Monitor your servers
with confidence
Strajer is a lightweight, self-hosted monitoring platform with master-agent architecture. Track CPU, memory, disk, services, and more across your entire infrastructure.
Everything you need to monitor your fleet
From real-time metrics to remote command execution, Strajer provides a complete monitoring toolkit.
Real-time Metrics
Monitor CPU, memory, disk usage, and load averages with configurable collection intervals. View 1h, 12h, or 24h performance history charts.
Smart Alerting
Define custom alert rules with configurable thresholds and severity levels. Get notified via email when your servers need attention.
Server Fleet Management
Manage your entire server fleet from a single dashboard. Visual heatmap shows resource usage at a glance across all servers.
Health Checks
Monitor HTTP/HTTPS endpoints with automated health checks. Track uptime percentages and response times for your web services.
Remote Commands
Execute commands across multiple servers simultaneously. Quick command shortcuts and full command history for operations.
Service Monitoring
Track systemd services, view process lists, network interfaces, and system updates. Full visibility into each server.
Bulk Operations
Deploy configurations, run Ansible playbooks, and manage system updates across your entire fleet from a single interface.
Role-Based Access
Three-tier RBAC with Admin, Operator, and Viewer roles. Control who can view, operate, or administer your monitoring platform.
Lightweight Agent
The Go-based agent uses minimal resources with a ring buffer for offline metrics. Supports Linux on AMD64, ARM64, and ARM.
See Strajer in action
A clean, intuitive interface designed for system administrators and DevOps teams.
The main dashboard with fleet heatmap, server status overview, and recent alerts.
Simple, powerful design
A master-agent architecture that's easy to deploy and scales with your infrastructure.
Strajer Master
NestJS API + Angular Dashboard
Web Server
Ubuntu 22.04
Database Server
Debian 12
App Server
Rocky Linux 9
Backend
Frontend
Agent
Get started in minutes
Download the Strajer master application and agent binaries for your platform.
Strajer App
Master server (API + Dashboard)
Single binary containing the NestJS API server and Angular dashboard. Just configure your PostgreSQL database and run.
Linux
Quick start:
chmod +x strajer-app && ./strajer-appStrajer Agent
Monitoring agent for servers
Lightweight Go agent that collects system metrics and reports to the master. Built-in ring buffer for offline operation.
Linux
macOS
Configuration:
/etc/strajer/agent.yamlSimple, transparent pricing
Self-hosted and open source. Pay nothing or get support.
Community
For individuals and small teams
- Unlimited servers
- All monitoring features
- Health checks
- Alert rules & email notifications
- Remote command execution
- Community support
Professional
For growing teams and businesses
- Everything in Community
- Priority email support
- Slack & webhook notifications
- Custom dashboards
- API access
- Ansible integration
- Bulk deployment tools
Enterprise
For large organizations
- Everything in Professional
- Dedicated support engineer
- On-premise installation help
- Custom integrations
- SLA guarantees
- Training & onboarding