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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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 ...
6
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3answers
305 views

Internet conection problem when updating Ubuntu 12.04 to 14.04 Server

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 ...
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0answers
103 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 ...
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0answers
85 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 ...
0
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0answers
57 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. ...
0
votes
1answer
104 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 ...
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2answers
1k 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 ...
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0answers
56 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
56 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 ...
0
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0answers
29 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 ...
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0answers
32 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, ...
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1answer
59 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
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1answer
141 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
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0answers
89 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 ...
0
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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 ...
0
votes
1answer
70 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
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0answers
33 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
28 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
178 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
79 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
18 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
62 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: ...
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0answers
18 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 ...
2
votes
1answer
352 views

How to change the DNS server across network interfaces?

The only consistent solution for changing your DNS server is to change it in each individual network interface. This means for Ethernet and for each wireless network you use. I'm looking for a way to ...
1
vote
0answers
40 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
144 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
votes
0answers
38 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
1answer
297 views

Connecting to private IP's in Ubuntu 14.04 with Microsoft VPN

I have an installation of Ubuntu 14.04 configured with a VPN connection. I followed this article which seemed to pertain to Ubuntu 12.10 but the instructions seemed to apply for the new version as ...
0
votes
2answers
339 views

How do I find DNS servers in use by my Xubuntu 14.04 Server?

I have a Xubuntu Server 14.04 x64. How do I list all DNS servers that are in use without NetworkManager which is not even installed?
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0answers
73 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 ...
1
vote
1answer
183 views

ping the FQDN failed but 'short name' works [duplicate]

I'm on an enterprise LAN (Windows domain and Windows DNS server) and I want to access to another computers on LAN (mostly in https) On my ubuntu (14.04, fresh install) when I do : ping ...
0
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0answers
35 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
votes
2answers
209 views

I got Apache working on localhost (“it works!”), but now how do I get it to work on the internet?

I can see my "website" locally but how do I get it to show up online? Does it need a domain name per se or can't I just get DNS somehow to pick up my IP address and put it online or something, I don't ...
0
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0answers
32 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 ...
0
votes
1answer
100 views

Use Ubuntu Server as Proxy

First of all if i'm asking this question at wrong place i'm terribly sorry for it. I'm an expert about NT Servers but very rookie about linux systems, i'm making tests to learn it. I want to share ...
0
votes
1answer
103 views

network unreachanble [closed]

I have a wifi router and all other devices are working fine (have i-net) On my ubuntu box I can connect to wifi network. I cannot ping anything: $ ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 ...
3
votes
2answers
630 views

How do I make Apache serve a single static page no matter what the entered URL is?

I'm making an advertisement blocking DNS server that redirects all the advertisement domains to an instance of Apache. So something like www.addomain.com gets redirected to dnsserver.localnetwork ...
0
votes
1answer
41 views

Why is hostname resolution different with root/sudo?

If give my NAT IP a hostname in /etc/hosts # ... 192.168.20.20 myname-local.de then ping myname-local.de is successful, but sudo ping myname-local.de says unknown host? Why is that? And how do I ...
0
votes
2answers
87 views

internet is not coming but skype is working

I am unable to connect to internet. All configuration are correct. whenever I start my system I need to do the following configuration. Log in to root, cd /etc nano resolve.conf then I write the ...
0
votes
0answers
58 views

How to fix transient dns resolution errors?

I'm running into an issue with dns resolution failing for no reason, for example: ssh: Could not resolve hostname bitbucket.org: Name or service not known. When I retry a command, eventually the ...
0
votes
1answer
271 views

customized Ubuntu 14.04 - DNS doesn't work

I've made a Ubuntu 14.04 VM, customized it a bit (apps, etc), and created an .iso via REMASTERSYS. I then made a bootable USB w/ unetbootin. The DNS works on the VM and on multiple laptops in the ...
1
vote
0answers
201 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, ...
0
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0answers
113 views

Ubuntu maas DNS Node not connected to internet

I have a Ubuntu MAAS Region and Cluster Controller on one Server. It is running DHCP Server as well. MAAS Cluster interface - "Manage DHCP and DNS" did not start a DHCP Server. So, I had to manually ...
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votes
2answers
897 views

override dns nameserver

i wish to set higher priority for my dns nameservers, or override the ones that are being set by the dhcp server. no matter which approach i took, nslookup never displays the right dns nameserver. ...
0
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0answers
68 views

Ubuntu Thunderbird doesn't send anymore all of a sudden (T-Online, SMTP-Error), wrong DNS-Records?

so, here's the thing: an ubuntu-machine (all of a sudden) cannot send emails anymore (using Thunderbird), receiving emails still works. Details: Because the pc has a really weak VGA, I couldn't ...
0
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0answers
290 views

How to set multiple nameservers in /etc/resolv.conf which sticks on reboot?

Ubuntu 14.04 Server edition only displays "nameserver 127.0.0.1" in "/etc/resolv.conf" on each reboot if the dns-nameservers in "/etc/network/interfaces" contains 127.0.0.1 and some other DNS such as ...
0
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0answers
59 views

Zentyal PDC on MAAS

OK, so I may be smoking crack here, but feel free to tell me... ;-) I currently have a server running Ubuntu 12.04 LTS and Zentyal 3.3, with the latter configured as my primary domain controller ...
0
votes
1answer
61 views

How to stop DNS attack in dns server [closed]

My DNS server is receiving hundreds of query request in every minutes from unknown users. How can I stop this?
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votes
1answer
79 views

Set up NGINX and bought a domain. How to connect the two? [closed]

I have set up nginx on my vserver and it seems to be working properly. I also purchased a domain at nic.md Now it's asking me for NS host names and addresses. Googling did not help much. Do I need to ...
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vote
0answers
57 views

ubuntu Server 12-04 can access lan but not internet [closed]

My Ubuntu server stop going to Internet, I can ping the server from the LAN but the server do not go to the Internet. ifconfig; br0 Link encap:Ethernet HWaddr 00:10:18:77:5e:46 inet ...