## Via init.d commands
As mentioned before, the init.d commands **dump**, **show** and **mrtg** fetch data from a running PowerDNS process. Especially **mrtg** is powerful - it outputs data in a format that is ready for processing by the MRTG graphing tool.
-MRTG can make insightful graphics on the performance of your nameserver, enabling the operator to easily spot trends. MRTG can be found on the (MRTG website)[http://people.ee.ethz.ch/~oetiker/webtools/mrtg/mrtg.html]
+MRTG can make insightful graphics on the performance of your nameserver, enabling the operator to easily spot trends. MRTG can be found on the [MRTG website](http://oss.oetiker.ch/mrtg/).
A sample mrtg.conf: