collectd

TLDR

Show usage help, including the program version

$ collectd -h

Test the configuration file and then exit

$ collectd -t

Test plugin data collection functionality and then exit

$ collectd -T

Start collectd

$ collectd

Specify a custom configuration file location

$ collectd -C [path/to/file]

Specify a custom PID file location

$ collectd -P [path/to/file]

Don't fork into the background

$ collectd -f