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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431 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
50 views

Understanding ssh - apparent IP address: dynamic vs local port forwarding

I have ddwrt on my router back home and I'm playing with ssh on my laptop from a remote location to better understand ssh. My router has port 5000 listening for incoming ssh which it port forwards to ...
2
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0answers
194 views

Ubuntu 14.01 LTS can't access some websites

Something is wrong with Ubuntu Kernel and Windows DHCP,DNS Server. First i will explain my problem in few words and then ill post all my configurations. My ubuntu computer is behind a all-in-one ...
2
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0answers
93 views

Ubuntu 14.04 - Network problems (wireless and DNS)

I have seen a very similar problem on post: Cannot resolve dns on 12.10 install but with no clear answer and my problem is related to Ubuntu 14.04, another particularity is that this problem started ...
2
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0answers
636 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
1k 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
71 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
612 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
185 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
154 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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460 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 ...
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44 views

dns-nameserver entries are ignored after 127.x.x.x

I'm trying to configure a static eth0 in a 1404 vps (lxc container). My interface config is auto eth0 iface eth0 inet static address 192.168.1.1 netmask 255.255.0.0 gateway 192.168.10.10 ...
1
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0answers
62 views

Both named and dnsmasq serving DNS on port 53?

Is this considered normal for Ubuntu 14.04 ? netstat -tulpn shows that both bind9 (named) and dnsmasq serve on port 53: Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address ...
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0answers
55 views

DNSMASQ Error in Syslog

I was browsing my syslog and I found this error:- NetworkManager[984]: [1407179609.489726] [nm-dns-dnsmasq.c:393] update(): dnsmasq not available on the bus, can't update servers. ...
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0answers
38 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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0answers
135 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 ...
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0answers
192 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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318 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
72 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
276 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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312 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
70 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
280 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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327 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. ...
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0answers
117 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 ...
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0answers
112 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
57 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
125 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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0answers
590 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
451 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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0answers
76 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
251 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) ...
1
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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 ...
1
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0answers
461 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 ...
1
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0answers
130 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 ...
1
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0answers
180 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 ...
1
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0answers
62 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
274 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 ...
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0answers
265 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 ...
1
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0answers
159 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 ...
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0answers
337 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, ...
0
votes
0answers
14 views

why do all bad hostnames resolve to 198.105.254.23?

I'm running 14.04 on a desktop and laptop connected to a DSL router and am unable to get any of the internal hostnames to resolve correctly. When I dig desktopname: ; <<>> DiG ...
0
votes
0answers
14 views

Local DNS server 127.0.1.1 fails often

This problem happens only at my workplace and only with my laptop, not my colleagues'. The problem is that DNS resolutions fail often. Sites won't open, git pushes won't execute, and i have to ...
0
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0answers
15 views

hosting website with ubuntu server, is SilverStripe CMS compatible?

I am seeking to host a website on my computer using Ubuntu Server 12.04, I made a website in SilverStripe (CMS), I already copy the whole project in Ubuntu using WinSCP, import the database in ...
0
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0answers
16 views

Routing internet, resources and other network traffic through two NIC

Say you have two NIC cards and want two different subnets on each card but one gateway to the internet: eth0 192.168.1.1 netmask 255.255.255.0 gw 192.168.1.1 (DHCP and DNS Services) eth0 ...
0
votes
0answers
22 views

Configure Bind9 to search local domain for localhosts first

First a little background.(skip this if your in a hurry) This is a network in a small shop. There is a mix of clients on this network. There are PC's running various versions of windows and linux as ...
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0answers
16 views

Server with two DHCP NICs: How to define whose nameserver to use?

I have a Ubuntu 14.04 server with two NICs, both get their configuration via DHCP. eth0 is connected to the internet, eth1 is connected to an internal subnet. I want that server to always use the ...
0
votes
0answers
21 views

all external requests/ping returns gateway as destination IP

"ping www.google.com" returns PING www.google.com (192.168.1.1) 56(84) bytes of data. and returns no response, obviously. "ping www.yahoo.com" returns PING www.yahoo.com (192.168.1.1) 56(84) ...
0
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0answers
16 views

Recommended way to create a Dynamic DNS service

I am trying to find web resources and recommendations on how to build a dynamic DNS service using ubuntu server. Any assistance would be greatly appreciated.