Domain Name System for computers, services, or any resource connected to the Internet. It translates domain names meaningful to humans into the numerical identifiers associated with networking equipment for the purpose of locating and addressing these devices worldwide.

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1answer
299 views

Set static IP Ubuntu 16.04

I am a new with Linux, having years experience with Windows servers/desktops and am having issues setting a static IP. I am using a method used for previous versions of Ubuntu, which doesn't seem to ...
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0answers
14 views

DNS can not resolve when routing between two interfaces-kali Linux

I am working on a final project for school using a Raspberry Pi and running Kali Linux. For the project we are doing pen testing. We have a AP set up which we can connect to and dhcp works fine. Our ...
4
votes
1answer
9k views

Using Ubuntu 14.04 as router with iptables, clients can't go online. Probably DNS issue, iptables setting needed

CORRECTION 3: SOLVED! I needed to add the the official DNS server of my departement's VLAN as DNS to the clients. I've read through a large number of posts about iptables issues when using Linux as ...
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0answers
22 views

14.04 to 16.04 upgrade ignores NetworkManager.conf

The machine in question was a straight from dvd install of 14.04 (upgraded to date before upgrade to 16.04 on 27-APR-16), with static ip, bind9 and registered domain. ...
2
votes
3answers
5k views

Problem with Winbind/Samba

I've been having an issue on my network that has completely vexed me. I have three workstations running Ubuntu 13.04, one Windows 7 workstation, and three servers on Ubuntu Server 12.04. One of the ...
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0answers
16 views

Openstack LXC containers missing DNS

In my newly deployed openstack environment, I noticed that CEPH was failing within the 3 LXC containers. 016-05-03 02:18:38 INFO juju-log Unknown hook update-status - skipping. Reading package ...
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0answers
613 views

Ubuntu 14.04 with Gnome 3, Network Manager issue

I have been trying to update the network setting of a fresh install via the GUI but am seeing this error: error editing connection: did not find a connection with UUID '(null)' The Network Icon in ...
1
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0answers
18 views

Username & Host Name are Screwed on Terminal

I have been working on my machine to setup a web server. At a certain point, I noticed my username & host name displayed at the very beginning of each line of terminal commands are different from ...
0
votes
1answer
16 views

Problems connecting to hosts in local network on 15.10

I've recently done a fresh install of Ubuntu 15.10 and I'm experiencing problems accessing hosts on my local network. Just an example: host printer.mydomain.local works perfectly, returns the ...
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0answers
7 views

Multi-NIC client w/ isc-dhcp-server & dynamic bind9 recommended configuration

I have a properly installed and configured isc-dhcp-server & bind9 box that is correctly updating DNS records based on leases. This works well. I understand how the isc-dhcp-server can be ...
0
votes
1answer
12 views

dnsmasq doesn't check dnssec

I'm on Ubuntu 14.04.2 LTS. NetworkManager starts dnsmasq with --proxy-dnssec option. However: $ dig @127.0.1.1 dnssec-failed.org ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: ...
0
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1answer
30 views

DNS cache on Ubuntu

Is it true that Ubuntu doesn't have DNS cache by default and what options I have to enable it ? Is bind9 option that can enable caching of DNS ?
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0answers
4 views

Setup hostnames for pptp clients instead of addresses

I have a pptp server and I want to setup a hostname (DNS entry) for the clients to use instead of IP addresses. I tried adding to my /etc/hosts file but that didn't seem to affect the pptp clients. ...
0
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0answers
14 views

How can I use a Linux BIND DNS server for my Windows Active Directory forest?

How can I use a Linux BIND DNS server for my Windows Active Directory forest? We trying to avoid having the Windows Sever 2008 AD domain controller host DNS at all. We want to use Ubuntu Server with ...
0
votes
1answer
25 views

Troubleshoot personal internet failure

I have Ubuntu 14.04 and we have Wifi in the house. Lately (every 2 days), my laptop fails to connect. The Wifi sign loads forever (you know the white lines going bottom-up recursively). The issue is ...
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0answers
9 views

I want to add Windows Server 2008 Domain to bind

We want to replace DNS Server which is currently Running in our Windows Server 2008 R2 to Ubuntu Server Bind9 Service. I have to somehow add or tell Ubuntu Bind to use example.local as our main ...
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0answers
15 views

How to configure own mail server and dns settings into godaddy Hosting

Installed postfix,dovecot and squirrelmail into ubuntu 14.04 server.In local system mail sending and receiving is working from one user to another user.Mail is not receiving from gmail,yahoo,etc. Mail ...
0
votes
1answer
20 views

Bind9 Name Server slave having master file transfer problems

I have a master name server set up and now I am trying to configure the slave. Bind9 appears to load and run fine, however I am getting the following error: Apr 27 12:47:21 ns2 named[23563]: dumping ...
0
votes
1answer
27 views

DNS lookup sometimes failing for git clone

Every so often when I try to clone or pull a Git repository from my private hosted Gitlab server I get an error stating that the name or host could not be resolved. I figured this was because a DNS ...
0
votes
1answer
150 views

How to setup Samba to register with an Active Directory Domain Controller?

I am trying to setup an Ubuntu 14.04 server on a windows network. The server has a static IP address assigned to it. I need to be able to register the hostname (argo) of the server with AD domain ...
2
votes
0answers
54 views

Websites not loading in Ubuntu in both chrome and firefox

I am running ubuntu 14.04 and i am using a DSL Connection.From last few days i am having problem in loading some websites like ubuntuforums, hackerrank, mdn etc. I have tried alsmost all solutions ...
0
votes
1answer
5k views

dns configuration problem bind9

Following is my bind9 configuration the domain I want to configure is home.lan it is home network /etc/bind/named.conf.local is following zone "home.lan" IN { type master; file ...
2
votes
1answer
4k views

Regenerate resolv.conf from dhclient.conf without releasing/renewing IP?

When I make changes to dhclient.conf such as modifying the DNS search path (so that the changes don't get lost on reboot or DHCP renews), how do I regenerate /etc/resolv.conf? That page suggests ...
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0answers
8 views

DNS issue in Kubuntu 15.10 on campus network - DNS not resolving except when connected through one particular wifi router

I'm facing a weird DNS issue. I'm on a campus network. My laptop runs Kubuntu 15.10. When I connect from my dorm room wireless router (which is also on the campus network), everything is fine, I can ...
0
votes
1answer
66 views

Problem with IPv6 sudo apt-get update/upgrade

I am using Ubuntu 16.04 Beta 2 at the moment and every time I try to update at home via sudo apt-get update or upgrade trough sudo apt-get upgrade I wont get any feedback. Even installing of anything ...
0
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0answers
14 views

why ubuntu can parse a ip address from domain(ex:www.facebook.com) when I had modified it's dns server to host that no exist?(I had reboot.)

why ubuntu can parse a ip address from domain(ex:www.facebook.com,i never visit it before.) when I had modified it's dns server to host that no exist?(I had reboot.) root@iZ25kzpxgdzZ:~# cat ...
0
votes
1answer
30 views

Block IP beginning with, U.F.W

Someone is running a registration bot on my site and I have taken steps to prevent the registration, but now I want to block the whole IP range from even being able to access my site. I have set up ...
0
votes
1answer
53 views

Unable to ping hostname only IP address

I'm trying to connect to my linux server via the hostname for Samba. I'm have been able to access it with no problem then all of a sudden it stopped working. Here is what is happening. This is what I ...
0
votes
1answer
33 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 ...
0
votes
1answer
32 views

Setting up domain with LAMP server

Not sure if this is the best forum so let me know and I'll delete it if so. I've setup a LAMP server on Ubuntu 14.04 which works fine the issue is, right now I can only access it through the public ...
9
votes
6answers
4k views

How to know what DNS am I using in Ubuntu from 14.04 onwards

(A follow up to similar question for 12.04.) Prior to Ubuntu 12.04, you may see the active DNS in /etc/resolv.conf. In Ubuntu 12.04, NetworkManager no longer works with the file. You have to directly ...
1
vote
1answer
6k views

Unable to connect to internet using android wifi tethering (hotspot) in Ubuntu 14.04

I'm unable to connect to internet when using android WiFi hotspot (I'm able to connect to hotspot, but not able to access Internet). When I use a WiFi router internet works fine. In chrome I get ...
0
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0answers
12 views

DNS issues when ever I switch networks

I am having DNS issues, where when ever I switch networks, I can only access IP addresses, no domain names. I then run: $ sudo dpkg-reconfigure resolvconf which allows me to then start using the ...
0
votes
0answers
11 views

How to use query options with 'dig'command

I'm using Ubuntu 14.04 LTS (kernel 3.19.0-58-generic). I' m facing issue when running 'dig' with query options like +trace. When I use dig w/o query options everything works predictable, but if I ...
0
votes
0answers
15 views

Two Dns working together: one for lan one for wifi

I have two network interfaces on my laptop: eth0 10.0.0.2 gw 10.0.0.1 dns 156.0.0.1 wifi0 192.168.1.2 gw 192.168.1.1 dns 8.8.8.8 When I ping sample.local I would like to use 150.0.0.1 as the DNS ...
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votes
0answers
22 views

Slow dns resolution in Ubuntu 5.10

This may not be specifically an Ubuntu question, and it may be naive, but I've recently acquired a second laptop (System76 Lemur, Ubuntu 15.10) and I've begun having problems reaching certain web ...
0
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0answers
21 views

Nmap proxy and dns resolution

How to use nmap and dns resolution of nmap over proxy? I tried proxychains, but for dns resolution it doesn't work, it's known bug as I read on some forums. It works well without dns_proxy feature in ...
0
votes
2answers
40 views

how do I access linux machines by name on the network?

I run a home office and I have a number of linux boxes and mac machines. I'd like for people to be able to ssh into the various machines without having to remember each machines ip, by using the ...
0
votes
1answer
61 views

dns server assigned from dhcp is equal to the address of the client

I had the following enviroment configuration: http://i.imgur.com/9chRJT8.png Ubuntu VM /etc/network/interfaces: auto eth0 iface eth0 inet static address 192.168.10.11 netmask 255.255.255.0 ...
0
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0answers
32 views

Can not access internet or Router with Ubuntu Server 14.04.3

I have installed Ubuntu Server 14.04.3 and set-up a static IP address, after I had applied the static IP as below im not a ble to access the internet by the server, when I try to ping google.com I get ...
2
votes
2answers
73 views

Static IP in ubuntu server 15.10

I know there's a lot of this kind of questions and tutorials about setting static ips, but I've tried everything and still I can't manage to get a static ip. Internet's working fine (I can ping ...
0
votes
3answers
7k views

No internet connection (DNS server address is Router address)

My internet connection in Ubuntu 13.10 doesn't work. I can use IP addresses to open websites but not URLs. The DNS server that I connect to is the IP address of my Router. When I connect to the VPN of ...
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votes
0answers
19 views

How to unbind localhost from other urls

when I go to "www.inc.com", it takes me to localhost, please advise on how to fix this, i checked the "000-default.conf" file at "/etc/apache2/sites-enabled/", it does not have such rules either. ...
20
votes
2answers
3k views

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 ...
0
votes
1answer
34 views

How do I enable Bonjour/Avahi lookups in all tools?

Although I've got numerous Avahi packages installed, I can't seem to get something like "ping myhost.local" to resolve. But "avahi-browse --all" does return results. The device I'm trying to reach can ...
1
vote
2answers
209 views

What is difference between localhost address 127.0.0.1 and 127.0.1.1

I am just learning using Ubuntu and when I tried to configure the DNS, I need to deal with something call localhost, loopback interface. Can anyone explain me the differences between them and the ...
2
votes
2answers
8k views

'/etc/hosts' , http links are redirecting, but https links are not redirecting

I edited /etc/hosts file and entered below information : 127.0.0.1 test.com //working 127.0.0.1 https://test.com //not working . from the above info, http://test.com is redirecting to ...
33
votes
9answers
239k views

How do I configure my static DNS in interfaces?

I am using Ubuntu 12.04. My /etc/network/interfaces file consists of: # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth0 iface ...
0
votes
1answer
44 views

Dns problem ubuntu server

I recently downloaded the ubuntu server 14.04 and I wanted to use the webmin, there's no error in installation and every thing sounds good. I tried to put in browser https://name_server:10000 but ...
0
votes
1answer
49 views

debian host resolving error

I have some problem with resolving hostnames with ping and in my browser. If I ping any non-existent domain name (as jhdevjfejbhbdufb.com), I get local IP adress as a response (external ip). But ...