I have chromebooks that can access internet correctly using the wifi to 5G gateway. But desktop can’t access all websites using wired connection to 5G gateway. For instance, desktop can access google.com, but duckduckgo.com doesn’t resolve. So I’m expecting there’s something about the dns lookup that is set incorrectly. what does Ubuntu 22.04 need to be set to in order to get access to all the internet sites?
Best answer by bbqbailey
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https://www.makeuseof.com/connect-to-wifi-network-on-ubuntu-server/
Starting all DNS with the T-Mobile gateway (192.168.12.1) is always a good idea.
Good luck!
copz1998, thanks for the suggestion. This didn’t fix the problem, since I was not trying to set up wifi on this desktop. I just mentioned that my other wifi chromebook devices were working.
Thanks again for your help!
I was able to fix my problem.
In case someone else has this issue, I wanted to post what I found that lets my desktop work on either the main comcast lan, or my new T-Mobile Home Internet lan. I switch the cables from my desktop to either lan as needed.
How I fixed: on Ubuntu 22.04, go to Settings, Network, Wired 1 (yours may be named something else), settings wheel, ipv6 tab. Change ‘IPV6 Method’ from ‘Automatic’ to ‘Automatic, DHCP only.
I was able to then click between the two selections, in my case “Wired 1” and “Profile 1”, and that case, it toggled my ip address from 192.168.1.208 to 192.168.12.79, and changed the default router from 192.168.1.1 to 192.168.12.1.
If after you changed the settings, it doesn’t work, try restarting the service using:
sudo systemctl restart systemd-resolved.service
Thanks everyone for your assistance!
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