Questions tagged [dnsmasq]
DNSmasq is a lightweight DNS forwarder, DHCP and TFTP server, designed to provide DNS (and optionally DHCP and TFTP) services to a small-scale network.
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How do I configure my DNS settings in Ubuntu server?
According to this page it appears to be simple. However, /etc/bind does not exist on the default installation of Ubuntu 12.04.3 LTS server.
So, without installing any further software, how can ...
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dnsmasq: failed to create listening socket for port 53: Address already in use
I was setting up a server as in the below link
https://help.ubuntu.com/community/Dnsmasq
root@user-desktop:/etc/init.d# sudo apt-get install dnsmasq
Reading package lists... Done
Building dependency ...
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4
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How to disable systemd-resolved and resolve DNS with dnsmasq?
Ubuntu 16.10+ uses systemd-resolved as DNS resolver.
I prefer the setup 16.04 uses, dnsmasq as the resolver.
How can I do that on 16.10+, especially on 17.04?
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How can I tell which DNS servers DNSMasq is using?
How can I tell which DNS servers DNSMasq is using to resolve a name to an IP address?
I can't figure it out. All of the existing questions here seem to just go as far as telling users that they are ...
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How do I restart dnsmasq?
I can't figure out how to restart dnsmasq.
service dnsmasq restart
dnsmasq: unrecognized service
SOLUTION
Restart the network manager (his parent)
sudo service network-manager restart
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votes
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Route complete TLD (*.dev for example) to 127.0.0.1
For development purposes I want all DNS requests to the .dev TLD to forward to my own PC.
The hosts file does not suffice. I use multiple domains and also multiple subdomains. I would have to add a ...
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How can I disable the DNS that Network Manager uses?
Ubuntu uses a DNSMasq instance for Network Manager starting in 12.04 - how can I disable it?
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How can I set up local wildcard (127.0.0.1) domain resolution on 18.04..20.04?
On Ubuntu 14.04 I'm using dnsmasq to resolve wildcard example.com domains to the local machine (desktop computer at home).
After much reading around I cannot for the life of me sort out the same on a ...
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3
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DNS not working after upgrade 17.04 to 17.10
I've just upgraded my laptop from Xubuntu 17.04 to 17.10.
After the final reboot, DNS has stopped working. This is obviously a problem! I can ping known IP addresses; just no DNS resolution.
I've not ...
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What is my DNS server?
My /etc/resolv.conf looks like this:
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver ...
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22
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4
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Configure NetworkManager's dnsmasq to use /etc/hosts
I have installed DNSMASQ but it was not starting as 53 port was busy.
I found out that ubuntu already had dnsmasq package and it's working.
Now the problem is...I just want to be able to resolve my ...
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ubuntu server not resolving LAN hostnames
Bit stuck here.
I have 2 machines that cannot resolve LAN hostsnames, unless there are specific entries in /etc/hosts
But other machines on the LAN can resolves hostnames.
My LAN:
1 x Cisco ...
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votes
5
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How to Add dnsmasq and keep systemd-resolved (18.04 to 20.04)
I want to get fast dns resolution with dnsmasq and keep the default systemd-resolved.
Looking for an elegant way to do this
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systemd-journal + systemd-resolve + dnsmasq high cpu usage
on Ubuntu 16.10, for some minute after wifi connection, systemd-journal, systemd-resolve and dnsmasq tend to use almost 150% of CPU.
Is this normal?
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How to let built-in DHCP assign a static IP to LXC container based on name, not MAC address
I know, that I can assign static IP manually, using /etc/network/interfaces.
I also know, that I can read the MAC address of the LXC container (e.g. by looking for lxc.network.hwaddr entry in /var/...
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Is dnsmasq not loading because of a Network Manager conflict?
I'm on 12.10, and have always used dnsmasq. A few days ago I noticed strange messages during boot:
NetworkManager[1316]: <warn> DNS: plugin dnsmasq update failed
dnsmasq[1302]: failed to create ...
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11
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1
answer
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Chrome and Firefox can not resolve the same host name, dig can
Ubuntu 14.04.
I am on a local domain, xxx.local. From the terminal I can use dig and host to lookup many names served from our local dns servers like zzz.yyy.xxx.local. When I type that same host ...
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18.04: Bionic Beaver: enforce static /etc/resolv.conf
Previously, on Ubuntu 16.04, I felt betrayed when an Ubuntu update installed dnsmasq package, configured it, and gave it precedence over my own super-stable, ultra-fast, and own-configured BIND DNS ...
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Configuring the dnsmasq instance started by connection sharing in NetworkManager
I've got a laptop running Ubuntu 12.04 that is sharing its wifi connection to another machine through the eth0 interface using NetworkManager. This seems to be done by dnsmasq.
Now I need to set up ...
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dnsmasq : failed to create listening socket for port 53: Address already in use
I'm trying to configure dnsmasq to work along with NetworkManager, the problem is when I try to run the service it fails with:
dnsmasq: failed to create listening socket for port 53: Address already ...
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Why do none of my local servers resolve?
When I try to ping or browse using a web browser certain domains names that we host on our local network, it does not work. Yet, dig and nslookup correctly return their details. What do I need to do ...
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DNS sometimes works, but it is very slow.
I am having DNS problems since upgrading to Ubuntu 12.04 (Precise Pangolin) from Ubuntu 10.04 (Lucid Lynx) yesterday.
DNS sometimes works, but it is very slow.
I have read the blog post DNS in ...
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How do I enable DNS caching in the NetworkManager-controlled dnsmasq?
Ubuntu Desktop 12.04 uses dnsmasq to perform DNS lookups, but it is not configured to cache these results. (I have checked this by using dig to resolve names and I do not see a large improvement in ...
user8979
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3
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Why did I have to remove resolvconf to get dnsmasq to work again?
Yesterday I upgraded to Precise and dnsmasq stopped working. That is, DNS queries to localhost where dnsmasq is listening (127.0.0.1) were refused.
Removing resolvconf (apt-get remove resolvconf) ...
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8
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2
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Dnsmasq has changed the way it works in 12.10 - can someone point me to documentation or info on the changes
The way dnsmasq works with 12.10 has changed again, from 12.04. I have searched the Ubuntu documentation and Google for further info , without success.
Basically in 12.04 you could see the list of ...
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dnsmasq sometimes resolves things, sometimes it doesn't
Trying to resolve:
nslookup testserverinlocaldns
Server: 127.0.0.1
Address: 127.0.0.1#53
** server can't find testserverinlocaldns: NXDOMAIN
After 10 seconds everything is ok:...
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How can I redirect *.localhost to 127.0.0.1 in Ubuntu 14.04?
I used to be able to make foo.localhost, bar.localhost, etc. resolve to 127.0.0.1 by adding
address=/localhost/127.0.0.1
to /etc/dnsmasq.conf
But dnsmasq.conf doesn't exist in Ubuntu 14.04, and ...
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Which upstream nameservers do dnsmasq/NetworkManager use really?
I'm trying to do some troubleshooting and installing dnscrypt(-proxy) on my Laptop. I want to find out which DNS servers effectively are used by my standard Ubuntu installation (w/ NetworkManager and ...
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dnsmasq giving out IPs in the static range
I have the following in my dnsmasq.conf:
dhcp-range=set:red,10.1.1.2,10.1.1.69,72h,static
dhcp-range=set:blue,10.1.1.70,10.1.1.100,72h,static
dhcp-range=set:white,10.1.1.101,10.1.1.200,12h
dhcp-range=...
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2
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Why do my DNS settings keep having to be reset?
I have a laptop that I use on my home LAN, my work LAN and my work VPN via my home LAN through OpenConnect. In addition, I also sometimes use TorGuard, which is a OpenVPN connection. All of these are ...
6
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1
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Internet connection sharing without Network Manager
I followed these instructions for setting up a shared internet connection with iptables. Specifically, I:
Added a network interface for my second NIC in /etc/network/interfaces like so:
auto eth1
...
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cat: /var/lib/misc/dnsmasq.leases: No such file or directory
I've searched all over the internet, but couldn't find any answers of my problem..
I want to connect my Raspberry Pi to my laptop. But whenever i try to check the ip address of my raspberry, i get ...
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1
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Do I need dnsmasq?
When I nmap localhost get this:
53/tcp open domain dnsmasq 2.59
What is it and do I really need it?
I tried to remove it with
sudo apt-get remove dnsmasq-base
but it said if I would continue it will ...
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votes
4
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How to prevent Juniper Network Connect breaking DNS resolutions
Juniper Network Connect has been an issue on 64bit Linux for quite sometime. I have found 2 solutions to the Java issue (Could anyone provide a step by step for getting juniper netconnect and citrix? ...
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Something is listening on port 53
I want to set up bind9, but something is listening on port 53. It's local address is ubuntu.ubuntu-do:domain. How to disable it, so it wouldn't listen anymore? I think it is dnsmasq, but still I don't ...
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How do I change the order in which systemd services are started up
Ubuntu 18.04 server on my home network
I'm running:
dnsmasq for DHCP and DNS
nginx as a reverse proxy to some web applications (running on localhost and on other hosts)
The nginx reverse proxy ...
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1
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Hotspot with dnsmasq to resolve local hosts
I have a Hotspot configured to share my wired Internet connection with other devices, the hotspot is started using nmcli con up Hotspot ifname virtual.
The hostspot is up and use the IP 10.42.0.1
...
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DNSMASQ - Why is this running?
So, I was poking around htop, and looked at what processes were running. For some reason, a process called dnsmasq is running. The full command is
/usr/sbin/dnsmasq --no-resolv --keep-in-foreground --...
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Global DNS change
How do I change my DNS server globally without having to do it manually through network manager for every connection I have.
I want to use OpenDNS, whether its at home, university, wifi hotspot, ...
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2
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dnsmasq is not logging dns queries
Here's how I am debugging this issue from the command line:
$ dnsmasq --no-daemon --log-queries
Putting the log-queries option in the config file and running it as a daemon still showed nothing on ...
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How to set the upstream servers of dnsmasq on ubuntu 15.10?
I want to set the upstream servers of dnsmasq on ubuntu 15.10. I've read a lot of documentations or resources about dnsmasq, in which they referred to a configuration file called /etc/dnsmasq.conf, ...
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Clear dnsmasq cache without restarting the service
I have cache enabled in my dnsmasq, because it is fast.
In some situations (for example, with VPN off), dnsmasq caches wrong results. I want a quick way to clean the cache (when I connect to the VPN ...
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dnsmasq not starting on 16.04
I just upgraded an RPi configured as a wireless router to from 15.10 to 16.04. dnsmasq is failing during startup with an unknown interface br0. Before the upgrade, the log showed a wait for auto ...
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Unable to access the Internet at Starbucks - used to work with Ubuntu 16.04
For close to 6 months I haven't been able to have access to the Internet with the Starbucks wifi.
Ubuntu sees the Wifi and is able to establish a connection. But then when I click access/accept... it ...
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How to change dnsmasq port?
I am using port 53 for my vpn, and I need to use port 53. I changed the port of dnsmasq, connected openVPN, and now request are unable to resolve errors.
sudo dnsmasq -p 5642
. Is there a way to ...
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How do I disable local DNS caching?
I have a small private LAN with 6 Ubuntu systems. To improve performance and simplify maintenance I implemented a DNS server on my Debian firewall/router (dig shows 0ms on repeat lookups).
Will I ...
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Configure reverse DNS using Dnsmasq
So I have my DNS by dnsmasq up and running. I can resolve my internal domain name but I cannot resolve the IP to my domain.
What I mean to say is I can use
dig rameez-ubuntu
and it works fine but ...
4
votes
1
answer
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Using Juju with private Openstack cloud deployment?
I'm seeing a number of problems trying to use Juju with our internally deployed Openstack cloud. Most of this appears to be centered around DNS host resolution as well as the need to deal with our ...
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dnsmasq: failed to create listening socket for 127.0.0.1: Address already in use
I'm trying to set up dnsmasq on AWS Ubuntu 20.4 by following this link.
However, I can't seem to get around the error dnsmasq: failed to create listening socket for port 53: Address already in use
I'...
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How can I prevent DNS leakage when using a VPN in Ubuntu 18.04?
I recently installed Ubuntu 18.04. I want to ensure that my DNS requests use my VPN DNS rather than my ISP DNS.
In 16.04, preventing DNS leakage was easy: just disable the dnsmasq entry in /etc/...
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