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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21 views

Where to set my DNS on Ubuntu 64 bits?

On Ubuntu 32 bits I decalred my DNS in /etc/resolv.conf Now that I installed Ubuntu 64 bits I do not find this file. I edited /etc/network/interfaces and /etc/hosts but there is no /etc/resolv.conf. ...
4
votes
1answer
76 views
+50

Network only using one DNS when connected to VPN

My company has a VPN that I need to connect to. In OSX, I do this by using openvpn with the following configuration: client dev tun proto udp remote <GATEWAY_ADDRESS> <PORT> resolv-retry ...
1
vote
2answers
1k views

DNS resolution in ubuntu 12.04

I use a VPN client to access my company's intranet. It used to work fine with older versions of Ubuntu. But on 12.04 it doesn't. It is able to connect but I do not see any packet exchange happening, ...
0
votes
2answers
47 views

Ubuntu internet connection problem

I installed Ubuntu on my laptop. Here are my internet settings: auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 10.1.17.10 /*this is my IP @ddress*/ netmask ...
1
vote
1answer
30 views

How to resolve the DNS locally when there is a proxy configured?

If I configure the proxy, under Settings -> Network -> Proxy, and then try to access "http://google.com", the name resolution (IP of google.com) will happen there, at the proxy server but... How can ...
11
votes
4answers
7k views

Why can't my machine resolve local windows hostnames?

When I ping any local windows hostname from my Ubuntu machine I get "unable to resolve host", but when I ping from a windows machine it works fine. Why would this be? OS: Ubuntu 10.04 Samba & ...
0
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0answers
18 views

Aceessing a webserver on aws EC2 instance with custom nameservers?

I tried to run a web server on amazon's ec2 instance . When I quired it through ELASTIC-IP of instance it resolved perfectly , but whenver I am tried to do a nslookup or try to access via custom ...
0
votes
2answers
2k 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..
24
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2answers
16k views

How do I get resolvconf to regenerate resolv.conf after I change /etc/network/interfaces?

After updating /etc/networking/interfaces with something very similar to below, how do I get /etc/resolv.conf to update? I tried (as root) resolver -u, service networking restart but they didn't ...
0
votes
1answer
25 views

MAAS / nodes have limited internet access after install

I´ve installed a test environment for MAAS and JUJU. MAAS manages both DHCP and DNS. Following setup: maas01 - static IP juju01 - dhcp and dns from maas01 node01 - dhcp and dns from maas01 and pxe ...
0
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0answers
41 views

Adding different sets of DNS to -one- network adapter

My work environmental infrastructure depends on two different DNS servers. One that is here locally with us and one that is remote, on another location (which we have access to). The question is ...
0
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0answers
56 views

Ubuntu 12.04 is burying our Infoblox with DNS requests

I've got 80 computers that I've installed Ubuntu Precise on. However, when I turn them on, they pound out thousands of DNS requests constantly and bury our Infoblox DNS server - just those 80 ...
-1
votes
1answer
80 views

Ubuntu 12.04 server will not resolve

I am at a loss as to why I can't resolve. I am sure I am missing something and I hope someone can help. I have installed Ubuntu 12.04 server. After setting to static, I can not resolve host names (to ...
1
vote
2answers
628 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
0answers
11 views

changes in etc/dhcp/dhclient.conf get ignored

Im wanting to never use a specified DNS Server so I tried using reject ip address as suggested here to my question: How to make Ubuntu never use specified DNS server? (DNSLeak issues) but setting ...
2
votes
2answers
3k views

set up mailserver for multiple domains guide for beginner

I am not Linux pro, and after days of trying with tutorials how to set up postfix or other e-mail server I am try to find solution here. In your office we have HP Proliant server with Ubuntu server ...
0
votes
1answer
50 views

How to make Ubuntu never use specified DNS server? (DNSLeak issues)

Im using VPN and dnsleaktest.com shows me that it discovered vpn dns and my isp dns. I want to avoid using isp dns when using vpn. I found I can use prepend domaine name servers in ...
0
votes
1answer
66 views

Iptables and bind9 to forward to google's dns

Hello i have a very hard time on getting along with iptables and bind9 as my internal network dns server. It's configured to forward my queries to google's dns (8.8.8.8). The main problem is i can't ...
1
vote
2answers
2k views

ubuntu 12.10 Lenovo b570e, WiFi connected but not working

I'm running ubuntu 12.10 liveUSB on a lenovo b570e. It has an atheros wifi card that connects with my home network but I can't browse AT ALL. My network is multiple clients --> router --> isp ...
1
vote
2answers
5k 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
vote
0answers
33 views

DNS Look up failed - Ubuntu 12.04

I have this problem, which seems to be a 'common' problem on Ubuntu. When I try to open some pages on chromium I get the "DNS look up failed" error. (It doesn't say exactly that on Firefox but it's ...
0
votes
0answers
39 views

dnsmasq unrecognized command

I'm attempting to run a script which calls service dnsmasq restart service dnsmasq restart dnsmasq: unrecognized service No matter what I call for dnsmasq, it gives me the "unrecognized service" ...
14
votes
2answers
908 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 ...
4
votes
2answers
4k views

Access Windows machines from Ubuntu on local network by hostname

[I've searched a LOT for a solution to this issue, but if someone wants to point me to a related question and/or answer, please do!] I have a local network over a broadband router with 3 Windows 7 ...
1
vote
1answer
26 views

Setup subdomain to service

I've managed to get 2 subdomains working following the second post in this thread, but it only works for Apache. I would like to have a subdomain pointing to a certain service running on the server. ...
2
votes
1answer
89 views

How can I connect to remote windows domain knowing gateway hostname and domain name?

I have received credentials for my University's network machine (Ubuntu yay!) that I have ssh access to. I would like to connect to it but first I need to connect through a gateway that I have ...
2
votes
1answer
19k 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 ...
0
votes
1answer
641 views

ping: unknown host

Since few days, my dedicated server (Ubuntu 13.04) is no longer able to ping or connect to my NAS through DNS (hostname -> kr1.synology.me ) . The IP address ( 178.83.88.248 ) address against , is ...
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votes
0answers
23 views

maas user interface does not talk to or sets up dns/dhcp

after setting up maas, i go to the ui http://xxx.xxx.xxx.x/MAAS. when i go to the cluster settings, and select dhcp/dns setting fill in all the info, and i get nothing. i do a dpkg -l maas-dhcp ...
43
votes
10answers
47k views

How do I clear the DNS cache?

I just updated the DNS record (ns1, ns2, ns3.myhostingcompany.com) for a site I've got hosted, but I still get the domain registrar parking page. I'd like to see if the problem is Ubuntu's cached DNS ...
0
votes
1answer
19 views

I installed DNS server in my initial Ubuntu server installion how do I uninstall it?

I installed a DNS server in my initiate Ubuntu server installation how do I uninstall it? Cause I don't want it any more and I don't want it laying around cause I heard the more server services my ...
1
vote
0answers
37 views

Update not working, nothing is installing in ubuntu 12.04

I am very much new to Linux. I'm using Ubuntu 12.04. The problem is that I'm unable to install anything on it. Initially when I installed it, it was fine. But I was having some dependency problem with ...
1
vote
0answers
83 views

(Solve) Connecting Ubuntu Server 12.04 to public network (internet access)

I have installed Ubuntu Server 12.04 on my computer. I want to setup my dedicated server for web server and also I already have my own domain for web hosting company. I followed these instructions ...
2
votes
3answers
470 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 ...
0
votes
1answer
20 views

LAN but no WAN acess

I have just moved and when I did I received a new DSL modem. I have set it up as a transparent bridge as I have an internal router. It is just like I had done before, except I got rid of my static IP. ...
0
votes
0answers
32 views

Dynamic DNS for Ubuntu machine

I have a server running on my laptop. Basicly I want a program that acts as a Dynamic DNS for my laptop so traffic can be routed from my clients; regardless of where my laptop is connected to the ...
0
votes
0answers
8 views

Apparent DNS error when virtualized Ubuntu comes back from sleep

I am running ubuntu 13.10 in Virtualbox on a Windows 8 host. When my host machine sleeps and wakes, my tabs in guest Ubuntu no longer connect even after the main connection is restored. What makes ...
1
vote
0answers
107 views

Why would having multiple nameservers in resolv.conf cause nslookup to fail, but a single entry work?

I have a resolv.conf on ubuntu 12.04 that looks like this (IP addresses have been changed to nonsense): search internal.mydomain.com nameserver 205.169.169.193 That nameserver is not authoritative ...
0
votes
1answer
28 views

dns is fine but www don't work

I currently have a server with a static IP address and setup DNS on it. I have my DNS server working correctly for my domain. I can create an A or CNAME record, restart BInd9 and it works. I have ...
3
votes
1answer
8k views

How to redirect a URL to a custom IP address?

I have an Ubuntu machine that I'm using as my home Internet router. It uses a USB mobile broadband modem as its Internet connection, and shares this with another router (via the router's "Internet" ...
0
votes
0answers
66 views

Wifi Connected. But No internet

I'm using Lubuntu dual booted with Windows 8. I have an ACER aspire V3 laptop. I installed Alternative wireless driver Broadcom 802.11 Linux STA wireless using Additional drivers. Now i can connect ...
1
vote
0answers
29 views

TSQL connection refused - host command DNS resolve issue in local network

I am using VMWare Starter and running 2 guest VMs, Ubuntu and Windows XP Professional. The host system is Windows 7. Windows XP Professional hosts MSSQL database, Ubuntu talks to it using FreeTDS. ...
1
vote
1answer
1k views

Problem with DNS in Ubuntu 12.04 and Mullvad VPN

I hope you are all well. Here's my problem. I was running Ubuntu 10.04, and I got Mullvad , a VPN service because it is anonymous and cheap. Mullvad VPN service installed perfectly on 10.04 and I ...
4
votes
2answers
6k views

Internet over USB on BeagleBone Black

I've recently installed Ubuntu 13.04 on the Beagle Bone Black. This image: https://rcn-ee.net/deb/flasher/raring/BBB-eMMC-flasher-ubuntu-13.04-2013-10-08.img.xz This microcontroller allows to ...
28
votes
4answers
72k views

Command-line to list DNS servers

Is there a command to list dns servers? I tried $ cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR ...
2
votes
4answers
6k 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: ...
1
vote
1answer
39 views

can I use bind9 as a DNS to resolve to an external IP?

Question says it all. I have a digital ocean IP address and I want to know if I can use bind9 to resolve a registered domain on a completely different network/IP? If not, what can I use? Thanks!
2
votes
2answers
114 views

In Ubuntu 12.04 can I disable Iptables firewall?

I want to create a minecraft server for me and my friends to connect to (port 25565). I already use ddclient, which updates the external ip so that the data sent to the hostname is forwarded to the ...
0
votes
0answers
36 views

DNS / resolve issue with certain commands

I have dnsmasq running on my gateway and have populated /etc/hosts with host information for my LAN. This works great for all my workstation they can resolve both short and long host names, e.g. ...
1
vote
0answers
47 views

dnsmasq Not Serving Up Hostnames on hostapd Network

My goal is for clients to be able to connect to my wifi access point and access services on it using a hostname. Currently clients can connect and get assigned an IP by DHCP, but they cannot resolve a ...