Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [resolvconf]

a program that manages the resolv.conf file.

0
votes
1answer
27 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 ...
0
votes
0answers
22 views

Adding options to resolv.conf on Ubuntu Core

I would like to change the DNS timeout in resolv.conf on Ubuntu core. The resolv.conf is generated by resolvconf from the files in /etc/resolvconf/resolv.conf.d and the interface config. The files ...
0
votes
1answer
325 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 ...
-1
votes
1answer
464 views

/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
0
votes
1answer
720 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 ...
4
votes
1answer
1k 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/...
1
vote
2answers
170 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 ...
0
votes
0answers
564 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 ...
0
votes
0answers
68 views

/run/resolvconf/resolv.conf was dennied to access under SELinux Enforcing mode in Ubuntu 16.04

I'm running Ubuntu Xenial 16.04 in AWS EC2, I installed SELinux and change its mode to Enforcing. I've configured selinux type ssh_port_t to port 22. While I created port forwarding via ssh, I found ...
0
votes
0answers
452 views

Kubuntu 17.10 - No Wifi

I previously had wifi and am confused as to its disappearance. When I right-click “connect” in Network Connections, nothing happens. A suggestion was: sudo dpkg-reconfigure resolvconf To which I ...
-1
votes
1answer
1k views

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 ...
0
votes
0answers
128 views

Cannot install resolvconf_1.78ubuntu5_all.deb?

Full error... Errors were encountered while processing: /var/cache/apt/archives/resolvconf_1.78ubuntu5_all.deb E: Sub-process /usr/bin/dpkg returned an error code (1) Tried... sudo apt-get update ...
0
votes
2answers
1k 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 ...
0
votes
0answers
66 views

Why does resolveconf only write 3 nameservers to resolve.conf?

I have 2 dhclients, one for DHCP and one for DHCPv6. They each receive 2 domain nameservers from the DHCP servers. The dhclient-enter-hooks.d/resolveconf script properly places the nameservers in the ...
3
votes
1answer
377 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 ...
1
vote
1answer
1k 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 ...
2
votes
0answers
906 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 ...
0
votes
1answer
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 ...
1
vote
0answers
3k views

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 ...
2
votes
2answers
2k 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 ...
0
votes
1answer
312 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 ...
0
votes
1answer
528 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 ...
0
votes
1answer
2k 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 ...
1
vote
0answers
1k views

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 ...
2
votes
0answers
154 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 ...
0
votes
1answer
328 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 ...
1
vote
0answers
162 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 ...
1
vote
1answer
2k 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 -> /...
0
votes
0answers
236 views

How does Ubuntu desktop and server do their dns resolution?

I've done some reading on this very site and other places found on google and am trying to put together some simple documentation to remind myself how it works. I am not sure about some parts at all ...
9
votes
2answers
1k views

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]: ...
1
vote
3answers
1k 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?
0
votes
1answer
218 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 ...
0
votes
1answer
100 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 ...
1
vote
3answers
1k 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 ...
5
votes
3answers
4k views

resolveconf -u keeps adding an unwanted search domain to resolve.conf

I have my desktop computer configured with a static IP address: However, /etc/resolve.conf keeps getting overwritten with: nameserver 127.0.0.1 search localdomain example.com This seems to happen ...
0
votes
1answer
611 views

From where comes /run/resolvconf/interface/eth0.dhclient file

I'm searching for original configuration file that is the source for generating /run/resolvconf/interface/eth0.dhclient file. That file contain DNS server names and the domain name for my machine. I'...
5
votes
0answers
5k views

How can I repair /run/resolvconf/interface missing error? [closed]

An upgrade from Ubuntu 14.04 LTS to Ubuntu 15 failed. Package repair hangs at this point: Setting up resolvconf (1.77ubuntu1) ... Processing triggers for resolvconf (1.77ubuntu1) ... resolvconf: ...
1
vote
0answers
43 views

Can't install 15.10 on my laptop

I upgraded from 15.04 and the upgrade seemed to go alright. It won't boot now --- x windows crashes. I tried running it from a root shell after enabling networking, but that doesn't work: resolvconf ...
0
votes
2answers
685 views

Trying to change the nameservers, I am stuck by the complexity I found

I am trying to change the nameservers being used by my Ubuntu machine (just my laptop, not a server). In the good old days in which I was using Slackware I just needed to edit /etc/resolv.conf and my ...
0
votes
2answers
53 views

DNS only seems to work with VPS provider's servers

On Ubuntu Server 15.04. My /etc/resolv.conf is the only place I can find DNS servers and it looks like this: # Automatically generated by OnApp (2.3.1) domain localdomain nameserver [vps_provider_ip] ...
9
votes
1answer
5k views

How to completly disable LLMNR?

By default, with LLMNR=yes set in /etc/systemd/resolved.conf, here are the port bindings (using netstat -l -p -a -n): tcp 0 0 0.0.0.0:5355 0.0.0.0:* LISTEN ...
2
votes
1answer
2k views

resolvconf Error when running dhclient in recovery mode

when I go to recovery mode and I want to activate networking, I usually type: dhclient eth0 After this, I can for example ping to www.google.com. However, I get the following error: RTNETLINK ...
0
votes
1answer
6k views

DNS routing after PPTP connection

I use a PPTP VPN to connect to my work's environment, but don't know how to configure DNS resolution the way it seems appropriate. When I connect via Network Manager I get two servers in /etc/ppp/...
2
votes
1answer
1k views

Why is the content of /run/resolvconf/interface/NetworkManager changed every time I reboot?

I have some issue with my dns configuration, so I googled and picked up a solution by 1) editing /run/resolvconf/interface/NetworkManager and 2) running sudo resolvconf -u. This helped a little bit,...
57
votes
3answers
73k views

nameserver 127.0.1.1 in resolv.conf won't go away!

I've read that I should have nameserver 127.0.1.1 in my /etc/resolv.conf file only if my machine has its own DNS server. Since it doesn't, having it causes problems. But no matter what I do I can not ...
0
votes
1answer
346 views

DNS configured in network manager but not working

I have 2 DNS configured in network manager for my connection (Selected DHCP Addresses only). The DNS are working good if used with nslookup. /run/resolvconf/resolv.conf # Dynamic resolv.conf(5) ...
2
votes
0answers
1k views

Where is the content of my generated resolv.conf coming from?

I have a Ubuntu 14.10 server with resolvconf installed. In /etc/resolvconf/resolv.conf.d/base, I have: nameserver 127.0.0.1 In /etc/resolvconf/resolv.conf.d/head, I have: # Dynamic resolv.conf(5) ...
4
votes
1answer
6k views

How do you update the DNS resolver configuration without causing downtime?

A note New question, since everything else on this matter appears to be outdated and/or conflicting. Hold your close votes, please :) The problem On stock installs of Ubuntu 12 and 14 Server, the ...
1
vote
0answers
335 views

Resolvconf doesn't generate nameserver IP when I used openvswitch?

Why can't resolvconf generate dns-server or how to troubleshoot it? root@openstack-controller-01[Standby]:/home/user01# cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) ...
1
vote
2answers
9k views

Removed resolvconf can't install anymore

As stated in the title, I removed resolvconf (with reinstalling in mind because name resolution was acting up) but now I'm unable to install this package. I tried two things: apt-get install --...