Tagged Questions

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

0
votes
0answers
88 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
260 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
votes
0answers
38 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
259 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
votes
0answers
38 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
106 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
160 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
724 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
42 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
100 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
79 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
306 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
254 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
votes
0answers
116 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 ...
-2
votes
2answers
1k 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
votes
0answers
71 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
votes
0answers
347 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
votes
0answers
70 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
65 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?
-1
votes
1answer
85 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 ...
1
vote
0answers
64 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 ...
5
votes
2answers
3k views

docker.io DNS doesn't work, it's trying to use 8.8.8.8

I have a new Ubuntu 14.04 install, and want to use Docker to run my old stuff that needs 12.04. DNS inside Docker doesn't work. My laptop's resolv.conf looks like: nameserver 127.0.0.1 Which ...
0
votes
0answers
71 views

How to make rdnssd honor DNSSL from radvd?

My radvd.conf have the following lines: ... RDNSS 2001:4860:4860::8844 2001:4860:4860::8888 { }; DNSSL domain.com.br { }; ... All Mac OSX IPv6 clients recognizes that option and my domain appear at ...
1
vote
1answer
95 views

Static ip but dynamic nameservers?

Trying to change nameserver' settings for a Ubuntu-13.04 server I came upon this situation! /etc/network/interfaces : # This file describes the network interfaces available on your system # and how ...
0
votes
0answers
180 views

Smart DNS Server configuration on my Ubuntu VPS

I need to configure Smart DNS Proxy Server on my Ubuntu VPS so all people can connect to my VPS DNS and watch website content like overplay. I need expert help and detailed steps for how to get ready ...
1
vote
3answers
426 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: $ ...
0
votes
0answers
158 views

error in named configuration

I am getting the following error while starting named service after configuring dns. Pls help [root@server ~]# service named start Starting named: Error in named configuration: zone ...
1
vote
1answer
360 views

Subdomain Configuration on Ubuntu nginx Server [closed]

First of all, I'm sorry for my bad English. I'll try to explain my aim as much as possible. I'm using a 2 Core and 2 GB memory VPS with 1 dedicated IP address from Digital Ocean for my project. I'm ...
0
votes
0answers
2k views

Ubuntu Server 14.04 LTS - Default gateway and DNS different to Laptop network settings

I have been having trouble setting my Ubuntu server network settings. Both my laptop and server are connected to my home router, laptop via wifi and router via ethernet, router address is ...
0
votes
0answers
108 views

DNS (caching, zones) in 14.04 not working correctly

trying to get DNS working locally. I have a client VM that is a static IP and pointed to the local nameserver (.250) via /etc/network/interfaces. Both VMs are set to NAT, which I suspect may be an ...
1
vote
1answer
149 views

Problem Configuring DNS on ubuntu server running as a virtual machine

I am running "ubuntu-14.04-server-amd64" server as a virtual machine via virtual box on my MAC OSX 10.9.X. I am trying to learn how to configure DNS via linux. I crawled websites for continuously for ...
0
votes
1answer
32 views

Send e-mails from a server, preventing from being blocked by anti-spam [closed]

I have a domain that points to server A. There is an 'a' entry in the DNS table of this server pointing to a server B. My website visitors will see the page hosted in the server B, not A. MX entries ...
1
vote
3answers
222 views

Error message; [IP]in-addr.arpa has no PTR record: [duplicate]

I'm trying to figure out how to find the hostnames of computers on the LAN network. I put in the known address of a computer, but I'm getting an error I don't understand. ...
0
votes
2answers
378 views

bind fatal error cant open custom log

I have been having problems with bind9 on 14.04 LTS sudo service bind9 start produces next log May 20 21:47:46 c1 named[1110]: starting BIND 9.9.5-3-Ubuntu -u bind May 20 21:47:46 c1 named[1110]: ...
-1
votes
1answer
57 views

DNS issues. Why and how to resolve?

I had been running internet via my USB modem and things were pretty well till last week. From then, I wasn't able to access websites or any net service, though applet shows network is connected. ...
0
votes
1answer
147 views

possible DNS problem unable to connect to us.archive.ubuntu.com

I just upgraded my ubuntu server via command line to version 12.04. I was on 11.10, so when I upgraded I have to switch the sources in source.list to the old-releases.ubuntu.com source. Everything ...
0
votes
1answer
5k views

How to create and configure DNS Server in Ubuntu 14.04 LTS Server

How to change the name of localhost to custom name which is available to other users in lan As the extension of my previous question i want to know how to implement DNS Server and configure it. In ...
0
votes
0answers
138 views

DNS Configuration Questions

The System: Ubuntu Server 12.04 LTS The system has the Ethernet interfaces eth0 and lo Background: So I installed and configured dnsmasq on my system. dnsmasq somehow managed to update ...
0
votes
1answer
37 views

Global DNS change

can someone help me change my DNS server globally without having to do it manually thru network manager for every connection I have. I want to use OpenDNS, whether its at home, uni, wifi hotspot, ...
0
votes
3answers
6k views

ping: unknown host google.com in UBUNTU SERVER [duplicate]

I use Ubuntu Server 12.10. Why if I try: ping google.com ping bitbucket.org or any other website I have: ping: unknown host google.com ping: unknown host bitbucket.org EDIT: ...
2
votes
0answers
1k views

Not pinging with host-name and can't ssh using hostname [duplicate]

I have setuped a DNS server in Centos6.5 and its working with every client machines other than ubuntu, now i have issue with ubuntu While im trying to ping from desktop machine to DNS server as ping ...
0
votes
0answers
374 views

Ubuntu 14.04 on VMWare DNS Not Working

For reasons, I don't understand, my Internet is not working in Ubuntu 14.04 running via VMware. In all probability I think it's a DNS problem as I'm also not able to ssh into my servers. Some ...
1
vote
1answer
52 views

Error starting up dns forward zone file

I am working setting up my DNS, but i am getting errors in: tail -f /var/sys/log. I have setted up a static ip-adress in networks: 192.168.10.1 May 11 18:13:54 s180368 named[3582]: command channel ...
1
vote
2answers
577 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: ...
3
votes
1answer
87 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 ...
1
vote
1answer
388 views

How to remove a DNS nameserver on Ubuntu 14.04

So I just installed Ubuntu 14.04 on my laptop. Firefox has been incredibly slow, and I suspect my DNS settings to be the issue. When I do a cat /run/resolvconf/resolv.conf here is what I get: ...
1
vote
0answers
386 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 ...
3
votes
1answer
424 views

How can I redirect *.localhost to 127.0.0.1 in Ubuntu 14.04?

I used to be able to make foo.localhost, bar.localhost, etc. resolve to 127.0.0.1 by adding address=/localhost/127.0.0.1 to /etc/dnsmasq.conf But dnsmasq.conf doesn't exist in Ubuntu 14.04, and ...
0
votes
0answers
32 views

Append DNS Suffix - Wifi vs Physical

So a while back I changed my DHCP config to appended a dns suffix automatically. I modified the.. /etc/dhcp/dhclient.conf ..config file and added the a line.. append domain-name "mydomain.net"; ...
0
votes
0answers
221 views

wwan / qmi_wwan.ko / network IP config

I am trying to get a new wwan module working on Ubuntu 12.04. I am relatively new to modern linux - I wrote linux drivers "back in the day". These days I primarily write OSX drivers for wwan modules ...