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10
votes
7answers
11k views

How can I make NetworkManager ignore my wireless card?

I do not want NetworkManager to list or manipulate my wireless card. Can I hide its interface from NetworkManager somehow? I have tried adding this in /etc/network/interfaces, iface wlan0 inet ...
5
votes
2answers
11k 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 ...
0
votes
2answers
11k views

Ubuntu is booting into terminal instead of GUI Interface [duplicate]

I recently upgraded my computer to Ubuntu 12.04 from 10.04 and it started messing up, as in, freezing up on certain programs and then randomly logging out and going to the log-in screen. I've done ...
33
votes
1answer
13k views

Why is Unity a “slow” desktop environment?

Background First of all, this is not a question about opinions. I am assuming that we are talking about Unity 3D and on a computer with decent graphics configuration. By "desktop environment", I am ...
2
votes
1answer
71 views

Knowing the interface of ubuntu and editing them

Where are the files for the desktop or the interface that appears on the screen stored? And how can we edit them. How are they programmed? What programming language is used to built the interfaces?
6
votes
3answers
1k 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 ...
1
vote
1answer
408 views

Will Unity lets users flick the left upper corner to reveal launcher? [duplicate]

Possible Duplicate: How to open the Unity dash when hitting the top left corner of the screen? Gnome Shell gives uses the option of flicking the left upper corner with the mouse to achieve ...
4
votes
1answer
87k 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 ...
7
votes
1answer
2k 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 ...
0
votes
0answers
42 views

my ubuntu 15 dose not boot on lenovo e440 . unsupported brightness interface

I have lenovo e 440 thinkpad and I'v installed ubuntu 15 on it. every thing worked fine. but know when I power on my laptop ubuntu dose not boot and it says : unsupported brightness interface . what ...
5
votes
1answer
333 views

What Interface Toolkit is being recommended for Ubuntu on Nexus7/Mobile Devices?

I understand this is a may be a very premature question given that the current build is for testing Ubuntu Core, but I have just bought a Nexus7 to join in with this Ubuntu on mobile adventure and ...
4
votes
1answer
3k 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 ...
2
votes
1answer
2k 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
2k views

KVM - Create a virtual machine with 2 bridges interfaces

Can someone please let me know to create a VM using KVM with 2 bridged interfaces. I have a server that has Eth0 and Eth1 configured and connects to 2 separate networks, I'd like to create a VM within ...
1
vote
2answers
3k 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 ...
5
votes
2answers
4k 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 ...
2
votes
0answers
194 views

Ethernet Lights Not On When Cable Connected And Not Working

I have two OS and second OS connects to internet easily, so it's not a hardware problem. The output of lspci is: 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM ...
1
vote
2answers
2k views

Why am I unable to ping the same interface after configuring an IPv6 address

I setup IPv6 in my Ubuntu 12.04 on eth0 using command ifconfig eth0 inet6 add 2001:db8:fedc:cdef::1/64 but when i try to ping eth0 itself using ping6 2001:db8:fedc:cdef::1 it always gives ...
1
vote
1answer
2k views

Compiz crash leaves no usable interface [duplicate]

Possible Duplicate: Unity doesn't load, no Launcher, no Dash appears I've reinstalled Ubuntu probably over 15 times now because of this and another problem(I'll talk about this ...
1
vote
1answer
5k 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
0answers
70 views

VirtualBox Lubuntu 12.04 and Debian Wheezy guests - differences in /etc/network/interfaces

I have 2 guests - one Lubuntu 12.04 LTS and one Debian Wheezy - running on a Debian Wheezy host. I recently started expanding my knowledge on the topic of distributed systems, databases etc. and I ...
0
votes
0answers
106 views

Issue with MAAS and second cluster interface

I have started to use MAAS, which I find great in concept, but with an issue that slows down my current deployment. Everything works fine (both 1.5 and 1.7) except with the second cluster interface. ...
0
votes
0answers
1k views

Second NIC on dual homed server not working

I'm trying to set up a server with two IP addresses on different connections. The first NIC works fine (since I removed the gateway from the second), but I can't ping out or to the second NIC. ...