Added Citrix to the KB

knowledge base/citrix.md

@@ -0,0 +1,10 @@
+# Citrix
+
+## TL;DR
+
+```sh
+# Disable autostart on Mac OS X.
+find /Library/LaunchAgents /Library/LaunchDaemons \
+  -iname "*.citrix.*.plist" \
+  -exec sudo -p 'sudo password: ' mv -fv {} {}.backup ';'
+```