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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3
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420 views

DNS servers not correctly set in VPN

I have to use an OpenVPN network to work from home, and I occasionally have problems getting DNS to resolve. The problem comes and goes, and I can't reproduce it reliably. I took the OpenVPN config ...
2
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0answers
46 views

VM can't ping LAN name but sees it via nslookup

I am trying to connect to a network resource from my 10.04.4 VM (VMware Fusion) but the destination is unreachable by name. What is weird is that the name is visible in DNS: >nslookup my.name ...
2
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0answers
280 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 ...
2
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0answers
611 views

How do I set up a reverse dns on Ubuntu 12.04 VPS

As far as I can remember when setting up my VPS and mail server on it, I had configured the mail server correctly. However, a few of my clients get SMTP errors, host mx1.zonnet.nl[62.58.50.9] ...
2
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0answers
68 views

How to access Amazon EC2 instance from Ubuntu 13.10?

I have an Amazon EC2 (Windows) instance which has been created for me and I have public DNS, public IP and the public key. I would like to RDP to this instance from Ubuntu 13.10. I have recently ...
2
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0answers
434 views

How to host a website using Ubuntu 13.04 on my local machine

How do I do a complete BIND9 DNS Server Configuration with a hostname? Thank You so much for this wonderful answer. Although the talk here had been more on the lines of setting up a home based server ...
2
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0answers
160 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 ...
2
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0answers
136 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: ...
2
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0answers
404 views

I am unable to use internet in no proxy mode

I am using Ubuntu 10.04 (installed using Wubi in Windows 7) and when I change my proxy settings to no proxy (without any proxy server), I am unable to access any page (using Firefox or Google Chrome) ...
2
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0answers
1k views

Postfix cannot resolve local IPs from Name Server

I currently have a server running "Ubuntu Server 12.04.1 LTS" installed with Postfix Bind 9 (Slave) The postfix cannot seem to resolve my internal IPs to Name Server (PTR) entry I have within ...
1
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15 views

dig +trace returns my DNS IP

When I'm trying to execute dig +trace command, output is the following: $ dig +trace google.com ; <<>> DiG 9.9.5-3-Ubuntu <<>> +trace google.com ;; global options: +cmd ;; ...
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53 views

Ubuntu MAAS DHCP working DNS Not working

I setup Ubuntu 14.04 MAAS on one server. I setup interface to manage DHCP and DNS via the Cluster interface. DHCP is working. But, DNS is not! When I try to add another node, it is doing PXE boot, ...
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0answers
94 views

Ubuntu DNS server working, but getting errors in syslog

it's my first question to the forum here, so please go easy on me. I'm a Linux newbie and I experimented with setting up my own Ubuntu server (server name : araliya, domain: autun.hom, IP: ...
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0answers
158 views

With MAAS set to manage DNS on a subnet on a private IP range, why do only some nodes have DNS entries?

I'm trying to set up OpenStack on MAAS, using trusty. I have a network between these machines all bridged/switched together. I have set up MAAS at 192.168.7.200, I have a Juju client machine at ...
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0answers
51 views

Prevent some interfaces from editing resolv.conf

I am trying to connect a camera to the internet. To do this, I have two devices: lte0 and wlan0. The camera (Sony NEX 5) is controlled over wlan0, and lte0 is the LTE connection. My ...
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0answers
143 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" ...
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0answers
136 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 ...
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0answers
50 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
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0answers
158 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 ...
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0answers
122 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
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0answers
86 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 ...
1
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0answers
77 views

Network Manager VPN doesn't update resolve.conf with nameserver

When I connect VPN via NetworkManager, I can't access resources by domain name. But it's ok using IP. Seems like NetworkManager isn't updating resolve.conf with VPN nameservers. I've visited and tried ...
1
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0answers
51 views

Network Problems after installing wireless USB Adapter

some time ago I tried to install an Edimax 150Mbps Wireless IEEE802.11b/g/n USB Adapter for my Lenovo T60 for better wifi performance. It didn't really work out properly, at least I had the feeling ...
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0answers
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?
1
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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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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 ...
1
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0answers
70 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 # ...
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0answers
240 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) ...
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0answers
1k views

Setting up DNS and/or Nameserver on VPS

I currently have a VPS and two domains (.com/.net) at an external registrar. My registrar does have DNS controls. I have a forwarded email (on my .net) through my registrar. I have installed and used ...
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0answers
435 views

Intermittent wireless internet connection in Ubuntu 12.04

I recently upgraded from 11.10 (Oneiric Ocelot) to 12.04.2 LTS (Precise Pangolin) (64 bit version) and suddenly my wireless internet connection has become intermittent. For example, when I am loading ...
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0answers
126 views

Content Delivery Network

I have a project that i need to setup Content Delivery Network on Ubuntu, That involves like Geo Dns structure, Fail over and High availability So i am looking if some one help me that where should i ...
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175 views

how to force ssl with default-ssl without DNS?

I know this has been covered everywhere, and I've actually made this work on another server, but I can't seem to get it to work. I have this RewriteEngine on RewriteCond %{HTTPS} !=on ...
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0answers
60 views

Domain name problem with VPS

I want to host a website on a VPS. I have everything working except for domain name resolution. The VPS has no control panel. It just has a CLI. I did go to my domain registrar which provides DNS ...
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0answers
266 views

Internet does not work on Windows 8 pre-installed laptop

I'm booting into ubuntu using a LiveUSB on my Windows 8 Sony Vaio laptop. It connects to the wi-fi but nothing works. I checked the proxy settings on the browser. Even when I try to ping google.com ...
1
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0answers
259 views

Ubuntu Server 12.04: No internet through switch, help

I've been using Ubuntu Server 12.04, upgrading to 12.10 once I figure this out, on my IBM xSeries 335 (name: Server1; ip: 10.0.0.50) as a web server. I recently got a computer from a family friend ...
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0answers
151 views

Opendns setup failed. How to fix it?

I have problems trying to configure OpenDNS. I have contacted OpenDNS support but they did not answer. I cannot access websites like Twitter and Facebook. I tried welcome.opendns.com (did not ...
1
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0answers
307 views

Creating DDNS with udhcpd and PowerDNS

Server OS = Ubuntu 12.0.4.1 LTS Desktop OS = Windows 7, Ubuntu 12.04.1 LTS DHCP Server daemon = udhcp DNS Server daemon = powerdns (using mysql as the backend) I am very new to the Linux scene, ...
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0answers
40 views

Fail to access Network options

I am trying to use OpenDNS for my newly installed Ubuntu 12.10... However I cannot insert custom DNS addresses... I am accessing Network, then at my wireless connection, no matter how many times I ...
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0answers
218 views

Internet connectivity issues

I'm on 12.04, I upgraded a month ago from Windows 7 on my Sony VAIO. Everything is great except after the upgrade, I encountered Internet connectivity issues. When browsing the web or loading ...
1
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0answers
586 views

Ubuntu 12.04 desktop ISO CD boot under VirtualBox, no network

I boot the Ubuntu 12.04 desktop ISO CD with VirtualBox, but get no DNS. I.e., eth0 has its IP address, but DNS resolving always fails. I tried VirtualBox bridged networking, then NAT, but for both ...
0
votes
0answers
26 views

Internet issues in Vbox Ubuntu 14.04 guest OS not resolving DNS

I'm running Ubuntu as a guest OS in VirtualBox within a Windows 7 host. I'm a newbie to Linux but as a lab based scientist who wants to teach himself some basic bioinformatics I need to get my head ...
0
votes
0answers
14 views

Can not ping local site

I have the following situation: On one server in our network we have the DNS Server. Here we define hostnames for some local sites (ex: 192.160.1.6:8060 -> fisheye.idn.local). When accesing the site ...
0
votes
0answers
16 views

Problem with webmin (DNS)

I setup slave DNS server for my master, I configured everything, all domains was transfered to the slave server, I can add new domain, edit existing domain, but in the logs I've got problems. There ...
0
votes
0answers
15 views

DNS traffic keeps increasing

I have installed Monitorix on my home computer to play around with all these awesome things I can do with Ubuntu, and even joined the Monitorix mailing list. I had a question regarding how Ubuntu ...
0
votes
0answers
15 views

DNS resolution conflict in 12.04

I ping host1 in my first terminal, it exits with 0 (success). Then in a separate terminal I ping an unknown host (which fails) and it makes the first ping fails as well! Here is my best shot at ...
0
votes
0answers
24 views

Ubuntu 12.04 Cannot connect to Starbucks Free attn Wifi, DNS issue

first off, I'm a bit of a newbie and networking stuff is not my forte. So I've been pulling my hair out for the last hour trying to get my 12.04 Ubuntu partition to connect to an AT&T hotspot in ...
0
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0answers
20 views

Can not reach bitbucket.org from browser

I can not load bitbucket.org in the browser(both FF and chrome).When i ping i get the right answer: PING bitbucket.org (131.103.20.167) 56(84) bytes of data. 64 bytes from 131.103.20.167: icmp_seq=1 ...
0
votes
0answers
16 views

Can I use dhclient-exit-hooks.d to update freedns.afraid.org

If I understand it correctly, the dhcp client installed in my ubuntu installation will call scripts located in /etc/dhcp/dhclient-exit-hooks.d/ after dhcp settings are acquired. I have used this in ...
0
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0answers
13 views

opendkim-genkey txt record in Ubuntu 14.04

After upgrading to Ubuntu 14.04 and generating keyfile using opendkim-genkey I've noticed the txt file is broken like: myselector._domainkey IN TXT ( "v=DKIM1; k=rsa; " ...
0
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0answers
20 views

subdomain setting with ubuntu server 12.04

I have created subdomain in my DNS server and I wonder how to set each subdomain so that it only accept connections via particular port? eg: ftp.example.com ---> only accept connection comes from ...