friendica.eskimo.com

maliciousonion via Linux lemmy (AP)

[SOLVED] Internet strangely stops working after one day of installation.

This is an Acer Aspire one laptop, with a 32 bit CPU and Debian 12.7. Whenever I install Linux on it, the Internet works for about one day. And when I boot it up the next day, it just stops working. This is the case for WiFi, Ethernet and USB tethering via Android.

After running networkctl it gave me this:

Image/Photo

I can ping 8.8.8.8 in this state, but not gnu.org. I can't open websites in Firefox either.

Image/Photo

Image/Photo

Then I ran "sudo systemctl start systemd-networkd". The networkctl output changed but everything worked exactly as the above two images. Couldn't open websites still.

Image/Photo

Yesterday everything was working perfectly

Edit: Thanks to @nanook@friendica.eskimo.com and @MyNameIsRichard@lemmy.ml I finally have internet access on my 12-year old e-waste!

This entry was edited (2 weeks ago)
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hackerwacker lemmy (AP)

Why are you using networkd instead of networkmanager on a desktop? The two don't work together.

Anyway, it looks like a DNS problem. You can manually specify DNS servers (like 8.8.8.8, 8.8.4.4) in whatever network management you're using.

Alternatively you can edit ~~/etc/hosts~~ (I meant /etc/resolv.conf obviously) and then make it immutable (chattr +i /etc/hosts) to prevent changes.

This entry was edited (2 weeks ago)
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ugo lemmy (AP)
Why are you using networkd instead of networkmanager on a desktop?


What a weird question. Networkd works anywhere systemd works, why whould desktops be any different.

It’s the same as asking someone “why are you using systemd-boot instead of grub? Because I like systemd boot better and it’s easier to configure. Same with networkd, configuration is stupid simple, I have installed it on my work machine even.

As for op: since you can manually ping ip addresses and the issue seems to be time-based, could it be that your machine is somehow not renegotiating a dhcp lease?

This entry was edited (2 weeks ago)
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maliciousonion lemmy (AP)
Well the machine's time is off by a few hours after I power it off for a night. So the time is incorrect right now. This might explain why it suddenly stops when I wake up and reopen it a day after installation. Should I manually set the correct time to fix it?
1 1
ugo lemmy (AP)

If the time is off by that much after being powered off, this tells me two things:
1. Your RTC battery is very likely dead. Should be simple to replace, it would be on the motherboard but then again accessing it might be a little tricky on a laptop
2. NTP is probably not set up, or set up incorrectly. It should automatically sync the time on boot

An incorrect clock can absolutely cause network issues, so I would bet that’s what is causing you trouble

2 1
hackerwacker lemmy (AP)
Nobody asked you, you beaver's cock.
1 3 1
Nanook friendica
Fact that you can still ping but not resolve means your name servers aren't set right.
20 1
maliciousonion lemmy (AP)
What can I do to fix the problem here?
Nanook friendica
@maliciousonion You can go into network manager and specify different working name servers, you can cat /etc/resolv.conf to make sure it is sane.
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MyNameIsRichard lemmy (AP)

Update /etc/systemd/resolved.conf and add some DNS servers (in this example, 1.1.1.1 is CloudFlare, and 8.8.8.8 and 8.8.4.4 are Google but you can use your preferred DNS servers.)

[Resolve]
DNS=1.1.1.1 8.8.8.8
FallbackDNS=8.8.4.4

Restart system resolved:

service systemd-resolved restart

Run resolvectl status (or systemd-resolve --status in older versions of systemd) to see if the settings took.

If they don't take after a reboot, there's something else going on.

This entry was edited (2 weeks ago)
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maliciousonion lemmy (AP)
Tysm, @MyNameIsRichard@lemmy.ml and @nanook@friendica.eskimo.com.
[Resolve]
DNS=1.1.1.1 8.8.8.8
FallbackDNS=8.8.4.4

I added this to the file /etc/resolv.conf and it's working again.
8
Nanook friendica
If worse comes to worse, you can always just remove the symlink of /etc/resolv.conf which presently will point to something in /run/systemd, and replace it with a static file with known good name servers in it. You'll lose having a DNS cache but at least your machine will function.
2 1
ddh lemmy (AP)
0 days since it was DNS
16 1

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