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Here's a detailed step-by-step guide demonstrating how to install Coroot on Ubuntu VPS. What is Coroot? Coroot is an open-source observability tool that helps you monitor and troubleshoot your applications using eBPF. It provides deep insights into service dependencies, performance bottlenecks, and anomalies in real-time. Prerequisites Before you begin: A VPS with Ubuntu 20.04+ sudo privileges Ports 8080, 3000, and 9090 open (for Coroot, Grafana, and Prometheus) Optional: Docker and Docker Compose installed (preferred deployment method) How to Install Coroot on Ubuntu VPS To install Coroot on Ubuntu VPS, follow the steps provided: Update Your System sudo apt update && sudo apt upgrade -y Install Docker & Docker Compose If not already installed: sudo apt install -y docker.io docker-compose sudo systemctl enable docker sudo systemctl start docker Create a Docker Compose File for Coroot Create a working directory: mkdir ~/coroot && cd ~/coroot Create the docker-compose.yml file: nano docker-compose.yml Paste the following configuration: version: '3.7' services: prometheus: image: prom/prometheus volumes: - ./prometheus.yml:/etc/prometheus/prometheus.yml command: - '--config.file/etc/prometheus/prometheus.yml' ports: - "9090:9090" coroot: image: ghcr.io/coroot/coroot:latest ports: - "8080:8080" depends_on: - prometheus environment: - PROMETHEUS_URLhttp://prometheus:9090 Add Basic Prometheus Configuration Create a basic prometheus.yml file: nano prometheus.yml Paste: global: scrape_interval: 15s scrape_configs: - job_name: 'prometheus' static_configs: - targets: Start Coroot and Prometheus Now start the services: docker-compose up -d Verify that all services are running: docker ps Access Coroot Dashboard Open your browser and go to: http://your-server-ip:8080 You should see the Coroot UI! Optional: Enable eBPF Monitoring (Linux Only) Coroot can use eBPF for deep visibility: Install required dependencies: sudo apt install -y linux-headers-$(uname -r) bpfcc-tools Add the Coroot Node Agent as another service in docker-compose.yml: agent: image: ghcr.io/coroot/coroot-node-agent:latest network_mode: host pid: host privileged: true volumes: - /sys:/sys - /proc:/proc Restart the stack: docker-compose down && docker-compose up -d (Optional) Add Grafana To visualize more metrics: grafana: image: grafana/grafana ports: - "3000:3000" environment: - GF_SECURITY_ADMIN_PASSWORDadmin depends_on: - prometheus Access Grafana at: http://your-server-ip:3000 Default credentials: admin/admin Notes For production, configure Prometheus to monitor your real services. Secure your stack with a reverse proxy and SSL (e.g., Nginx + Let's Encrypt). Monitor Docker resource usage with docker stats. Nginx Reverse Proxy with SSL for Coroot Install Nginx and Certbot sudo apt update sudo apt install -y nginx certbot python3-certbot-nginx Allow HTTP/HTTPS traffic: sudo ufw allow 'Nginx Full' Start Coroot Stack If you haven’t already: mkdir ~/coroot && cd ~/coroot nano docker-compose.yml Paste this (including Prometheus + Coroot): version: '3.7' services: prometheus: image: prom/prometheus volumes: - ./prometheus.yml:/etc/prometheus/prometheus.yml command: - '--config.file/etc/prometheus/prometheus.yml' ports: - "9090:9090" coroot: image: ghcr.io/coroot/coroot:latest ports: - "8080:8080" depends_on: - prometheus environment: - PROMETHEUS_URLhttp://prometheus:9090 Then create the Prometheus config file: nano prometheus.yml Paste: global: scrape_interval: 15s scrape_configs: - job_name: 'prometheus' static_configs: - targets: Launch the stack: docker-compose up -d Configure Nginx Reverse Proxy Replace coroot.example.com with your real domain. sudo nano /etc/nginx/sites-available/coroot Paste the following: server { listen 80; server_name coroot.example.com; location / { proxy_pass http://localhost:8080; proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection 'upgrade'; proxy_set_header Host $host; proxy_cache_bypass $http_upgrade; } } Enable it: sudo ln -s /etc/nginx/sites-available/coroot /etc/nginx/sites-enabled/ sudo nginx -t sudo systemctl reload nginx Install Let's Encrypt SSL Run Certbot for your domain: sudo certbot --nginx -d coroot.example.com Follow the prompts to install the SSL certificate. Certbot will automatically update your Nginx config with HTTPS and renewal. (Optional) Auto-Renewal Test Ensure Certbot renewals work: sudo certbot renew --dry-run Final Access Now you can securely access Coroot at: https://coroot.example.com Troubleshooting Issue Solution Nginx 502 Bad Gateway Ensure Docker containers are running with docker ps Port 8080 not exposed Make sure Nginx is using localhost:8080, not Docker IP Certbot failed Confirm DNS is pointing to VPS and port 80 is open Add HTTP Basic Authentication to Coroot (via Nginx) Install Apache utils (for htpasswd) sudo apt install apache2-utils Create a Password File This will create the user admin. You can change the username. sudo htpasswd -c /etc/nginx/.htpasswd admin You'll be prompted to enter a password. Update Nginx Config Edit the Coroot Nginx site config: sudo nano /etc/nginx/sites-available/coroot Update the location / block like this: location / { auth_basic "Restricted Access"; auth_basic_user_file /etc/nginx/.htpasswd; proxy_pass http://localhost:8080; proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection 'upgrade'; proxy_set_header Host $host; proxy_cache_bypass $http_upgrade; } Save and exit. Then: sudo nginx -t sudo systemctl reload nginx Apply Firewall Rules with UFW Enable UFW if Not Already sudo ufw enable Allow Only Required Ports sudo ufw allow OpenSSH # SSH sudo ufw allow 'Nginx Full' # HTTP/HTTPS (80/443) Deny Everything Else sudo ufw default deny incoming sudo ufw default allow outgoing Status Check sudo ufw status verbose Final Test Visit https://coroot.example.com — it should prompt for a username and password. Only ports 22, 80, and 443 should be accessible from outside. Conclusion Using this guide, you now know: ✅How to install Coroot on Ubuntu VPS ✅How to configure Coroot with reverse proxy and SSL encryption ✅How to add Http basic authentication and apply firewall rules using UFW

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