Ethernet plugged in but there is no internet. I have no idea what happened. I just took a normal update like I always do and after that it was all gone. WiFi connects no problem, but there is no internet. Unplugged Ethernet and replugged it back in. Nothing. I dualboot with windows, internet works fine there, so there is no hardware issue. Went into a live environment and chrooted into it and reinstalled network manager and still not a fucking thing. Not sure what these are now. I know about the lo one, but never seen the second wired connection or the virbr0. Any idea how to get my Internet back? I really don’t want to reinstall the system because of this. And btw, I even tried a hotspot from my phone and a wire tether from it and still no internet.
System is endeavour OS with KDE on Wayland.

6 points

I’m not familiar with EndeavourOS, but I’ll ask a few questions to get the troubleshooting process started:

With the ethernet cable plugged in, can you access your local router config page (if you have one)? e.g.: 192.168.1.1. If not, what happens when you ping the router’s address in the terminal?

If you’re able to successfully ping/access your router, can you ping a well-known IP address such as 8.8.8.8 (google DNS) or 1.1.1.1 (cloudflare DNS)?

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3 points

I can ping my gateway, nameserver, Google DNS 8.8.8.8, 1.1.1.1, but it freezes on 4.4.4.4. I even get really good latency, too

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10 points
*

No one can ping 4.4.4.4, it doesn’t answer pings.

This seems like a dns issue, check cat /etc/resolv.conf and try setting the dns server in Networkmanager to “8.8.8.8”.

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3 points

Or, if you were already using 8.8.8.8, switch to 1.1.1.1.

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8 points

I lost internet after update. I had to

sudo systemctl restart NetworkManager

It then worked for me. Hope this fixes your issue too.

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1 point

Nope. I tried that and it didn’t. I’m so fucking confused as to what the hell just happened.

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2 points

Sorry that’s all I got. Hope someone that is better at networking comes along, also maybe ask in a sysadmin or networking page just to give your issue a bit more exposure to the knowledgeable peoples of Lemmy.

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1 point

I appreciate you trying. No worries. I’ve asked even on the endeavour OS forums. Still awaiting replies.

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1 point

If there’s only one physical ethernet port, I’m not sure why there are two wired connections. You try deleting the inactive one? Could have been a bug in an update script that hosed it.

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0 points

I deleted everything but the one I’ve been using. Someone said the latest update had a firmware update and it is what fucked my machine. Firmware updates can’t be reversed even with timeshift. Fuck, man. I hope I can fix this, otherwise, I’ll have to redo every fucking thing.

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1 point
*

First step to check would be which packages were updated, and whether there are any .pacnew and .pacsave files in /etc
Cause that’s really the only way a pacman update can fuck up networking, by installing a new config file for a networking-related package.

sudo find /etc -name *.pac*

also check if there are systemctl services that didn’t come back up (most likely systemd-resolved)

sudo systemctl --failed

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2 points
*

First command gave nothing.
Second one gave me this

system-network-wait-online.service loaded failed wait for Network to be configured
Legend: LOAD

-> then explains what it is

ACTIVE

-> explains what it is

SUB

-> explains what it is

1 loaded units listed.
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1 point

Hey man I have no idea if it is the same, I’m a noon, but I had issues with a kernel update recently with my Debian home server and lost Ethernet too. I couldn’t fix but I reverted the kernel update and voila my ethernet started working again. If this bothers you and like me you don’t have much knowledge years you could try that .

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2 points

I appreciate you. No worries. I already tried reverting the kernel. Still didn’t work. They pushed a firmware update and it fucked shit up.

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2 points
*

I wanna say fwupd/lvfs manages firmware updates on Arch (and lots of other distros) these days.

You may be able to roll back the latest firmware update with fwupdmgr. What’s the output of fwupdmgr get-devices in your terminal? Also, what is the make/model of the ethernet port that is now on the fritz? You can search for it on the website here: https://fwupd.org/ in the “search for firmware” bar at the top, then you may be able to install the old version with fwupdmgr.

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-1 points

It’s fine. I’m fed up with this shit. I just reinstalled. I have a complete back that I can restore. Fuck this shit, man. Been working on for like 5 fucking hours.

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