How to interact with the OpenWrt service picod on the command line via ubus
![](/sites/default/files/images/cm4-wrt-a-listing-picod-procedures-methods-and-arguments.png)
The CM4-WRT-A software includes a service called picod, which naively supports ubus (micro bus). The OpenWrt micro bus architecture provides inter-process communication between various daemons and applications in the OpenWrt project.