Question 1

How to configure Ostent to send metrics to InfluxDB?

Accepted Answer

Add an [outputs.influxdb] section to your config file (default ~/.ostent.toml) with database and URL settings, as shown in the README example. Ostent uses Telegraf-compatible syntax, so existing InfluxDB setups integrate easily.

Question 2

Ostent vs Telegraf: which one should I use?

Accepted Answer

Use Ostent if you need a lightweight, standalone tool with a built-in web interface for real-time display on individual servers. Choose Telegraf for broader plugin support, centralized agent management, and more extensive ecosystem features without the live dashboard.

Question 3

Does Ostent support alerting or notifications?

Accepted Answer

No, Ostent does not include alerting capabilities. It focuses on metrics collection, display, and reporting to external databases, so you'll need to set up separate alerting tools like Grafana or InfluxDB Kapacitor for notifications.

Question 4

Can Ostent monitor custom application metrics?

Accepted Answer

No, Ostent is limited to standard system metrics like CPU, memory, disk, and network. For custom metrics, you would need to modify the source code or use a different tool like Prometheus with exporters.

Question 5

How to install Ostent on Ubuntu quickly?

Accepted Answer

Download the Linux binary tarball from the releases page using curl and tar, as per the README. For system-wide install, use sudo to extract to /, making ostent available as a command-line tool.

Question 6

Is Ostent suitable for monitoring multiple servers?

Accepted Answer

Not ideally—Ostent runs per server without built-in aggregation, so you'd need to deploy it individually on each machine and manage configurations separately, which can be tedious for large fleets.

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