1
vote
0answers
14 views

802.1Q VLAN Tag - is possible to set without editing config file?

Is it possible to make tagged vlans to be shown on network-manager like PPPoE connections? My computer is a laptop so I can't add another Ethernet card and now I must edit config file to ...
0
votes
0answers
8 views

Problem with Network Interface Broadcom 14e4: 4359 [duplicate]

I recently bought a Lenovo and Essential B590 with windows 8 and decided to install Ubuntu13.10 as the primary operating system. Once deleted windows 8 installed Ubuntu and can not see that I ...
0
votes
3answers
55 views

make mistake in setting IP

I have a device that has Linux Ubuntu OS. I use SSH for connecting to it. my Linux version is like below when typed cat /proc/version command: Linux version 3.2.40-g996c4d7-dirty ...
1
vote
1answer
352 views

configure a network interface into promiscuous mode

I am working on ubuntu 12.04 lts server on vmware workstation. I need to configure my network interface to work in promiscuous mode. This is my configuration auto eth1 iface eth1 inet manual up ip ...
1
vote
2answers
42 views

Configure network interface for direct connection

I need to connect two Ubuntu machines directly via ethernet (i.e., no switch or router between them). One of them is running Ubuntu Desktop, so I am happy to use the network manager for that. The ...
0
votes
1answer
43 views

Cannot find eth1 interface [closed]

I installed ubuntu precise on my IBM x3100 server and cannot find eth1 on my interfaces file. Any clue what should I do? Thank you
2
votes
1answer
78 views

ifconfig command only displays 'lo" interface but not others on Ubuntu 12.10

When I type ifconfig -a on my computer, all I see is the lo device, not eth0. Also, when I type ifconfig interface, I get the following: interface: error fetching interface information: Device ...
0
votes
1answer
53 views

Interface for my router in Ubuntu

I would like to know if there is a way in which I can create an interface in my Ubuntu 12.04 LTS Desktop for my router. My Goal: I want to tcpdump the ip address of the router which is 192.168.1.1. ...
1
vote
1answer
44 views

Hidden Interface configuration?

During installation of Ubuntu server 13.04, I configured the primary ethernet interface. This interface is visible in the /etc/network/interfaces file. The system has two additional interfaces which ...
0
votes
0answers
72 views

Network bridging and routing

i have a isp. and i have ubuntu server 12.4 with three nic. here eth0 ip is 10.10.10.15 with the gateway 10.10.10.1, eth1 ip is 10.0.0.20 with the gateway 10.0.0.1 and last eth2 my local lan ip ...
0
votes
1answer
211 views

Set wifi txpower from /etc/network/interfaces

I am trying to configure my wifi to reliably connect at start-up on a headless device. I currently have done this with a simple entry in /etc/network/interfaces, along the lines of auto wlan0 iface ...
0
votes
0answers
641 views

Virtualbox bridged adapter - only one network interface listed in /etc/network/interfaces

I've been trying to configure another version of linux in virtualbox, and I want to connect it to my network using the bridged adapter option by bridging it to my wifi. Its been taking me a while to ...
0
votes
2answers
723 views

wifi scanning results say No scan results

I'm trying to use wifi access in Ubuntu 12.04 and for some reason, I do not want to use network-manager. So, I removed it. What I'm trying to do is to see what kind of APs around me, so I issued the ...
0
votes
0answers
67 views

SLIP interface doesn't send datagrams to upper layers

I'm testing an IPv6 stack implementation for embedded systems. My embedded plaform is connected to an Ubuntu 13.04 machine through RS232 over USB. To test the stack, I'm trying to ping the platform ...
0
votes
0answers
37 views

How To Connect Quassel via ppp Network Interface While Chromium via wlan at Same Time?

I have 2 different network interfaces at same time (wlan and ppp). But the wlan (public wifi hotspot) always blocks IRC port. So I can not use my Quassel when connected in wlan. Then I want: My ...
2
votes
1answer
299 views

why is network interface loaded as “rename3”?

My ubuntu 13.04 machine (ASUS M2n32SLI deluxe mobo) is loading one of two interfaces on the motherboard as "rename3". The other interface is eth0. No cable connected on eth0. Why is this so ? How do ...
0
votes
1answer
145 views

What determines ethernet port name?

I have two computers which are supposed to be identical hardware. However on one machine, the ethernet port shows up as "eth1" whereas on the other it appears as "eth2". I am trying to manage an ...
0
votes
0answers
25 views

unity tray network icon for bridged inteface br0

I am using KVM to run some virtual machines. I had to create a bridged interface br0 in order for the VMs to access the local network. Now my network icon in the upper right is broken. It is looking ...
2
votes
1answer
1k views

Help configure multiple network interfaces

I'm running Ubuntu inside a VM on my work laptop. I have to run my VPN software on my VM Host system and need access to my VPN network from within my Ubuntu VM. I can set my VM's network interface to ...
1
vote
1answer
167 views

Setting up /etc/network/interfaces for sandboxed network with 12.04 LTS

I am trying to set up Ubuntu 12.04 as a router so I can isolate an IP subnet. For the isolated subnet, connections are only allowed via port forwarding. Other than that, neither inbound nor outbound ...
2
votes
0answers
216 views

Server in LAN with two network cards, can't telnet / ping to the second even if it works

I have an issue with an Ubuntu 12.04 LTS (updated) server. For reasons too long to detail, it has got one eth0 interface assigned to 192.168.1.9 and one wlan0 interface assigned to 192.168.1.10. Both ...
0
votes
1answer
533 views

Network Problem : Cannot connect to a ping-able website with Firefox

For some reason I need to configure my computer using static IP settings to let other computers to find it. Here's my settings in /etc/network/interfaces: # This file describes the network interfaces ...
0
votes
0answers
49 views

gnome network interface information

Using gnome 3.8 on ubuntu and have grown to like it. One of the things I miss the most though, is this: In KDE you get all of this information for the interface from the icon in the system tray. ...
1
vote
0answers
112 views

Ubuntu (server): No network interface

I got a VPS from weloveservers.net yesterday, and it cannot ping any IP address, and I cannot use the apt-get and wget commands. After trying to figure out the problem for a while, I found that the ...
1
vote
2answers
1k views

How to control the up order of network interfaces?

I have /etc/network/interfaces as follow. Every time the system boots up, the route is wrong so the gateway is not reachable. I'd have to ifdown br0 && ifup br0 to fix the route table and make ...
3
votes
1answer
32k views

Trying to configure eth0 and eth1 but Failed to bring up eth1

Trying to do below on Ubuntu 12.04. Trying to configure eth0 and eth1, eth0 works fine, but failed to bring eth1. Below is the settings /etc/network/interfaces: auto eth0 eth1 iface eth0 inet ...
0
votes
0answers
313 views

network interface doesn't come up at boot 12.04

I have to disable networkmanager and enable eth0 (and virtual IP for eth0:0) Following this link the eth0 comes up at boot but the eth0:0 does not. which enables the safefail and makes the system ...
1
vote
1answer
136 views

How to use wired and wireless interfaces simultaneously?

When creating any socket, we don't provide a device name (like eth0, or wlan0). On my laptop, I have a wired interface (eth) and a wireless interface (wlan). I want to run one process on each ...
6
votes
2answers
986 views

Network bonding isn't working correctly

Hey guys I'm having trouble setting up Ubuntu Bonding, following this guide. My interfaces file looks like this: auto eth0 iface eth0 inet manual bond-master bond0 auto eth1 iface eth1 inet ...
3
votes
1answer
883 views

How to rename an Ethernet interface?

As my built-in NIC was not supported by Ubuntu out-of-the-box I was forced to use a USB NIC for temporary installation-time Internet connection. And the USB NIC has taken the eth0 name making the ...
4
votes
2answers
2k views

How do I find what kernel module is behind a network interface?

How do I find out what kernel module is used for any given network interface?
6
votes
1answer
933 views

How is the loopback device implemented?

The loopback networking interface is a virtual network device implemented entirely in software. But how is this implementation actually accomplished and how do you manipulate it? As far as ...
1
vote
2answers
702 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? ...
1
vote
1answer
444 views

Force real network usage - disable loopback interface for applications

I am trying to test some network properties with a (partially self written) tool chain. As I would like to use one device with two WLAN adapters / interfaces, I have to prevent communication over the ...
0
votes
1answer
201 views

Problems compiling Wireshark from Source (SVN) during .calling /configure

Today I've tried to compile Wireshark locally (no make install) from SVN as I've done before. When I call .configure I receive an error, that the file gtk/doxygen.cfg.in was not available: ...
0
votes
1answer
657 views

aufs Root File System On Usb Flash

I configured aufs as a Root File System On Usb Flash Drive by this article. So the first brunch is real root FS and it is read-only. The second brunch FS is in memory and it is read-write capable. ...
2
votes
2answers
2k views

Wireshark problem. Can't select default interface

I downloaded Wireshark from the Ubuntu 11.10 software center and when I start it and want to select default interface for capture in the list of interfaces are blank. I can't select default interface. ...
0
votes
1answer
694 views

Restarting the IPv6 network stack without restarting the IPv4 network stack?

In Ubuntu I use SSH to log in to my webserver. The IPv4 side of things is configured and already works, I can log in from other machines. But I'd like to configure the IPv6 side of things while I'm ...
2
votes
1answer
897 views

how can i turn network interface (localhost) on?

localhost is off on my machine. it's described in my /etc/network/interfaces: auto lo iface lo inet loopback auto eth1 iface eth1 inet dhcp but when i run route route -n" with wireless off I ...
2
votes
1answer
606 views

Using two ethernet connections (Internet enabled) simultaneously

I have searched and read over the Internet and also on askubuntu. I am using Ubuntu 11.04 and my question or the thing that I want to achieve is efficient use of both the connections and thus ...
4
votes
1answer
2k views

How do I setup DHCP-Server interfaces so they are mapped/bridged to each other?

I have recently setup a DHCP-Server on an Ubuntu 10.04 server machine. The machine has two interfaces (eth0, eth1). I have the DHCP server setup correctly because computers connecting to the network ...
0
votes
1answer
598 views

Disabled Ethernet NIC Keeps Enabling Itself

My new Ubuntu 11.04 server is having issues with the two Ethernet ports on the motherboard. I only need one port, eth1 so I am trying to disable eth2. I executed sudo ifconfig eth2 down which only ...
1
vote
1answer
3k views

How do I make the script to run automatically when tun0 interface up/down events?

I use VPN client to connect to my corporate servers. It creates tun0 interface after starting the client. I've written script which install specific routes point to tun0 interface and rest to use ...
0
votes
1answer
2k views

How do I share my connection with ICS and an Xbox 360?

Update Ok so after some playing around I found a GUI way to setup Internet Connection Sharing in ubuntu 11.04(Natty), Remembering that I am using gnome 3. We have the network Manager Applet up top ...
6
votes
1answer
1k views

Bridge interfaces and KVM

I have an Ubuntu server with and a VM using KVM. The plan is that the server and the VM have a static IP address. I tried to change /etc/network/interfaces combining some of the examples available to ...