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.

learn more… | top users | synonyms

1
vote
1answer
21 views

Can't ping Arch Linux machine from Ubuntu Server

I have a server and a desktop. Server: OS: Ubuntu Server 14.04.1 IP address: DHCP from Asus router, allocated by MAC address to 192.168.1.4 Connection: wired Ethernet, always on Desktop: OS: ...
0
votes
1answer
17 views

Symbolic link to resolv.conf strange behaviour in Ubuntu 14.04

I recently upgraded my PC to Ubuntu 14.04. I then experienced major problem in DNS resolution that did not work anymore. I finally found the following: in /etc, there is a 'resolv.conf' wihich is a ...
18
votes
7answers
122k views

How do I configure my static DNS in interfaces?

I am using Ubuntu 12.04. My /etc/network/interfaces file consists of: # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth0 iface ...
0
votes
1answer
31 views

Where does `resolvconf` gets the IPs of DNS servers from?

On a server machine, I have the /etc/network/interfaces file similar to: # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth0 iface eth0 inet ...
1
vote
2answers
132 views

why does the “host” and “nslokup” command show the wrong IP?

On my Ubuntu 12.4 these work fine: $ hostname my-machine-XX ping `hostname` ping my-machine-xx (192.168.0.69) icmp_req=1 ttk=64 time=0.043 ms But host and nslookup return the wrong IP address: $ ...
2
votes
0answers
20 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 ...
0
votes
1answer
36 views

14.04 Desktop: Static IP is acquired, ping works, DNS does not

My question is very similar to this one: Can ping but no DNS I have setup a static IP on my previous Ubuntu versions - 9.04 and 12.04 - without issue. I have used an identical means this time as ...
3
votes
1answer
55 views

Using Ubuntu 14.04 as router with iptables, clients can't go online. Probably DNS issue, iptables setting needed

I've read through a large number of posts about iptables issues when using Linux as a router, but none could help me with the following: I am setting up a number of student workstations in our ...
0
votes
1answer
12 views

Only resolve DNS on VPN Server

I installed pptpd but my connection is too slow and i need use Google DNSes (8.8.8.8,8.8.4.4) on my Android without root for mobile network (not Wi-Fi). How can i configure my ubuntu server for just ...
0
votes
0answers
11 views

Access Server via a browser with DNS

I have Ubuntu 14.04 server running. When on my LAN I can go to a browser to access services running like Transmission and Plex by using the DNS address and the port number. My question is: How do I ...
0
votes
1answer
50 views

Evolution MAPI & Evo EWS not workining in Ubuntu 14.04

I recently upgraded my laptop from 12.04 LTS to 14.04 LTS without problems. First thing I tried is to reconnect Evo to our company's Exchange server. So I installed evo-mapi and the evo-ews package ...
1
vote
2answers
806 views

Slow DNS lookup after upgrading to 14.04

After upgrading my Kubuntu to 14.04 from 12.04, I got extremely slow DNS lookup in Firefox and Thunderbird. I have checked the communications with Wireshark. Launching e.g. http://vs.hu in Firefox ...
0
votes
0answers
39 views

DNSCrypt-Proxy specific usage

I have some specific usage questions about DNSCrypt-Proxy. I followed a guide and ended with the command dnscrypt-proxy --daemonize –user=dnscrypt Without any further switches does it default to ...
0
votes
0answers
17 views

redirect wrong dns queries to url address?

I have local machine with bind DNS server and i need to redirect wrong dns queries address name to specific address name or web site url like google any suggestions ?
3
votes
0answers
60 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 ...
28
votes
7answers
6k views

Problem resolving many of the Web Pages

I am presently running Ubuntu 12.04 and using Chrome/Firefox along with OpenDNS (have tried Google Public DNS as well as DNS of my ISP). Suddenly, a lot of websites that I visit frequently don't ...
0
votes
1answer
31 views

KVM DNS Access guest by using it's hostname (ubuntu 14.04)

I have a guest machine running ubuntu 14.04 on an ubuntu 14.04 host running KVM/QEMU. Everything works fine except for one thing. Given my guest's hostname is virtual-machine-1 I would like to be able ...
4
votes
0answers
95 views

Ubuntu 14.04 Server Cant Connect To Internet

Upgraded my server's software from Ubuntu 12.04 to Ubuntu 14.04 and now the server cannot access the internet. I can ping devices on my LAN, including my modem. When I try to ping any site on the ...
0
votes
0answers
42 views

Ubuntu 14.04 LTS DNS

Since the introduction in Ubuntu 12 of a new way to handle DNS with the resolv.conf file https://www.stgraber.org/2012/02/24/...-ubuntu-12-04/ I need to clarify something Inside this article As ...
0
votes
0answers
17 views

Ubuntu Zpanel Unable to receive e-mail

I am able to send e-mail from my zpanel mailboxes but am unable to receive any e-mails. I get this error from gmail when I try to send e-mail to my mailboxes: mail exchanger not found. My domain ...
41
votes
5answers
96k 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 ...
0
votes
0answers
19 views

Domain name server not working properly

My internet was not working in the browser or the terminal. After some inverstigation, I've found out that the problem is with the DNS. I have deduced this because ping 8.8.8.8 reports 0% packet loss. ...
1
vote
2answers
1k views

using DNS lookup in chroot postfix

I'm trying to set up a postfix set up on my client machines. All machines should use a central ldap directory for common postfix (e.g. aliases, etc). But since postfix runs in chroot postfix is unable ...
0
votes
1answer
37 views

Can ping but no DNS

I have installed Ubuntu 14.04 on my laptop. This laptop has a Qualcomm Atheros QCA9565 Wifi network card, but no ethernet port. I can connect to the router. I can ping to 8.8.8.8, but when opening ...
7
votes
2answers
36k views

How to flush dns in ubuntu 12.04? [duplicate]

how to flush dns of Ubuntu 12.04 LTS (GNU/Linux 3.2.0-23-generic x86_64) have tried many things form here and here also but nothing is working
1
vote
2answers
96 views

Ubuntu can not ping Host Name but can ping IP?

well I just went into the Ubuntu world for administration. I found similar threads, except, I am able to ping my own Host name and IP address and my windows can ping my linux host name, but Ubuntu can ...
8
votes
3answers
10k views

What is my DNS server?

My /etc/resolv.conf looks like this: # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver ...
0
votes
0answers
22 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. ...
0
votes
0answers
29 views

how to find dns servers that dnsmasq is pointing to

I cannot find a list of dns servers that dnsmasq is pointing to. nm-tool only gives the internal "DNS: 192.168.1.1" I want the upstream external dns servers that this is pointing to. I am on ...
5
votes
3answers
11k 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 ...
0
votes
1answer
23 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
1answer
45 views

How to set DNS exclusively for a Network Namespace

I've created a network namespace. I thought there was a resolv.conf file for each namespaces created but it's not the case on my system (Ubuntu 14.04). I don't have the following path ...
0
votes
1answer
48 views

How to compile/install bind9 with DLZ (MySQL) support?

I am wondering how to compile or install a version of bind9 that supports DLZ (specifically, MySQL) on Ubuntu 14.04. According to my internet research, bind9 doesn't support it by default. Does anyone ...
0
votes
0answers
24 views

DNS-Nameservers problem

I run Ubuntu server 12.04.1 LTS Precise. If my network/interface was set on auto, the DNS works correctly. I'm able to run apt-get update and to ping various sites. When my network/interface was set ...
0
votes
0answers
11 views

DNS zone file issue after upgrading from Ubuntu LTS 12.4.4 to Ubuntu LTS14.04

I have 3 dns servers. The 2nd and 3rd dns servers are slave from the 1st or primary server. All my server are running Ubuntu Server LTS12.4.4 and I would like to upgrade them to the lastest version, ...
3
votes
1answer
2k views

How to address ssh-server with a subdomain for remote access?

I am trying to set up ssh-server on my Ubuntu 12.04 VM (running in VirtualBox on Mac OS X 10.7). I have a domain name, call it foo.com, and I'd like to make ssh available via ssh to linux.foo.com. (I ...
-1
votes
1answer
34 views

How to create your own domain name from your IP and map/sync that with DNS server? [closed]

Is there any way to create your own domain name instead of purchasing???
0
votes
0answers
60 views

Not resolving DNS in Virtualbox guest OS

I'm running Ubuntu as a guest OS in VirtualBox within a Windows 7 host. I cannot access the internet from within the Ubuntu VM. Firefox just times out. In terminal I can ping external IP addresses ...
1
vote
4answers
3k views

WIreless connects but Internet stops working on Ubuntu 12.04 64 Bit and Broadcom 4313

I'm running Ubuntu 12.04 64 Bit on a HP Pavilion dm4. It has a Broadcom 4313 Wireless Adapter and a Realtek RTL8168D/8111D Ethernet Adapter. I haven't been able to get consistent internet access from ...
1
vote
1answer
171 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: ...
0
votes
3answers
69 views

Web Hosting Management Package

I want to host multiple domains on my Ubuntu VM. Is there any package like Lamp to handle DNS, Email, Apache and other needed softwares for a web server? I'm looking for a software like Plesk and ...
0
votes
0answers
19 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 ...
3
votes
3answers
25k views

How do I set a static DNS nameserver address on Ubuntu Server?

I am trying statically to set DNS server addresses in my Ubuntu server running as virtual machine. I followed all recommendations on official Ubuntu support pages but I simply cannot get rid of my ...
0
votes
0answers
22 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
1answer
46 views

Apache - server not resolving by /etc/hosts if I have not internet connection

I have configured many virtualhosts in my current apache2 server, in my local machine (Ubuntu 13.10). Those are different local sites, with domains which are set in my /etc/hosts: 127.0.0.1 ...
0
votes
1answer
43 views

How to make WLAN server accessible on the internet

I'm using Ubuntu 14.04 desktop. I've installed LAMP and I believe a DNS program and a mail server. Since my ISP is dynamic IP I am using noip.com's free dynamic DNS service (which I know works because ...
0
votes
1answer
12 views

bind9 DNS works predictably for OSX machines but not for Windows machines

I have set up s DNS server using bind9. The purpose is to create a zone so that developers can browse to their work at something.dev.di where something could be anything as long as there is a matching ...
1
vote
1answer
27 views

Why are all my DNS queries received from 127.0.0.1?

I used the host command on Ubuntu 12.04 LTS to check my DNS server: host -a www.amazon.com showing this: Trying "www.amazon.com" ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: ...
0
votes
0answers
16 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
58 views

Network DNS problem

I have Ubuntu 12.04 LTS and Windows Server 2008 with DNS server and AD ,both installed on VirtualBox. Firstly I want to ping my domain from Ubuntu host. To do this I configured ...