safawafa Posted May 12, 2017 Posted May 12, 2017 As a newbie struggling for a month trying to find resources to set a static IP for Wifi DHCP and to get my PC to directly communicate to my OPZ via ethernet so I can be mobile... I am ecstatic to stumble across this solution, and had to share. Basically all you need to do is add a few bits of info to the /etc/network/interfaces file that is first made to setup wifi on the OPZ (https://www.youtube.com/watch?v=8zGRAPguaSQ). Here is the modified /etc/network/interfaces file contents that worked for me, in blue: auto lo iface lo inet loopback auto eth0 allow-hotplug eth0 iface eth0 inet static #last word changed from dhcp in original address 192.168.137.2 #manually set static IP: in range of default gateway found below. netmask 255.255.255.0 #default from below line location on pc gateway 192.168.137.1 #default pc ethernet router IP, found in "network connections>ethernet>properties>TCP IPv4" or cmd "ipconfig>ethernet autoconfig IPv4" allow-hotplug wlan0 iface wlan0 inet manual wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf iface default inet static #last word changed from dhcp in original address 10.0.1.99 #manually set statis IP; in range of defualt OPi gateway from below netmask 255.255.255.0 #default from above on PC gateway 10.0.1.1 #default OPi ethernet gateway address, from "route -ne" command, on Eth0 line --> Descriptions for finding the relevant IP addresses directly from your PC and OPi are embedded above, but can also be found via this tutorial video which I first used (https://www.youtube.com/watch?v=5DCPDQnRXm8) NOTE: You have to remove the #inline description comments from the code above for it to work. And that's it; no additional installations or configuration required on your PC or OPi... hope it helps.
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