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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449 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
42 views

Hosting website and Google App mail under VPS by creating nameservers

I have a domain(from IndiaLinks) and a VPS server(from OVH with an IP). Consider the domain as mysite.com. Before purchasing this vps, I used to host it with shared hosting by adding the given ...
2
votes
0answers
118 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
350 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
333 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
votes
0answers
113 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 ;; ...
2
votes
0answers
641 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 ...
2
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0answers
932 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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2k 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
votes
0answers
85 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
788 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
votes
0answers
230 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
votes
0answers
198 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
528 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
votes
0answers
2k 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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0answers
13 views

Having trouble getting duckdns to work in 14.04.2 LTS

I'm trying to get DNS working for my odroid-C1 Ubuntu but running into this weird problem, error message saying symbol lookup error but my libjavascriptcoregtk-3.0 package is the newest and greatest. ...
1
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0answers
67 views
+50

DNS Resolution Problem on Ubuntu 14.4 LTS

I have a Windows 8 host machine running VirtualBox and a running a Ubuntu 14.4 LTS Virtual Machine. In the Ubuntu VM, I can access and resolve DNS for every external site (Ex.: www.google.com) and I ...
1
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0answers
36 views

Resolvconf doesn't generate nameserver IP when I used openvswitch?

Why can't resolvconf generate dns-server or how to troubleshoot it? root@openstack-controller-01[Standby]:/home/user01# cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) ...
1
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0answers
20 views

APACHE 2 DNS: DNS for mail server

I am trying to configure my own mail server. My domain name is: exemple.net I've created a sub-domaine (a virtual host an apache2): mail.exemple.net my hostname is: server01 (the name of the server ...
1
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0answers
30 views

HTTPS on Ubuntu instance Amazon EC2

I have a question which I hope somebody can answer for me. My situation: I have an Ubuntu Server running Apache2 on a EC2 Amazon instance, which is serving an OwnCloud instance. My goal: I want to ...
1
vote
0answers
76 views

SRV record for localhost XMPP

My question is how to add the SRV records for XMPP to my localhost domain (dns configuration)?. Where exactly do I have to add and What tool do I need to perform this? I am new to DNS configuration ...
1
vote
0answers
86 views

How to configure Ubuntu Server to point to my registered website's domain?

First off, I'm aware that it's a possibly a duplicate, but what happens is that no matter what I try to google, read, and setup, I'm just unable to fully understand how to do it. Why? Let's take ...
1
vote
0answers
122 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
234 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
188 views

how to setup split-dns for vpn with network-manager

I want to create a split-DNS config on a 14.04 desktop machine with both a local eth network and a VPN connection. Ie I should send DNS lookups for address ranges that are accessed via the vpn to the ...
1
vote
0answers
142 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
295 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 ...
1
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0answers
71 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; " ...
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0answers
375 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
98 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 ...
1
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0answers
374 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
675 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 ...
1
vote
0answers
102 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
418 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 ...
1
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0answers
725 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
66 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 ...
1
vote
0answers
91 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
271 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 ...
1
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0answers
139 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
202 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
vote
0answers
69 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 ...
1
vote
0answers
285 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
393 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
13 views

Check if DNS-server is correct configured

how do I check if my DNS server is correctly configured? when I do this command without editing /etc/resolv.conf to DNS server's IP host 192.168.0.X I get host X.0.168.192.in-addr.arpa not found: ...
0
votes
0answers
27 views

Ubuntu 14.04 no DNS resolv

In my desktop pc with dual boot (Ubuntu 10.04 and Ubuntu 14.04) with the same Network configuration I have access to the internet running 10.04 and after the last update in 14.04, NetwokrManager stop ...
0
votes
0answers
16 views

IP addresses of DNS Queries Show Up Backwards in Wireshark

I have been using DNSCrypt with dnsmasq on my Ubuntu 14.10 machine. When running a dumcap via Wireshark, I've noticed a couple of odd occurrences lately. Firstly, after disconnecting from my VPN, with ...
0
votes
0answers
19 views

How do I get NetworkManager's dnsmasq to work properly?

I have decided to give Ubuntu another shot, but I am running into some road-bumps after getting it installed. Namely, NetworkManager is not playing well with DNS. I am trying to get networking ...
0
votes
0answers
5 views

Possible to access lxc guest containers via DNS?

Assume I have a VPS server available at dev.myserver.com- I would like to be able to run 1 or 2 services from this one server, for example a saltstack service and a Jenkins instance. Now to keep the ...
0
votes
0answers
44 views

browser unable to resolve host

I want to visit some websites, but I always get "unable to visit", unable to resolve the host. I tried ping, and I get: esolve@mypad:~$ ping http://www.santaihu.com/ ping: unknown host ...