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Trinetra
Self-hosted server monitoring in one ~12 MB daemon
One small Go daemon per Linux server: live dashboards, 30 days of history, alerts to Telegram, Slack, Discord, email, ntfy or a webhook. Add a web UI with passkey sign-in, a public status page, and fleet mode with one join token. Self-hosted, no cloud.
Hi Product Hunt 👋
I built Trinetra because monitoring a handful of Linux servers kept turning into running a monitoring stack: a time-series database, an agent, a dashboard and an alert router, each with its own config and upgrades.
Trinetra is one small daemon per server. It collects, stores 30 days of history, decides when something is wrong and tells you, on its own. Measured on a real box it uses about 11.6 MB of memory and ~0.4% of one core. The core is Go standard library only, enforced by a test.
What you get:
• Live dashboards for CPU, memory, disks, containers, systemd services and processes
• Alerts to Telegram, Slack, Discord, email, ntfy, Gotify or a webhook, with "Who gets what" routing, quiet hours and silences
• An optional web UI with passkey sign-in (no passwords) and roles
• A public status page with named services and incident updates
• Fleet mode: sudo trinetra fleet init on one server, a join token on the others; nodes stream to the master over mutual TLS and catch up after a network split
• Updates signed twice (build pipeline and an offline maintainer key) that roll themselves back if the new build isn't healthy within 90 seconds
It's self-hosted and the source is on GitHub under FSL-1.1-ALv2. Free to run on your own servers.
I'd love to hear what you monitor today and what would make you switch. Happy to answer anything in the comments.
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About Trinetra on Product Hunt
“Self-hosted server monitoring in one ~12 MB daemon”
Trinetra was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #156 on the daily leaderboard. One small Go daemon per Linux server: live dashboards, 30 days of history, alerts to Telegram, Slack, Discord, email, ntfy or a webhook. Add a web UI with passkey sign-in, a public status page, and fleet mode with one join token. Self-hosted, no cloud.
Trinetra was featured in Linux (7.8k followers), Developer Tools (521.6k followers) and GitHub (41.4k followers) on Product Hunt. Together, these topics include over 123k products, making this a competitive space to launch in.
Who hunted Trinetra?
Trinetra was hunted by Suraj Tiwari. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how Trinetra stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Suraj Tiwari