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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

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[SOLVED] Internet strangely stops working after one day of installation. (lemmy.ml)

submitted 2 weeks ago* (last edited 2 weeks ago) by maliciousonion@lemmy.ml to c/linux@lemmy.ml

11 comments fedilink hide all child comments

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:

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

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.

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!

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[–] hackerwacker@lemmy.ml -2 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

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.

[–] ugo@feddit.it 8 points 2 weeks ago* (last edited 2 weeks ago) (2 children)

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?

[–] maliciousonion@lemmy.ml 2 points 2 weeks ago (1 children)

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?

[–] ugo@feddit.it 3 points 2 weeks ago

If the time is off by that much after being powered off, this tells me two things:

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
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