS heavy frontend. Real-time metrics via SSE & HTMX.

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VPS Metrics

SYSTEM STATUS ONLINE

CPU USAGE 12%

MEM USAGE 24%

DISK I/O 45%

Docker Containers

notifications 2 ALERTS

nginx_proxy RUNNING

Uptime: 14d 2h

db_postgres STOPPED

Uptime: 0m

Critical: Process terminated unexpectedly.

api_backend RUNNING

Uptime: 2d 5h

Engineered for Efficiency

memory

Rust Performance

Compiled to a single binary under 20MB. Operates with a minimal RAM footprint (< 30MB) while providing asynchronous, non-blocking monitoring via Tokio.

hub

Dynamic Discovery

Automatically connects to the Docker Unix socket to discover, monitor, and track the lifecycle of containers without manual configuration.

speed

HTMX Real-time UI

Zero heavy JS frameworks. Uses Server-Sent Events (SSE) and HTMX to stream HTML fragments directly to the DOM for a sub-millisecond dashboard experience.

Intelligent Alerting

RustVpsMon includes a built-in stateful alerting engine. It deduplicates alerts to prevent spam, tracks resolution states, and supports direct SMTP email dispatch or JSON webhooks for Discord, Slack, and Gotify.

check_circle Anti-spam deduplication logic

check_circle Native SMTP client (No API required)

check_circle Discord/Slack webhook integration

ALERT CONFIGURATION (ENV)

RUSTMON_CPU_THRESHOLD_PCT=90.0
RUSTMON_RAM_THRESHOLD_PCT=90.0
RUSTMON_SMTP_HOST=smtp.example.com
RUSTMON_EMAIL_TO=admin@domain.com
RUSTMON_WEBHOOK_URL=https://discord.com/api/...

Tech Stack

settings_ethernet

Rust

Performance and memory safety without a garbage collector.

lan

Axum & Tokio

High-concurrency async web server and runtime for maximum throughput.

bolt

HTMX & SSE

Zero-JS real-time UI updates via Server-Sent Events and HTML fragments.

database

SQLite & sqlx

Lightweight, local storage with compile-time verified SQL queries.

container

Bollard

Asynchronous interface to the Docker API for container lifecycle tracking.

monitoring

Sysinfo

Native system monitoring for CPU, memory, and disk I/O metrics.

Ready to monitor your VPS?

Deploy the single binary, point it to your Docker socket, and get instant visibility into your infrastructure.

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