I just got networking back after 3 days of changing every setting I could find. Please tell me, even if generic, what my setting should be. Unlike a couple of other recent threads on losing networking, mine happened when I changed desktop themes and back again. The connection is so preposterous that I wonder if an update took place during a reboot when I changed the desktop settings.
Unlike the other threads, I have the 32 bit version of 13.1 and also the latest KDE.
I have an ethernet connection that previously was listed twice; once as enp2s8, which is the name of the card (not really a card but built into the MB) and also as eth0. I tried using a wireless connection and though recognized it could not connect to my router either. I tried removing all the connections, hoping a reboot would sort the hardware out. It did not. I took the firewall down to see if that was a problem. It was not.
Beside using yast to check settings, I used zenmap and wireshark and a root terminal to connect. None worked. All said the network was unreachable. All other devices in the house could connect.
I connected after I changed a hostname to the name of my computer. Now, I cannot find where that happened. So, I hope you can give me a baseline in case this happens again.
Looking at yast–>hostnames I see localhost and my wireless printer and a bunch of ipv6 listings even though I use only ipv4. I tried adding my router there but that did not work and I removed it.
Looking at yast–>network settings, I have “use ifup” under Global Settings; under overview, the card is the only thing listed and uses DHCP and is described as an ethernet controller, the old eth0 is no longer listed; Hostname lists my pc and domain; Routing lists my router as gateway but no device is listed with it.
Going back to edit the ethernet controller, it is listed in the External Zone of the firewall. When there was a listing for eth0, I think it was listed in the Internal Zone. What is the proper setting for the firewall?
Please evaluate the situation and tell me where I need to make changes or additions.