Linux нет интернета dns

DNS issues after upgrading to 20.04

After upgrading to 20.04, both my wired and wireless networking lost access to the internet. I confirmed my drivers were working when I was able to resolve a ping to the Google nameserver 8.8.8.8. Now, every time I reboot, I have to manually edit /etc/resolv.conf and add line: nameserver 8.8.8.8 I have been unable to get to a permanent resolution in both the network manager and netplan. IPV4 tab in network manager under DNS set to manual

network: version: 2 renderer: networkd ethernets: wlp58s0: dhcp4: true nameservers: addresses: [8.8.8.8, 8.8.4.4] 

If someone could please advise me on how to get my DNS settings configured properly, I would greatly appreciate it. Thanks.

6 Answers 6

The following worked for me.

sudo systemd-resolve --set-dns=8.8.8.8 --interface=

E.g. sudo systemd-resolve —set-dns=8.8.8.8 —interface=eth0 .

In Ubuntu 20.04, the expected configuration of /etc/resolv.conf is to point to a local systemd-networkd resolver:

To check which upstream nameservers your local resolver is configured for, you can check the output of resolvectl status . This should show, for each of your network interfaces, the nameservers that have been associated.

You also show a netplan config that says to use the networkd renderer, but mention Network Manager in your question. If you are expecting your wireless interface to be manageable through NetworkManager, then you need to change this netplan config (or else, you have other netplan config already on your system that you didn’t list here).

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Thread: How to no connectivity Ubuntu DNS problem [fix]

First Cup of Ubuntu

How to no connectivity Ubuntu DNS problem [fix]

I installed Ubuntu 17.04 and Ubuntu-Mate 17.04 and found i had no INTERNET access. It looked like a problem with DNS.

Here are some simple solutions to the problem:

Open a terminal and copy and paste the following:

sudo gedit /etc/resolvconf/resolv.conf.d/tail

Click Save and Restart your computer.

Open a terminal and copy and paste the following:

sudo gedit /etc/systemd/resolved.conf

Click Save and Restart your computer.

With Network-manager Click Edit Connections > Wired Connection > Edit > Ipv4 Settings > Method: Automatic (DHCP) address only > DNS servers add 8.8.8.8 > Click Save

Restart your Network Connection or restart your computer.

With this method, if the connection under «Network Connections» is deleted the user will no longer have INTERNET access so i would not recommended it. Choose method 1 or 2 instead.

Ubuntu addict and loving it

Re: How to no connectivity Ubuntu DNS problem [fix]

I installed Ubuntu Gnome 17.04 on a spare partition and wired internet did not work.

Method 2 in your post solved the difficulty.

First Cup of Ubuntu

Re: How to no connectivity Ubuntu DNS problem [fix]

Spilled the Beans

Re: How to no connectivity Ubuntu DNS problem [fix]

Spilled the Beans

Re: How to no connectivity Ubuntu DNS problem [fix]

The first method works like a charm. Thanks.
Can you give a briefly explanation about how it works?

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