Tagged Questions

0
votes
0answers
19 views

No DNS in Ubuntu 12.04

I've got a strange behaviour in Ubuntu 12.04: All the installed services (SSH, PostgreSQL, Apache) respond over network, I am able to surf in Firefox using IP addresses, but there is no DNS name ...
0
votes
0answers
35 views

configure DNS on Ubuntu 12.10

I have some problems with DNS, only from Ubuntu 12.10, Windows on same network works OK (so I can query both 8.8.8.8 and 192.168.1.1 directly with or without +tcp flag). I have my machines pointed to ...
0
votes
1answer
22 views

resolvconf not properly ordering resolv.conf

I need to re-order /etc/resolv.conf to list the nameserver provided by eth1 dhcp before the nameserver provided by eth0 dhcp on a 12.04 server (no NetworkManager). I edited ...
0
votes
0answers
17 views

Trying to add linux machine to windows 03 domain. Help?

I installed unbuntu ver 12.04 and I'm trying to add the machine to our Windows 03 domain. Whenever I try I get an error: Error: Lsass Error [code 0x00000043] Network name not found.. Failure to ...
1
vote
1answer
150 views

Cannot resolve dns on 12.10 install

I am very new to networking on Ubuntu so I have been struggling with this issue for several hours now. I am running a fresh install of Ubuntu 12.10 and I am unable to resolve DNS when using my ...
0
votes
0answers
12 views

Automatic ifup Virtual Netowrk Interface Assigned to a Network Namespace

I've set up a configuration that uses the solution mentioned in this post: link and I'm able to ping my physical local network from my vpn namespace and vice-versa. For reference my config looks ...
4
votes
1answer
63 views

Problem with internet. Certain website do not load at all. 12.04

My internet was working fine till tomorrow. Suddenly I am not able to open www.github.com, www.deviantart.com and additionally my router configuration page 192.168.2.1 . First, I thought that it would ...
0
votes
0answers
59 views

Why is network connection not working on Virtualbox guest?

The /etc/network/interfaces file # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network ...
0
votes
1answer
50 views

How website name get resolved?

I'm using Internet via a usb datacard on Ubuntu 12.04. I never configure domain name server. My question is how website name get resolved? Is there a inbuilt domain name server in system? if not ...
0
votes
1answer
35 views

Conditional Host File

I'm working locally on a project and want to have some requests to a domain resolve to localhost and others just go where they normally would. I want to essentially do this in my hosts file: ...
0
votes
0answers
72 views

Using Bind in Ubuntu 12.10

I tried to configure bind in Ubuntu 12.10 32 bit , but when I am using dig I am not getting the correct response. I should have got the IP of my server instead of getting it of remote site with that ...
13
votes
2answers
195 views

Identify “rogue” internet accessing Applications

At the moment I have an application/service/widget/plugin/cronjob whatever, accessing the internet on a regular basis. I could go into the details of my specific issue but I'd rather have an answer ...
0
votes
3answers
93 views

Server at home with static public IP

Hi I have a problem with Ubuntu 12.04 Server. I have checked the IFConfig it seems all the entries are correct except the nameservers do not seem to get resolved. As such when I run ...
2
votes
1answer
124 views

Access Windows machines from Ubuntu on local network by hostname

[I've searched a LOT for a solution to this issue, but if someone wants to point me to a related question and/or answer, please do!] I have a local network over a broadband router with 3 Windows 7 ...
2
votes
1answer
151 views

what does mean dns-seach option in /etc/network/interfaces

can anybody describe me about dns-search directive in /etc/network/interfaces file: iface eth0 inet static address 192.168.3.3 netmask 255.255.255.0 gateway 192.168.3.1 dns-search ...
4
votes
1answer
71 views

Why is this single-word address being resolved? [closed]

I'm running Ubuntu 12.04. On my work network, there's a single-word address (let's call it foobar) that is responding to pings and HTTP requests, only from my machine. The address is not a TLD, just a ...
1
vote
1answer
165 views

DNS suddenly broken in Ubuntu VirtualBox

My Ubuntu 12.04 VirtualBox (Windows 7 host) suddenly stopped connecting to remote servers unless I refer to them by their IP addresses. I'm looking for a way to fix this problem (or at least to ...
4
votes
1answer
79 views

DNS lookup ignores AAAA (IPv6) in favor of A (IPv4)

When I attempt resolve a name that is listed with both record types the OS returns the A record. A trace shows that the AAAA record is returned first followed by A but the application (Apache based ...
0
votes
1answer
121 views

DNS Address For All Future Connections Ubuntu 12.10

I'm using Ubuntu 12.10 and usually use OpenDNS or DynDNS for each of my network connections. However it can be a inconvenient having to set the DNS address for each connection individually... Is ...
1
vote
1answer
74 views

How to diagnose a selective DNS resolution failure?

I just obtained an ASUS RT-N66U router, which I've flashed with the Tomato firmware. The router is for the most part working fine, but I'm having trouble connecting to Facebook in a consistent way. ...
1
vote
0answers
145 views

Ubuntu Server 12.04: No internet through switch, help

I've been using Ubuntu Server 12.04, upgrading to 12.10 once I figure this out, on my IBM xSeries 335 (name: Server1; ip: 10.0.0.50) as a web server. I recently got a computer from a family friend ...
0
votes
0answers
40 views

How to view DNS address

I have an issue where I cannot connect to my school website. I can connect to every other website on the internet except my school website. I can connect to it at home but when I login to my school ...
0
votes
1answer
118 views

Two different DNS on router and pc?

My default DNS on my router is set to DynDNS. If I set the router as default DNS on my pc, it would use DynDNS as the DNS. Then what if I set Google Public DNS as DNS on my pc, and DynDNS on my ...
1
vote
1answer
41 views

Per network settings for a laptop

I often roam in different networks. Some of those need special settings for DNS or block mails to external mailservers and only accept internal smarthosts. I'm looking for some kind of program where I ...
0
votes
0answers
76 views

Can Ubuntu PC be router for small business?

Can I use PC with Ubuntu Linux to work as router for small company? I'm not an expert in networking so I'm interested what would be pros and cons with such setup, comparing to Cisco Small Business ...
0
votes
1answer
71 views

DNS update for domain is not visible in my Ubuntu PC

4 days ago i changed my domain's nameservers. And after 2 days domain migrated to new hosting. But my computer(Ubuntu 12.04) is still opening old hosting when enter to my site. It is very strange. I ...
2
votes
1answer
303 views

System will not resolve domain.local websites

I have done a brand new installation of the Ubuntu server (v12.10) with bind configured to have a dns zone of gdos.local and apache configured for said domain. With a brand new installation of Ubuntu ...
0
votes
2answers
196 views

How to use a specific DNS on wifi connection?

I read a few articles which stated that my isp(BSNL) has weak DNS servers and using a different faster DNS like opendns or google will increase the speed. I use a wifi connection through the router. ...
1
vote
1answer
947 views

Setup DNS server for local network (with DHCP) for use with apache

I've set up an ubuntu-server to host a website. But at first i want to configure it to work in my local network. Actually it serves as DHCP server for the whole network with static ip 192.168.170.250 ...
1
vote
2answers
2k views

ubuntu 12.10 Lenovo b570e, WiFi connected but not working

I'm running ubuntu 12.10 liveUSB on a lenovo b570e. It has an atheros wifi card that connects with my home network but I can't browse AT ALL. My network is multiple clients --> router --> isp ...
1
vote
0answers
35 views

Fail to access Network options

I am trying to use OpenDNS for my newly installed Ubuntu 12.10... However I cannot insert custom DNS addresses... I am accessing Network, then at my wireless connection, no matter how many times I ...
6
votes
3answers
4k views

DNS resolution fails after 12.10 upgrade

After my upgrade to 12.10, DNS resolution seems to fail for both local and external addresses. I can successfully ping local and external IP addresses (google.com, at least), but pinging DNS names ...
1
vote
0answers
147 views

Internet connectivity issues

I'm on 12.04, I upgraded a month ago from Windows 7 on my Sony VAIO. Everything is great except after the upgrade, I encountered Internet connectivity issues. When browsing the web or loading ...
1
vote
1answer
380 views

Network manager Internet sharing and dnsmasq conflict

I am sharing internet from eth1 to eth2. I do this by editing the eth2 properties and setting method to Shared to other computers. I also use dnsmasq for dns caching. Now if I enable Internet ...
5
votes
3answers
1k views

Virtualbox on Ubuntu Host: Access guests by hostname

I have several VirtualBox appliances (Windows, Linux) each of them configured with two network adapters: NAT for accessing the internet host-only for hosts <> hosts and hosts <> guest ...
0
votes
1answer
153 views

Ubuntu Server Takes time to resolve website name but not IP address in wget command

I have ubuntu server 12.04 LTS . When i fetch something over the internet using wget command. It easily starts when i give address like wget 100.100.100.100/index.html means ip address. it immediately ...
3
votes
0answers
45 views

How do I flush DNS settings in ubuntu, like we do in Windows? [duplicate]

Possible Duplicate: How do I clear the DNS cache? I am having some issues with my Internet. The ISP wants me to reset/flush the DNS settings. So my question is how do I flush the DNS ...
1
vote
1answer
317 views

Bug fix for the ddclient “Invalid IP” error not working

I'm running Ubuntu Server 12.04 on a mid-2009 MacBook Pro and using ddclient to update my IP address at www.no-ip.com. After installing ddclient according to the instructions here I had one successful ...
1
vote
0answers
518 views

Ubuntu 12.04 desktop ISO CD boot under VirtualBox, no network

I boot the Ubuntu 12.04 desktop ISO CD with VirtualBox, but get no DNS. I.e., eth0 has its IP address, but DNS resolving always fails. I tried VirtualBox bridged networking, then NAT, but for both ...
2
votes
1answer
65 views

Use same dns server for all (future) connections

I'm wondering if it is possible to specify, that all connections (even future, like when using wifi at some other place (=different SSID)) will be using pre-defined DNS server When I have some ...
1
vote
2answers
614 views

How to configue a DNS server statically?

I am setting up an Ubuntu (12.04) Server with a single statically-configured network interface. Every time I reboot /etc/resolv.conf seems to get reset to empty. Where can I put my DNS server address? ...
2
votes
1answer
208 views

DNS issues with 12.04, apt-get, and openssh

On a fresh Ubuntu 12.04 installation, we noticed that we were having issues with openssh as it was constantly breaking the connection randomly after a period of time. After doing some debugging, we ...
1
vote
1answer
1k views

ubuntu 12.04 server doesn't resolve local domain name

After apt-get upgrade this morning, my Ubuntu 12.04 web server does no longer resolve a domain name hosted on it. I also received the error message: "resolvconf: Error: /etc/resolv.conf isn't a ...
1
vote
0answers
258 views

DNS not working over DSL

I connect to Internet via a PPPOE connection that i configured manually as below: /etc/ppp/peers/hamyar #hamyar: noipdefault defaultroute replacedefaultroute hide-password noauth persist plugin ...
0
votes
2answers
410 views

Why doesn't this custom static IP network configuration work?

I installed Ubuntu server 12.04. I configured my network like this: auto eth0 iface eth0 inet static address 121.127.36.164 netmask 255.255.255.0 network 121.127.36.0 broadcast 121.127.36.255 gateway ...
1
vote
1answer
458 views

How to address ssh-server with a domain name 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
vote
1answer
203 views

wired resolves dns but wireless dont

My wireless won't resolve dns but my wired connection does. I've tried: $ sudo /etc/init.d/networking restart and: $ sudo dhclient -r $ sudo dhclient as I saw at that question. But it didn't ...
2
votes
2answers
5k views

How to use host names rather than ip addresses on home network?

I've a small home network up and running and managed to set up ssh. Can anyone tell me what I need to do to refer to one computer on the network from another by host name rather than IP address (which ...
0
votes
2answers
528 views

why do none of my local servers resolve

When I try to ping or browse using a web browser certain domains names that we host on our local network, it does not work. Yet dig, nslookup correctly return their details. What do I need to do to ...
2
votes
1answer
10k views

Can not access Internet (DNS names do not resolve) after update today

I have been using Precise for a few weeks now for work with no problem. Today, I am not able to access any website using either wired or wireless connections. I installed the updates today which ...

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