collectd

system performance statistics collection daemon

TLDR

Test the configuration file and exit

$ collectd -t

Test plugin data collection functionality

$ collectd -T

Start collectd daemon

$ collectd

Specify a custom configuration file

$ collectd -C [path/to/file]

Specify a custom PID file

$ collectd -P [path/to/file]

Run in foreground (don't fork)

$ collectd -f

collectd is a daemon that collects, transfers, and stores system performance statistics. It supports numerous input plugins for collecting metrics and output plugins for storing or forwarding data.Common use cases include monitoring system resources, network statistics, and application metrics.

PARAMETERS

-t

Test configuration file syntax

-T

Test plugin data collection

-C file

Use specified configuration file

-P file

Write PID to specified file

-f

Don't fork into background

-h

Display help and version

CONFIGURATION

/etc/collectd.conf

Main configuration file controlling plugins, intervals, and output destinations.

~/.collectdrc

User-specific configuration file.

INSTALL

sudo apt install collectd-core

sudo dnf install collectd

sudo apk add collectd

sudo zypper install collectd

brew install collectd

nix profile install nixpkgs#collectd

CAVEATS

Configuration requires careful setup of input and output plugins. Some plugins may require additional libraries. Running without proper output plugins will collect data but not store it.