A simple, real-time error monitoring dashboard for HTTP server logs. Point it at an Apache/Nginx log file and instantly see 4xx/5xx errors as they happen.
Built with Bun and TypeScript. Zero production dependencies.
bun install
# watch a log file
bun run src/index.ts --file /var/log/nginx/access.log
# or pipe from stdin
tail -f /var/log/apache2/access.log | bun run src/index.ts
# custom port
bun run src/index.ts --file /var/log/access.log --port 8080Then open http://localhost:7890.
| Flag | Description | Default |
|---|---|---|
-f, --file <path> |
Log file to watch | stdin |
-p, --port <number> |
Dashboard server port | 7890 |
There are plenty of mature log analytics and monitoring tools out there — GoAccess, Grafana + Loki, the ELK stack, Datadog, and many more. Vigil is not trying to compete with or replace any of them.
This is a deliberately simple tool built to do one thing: point it at a log file, and instantly see HTTP errors in real time. No config files, no databases, no agents, no setup — just bun run and go. If you need advanced querying, long-term storage, or enterprise-grade observability, use the right tool for the job. If you just want a quick glance at what's going wrong on your server right now, that's what Vigil is for.