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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0
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1answer
415 views

Suddely internet is not accessible

I am going crazy here. One day everything was working fine. I turned pc off and went to sleep. Next day turn pc on and cannot access internet (from any browser). The situation is: I cannot open any ...
1
vote
1answer
589 views

DNS - Hosting domain - IP provided by ISP

First of all, I am really sorry, still new on the use of Ubuntu and server administration. But I am eager to learn! I purchased an unmanaged VPS server (Ubuntu 12.10) with 2 IP addresses + a domain ...
0
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1answer
68 views

How to set up manually a resolved dns record

I'd like to manually and persistently set "goo" to be resolved to one of google.com server IPs.
1
vote
1answer
212 views

Correct way to set DNS

I have a DNS server running on my computer, and I want Ubuntu to use it to resolve addresses. I've setup mydomain.com as a custom domain I went into Network settings, switched to manual in 'Wired', ...
0
votes
2answers
100 views

Ubuntu server and services

I've been using Linux+Plesk Virtual Server as a web server for a while, but I want to give a try on doing it manually, so my question is: I'll have a server which is: 80GB HDD, 4GB RAM, 1TB Bandwith, ...
4
votes
2answers
2k views

ubuntu 12.04.3 - Reverse DNS issue - slow ping interval but normal ping value

i'm running ubuntu 12.04.3 x86 desktop in my corporation environment. I join the corp domain by Likewise open. But when I ping another pc, say hostname is pc-test, "ping pc-test" or "ping ...
0
votes
1answer
176 views

network configuration in ubuntu 12.10

my windows 7 settings is below and its working properly. IP address 192.168.46.31 Subnet mask 255.255.255.0 Default gateway 192.168.46.1 Preferred DNS server 10.230.253.253 Alternet DNS server ...
1
vote
1answer
934 views

Noip not working on ubuntu 12.10

I have used noip on windows, it's a great tool. I have also installed it on ubuntu 12.10, but it seems to be not working somehow. I have apache installed on my machine, I start it with ...
0
votes
1answer
902 views

SSH: Dynamic DNS vs Port Forwarding

I recently set up SSH on my newly installed ubuntu, and already set up public key authentication and know that it works properly remotely on my local network. Now I decided that I would make it ...
0
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1answer
131 views

Ubuntu Server - Websites randomly do not respond

I have a server that is running Ubuntu Server, Apache2, Railo, mySQL, Tomcat, and Icecast/EZStream My issue started last week. I have 3 websites pointed to this server with the same DNS, IP address ...
4
votes
2answers
10k views

DNS issues on Ubuntu 12.04 with OpenVPN

I followed this guide to setup openvpn on my home network. I accidentally downloaded ubuntu 12.10 at first and without noticing, I went ahead and followed the guide... Then I did some stuff from ...
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
0answers
318 views

MaaS dhcp cannot be detected at node installation

I am installing a MaaS Ubuntu 12.04 by ISO with virtualbox as the host machine. I have a problem on the cluster management during the process of adding the node. The node cannot detect the dhcp ...
0
votes
0answers
149 views

how can i rewrite url to a specific ip or another domain in dnsmasq? [duplicate]

i added two lines: address=/dev/127.0.0.1 address=/g.cn/127.0.0.1 to /etc/dnsmasq.conf file, and i have nginx listened 80 port. open urls like http://xxx.dev/, i can see nginx's default site. ...
0
votes
1answer
251 views

Ubuntu networking - DNS/DHCP

How to configure Ubuntu 13.04 as my DNS (Domain Name Server) and DHCP server for other Linux client machines? Master server ip configuration- ip address: 192.168.200.100 gateway: 192.168.200.1 name: ...
1
vote
1answer
1k views

domain-name dhcp option not applying to hostname -f

My Ubuntu 12.04.3 machine is not getting the domain-name option from dhcp applied to the FQDN returned by hostname -f (dnsdomainname returns nothing). Ip config: # ip a 1: lo: ...
1
vote
1answer
1k views

virtualbox, MAAS: help needed

Ok, I made some progress wrt the original question (still below). I found /etc/maas/dhcpd.conf contained option domain-name-servers 10.0.3.15, and changed it to 192.168.0.11. After restarting the ...
0
votes
1answer
2k views

Setting dns-nameservers on a Bonded Network Connection

We have a server running Ubuntu 12.04 Server. There are two network interfaces on this server (eth0 and eth1), which we've bonded as bond0. DNS is not working currently.. if I ping google.com I get ...
5
votes
1answer
1k views

diffrence between the DNS setting in etc/resolv conf and etc/network/interfaces

I want to know the difference between DNS settings in /etc/resolv.conf and /etc/network interfaces. For example when I share internet connection from other computer(XP), I used to add the name server ...
0
votes
1answer
290 views

How to resolve bootloader problem in Ubuntu 13.04?

Yesterday, I did something that damaged the bootloader of my Ubuntu 13.04. Then I had to install Lubuntu 13.04, and I'm now using the Grub of Lubuntu. The problem is in the opening screen Ubuntu gives ...
0
votes
1answer
3k views

Publish own DNS Server and website with own domain name [duplicate]

I'm trying to publish my own website with my own bind9 DNS server running in Ubuntu Server 12.04.3 I've registered the domain name example.com.ar in nic.ar (entity that registers domains in ...
2
votes
1answer
1k views

How to ping an IDN domain with its non-ASCII name?

For all I see, I cannot ping (or dig) IDN domain names using their non-ASCII names, only their ASCII 'backend' with xn-- prefix. I am about to add several such names to the configuration of a DNS ...
0
votes
1answer
338 views

Website access only with ip

I recently installed Linaro Ubuntu 12.04 on my cubie development board and I can access websites only with ip adresses, for example I can access google with 74.125.224.72. I also can ping only ip ...
1
vote
2answers
8k views

Why can't I set a static IP address for my Linux box?

I'm trying to set up a static local IP address for my Linux computer for port-forwarding purposes. As per every single guide that exists on this subject, I've edited my /etc/network/interfaces and ...
21
votes
9answers
39k views

Why is the /etc/hosts file not working?

I have been having problems with this for a while and have tried everything I know, so I figured it was finally time to ask for some help. Any edit I make to /etc/hosts just doesn't work. Example: ...
47
votes
1answer
293k views

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 ...
1
vote
1answer
693 views

BIND9 and external domain

I need a little help concerning the configuration of BIND 9 in Ubuntu server 12.04.2. We have a domain company.com with an external registrar. With this, we can manage all DNS settings for the website ...
5
votes
1answer
3k views

How to perform something like windows domain or active directory in Ubuntu Environment

I am already running old windows 2008 server used for DNS Server and Domain Server. My users can use the office computer only if they have username registered in the domain server. Also, domain server ...
1
vote
2answers
3k views

Guide to set-up DNS and Multiple domain on Ubuntu 12.04

I would like to know, how to set-up a DNS server and to run multiple websites on a single VPS server. I already have a VPS server and I've installed webmin for my ease.. I'm still confused how to set ...
0
votes
1answer
1k views

VPN connection DNS server order reversed

In fixing my admittedly somewhat custom setup on my Ubuntu 12.04 workstation, when I connect the VPN connection, the DNS server of it is added to the bottom of /etc/resolv.conf instead of the top, ...
0
votes
1answer
926 views

DNS Server or NameServer

Edit connection Mobile Broadband : select network name : Edit IP4 settings: Under Methods : Automatic PPP and Automatic PPP address only Changed DNS Server to: 198.153.192.40 and Search Domains ...
0
votes
1answer
1k views

Virtual Box guest (Windows7) in Ubuntu 12.04 (host) not connecting to the internet.

Have a Virtual Box running Win7 inside an Ubuntu host - the guest does not connect to the internet, but the host does. It is using an intel pro/1000 MT Desktop adapter with settings set to ...
0
votes
1answer
2k views

How to troubleshoot slow web browsing in Ubuntu VBox guest (Windows host)?

I have an Ubuntu 12.04 LTS VirtualBox guest running on a Windows 7 host. Until recently it had been working flawlessly1. Since a few days ago, however, web browsing in this Ubuntu VBox has been ...
2
votes
2answers
17k views

Can't set DNS with Static IP

I'm running Ubuntu 13.04. I uninstalled DHCP. I set my IP address to 192.168.1.200 and it's working just fine. I can connect to it via my other internet network machines. However, I've tried to ...
-1
votes
1answer
624 views

sudo service networking start doesn't work

I just configured dns-nameservers in /etc/network/interfaces. To make it take effect instantly, I typed sudo service networking stop, the desktop seems to kill some processes, anyway the UI is ...
3
votes
1answer
2k views

Changing/Setting DNS settings on boot

I have a situation where i do not give access to a machine, but there may be circumstances where the IP settings need to be changed. I have overcome this by providing a USB stick with a file with both ...
3
votes
1answer
254 views

can't resolve dns [closed]

I've setup a LAMP server with Ubuntu. It's a dedicated server hosted by online.net. Now, I've purchased a domain name and I've created a A registar mapping to my server's IP address ...
1
vote
0answers
107 views

Weird DNS behavior

I got hold of a really cute little PC, that I want to fiddle around with as a little side-project. It has a normal LAN connection via Ethernet and the /etc/network/interfaces configuration is # ...
1
vote
0answers
313 views

How to set up a DNS server on ubuntu server?

This DNS server will use to access a web server/ mysql server. Scenario: DNS Server of 192.168.0.0/24 network - 192.168.0.2 domain name(dn): my.site.com redirect to 192.168.2.1 (webserver/mysqlserver) ...
5
votes
4answers
14k views

How to add DNS suffix in Ubuntu 12.04?

I have just installed ubuntu 12.04. And I am a beginner on Linux. So, how can I add the DNS suffix in this OS. Please help..
0
votes
3answers
14k views

Why would 127.0.0.1 in resolv.conf cause problems in DNS resolution?

[update and update II: see my awkward and proper solutions at the end of the question, based on one of the answers] I have an extremely slow DNS lookup when my resolv.conf file includes the 127.0.0.1 ...
2
votes
0answers
270 views

Ubuntu FQDN Not pingable on Windows Network

My problem is that my Ubuntu machine seems to have its FQDN setup correctly, yet I cannot ping the FQDN from a windows machine on the same network. Output of various commands on my Ubuntu machine: ...
0
votes
1answer
120 views

UB 12.04 Desktop - System Update Server Main vs UK and DNS

I am very new to Ubuntu :) I recently installed Ubuntu Desktop 12.04 - My system detected (correctly) that I am resident of the United Kingdom and so it/I set my update server to the United Kingdom ...
3
votes
1answer
713 views

Network Manager Not Picking up VPN's Nameservers

So I installed Ubuntu 13.04 (switch from Fedora) two days ago and I'm almost productive again except for one thing: When I connect to my work's VPN, Network Manager doesn't pick up the nameservers ...
0
votes
1answer
902 views

Network Problem : Cannot connect to a ping-able website with Firefox

For some reason I need to configure my computer using static IP settings to let other computers to find it. Here's my settings in /etc/network/interfaces: # This file describes the network interfaces ...
1
vote
2answers
1k views

DNS on static IP address

I have setup my mythtv server (runnning ubuntu 12.04) to have a static IP address. This is required because the IPAddress must be hardcoded in the mythtv server settings and if it changes the the ...
11
votes
2answers
11k views

Having DNS Issues when connected to a VPN in Ubuntu 13.04

I am connecting to a Cisco VPN Server using vpnc. Once connected, my machine was unable to automatically update DNS setting from the new VPN. I tested by temporarily changing /etc/resolv.conf with the ...
2
votes
1answer
820 views

Setting up wired broadband with static IP

I was using my wired broadband connection perfectly with windows. That broadband uses static ip. At windows 7 the setup was done in IPv4 section. That had following things: i) Ip Address ii) ...
1
vote
2answers
408 views

Ubuntu error/bug in which all DNS records have the same strange IP class

First off all, I want to say that I'm not new to Ubuntu, and I primarily use it as a gateway server. I have Ubuntu 12.04 LTS server without a GUI. These days after a big storm, I had a power outage. ...
0
votes
1answer
877 views

Wired connection fails

I have been using ubuntu for a few years now, and since I upgraded from 12.10 to 13.04 I have this issue, where I get no error or notifications at all, but my wired connection just stops working. The ...