# Ecm disconnect in Linux **URL:** \ **Category:** mangOH Yellow\ **Created:** [September 27, 2021, 9:44am UTC](https://mangoh.discourse.group/t/ecm-disconnect-in-linux/9679 "2021-09-27T09:44:19Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![bruceke](https://avatars.discourse-cdn.com/v4/letter/b/0ea827/32.png) [@bruceke](https://mangoh.discourse.group/u/bruceke)\ **Post date:** [September 27, 2021, 9:44am UTC](https://mangoh.discourse.group/t/ecm-disconnect-in-linux/9679/1 "2021-09-27T09:44:19Z")
My MangOH Yellow cannot ping to 192.168.2.2 shortly after connecting to the PC (unbuntu 16.04) I have tried to refer to this (but I have not installed the modem manger on my PC) > [@Ecm0 communication](https://mangoh.discourse.group/t/ecm0-communication/1458): > > Hello I am using the mangoH green board. it has a virtual Ethernet port over USB called ecm0, using the serial terminal I can see that the IP address is 192.168.2.2 however when connecting the device to my PC via USB (ubuntu 16.04) I can not ping the device, nor ssh it using the developer studio I can not access the device please advice How can I keep connection with MangOH in Linux? ---
**Author:** ![jyijyi](https://sea2.discourse-cdn.com/flex016/user_avatar/mangoh.discourse.group/jyijyi/32/997_2.png) [@jyijyi](https://mangoh.discourse.group/u/jyijyi)\ **Post date:** [September 27, 2021, 10:10am UTC](https://mangoh.discourse.group/t/ecm-disconnect-in-linux/9679/2 "2021-09-27T10:10:11Z")
how about manually set the following in PC? sudo ifconfig ecm0 192.168.2.3 ---
**Author:** ![bruceke](https://avatars.discourse-cdn.com/v4/letter/b/0ea827/32.png) [@bruceke](https://mangoh.discourse.group/u/bruceke)\ **Post date:** [September 27, 2021, 10:16am UTC](https://mangoh.discourse.group/t/ecm-disconnect-in-linux/9679/3 "2021-09-27T10:16:42Z")
It can help me, thanks!