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[ubuntu] probable DNS propblem (resolv.conf, NetworkManager)

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http://ubuntuforums.org – Hi there, I am new ubuntu user. I have tried to configure wireless usb adapter on my 9.10 desktop. Adapter did worked fine, but I have problems with wired connection now: I can ping my router. Skype works fine (don`t need DNS), internet on virtual machine (winXP) works too. THis is CAT of interfaces: cat /etc/network/interfaces # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth0 iface eth0 inet static address 192.168.1.2 netmask 255.255.255.0 network 192.168.1.0 broadcast 192.168.1.255 gateway 192.168.1.1 # dns-* options are implemented by the resolvconf package, if installed dns-nameservers 192.168.1.1 dns-search localdmn resolf.conf is managed by something named NetworkManager. So I can`t specify DNS there. Can someone help me to configure my Ubuntu to have an access to internet? (HowTos)

xskl's picture
Submitted by xskl on 02/14/2010 – Made popular on 02/14/2010

Stories similar to [ubuntu] probable DNS propblem (resolv.conf, NetworkManager)

Hey all,

I'm having a really odd issue.

I just upgraded my 11.11 server to 12.04, by performing a clean install.

I edited my /etc/network/interfaces file to the following:

Code: # This file describes the network interfaces available on your system # and how to activate them.

Have a 'new' mailserver running postfix on Ubuntu.

We are having some problems configuring the subnets & interfaces.

Basically 2 subnets (.253. & .254.) need to be connected through the 3rd subnet (.252.) where the Router is residing.

# This file describes the network interfaces available on your system # and how to activate them.

Hi !

I have 3 network cards installed in my ubuntu 10.04 server and I want to configure Internet sharing and file sharing on eth1 for wired users and wlan0 for wireless users.

Static ip: eth0: 192.168.1.1 eth1: 10.0.0.15 wlan0: 10.0.0.20

/etc/network/interfaces

# The loopback network interface auto lo iface lo inet loopback

# The primary network interface auto eth0 iface eth0 inet static address 19

I'm wondering if I've found a bug in ifupdown, but I wanted to ask here before reporting a bug:

/etc/network/if-up.d/upstart seems to fail to emit static-network-up if any virtual interfaces are defined.

Virtualbox FTP to host 8 weeks 6 days ago

For testing purposes I installed virtualbox to simulate a linux(64 bit ubuntu) server.

I configured my network settings like this: Adapter 1: NAT Adapter 2: Host-only

with my etc/network/interfaces configured like this:

#loopback network interface auto lo iface lo inet loopback

# primary network interface auto eth0 iface eth0 inet dhcp

#the host-only network interface auto eth1 iface eth1 in

Hi All,

I have 2 NICs in my U9.04 Server box (eth0, eth1). After I added 2 virtual interfaces for each physical interface (eth0:1,eth0:2,eth1:1,eth1:2), the MAC addresses of all the interfaces have changed to that of eth0. Because eth1 was configured to be on my local network, I can't access the box remotely anymore.

hi there, ave installed ubuntu 12 server, with 2 NIC cards, choose eth0 to be primary during installation, for squid3 proxy. Nw internet only works with eth1 not eth0 which is the primary. due to this i cant configure the iptables and lan.

I follow instalation from here wiki.ubuntu.com/ServerTeam/MAAS and I decide to do something like this: [Attached file] And on MaaS server i install dnsmasq and make it DHCP server.

I leave this blank. And in etc/network/interface I have this:

Code: # This file describes the network interfaces available on your system # and how to activate them.