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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2
votes
1answer
803 views

Domain name isn't assigned from DHCP when booting from Live CD

I downloaded the ubuntu 10.10 ISO image for AMD64. When i start the ISO ubuntu gets an IP address from my DHCP server. NetworkManager updates /etc/resolv.conf according to the DNS config provided by ...
6
votes
0answers
8k views

Network Manager discards changes to /etc/resolv.conf on boot [duplicate]

Possible Duplicate: How To Auto Add To /etc/resolv.conf? I wrote interfaces entries manually because of weird behaviour from network manager/indicator: $ cat /etc/network/interfaces auto ...
12
votes
3answers
22k views

Prefer A (IPv4) DNS lookups before AAAA(IPv6) lookups

In notice my newly installed Ubuntu 10.10 always does an AAAA DNS lookup before A record lookups. Is there any way I can configure the system to do A lookups first ? (While various browsers and other ...
15
votes
7answers
9k views

Why does my resolv.conf file get regenerated every time?

My /etc/resolv.conf file gets regenerated every time, making me loose Google DNS servers when I reconnect my 3G modem. For changing the DNS settings, I looked at ...
8
votes
1answer
16k views

Why does my name resolution hit the DNS even with a hosts file entry?

I'm running Ubuntu 10.04.2 LTS Desktop. Being a web developer, naturally I created a "me.com" in my /etc/hosts file. Unfortunately, my name resolution is going out to the DNS before first checking my ...
2
votes
2answers
1k views

Hostname on intranet

I have a test server that is running Ubuntu Server in a windows network. Networking is configured as follows auto eth0 iface eth0 inet dhcp hostname ca the command cat /etc/hostname returns ca. ...
15
votes
5answers
9k views

Why can't my machine resolve local windows hostnames?

When I ping any local windows hostname from my Ubuntu machine I get "unable to resolve host", but when I ping from a windows machine it works fine. Why would this be? OS: Ubuntu 10.04 Samba & ...
1
vote
3answers
3k views

DNS server configuration is changed automatically

The default DNS server was running too slowly, so I changed the configuration by adding a nameserver. /etc/resolv.conf : nameserver 202.102.192.68 nameserver 210.45.240.99 domain ***edu.cn search ...
2
votes
2answers
2k views

Chromium Error 105 (net::ERR_NAME_NOT_RESOLVED)

Sir, I am using both Chromium and Firefox on Ubuntu 10.10. While Firefox works fine, Chromium gives Error 105 (net::ERR_NAME_NOT_RESOLVED) for all sites except Google searches, i.e. if I type anything ...
8
votes
4answers
1k views

How to reach a host in the same network by hostname?

I have a network which connects a couple of hosts. I would like to be able to reach other hosts from one of them using the hostname. I just discovered the ".local" domain, which is available through ...
8
votes
3answers
34k views

How to edit hosts.deny and hosts.allow?

I want to block some hosts in Ubuntu, so how could I edit hosts.deny file to block some hosts like example.com. And one more thing I have installed dnsmasq in Ubuntu, so can I check the entries of ...
10
votes
5answers
27k views

Best way to set up DNS caching?

In order to speed up DNS lookups, I want to install a DNS cache or proxy. I can see at least three programs I think will do the job: bind9, pdnsd, or dnsmasq. I would like to make sure that if I ...
4
votes
1answer
2k views

Unable to resolve hostnames while using APT, what could be the problem?

Until two days before today my Ubuntu 10.10 Server updated fine. The output of sudo aptitude update → http://codepad.org/tkvXq66j The output of sudo aptitude update after replacing the Ubuntu ...
9
votes
4answers
6k views

Name resolution on home LAN?

Is there an easy way to allow my other computers to resolve my hostname over the network without having them edit their hosts files or their DNS settings? Some of the computers are on Windows.
1
vote
1answer
662 views

How to setup dhcp3-server to advertise the DNS server the server itself has got from DHCP? [closed]

The Ubuntu 10.04 server has eth0 Internet interface configured by means of an ISP's DHCP. At the same time the server has static eth0 LAN interface to which it provides masquerading (NAT) and ...
7
votes
1answer
2k views

Dynamic /etc/resolv.conf file?

I have several Ubuntu servers. Two of them are working as DNS servers. One of my name servers (let's call it DNS1) went down for maintenance. I sill had another DNS server running (DNS2). All other ...
7
votes
3answers
1k views

From Ubuntu, “Back to my Mac”

I have a Mac at home, and run Ubuntu at work. I'd like to be able to connect to my Mac in a similar way to how I had when I worked on a Mac. I have MobileMe so I used Back to My Mac (Apple's version ...
1
vote
5answers
2k views

DNS look ups slow with mts blaze

I am trying to use Mts mblaze on ubuntu 10.10. I am getting downloading speed of more than 100kb/sec but browsing is too slow as its taking too much time for dns look up. Google.com is working ...
2
votes
2answers
228 views

Why can't I load this website except on Windows?

http://www.battleswarmzone-.spruz.com/ fails to load on my system under ubuntu, but loads under windows. I can't ping this subdomain either, but spruz.com loads fine. Worse still, even proxies don't ...
2
votes
3answers
263 views

Is there a command to see who owns an Internet domain?

Is there a command to see who owns a specific Internet domain address? I have tried with whois example.com and I get some information. But for "holder" there is just a "user ID". Is there any way to ...
5
votes
3answers
295 views

Setting up ssh to a url

I have enabled ssh on one of my computer at home, so I can get to it from my main IP. No I have a domain where I forward it to my ip. Lets say this website is called melikecandycoveredfrogs.com ...
8
votes
4answers
7k views

Slow DNS Resolution

After a clean install of 10.10 I'm finding DNS resolution takes quite a long time. Hitting any url takes a good few seconds (10 - 30) before the site is displayed. I'm thinking this is a DNS ...
5
votes
3answers
2k views

Use a different dns server for some specific domains

I want to use a different dns server for some specific domains that are blocked by the default dns server. And i dont wanna change my default dns server for some reason. Is there any way of doing ...
15
votes
2answers
6k views

Switching a server to static IP from DHCP

I am running an Ubuntu 10.04 server installation and I recently had to switch it from DHCP to static ip. I edited /etc/network/interfaces file and switched iface eth0 inet dhcp to iface eth0 inet ...
13
votes
2answers
8k views

What does “.local” do?

I've got several Ubuntu machines on my network at home, but the DNS is provided by a windows server (2K). When I ssh to them from another , if I ssh to them as "machine" I can't connect, but if I ...
3
votes
2answers
792 views

How to configure domain name on school network [closed]

I'm trying to set up my server (running Ubuntu server 8.04) on my university network so that I can access it from anywhere on campus. Last year I had it plugged into my router and set my router's ...
4
votes
0answers
4k views

How can I configure Ubuntu to report its hostname to windows? [duplicate]

Possible Duplicate: Access Ubuntu Server by host name How can I configure Ubuntu server to report its hostname in such a way that typing http://thehostname/ in a web browser will connect to ...
23
votes
9answers
37k views

What is the proper way to change the DNS IP?

I suspect that the name server provided by my ADSL modem/router is buggy. Whenever I browse to a website for the first time in ubuntu, resolving the domain name takes at least 15 seconds. To work ...
72
votes
10answers
79k views

How do I clear the DNS cache?

I just updated the DNS record (ns1, ns2, ns3.myhostingcompany.com) for a site I've got hosted, but I still get the domain registrar parking page. I'd like to see if the problem is Ubuntu's cached DNS ...