Ubuntu Networking :: Cannot Get Wireless Access

Apr 11, 2011

Just installed Ubuntu 10.10 on my Vostro 1520, replacing a non-functional Vista OS.

I'm currently connected via ethernet cable but would really prefer not to have to be.

My Network Manager Applet 0.8.1 when moused over displays "networking disabled". Left-click yields "No network devices are available". Right-clicking shows the option to enable networking but it's blacked out.

lshw -c net yields the following:

Quote:

WARNING: you should run this program as super-user.
*-network
description: Ethernet interface
product: RTL8111/8168B PCI Express Gigabit Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.

[Code].....

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Ubuntu Networking :: Wireless: Can't Associate With Access Point In Kde, Wireless In Gnome Works Fine?

Apr 30, 2010

one of these "WiFi works in Gnome, not in KDE" threads, but I have been all over google and hundreds of threads across different sites and can't figure this one out.As mentioned, wireless is peachy in Gnome, unfortunately I like KDE and I'm more productive using it (when I have internet). Wired network works fine in KDE, and my network card

Code:
03:00.0 Network controller: Intel Corporation Wireless WiFi Link 5100
Subsystem: Intel Corporation Device 1201

[code]....

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May 5, 2010

My university has a central leased line that is split into wired and wireless. While plugged into the wired network i can access all the windows shares. However when on the wireless network, i cant access the wired shares. Windows laptops can however access them, but directly entering the share name ( \share-name)

I am using Ubuntu 10.04.

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Ubuntu Networking :: No Wireless Internet Access?

Sep 17, 2010

I cant connect to the internet with my wireless( or my lan for that matter, but i mainly want to use my wireless). I am going to follow the ticket provided by one of the sticky threads [URL]

1.Machine Brand and Model
Actually i am using a computer i built myself using following components
AMD Phenom II x4 965 CPU
ASRock 890FX Mobo

[Code]....

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Ubuntu Networking :: Why Getting Inconsistent Wireless Access

Jul 18, 2011

Currently I have a HP G62 Laptop and it's been great but recently I've started getting really inconsistent wireless access. When I boot up the computer - it will connect to the wireless and work for awhile but 10-15 minutes later, websites stop loading entirely so I have to restart to get it to reconnect. If I don't restart and disconnect/reconnect... it doesn't do anything, it shows it trying to connect and then a weird "hiccup" happens and it tries again until it finally decides that it cannot connect. I'm running the latest version of Ubuntu I believe.

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Ubuntu Networking :: Setting Up Wireless Access Point?

Jan 13, 2010

I have a Sonicwall access point, which I am able to set up through the interface, but after that I am unable to achieve a connection through my wireless card. I have a good understanding of everything involved, but really have no hands on experience when it comes to networking.

Code:

lspci
00:00.0 Host bridge: Silicon Integrated Systems [SiS] 735 Host (rev 01)
00:01.0 PCI bridge: Silicon Integrated Systems [SiS] Virtual PCI-to-PCI bridge (AGP)

[code]....

Also, I should have mentioned that @ the interface for the Sonicwall it said that "no DNS server had been specified", but I set it up for DHCP, and I thought my ISP is using PPPoE (which I also thought used DHCP).

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Ubuntu Networking :: No Internet Access Via New Wireless Setup?

Feb 10, 2010

Running Ubuntu 9.10 Ive just got my wireless connection working after first having got the wired eth0 connection working.

With the wired connection I could SSH into my server through my firewall/router (via a forward). I can run up VNC, from there firefox, browse the web - all is well.

I have now setup the wireless connection, using a static IP, and I can likewise SSH into my server. I can run up VNC. I can ping my router. I can log onto it via VNC. I can browse to my router. But I cant browse the internet.

But I cant ping google.com. The reason is there is no host lookup service. Nslookup eventually says no servers could be reached.

So specifically, if I ping www.google.com Im told "unknown host". If I do an NSlookup on it I get timeout, no servers could be reached. However if I ping 66.102.11.104 I get responses.

I see no relevant entries in my firewall log.

Unfortunately I cant traceroute because the package isnt found - and of course I cant install it because I have no internet !

Strangely (to me at least !) if I then tunnel through SSH and browse the web, I have no problems. It works ? I know I am browsing through my SSH tunnel because whatsmyip gives the IP of my router at home, not where Ive SSHd in from. I can surf just fine.

why I cant do host lookups any more (and this did work with my wired connection, but whether its related to my change to wireless, or static IPs or both I cant be sure - it certainly appeared to happen at the same time). And, more to the point, what I need to look for/do to rectify it ?

As a bonus Id be interested in why I can SSH and browse via tunnelling but not direct from my server (via VNC). Just for interests sake !

if config reports :

wlan0 Link encap:Ethernet HWaddr 00:90:4b:27:ae:17
inet addr:192.168.1.69 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::290:4bff:fe27:ae17/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

[Code]....

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Ubuntu Networking :: How To Connect To Wireless Access Point

Mar 25, 2010

i've finish install driver for my wireless adapter and the result like this:

Code:
rapc0d@rapc0d-laptop:~$ iwconfig
lo no wireless extensions.
eth0 no wireless extensions.

[Code].....

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Apr 15, 2010

I just installed the wicd network manager and when i was setting it up it said it couldn't find the ip address so when i input the address its saying it can't connect to a wireless access point. I am using wireless that has worked with the default network manager but will not work with this one.

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Apr 16, 2010

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Apr 18, 2010

I have a dual-boot desktop with Windows 7 and Ubuntu.Problem: Linux does not recognize my D-Link DWA-131 Wireless N USB Adapter. So, I can't access my wireless router or the internet.D-Link has a Linux driver for the DWA-131 posted on their website URL...that includes a readme file with long, strange, convoluted instructions on how to install the driver.

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Aug 24, 2010

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Oct 7, 2010

I have wireless G and N access points in my house. The N network is set to allow only N connections. I have a Lenovo laptop with a Intel Wireless N chip in it, and after one of the 10.10 updates it stopped connecting to my N access point. The G access point works just fine.

The logs for the Wireless N access point alway show "Bas Password." I am having the same problem with either NetworkManager or wicd.

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Nov 7, 2010

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So my network is now open, I see it in the NetworkManager list, and as i try to connect, the following happens:The wireless symbol start flashing. From here it keeps flashing, untill it gives up.I use RT2870 drivers, and D-Link DWA-140 USB wireless adapter.

It goes without saying I am a freshman regarding Linux, so if anyone knows what to do, and cares to take the time to tell me, please do tell me in a detailed manner.I do know the basics of the Terminal, and yes, I do know how to copy/paste commands I find linux way more satisfying than Windows so far ... And thanks in advance for giving away your time More info can be given upon request (You might have to explain how to find that specific info)

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Dec 6, 2010

I had been happily using a wireless connection for about two weeks. The connection then went down for a few days. Since it came back up, I can connect to the network, but cannot access the internet. Other users of the network can both connect to the network, and access the internet, though people have experienced the same problem as me the last time the network went down (they could connect to the network but not access the internet). I have tried deleting and re-starting the connection, to no avail. I have looked around the forums, but haven't found anything that can help: do any of you have any suggestions? I am malarial and at the end of tether.It is not a problem with Ipv6, which is set to ignore, as it was in the past when the connection workedI am running Ubuntu 10.10 on an X61 Thinkpad. Below is the output of iwconfig, route -n, lspci, and what happens when I ping other network

Iwconfig:
eth0 Link encap:Ethernet HWaddr 00:1d:72:9e:09:8f
UP BROADCAST MULTICAST MTU:1500 Metric:1

[code]....

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Jan 26, 2010

With Encrypted Wireless Connection Not Able to Access Internet - no pings, internet browsing, etc. However, without encryption I am able to browse the internet. I need encryption ..

I am pasting diagnostics collected by shell procedure collectNWdata.sh..

Code:
collectNWData.sh V0.6.2.0 (Rev: 1.193, Build: 2010/01/20 21:22:30 UTC)
--- Which type of your network connection should be tested?
--- (2) Wireless connection (WLAN)
--- What's the type of networktopology?

[Code].....

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Mar 21, 2010

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Sep 8, 2010

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Ubuntu Networking :: 10.4.1 - Gateway NV59 Laptop (No Wireless Access)

Sep 13, 2010

I am completely new to linux in any flavour. I installed ubuntu 10.4.1 64-bit on my Gateway NV59 laptop as a dual boot with Windows 7. The installation went just fine. When it comes to networking, I can connect to my home network when wired directly, wireless is another matter. I can connect wireless in windows just fine, so the card is physically fine.

My set up is as follows:
Gateway NV59 laptop with Atheros AR928X PCI-E wireless adapter
Linksys WRT54G router using WPA2 Personal and a class C address scheme (192.168.x.x)
(If anyone thinks it would be necessary to post actual hardware specs of the laptop, I can, but don't think it really necessary). I have followed the Wifi Wireless Troubleshooting Guide found at [URL].

When connecting to my network wirelessly, I click the icon in the top right, and choose "Create New Wireless Network". When I input my settings (SSID - not broadcast, and security type and key - WPA), it then states I am connected under the "Wireless Networks" section found in that menu, and shows my network name with a strong signal and a computer/monitor icon. When I double-click the icon, it tells me I am connected and that the connection is active, yet the actual wireless icon on the top bar is grey, not white, and has a red exclamation mark on it. According to the steps in the troubleshooting guide, my wireless card is recognized and installed, with a driver of ath9k.

When I run lsmod, the driver is listed, therefore loaded, and ndiswrapper is NOT listed. I have verified that the driver is communicating with the kernel. When I scan for my router, it is listed under Cell 04, with the correct SSID and hardware address. There do not appear to be multiple drivers loaded, and my wifi is NOT disabled. When I check to see if I'm associated with a router, iwconfig shows my network ssid under wlan0, with the correct hardware address listed under Cell:, yet I cannot ping my router's internal ip address. At this point, I ran ifconfig, and for some reason, my wireless card has been given a class A address of 10.42.43.1.

When I try to assign an ip address via dhcp, DHCPDISCOVER runs for a number of intervals and then tells me "No DHCPOFFERS received", yet my router is using dhcp to assign ips with a pool of 50, more than enough ips for all the hardware in my network. When I run the command "sudo invoke-rc.d networking restart", I get the statement "Ignoring unknown interface wlan0=wlan0" - not sure what that means, but doesn't sound good to me, and retrying to accquire an ip address through dhcp still does not work. If I attempt to assign an ip address within my network range manually, I first run the command "sudo ifconfig wlan0 down", then just out of curiosity to see if the interface is really down.

I run ifconfig again, and wlan0 is no longer listed, but now there is eth0 (my regular ethernet interface) with no ip address. AND another interface is listed - eth0:avahi with the same hardware address as eth0, and an address of 169.254.4.42 - this seems to be the default address the OS will assign when it cannot get one via dhcp, but I have no idea why it has shown up as eth0::avahi... Anyway, after entering the command "sudo ifconfig ip addr 192.168.x.x netmask 255.255.255.0 broadcast 192.168.x.255 up" with the appropriate addresses, I receive the error "addr: Unknown host".

What I have NOT tried, are the following steps:
1. Change my router to an open signal (I would prefer not to do this, but will, if it is absolutely necessary for troubleshooting)
2. Try gtk wifi, or wifi radar
3. Try booting with kernel option pci=noacpi or acpi=off (not entirely sure how to do this just yet)
4. Try wpa supplicant (not sure what this is, just noted it was in the troubleshooting guide)

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