GoAccess
GoAccess is a fast, real-time web log analyzer that runs in the terminal or browser, perfect for monitoring HTTP traffic and spotting anomalies instantly.
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A real-time, terminal-based web log analyzer that’s lightweight, fast, and requires almost no setup.
Core Features
- Real-time updates (200ms terminal, 1s HTML)
- Supports nearly all web log formats (Apache, Nginx, AWS, etc.)
- Incremental log processing with on-disk persistence
- WebSocket authentication with JWT support
- ASN mapping for security threat detection
What It Can't Do
- •You may need to specify the log format manually if auto-detection fails. 2. Real-time HTML mode requires WebSocket port 7890 to be open. 3. For very large logs, memory usage can be high; use `--max-items` to limit entries.
Use Cases
- SSH into a server and instantly analyze Nginx access logs for anomalies
- Set up a live dashboard to detect DDoS attacks or bot traffic
- Parse CDN logs (CloudFront, S3) to optimize caching strategies
Detailed Introduction
GoAccess is an open-source, real-time web log analyzer and interactive viewer designed for system administrators, DevOps, and security professionals. It parses web server logs (Apache, Nginx, Amazon S3, CloudFront, etc.) in real time and displays statistics in the terminal or via a live HTML dashboard. Key features include real-time updates every 200ms (terminal) / 1s (HTML), minimal configuration, support for large datasets with optimized in-memory hash tables, WebSocket authentication, incremental log processing, ASN mapping for security analysis, and customizable color schemes. It's lightweight (only ncurses dependency) and can output reports in HTML, JSON, and CSV formats. Ideal for quick SSH-based log analysis or permanent monitoring setups.
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Getting Started
Download installer
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Install the software
Double-click the downloaded installer and follow the prompts
Install via package manager: `apt install goaccess` (Linux), `brew install goaccess` (macOS), or use WSL on Windows
Generate a real-time HTML report: `goaccess /var/log/nginx/access.log -o report.html`
View in terminal: `goaccess /var/log/nginx/access.log --log-format=COMBINED`
- Install via package manager: `apt install goaccess` (Linux), `brew install goaccess` (macOS), or use WSL on Windows
- Generate a real-time HTML report: `goaccess /var/log/nginx/access.log -o report.html`
- View in terminal: `goaccess /var/log/nginx/access.log --log-format=COMBINED`
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Open Source Transparency
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Use your package manager to remove: `apt remove goaccess`, `brew uninstall goaccess`. If compiled from source, run `make uninstall` in the source directory.
No Extra Dependencies
Ready to use after download. No additional runtime required.
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