[varnish] Document varnish group requirement

Was already documented on the web UI, add it to the yaml example file. [skip ci]
DataDog · Mar 25, 2016 · 3d40c21 · 3d40c21
1 parent f756f87
commit 3d40c21
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/conf.d/varnish.yaml.example b/conf.d/varnish.yaml.example
@@ -1,3 +1,6 @@
+# If you're running Varnish 4.1+, you must add the dd-agent user to the varnish group.
+# $ sudo usermod -G varnish -a dd-agent
+
 init_config:
 
 instances: