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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Networking & Bind9 Server Configuration

apologize in advance.... bit new on managing all this, but I've got a networking and Bind DNS configuration question: root company domain (foobar.com) DNS is managed by domain register ...
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1answer
31 views

Slow P2P sharing in ubuntu

Hi after installing ubuntu I found that my download speed , specifically torrent download speeds has gone surprisingly lower than before, I'm not really familiar with configuring network on ...
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2answers
319 views

How do I see the DNS hint file (root name servers)?

According to Wikipedia's article on the address resolution mechanism of DNS there should be a "hint file" in my OS somewhere, containing IP addresses of a few "root name servers". How do I see this ...
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1answer
174 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 ...
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1answer
214 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 ...
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1answer
50 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.
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1answer
133 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', ...
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2answers
71 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, ...
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1answer
539 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 ...
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1answer
111 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 ...
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1answer
366 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 ...
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1answer
426 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 ...
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33 views

Some Website don't work

They are some website like Yahoo mail and Listwire+ Ebay don't work and they told me that it take too much time to respond for all this website, itry to change dns (dns: ...
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123 views

How to block my DNS on all outhgoing sites except for one IP address?

I want to block my DNS on all outhgoing sites except for one IP address on one computer? How do I achieve this?
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1answer
59 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 ...
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2answers
1k 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 ...
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168 views

How to resolve intermittent DNS Failure after updates?

Ubuntu 12.04 running happily begins experiencing intermittent DNS resolution failure after updating. Following is the history.log for same: Start-Date: 2013-10-09 07:33:11 Commandline: aptdaemon ...
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1answer
2k 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 ...
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0answers
53 views

how can I setup a proper dns cache

I have configured dnsmasq (see https://wiki.debian.org/HowTo/dnsmasq) but it doesn't seem to do what I expected. Its cache is somewhat working, so that when I for example do dig ubuntu.com twice, ...
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0answers
161 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 ...
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0answers
148 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. ...
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1answer
184 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: ...
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191 views

Help, DNS problem after installing Virtualmin

I'm new with Ubuntu and my English is not so good (I come from the Netherlands) I don't know what is wrong, but I did something. when I try to install a webmin package or a third party package I got ...
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0answers
548 views

How to set ubuntu to reach DNS server through IPv6

I have the following setup: Ubuntu 13.04 with wired connection to router and Debian server running in VirtualBox under Ubuntu (with bridged network adapter). I installed and configured Bind9 on ...
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1answer
394 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: ...
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1answer
487 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 ...
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1answer
631 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 ...
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1answer
370 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 ...
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1answer
226 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 ...
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1answer
2k views

Publish website with own DNS server and 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 ...
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1answer
292 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 ...
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1answer
242 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 ...
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2answers
3k 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 ...
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174 views

Ubuntu server DNS/DHCP/MAAS woes

I've been using Ubuntu server Raring for a few weeks now. It seems to be great, but I havre a slight problem. I opted for the Metal As A service option, and now its changing my DNS records and going ...
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4answers
9k 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: ...
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0answers
31 views

Adding new nameserver and keeping local sites access

At my job the only nameserver in /etc/resolv.conf points to 127.0.1.1. I added an OpenDNS on top of it, although that made me lose the access to the company’s local sites. How do I keep the OpenDNS ...
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1answer
44k 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 ...
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1answer
322 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 ...
4
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1answer
766 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 ...
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2answers
2k 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 ...
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1answer
640 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, ...
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0answers
5k views

Ping of my own hostname gives “Destination Host Unreachable”

I have had a Networking problem over this past week that I hope someone here has the ability to resolve for me or can show me the procedure that I need to follow in order to resolve this problem ...
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1answer
652 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 ...
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1answer
699 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 ...
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1answer
487 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 ...
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2answers
7k 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 ...
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1answer
379 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 ...
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1answer
1k 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 ...
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0answers
424 views

Setting up web hosting at home with ubuntu server and pointing it to actual domain

Hi I have already got a domain name and installed ubuntu server along with bind9. I want to configure it so that it points to my domain on internet. My Current Environment is as below: installed ...
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88 views

How to configure BIND 9 with dynamic IP address?

Is this even possible ? I work on a project at home. How bind will update the zones if the IP is changing periodically ? I read few tutorials about this but I don't get it.