Questions tagged [resolvconf]

a program that manages the resolv.conf file.

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How can I tell what app, script, or service is responsible for changing resolv.conf?

I am aware that DNS and other name resolution is controlled most proximately by /etc/resolv.conf, and that resolvconf / resolvectl / systemd-resolve is most proximately responsible for the contents of ...
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174 views

How to disable 127.0.0.53 as DNS?

For some reason, my DNS seems to be set to 127.0.0.53. It's not really a problem, since my local (i.e. on my laptop) DNS seems to redirect DNS requests to the default gateway. But I would like it to ...
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how come resolvconf update /etc/resolve.conf file even if systemd-resovled service is disabled?

I disabled systemd-resoved service and set nameserver in raspberry pi to my local dns, but I discovered it on reboot it got changed. To nameserver I don't know where it came from and how it is ...
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DHCP dns stopped working on ubuntu 18.04

I have setup new ubuntu 18.04 server which has dhcp assigned ip and dns 192.168.120.62 , after setup when i checked i waw able to get result using nslookup for local dns entries of 192.168.120.62 but ...
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/etc/resolv.conf not populated on boot, only after subsequent reboot

We have an Ubuntu Server 16.04.7 virtual machine running on top of Proxmox 6.3. On reboot of the host, this machine comes up with an "empty" /etc/resolv.conf: # Dynamic resolv.conf(5) file ...
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Loss imternet access on wifi after a 10 minutes of usage ( wifi is still connected but no internet access)

This is not like other wifi connected but no internet access posts When iam connected to my wifi i do get internet access, then after working for 10 minutes or so i loss internet access , wifi is ...
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1answer
367 views

resolvconf got uninstalled and can't install it again

So when I do: sudo apt-get install *Package* It says: dpkg: too many errors, stopping Errors were encountered while processing: resolvconf Processing was halted because there were too many errors. E:...
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104 views

How to route DNS resolver to a different DNS based on the URL hostname?

This is why I would like to do: Most hostnames -> Resolved by DNS1. Some hostnames -> Resolved by DNS2 (I don't know IP addresses just the hostname). It should look as creating a whitelist/...
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How to solve "Temporary failure in name resolution'' in Ubuntu 20.04? [duplicate]

I am using Ubuntu 20.04. I just faced an error "Temporary failure in name resolution". I am unable to access the internet. At first, it was just happening in the terminal. If I ran a command ...
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2k views

Wireguard resets its DNS settings on 20.04

Wireguard resets its DNS settings on restart. I have WG tunnel with following settings: [Interface] Address = 10.8.0.2/32 Address = <public IPv6 ip> DNS = 2001:4860:4860::8888 DNS = 2001:4860:...
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resolvconf-pull-resolved.service and plymouth-quit-wait.service slows down my ubuntu 20.04

The problem is resolveconf-pull-resolved.service and plymouth-quit-wait.service are taking a lot of time to start making the overall boot process slow. The first one upon searching, I found various ...
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1k views

ubuntu 18.04 DNS issue

I have an ubuntu 18.04 server running apache/mysql that can't seem to resolve DNS anymore. I didn't do anything, but maybe I missed something when checking the server after the last update. Here's ...
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systemd-resolved and resolvconf : is it ok to have both installed?

Systemd-resolved is present by default in Ubuntu 18.04. Resolvconf pkg is not. From reading around, systemd-resolved provides name resolution while resolvconf provides multi-client access to update ...
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How to NetworkManager, resolvconf, and dsnmasq work together?

Running Kubuntu 16.04 Sometimes the name resolution gets slow. In previous Ubuntu versions, the problem was usually in resolv.conf and was easy to fix. In 16.04 all the DNS resolution is hidden in a ...
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Is resolvconf hard-coded its nameserver setting?

First of all, this is not a duplicate of How do I include lines in resolv.conf that won't get lost on reboot?, as A) It has not been working since 14.04. See the comment: In 14.04 this answer ...
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/run/resolvconf/resolv.conf ubuntu 18.04

I do need some clarifications for resolv.conf handling on ubuntu 18.04.02 My host is configure to use the old interfaces files. But the interface itself is configured to use dhcp auto enp2s0 iface ...
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1answer
679 views

UBUNTU 18.04 Desktop Resolved DNS problems and updating /etc/resolv.conf

I have several questions about the internal workings of network-manager, systemd-resolve, and the /etc/resolv.conf and any other files such as nsswitch.conf. Is there a file or several files, where ...
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1k views

Set the nameserver in ubuntu with netplan

I'm working on an ansible playbook to set the dns server addresses in my Ubuntu Bionic 18.04.2 server. I don't want to use resolv.conf cause I learned it's deprecated in the new Ubuntu. My question ...
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196 views

Package resolvconf 1.79ubuntu10.18.04.1 is broken

Updating Ubuntu 18.04 resolvconf with version 1.79ubuntu10.18.04.1 breaks DNS record resolution. Bug reference: 1819625
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556 views

DNS resolving of localhost subdomains stopped working after resolvconf update

For years I'm using Ubuntu (currently on 18.10) to develop PHP applications on domains like foo.bar.localhost for local testing. These domains were resolved to 127.0.0.1 and handled by Apache 2.4. ...
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2k views

resolvconf-pull-resolved.path error

GoodDay all, New day, new linux adventures on my home server: Can resolvconf-pull-resolved.path be blocking my servers internet connection ? Background info: I updated/upgraded my server to the ...
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675 views

Network issues - resolvconf problem

Internet access is available for a brief second when the browser is initiated, but after a split second, internet connection is unavailable. Searching a bit in the forum, I found out that dpkg-...
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1answer
445 views

unable to retain 4 nameservers in resolvconf

Here is my /etc/resolvconf/resolv.conf.d/base file contents: # leave commented out above line lin resolvconf...as its listed in another file. options timeout:1 attempts:1 nameserver 10.0.4.15 ...
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3k views

DNS resolution broke after upgrading to 18.04, resolvconf broken or not fully installed

when googling i find stuff like this: askubuntu resolvconf but /etc/resolv.conf doesn't seem to exist sudo dpkg-reconfigure resolvconf returns that resolvconf is broken or not fully installed ...
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/etc/resolv.conf" E166: Can't open linked file for writing

unable to update resolv.conf file. "/etc/resolv.conf" E166: Can't open linked file for writing ubuntu 18.04.1
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1answer
2k views

DNS/systemd-resolve/dnsmasq/resolvconf problems. Errors in syslog. 18.04

I'm trying to resolve these two repeating errors in /var/log/syslog... nf_conntrack: nf_conntrack: table full, dropping packet Maximum number of concurrent DNS queries reached (max: 150) Looking at ...
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8k views

Accidentally deleted /etc/resolv.conf and now can't access any domain

I was getting dns probe finished message in chrome on Ubuntu 18.04 so I looked up on the internet and tried to run the following commands. sudo rm/etc/resolv.conf sudo ln -s /var/run/resolvconf/...
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559 views

Resolver: LAN, VPN and WAN name resolution

I have read the man pages on resolv.conf and resolvconf and resolvconf.conf but don't understand everything and feel I'm a tad lost on how I might (ahem) resolve this problem: Scenario: I have a LAN ...
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3k views

how to update dns after a changing resolvconf

I need to edit my system's dns nameservers, without rebooting, on a system i believe uses resolveconf. The changes i make to /etc/resolvconf/resolve.conf.d/base ARE reflected on full reboot, but I ...
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1answer
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Wifi in Ubuntu 17.10 is not sensing nearby networks

When I typed sudo dpkg-reconfigure resolvconf this was the error. dpkg-query: package `resolvconf' is not installed and no information is available Use dpkg --info (= dpkg-deb --info) to examine ...
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9k views

Auto generate /etc/resolv.conf [duplicate]

I have manually edited /etc/resolvconf/base to add openDNS name servers, and then run sudo resolvconf -u to update the /etc/resolv.conffile. However changes are discarded on each reboot. How do I ...
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1answer
2k views

Why there are resolvconf.service and systemd-resolved.service services present in ubuntu at the same time

In ubuntu there are two solutions that provide dns cache and configure functionality. One is resolvconf.service (part of resolvconf package). Another is systemd-resolved.service (part of systemd ...
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1answer
8k views

Setting DNS via NetworkManager/nm-applet doesn't update the /etc/resolv.conf (17.10)

My /etc/resolv.conf shows # Generated by NetworkManager search [value provided by local network] nameserver 127.0.1.1 The nameserver value is not the one provided by the local network (checked using ...
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2k views

resolv.conf does not work as expected

As you can see here (and in man resolv.conf), there is an option named use-vc for resolv.conf to force Ubuntu to use TCP for DNS queries instead of UDP. use-vc (since glibc 2.14) Sets ...
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1k views

Unable to stop DNS leak when connecting to VPN in Lubuntu 17.04

Checking doileak.com I always get a DNS server leak on my VPN. All of the hints that I could find say that the DNS servers are only configured through /etc/resolv.conf. The expressvpn software as ...
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Ubuntu 16.04 Cannot Resolve Hostname

I am trying to get my OpenStack instance of Ubuntu 16.04 able to resolve DNS. I just created the instance from the given default Ubuntu image and I am trying to apt-get update my machine. However, I ...
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2answers
14k views

openvpn via command line: permission denied to update resolv.conf

This might be a duplicate of this question, but I am not proficient enough in networking matters to tell for sure. I use a VPN service named Cyberghost to stay private on the internet. After facing ...
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1answer
900 views

How to fix name resolution issue after an update to Cisco AnyConnect Secure Mobility Client on an Ubuntu?

I am running Ubuntu 16.04 and used to connect to a remote desktop using the following command line: rdesktop -u username -g 90% MachineName.DepartmentName.StateName.edu of course after connecting ...
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1answer
1k views

Removed /run/resolvconf

I have Ubuntu 16.04 and I accidentally removed /run/resolvconf/ and can't install it using apt-get because I get a fetch error. Is there any way to get it back? I am not too knowledgeable of this so I ...
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1answer
9k views

DNS resolv config

Let me narrate you my small story: So right now, I am using an Ubuntu 16.04 LTS distribution in my lab. After installing Ubuntu, I tried just check my Internet access by googling. However that was ...
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Link /etc/resolv.conf

Note: My question is not how to stop nm updating /etc/resolv.conf. Not how to make openconnect work. Instead I just want to understand some details about resolv.conf configuring in ubuntu. Why there ...
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235 views

NetworkManager problem with dns servers

I've got two network cards, one is onboard and the other is an added PCI card. I also created a bridge interface for my KVM virtual machines to use, so my desktop (host) uses the enp3s0 interface and ...
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1answer
476 views

16.04 - DNS problem when waking laptop up from suspend-mode

I am on Ubuntu 16.04 LTS, Dell XPS 15 9550. Since one week ago (which probably matches last kernel update), every time I wake up my Laptop from suspend-mode, it correctly connects to the WiFi, but ...
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568 views

Error encountered while processing resolvconf

I am using Ubuntu 16.04. Internet is not working in browser or terminal. If I do ping 8.8.8.8 it works: data is sent and received But otherwise no internet works When I do sudo apt-get update I ...
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1answer
4k views

How to execute resolvconf without warning?

I configured NetworkManager, so that it maintains symbolic link from /etc/resolv.conf to file in its directory - /var/run/NetworkManager/resolv.conf ls -l /etc/resolv.conf ... /etc/resolv.conf -> /...
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Why is Ubuntu Mate using Google DNS servers?

Update: Looks like it's avahi-dnsconfd that's adding 8.8.8.8 and 8.8.4.4 to my /etc/resolv.conf file. I found this in /var/log/syslog: Jan 4 17:00:21 freewill nm-dispatcher: req:1 'up' [ens33]: ...
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3answers
7k views

Is /etc/resolv.conf a symbolic link, and are changes to it persistent?

Is /etc/resolv.conf a symbolic link? If so, how can one make persistent changes to the DNS?
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1answer
264 views

U16.04- DNS messed up, must edit /run/resolvconf/resolv.conf after booting

Somehow I've clobbered my whole DNS system in 16.04. I now must edit /run/resolvconf/resolv.conf to add a name server such as nameserver 8.8.8.8 or similar. Of course, this always disappears after a ...
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1answer
260 views

Can't connect to the internet after purging resolvconf

I was trying to fix my internet because it wasn't working randomly, so I used the command sudo apt-get remove --purge resolvconf && sudo apt-get install --reinstall resolvconf Anyways, I got ...
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3answers
5k views

DNS settings messed up and resolvconf uninstalled

Yesterday I messed up my network settings on Lubuntu 16.04. Wifi had problems and I thought it was my problem, it turned out later, that the problem was a temporary problem with the central wifi, it ...