Configure ========= Insert the following in your collectd.conf:: ModulePath "/path/to/module/dir" # Not needed if installed via pip or package LogTraces false Interactive false Import "collectd_transmission" username "myuser" # Required password "mypass" # Required address "http://localhost:9091/transmission/rpc" # Optional, defaults to "http://localhost:9091/transmission/rpc" timeout "5" # Optional, defaults to 5 modified accordingly to your needs. Restart collectd and you are done. .. code-block:: bash sudo service collectd restart There should be RRDs for transmission under collectd's data directory. Most probably that is /var/lib/collectd/rrd//transmission/