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Ubuntu Networking :: How To Setup Lan And Wifi

setting up the lan and wifi settings

View 3 Replies (Posted: January 29th, 2011)

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I just installed ubuntu server 10.04. I want to connect to my wireless router( My router normally has wpa but I turned off encryption until I can get the server working. my router has MAC flitering which it has my servers MAC address and the dhcp server on my router is configured to assigned an ip address of to my server.

On the server I do see wlan0 when I do sudo ifconfig -a. HOw do I setup the rest? I 'm very new with command line and linux so please bear with me.

Posted: September 18th, 2010

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Posted: 12-21-2008, 01:21 PM

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Ubuntu Networking :: WiFi Setup (STA Only Works From Disc In Demo)
I have installed and un-installed 3 different versions of Ubuntu. My fourth is a re-install of v9.10. During all these installs I have had difficulty getting my wifi to work. During my last install I left the ISO in the drive by mistake so when the system rebooted it loaded from the disc in demo.... This was interesting because in the demo the program manager showed 2 drives for wireless, 1 Broadcom STA and 2 Broadcom b43xx. I tried loading the STA and it worked! (sorry it could have been the b43xx, for the time being it's insignificant) Upon my excitement I restarted the computer and removed the disk went to my Ubuntu set up and ...what the Broadcom choices weren't there Why?

Now I am running Win 7 Home 32bit on my main drive and have Ubuntu loaded on its own drive. I have a Netgear WN311b wireless N card installed. Again my confusion is why it worked in demo (off the cd) but doesn't from full install. I read on the web to try inserting my supplied disc from Netgear and then search program manager. It now showed the two for-mentioned Broadcom programs, but this time wouldn't install them. On the b43 I got an error message and on the STA it searched extracting and loading this continued for a 1/2 hour with no progression. I couldn't close the PM or the extracting and loading box, so I had to restart the computer.

Posted: March 30th, 2010

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How do I setup Wifi on my labtop. When I run linux live cd on my desktop which is connected to my router, linux's pickup ethernet connection and connects fine to the internet. but on my labtop which is wireless to my router linux will not see my wireless connection. How do I configure linux to connect through wifi.

Posted: 07-09-2010, 06:27 PM

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Ubuntu Networking :: TP-Link Wifi USB Adapter: Cannot Setup It In Master Mode To Use PC As A Router
I got two issues with my wifi usb adapter:

1) it cannot see any networks around
2) i cannot setup it in master mode to use my PC as a router

As far as i can see, the device is recognized and the correct driver (rt73usb) is loaded. I was able to connect to a laptop somehow (the laptop could see other networks and the adapter's PC-to-PC network). I'd like to make it work as a router, i.e. share my internet connection (eth0) via wlan0. Here is what i have:

Ubuntu 10.04
Linux 2.6.32-22-generic #36-Ubuntu SMP Thu Jun 3 19:31:57 UTC 2010 x86_64 GNU/Linux
TP-Link TL-WN321G wifi usb adapter as seen as
Bus 001 Device 006: ID 148f:2573 Ralink Technology, Corp. RT2501USB Wireless Adapter
$ iwconfig wlan0
wlan0 IEEE 802.11bg ESSID:off/any

Posted: June 10th, 2010

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I've had 8.04 for almost a year & a half now, but the one thing that seems to confuse me after getting the rest of ubuntu is how to get wifi working. Before you say "read XXX FAQ, wiki, page", etc, I've read so many and despite understanding every normal thing about ubuntu, and all the customization I have, I haven't seen a single, up-to-date guide for making sense of wifi.

Here's what I know:

My wireless card is Network controller: Intel Corporation PRO/Wireless 2915ABG Network Connection (rev 05), supported in linux only by using a windows driver, ipw2200, which I do have running and installed somehow.

shogun@Valhalla:~$ sudo lsmod | grep ipw2200
[sudo] password for shogun:
ipw2200 146248 0
ieee80211 35528 1 ipw2200

I also realized I needed ndiswrapper, so I installed that. Beyond this, I'll just admit it- I'm very confused. I have always had a working connection over ethernet cable plugged in, but I really need wireless lately, and found an old Netgear WGR614v7 G band wireless rounter in my basement, hooked it up, and have a wired connection from it right now.

So how do I set-up/get my wireless working with all this thus far? How do I set up the router's network through Ubuntu as well, so I can create a named network to connect to? I'm reading every guide I can, and am just coming up more confused.

Posted: February 24th, 2010

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I am dual booting with windows xp on a dell computer I recently acquired. I am running Ubuntu 10.10. The computer didn't have a wireless connection so I installed a wireless pci adapter from a company called ZONET. I installed it perfectly on windows xp, however, I cannot install the driver and the "Ralink Wireless LAN" on Ubuntu. I inserted the cd, and opened the setup.exe file with Wine Windows Program Loader (I have installed Wine 1.3 by following the instructions on and clicking on the link that says "click here".

I am currently temporarily connected to the internet by borrowing my main computers ethernet cable). I followed the instructions on the InstallShield Wizard only to have two windows pop up saying there is an error (see attached image).

Posted: December 29th, 2010

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00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07)
00:01.0 PCI bridge: Intel Corporation Mobile 4 Series Chipset PCI Express Graphics Port


Posted: 08-29-2009, 10:15 AM

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lawrence@lawrence-laptop:~$ lspci
00:00.0 Host bridge: Intel Corporation X58 I/O Hub to ESI Port (rev 13)
00:01.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI Express Root Port 1 (rev 13)


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eth0 Link encap:Ethernet HWaddr 00:0b:db:e0:1c:5b
RX packets:0 errors:0 dropped:0 overruns:0 frame:0


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What happens is that suddenly the WiFi LED on the computer stops blinking, the WiFi connection gets disrupted, and the device is not recognized anymore when checking ifconfig. Only cold restarting the machine helps then... it will work for a while (between 1 and 20 minutes) and then crash again.

On Windows 7 the card works perfectly fine. With Ubuntu 11.04 in Live CD mode I have the same effects (connection crashes after a while). Also tried booting an older kernel, no success.

My exact hardware:


I notived the following problems in /var/log/kern.log


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