Networking :: Cannot Establish A Wireless Network Connection From The Terminal In Ubuntu 10.10
Jan 27, 2011
I'm trying to connect to a hidden wireless network in ubuntu through the terminal but i am unable to do so.
I first tried using ifconfig,iwconfig and dhclient initially but i am only able to get an ip address without the default gateway and dns server addresses which i normally get through the network manager applet.
Then i tried using cnetworkmanager but failed miserably again i keep getting this error
Code:
Another applet is running: Bus name already exists: org.freedesktop.NetworkManagerUserSettings (pid 1851)
Then i used nmcli available with the network manager package. i was able to establish a connection only with the connections showed in the list. i use a hidden wireless network. i am unable to connect to the hidden wireless network using nmcli without actually creating a connection from the network manager applet.
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Mar 31, 2010
I installed ubuntu Karmic Koala 2 weeks ago, and while I have been able to connect to my school wireless, I have not been able to establish a PPPoE connection (username and password).After my most recent try, following this guide:-karmic.htmlMy wireless connection has gone as well.My network manager applet shows my school network, and shows that it is trying to connect, but it cannot establish a connectionand i apologize in advance for any information that i am lacking. please let me know, and i'll try to get the information.I'm running ubuntu on a separate partition, alongside windows XP home.
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Apr 3, 2011
I am trying to set up, I am having problems understanding what steps I need to take but have done the following on recommendation of help from linux forums but am not getting anywhere with what I have done. PC:
Laptop Dell latitude D610
Ubuntu Gnome 2.26.1
I currently have a wired connection to my laptop but am trying to set up wireless, I have put the antenna on the router and have a wireless network showing called NETGEAR, amongst others, which is my primary router name so i'm trying to connect to that but the actual wireless antenna is on the switching hub. For all intents and purposed assume I am a complete newbie with ubuntu and linux command line stuff, I know basics like pwd, ls and so on but need a good bit of help trying to do this. When I click on this wlan network NETGEAR I get asked for the password, on the bottom of the switching hub is a code for WLAN and I put this in, it then asks for a password for a default keyring, which I do not know. How do I find this out?
But I am still not sure what I am supposed to be doing or looking for to resolve this connection problem, not only am I not a network expert I have no knowledge of linux either and steps to follow to establish a connection.
[Code]....
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Feb 12, 2011
I have had long term access to a networked HP Photosmart printer but now I get the following message:
Unable to open device hp:/net/Photosmart_C5100_series?ip=192.168.0.161.
when trying to access it.The ubuntu desktop is wired to the router as is the printer and another iMac wirelessly can still print to the HP. HPLIP status shows the icon for the printer but with a red x indicating no connection to it.The only recent network change was the removal of another router from our network. (service is DSL via a combo modem/router from service provider which previously was connected to a Dlink router which has now been removed from the chain b/c was redundant to the modem/router)
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May 16, 2011
I'm new in SUSE 11.4. My problem is: I'm using Alfa AWUS036H card. It's recognised and I can establish connection to my network, but cant get to Internet. I can't surf the web cos Firefox tell me that connection is timed out. Now I'm confused why I can't surf the web even if I'm connected. Also, I trayed to instal linux drivers for this card folloving Ubuntu "how to" and it just dont work.
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Feb 13, 2011
I'm using the Network Manager DBUS API for establishing a wireless network connection. For some unknown reason , only the code for establishing a wired network connection is available. I've tried everything i can to get it running. but i'm not able to. here is the code that i'm using right now.
Code:
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May 25, 2011
For strange reasons I was stuck without an Internet connection for about 2 hours. I couldn't establish a connection, even local network only via DHCP. This was on Natty. After 30mins passed, I rebooted to Maverick only to get the same results. With nothing else to do, one hour after, I booted into Windows XP to play Dragon Wars 2. Lo and behold! I had Internet connection. At first I thought it was a technical problem with my ISP. So I rebooted hurriedly to Natty and after several minutes of trying to coax Network Manager for a damn fre*kin* connection it still couldn't.
Back again to XP, I couldn't believe that I wasn't experiencing some kind of on/off signal from my ISP. It wasn't just a coincidence that I could connect on XP and not on Natty. The connection was fine! And I've reason to believe for the past 2 hours, my ISP wasn't the culprit. .. this time it was on my end.Now - on Natty - I manually configured the connection (Instead of DHCP) to be greeted with the familiar Connection Established prompt from notify-OSD.
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Sep 25, 2010
Since a few days ago, I have too much problems to connect.When I try to connect to Internet with Firefox, the following message is printed out (, most of the times):Code:Unable to connect Firefox can't establish a connection to the server at URL...
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Apr 23, 2010
I'm trying to setup PPPoE connection to establish my DSL connection, but I got
Code:
pppoe[3885]: read (asyncReadFromPPP): Session 4479: Input/output error
pppd[4104]: Cannot determine ethernet address for proxy ARP
in my sylog file.
When I do pppoe-start, it connected but I cannot ping into any destination (even to my modem in the same network). DNS servers are explicitly set in pppoe.conf and resolv.conf. Did I miss anything?
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Jan 15, 2010
t "Failed to Connect Firefox can't establish a connection to the server at127.0.0.1:3580." when I try to open a Help File of one of the applications I have.My /etc/hosts file has its entries right:127.0.0.1 hostname.hostdomain hostnameMy firewall is also disabled.
nmap -sT -O localhost
gives me (I have included some):
2401/tcp open cvspserver
[code]....
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Jan 16, 2011
When ever i try to access 202.164.53.122 through ssh i get the following error message:
Couldn't establish connection to proxy: Network is unreachable ssh_exchange_identification: Connection closed by remote host
I have a account at 202.164.53.122.firewall is on.
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Nov 24, 2010
What I have:
Computer: Dell XPS M1210
Modem: SpeedStream 51000 - It's SBCGlobal
I followed the pppoeconf setup instructions.
cracker@Jack:~$ sudo pppoeconf Plugin rp-pppoe.so loaded.
RP-PPPoE plugin version 3.8p compiled against pppd 2.4.5
I then asked it to start the connection.
cracker@Jack:~$ sudo pon dsl-provider
Plugin rp-pppoe.so loaded.
RP-PPPoE plugin version 3.8p compiled against pppd 2.4.5
Checked connection information and got this.
cracker@Jack:~$ ifconfig eth0
eth0 Link encap:Ethernet HWaddr 00:18:8b:dd:6e:cb
inet6 addr: fe80::218:8bff:fedd:6ecb/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
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Jan 24, 2010
Its a case of ".... wireless network connection active but still not internet connection .."I am using WEP - 128 key ... Works when I connect directly using ethernet cable ... but not wireless (pci and wireless router)
ubuadmin@ubucomputer:~$ ifconfig
wlan0 Link encap:Ethernet HWaddr 00:06:25:12:83:3b
inet addr:192.168.1.10 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::206:25ff:fe12:833b/64 Scope:Link[code].....
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Feb 15, 2010
I am trying to establish an ssh connection to my server. I have a regular ssh connection working through the command line, so I know my key works and I have the port forwarding on the router correct.
When I go to Places -> Connect to Server the window comes up properly. The only problem is that the drop down menu only has one option in it for Service Type. It is Custom Location. I have had this set up in the past and there were other options there. I chose the ssh connection and everything was fine. Now it doesn't work.
I have tried to completely uninstall nautilus and reinstall it, but that didn't work. When I did uninstall it, I uninstalled gnome-session as well, and I reinstalled that one too.
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Jul 18, 2011
I'm using Ubuntu for almost two years and everything has worked well till now. One day I have reinstall ubuntu in my computer, but then something went wrong. I couldn't anymore establish my internet connection. I have tried everything but nothing helped. I even reinstall my ubuntu multiple times but there was no efekt. Even when I installed Kubuntu or an older Ubuntu 10.10, there was no internet. I'm also using Windows 7 but there is always a internet connection. I didn't change any hardware on my computer, only a new AMD graphic card. I'm using wired optical Internet 10/10 MB.
[Code].....
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May 3, 2010
Dual boot Vista Basic and Ubuntu 10.04 on low spec PC. I can connect to the wireless when I am next to it. I move to the room where the computer is normally used and I lose connection. I can still see it but it fails to establish a connection. Okay, sounds like it's just too far way but when I re-boot and use Vista, it works fine (1 or 2 bars, but it works). Is this a driver issue? Anything I can do apart from move my wireless router?
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Feb 5, 2011
I am kind of new to linux and have installed the lucid lynx ubuntu distro (10.04) and then "upgraded" it to ubuntu studio but it still says is the lucid lynx. I got a Samsung Q430 laptop with the Atheros AR9285 wireless adapter.I have everything up and running EXCEPT my wireless card. The wireless card DOES work, it does see all the connections available, but when I choose to connect it does not, and keeps asking for the password.
Weird thing is that when I use my samsung galaxy tab as the wireless adapter for its 3G signal, it does seem to work fine (although really slow). I have tried looking for a solution, some say to just install the drivers, but ubuntu does not recognize anything to need a driver except the video card. I have installed linux-backports-modules-wireless-lucid-generic I have also tried the bleeding edge drivers.
After a while of experimenting by myself I came with the following, somewhat rudimentary. I managed to fix the problem by installing the windows wireless driver utility. Here is a tutorial on how to do it. So I just installed it, went to system/administration/windows wireless drivers and just installed it. Downloaded the file from here [URL]. It may not be the best way to fix it, but it does work. Still if you can use ethernet, don't hesitate to do it.
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Aug 3, 2011
My desktop computer, running 11.04 (fresh install) sometimes can't establish a wired Ethernet connection. Sometimes when I boot, it keeps trying to establish, but with no luck. I keep trying to choose "Auto eth0" from the networking menu, but still, it doesn't succeed. If I reboot, it sometimes works. I can't establish a connection about half the times that I boot.
The computer is connected with a cable to a router ("Belkin Wireless Pre-N router"), and the router is connected with a cable to a cable modem.I've been using Ubuntu for a while, and I've had a problem for the past few versions (since around 10.04)? I thought that it might be some old issue that got resolved, so I did a fresh install of 11.04 today, and still have the same behaviorI'm willing to try things next time I can't get a connection, but don't know what.
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Mar 3, 2010
I have my ubuntu box hard wired into my network. It all works fine, until I reboot my ubuntu box. After reboot, it can no longer see the network. I have it set up with a static ip. Not sure that I set it up completely correctly but it works fine...when working.. To fix the problem, I enter terminal: ifup eth0 That fixes all know problems until next reboot. What do I need to do so that it will remember settings and automatically be hooked into the network at power up?
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Apr 22, 2010
I`m trying to establish pppoe connection from Linux clinet to Win server.
I get in ppp.log message:
As I see in this log server gets IP address to client but after connection terminates.
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Aug 22, 2010
I have an issue relating my broadband connection, which I am not able to solve. I hope and wish, that I would find some way out here.
Some introduction: I am using Dell Inspiron (i3 processor) laptop, which I recently bought. I have win 7 preinstalled in it. In win 7, the wired broadban connection (Airtel connection) is working fine and have no issues.
I have been using mobile GPRS(BSNL, Ltd) through bluetooth, and that have been working fine. But today when I tried to connect through landline connection, it didn't workout. But the bluetooth connection is still fine. When I tried to do the connection manually through Network Manager, it is not taking the MAC Address. Till now, after installation, I have not updated my OS.
I surfed the net and tried some commands, whose results I am posting below.
From a post I found out, that I should change my duplex settings (from 100 full to 10 full), but I could not get much. The corresponding commands and output,
I have posted below:
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Feb 18, 2011
I recently installed linux Fedora 14.... how do i have internet connection via my mobile modem...? i conect via usb
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Dec 28, 2010
I wonder how we can to connect a wireless network via terminal if we use a minimal *buntu in command line, without network manager. I've found some old threads in ubuntuforums but I still can't figure out.
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Feb 26, 2010
running 9.10 server, have SSH access through LAN, but I'd like to move box out of my neighbor's (shared internet & the router's in his place) and into my own space. Would have done so already, but I can't get the wireless working. Details below:lshw -C network gives:
Code:
*-network:0 DISABLED
description: Wireless interface
[code]....
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Mar 5, 2010
Hi - I am new to Linux and Ubuntu so I have no idea how to fix or problem solve unfortunately I installed Ubuntu 9.10 from scratch recently on this laptop and all was good. I connected to my WIFI network no problem. It's WPA PSK encrypted, DHCP enabled. I just set it up in Network Manager and it was all fine. Then after a few days I installed a printer and some packages and updates via synaptics. The network connection started dropping after 20 mins or so. Only a reboot would restore it - auto connects at first, runs fine till it drops then never will reconnect. I posted on here, someone gave me some lines to put in a config file. I tried that. I didn't seem to help much, problem remained. Yesterday I checked for updates and there were a whole bunch so I just installed them all. Now I cannot connect at all. I have deleted and recreated the connection in Network Manager but it doesn't help. It tries to establish a connection but never achieves it. I am connecting to the internet now on the same laptop booted into Windows, so all the hardware is fine.
Can anyone who knows about ubuntu networking help? Do I need to do a complete reinstall? Seems a bit much, but it worked when I initially installed the OS. I want to like Ubuntu, but something as basic as connecting to the internet is pretty vital so reluctantly having to start using Windows again...
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Jul 20, 2010
I just got my first laptop, an ASUS eee pc 1201n. It came with Windows 7, but i decided to load the latest version of Ubuntu Netbook Edition on it as well.Today when I tried to access the internet via my library's free wireless service I couldn't get Ubuntu to recognize any wireless connections. I checked with Windows 7 and several networks appeared, including my libraries, but Ubuntu was blank.
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Jul 28, 2011
I installed Jolicloud OS with Windows XP before because Windows XP have too many virus to attachment to Internet so whenever I go on the internet, most of the link take us to random site so I just installed Jolicloud OS however, some reason, I don't like Jolicloud very much because it require to enter the user name and password to link Jolicloud so wasted my time to use it... Its cool but pointless.
So, I just realised Ubuntu also provided free Ubuntu OS for netbook. After I downloaded Ubuntu desktop 11.04 and installed the system (all the datas is now gone and only current OS is Ubuntu)So, once I installed it... The netbook seem running well and no problem however, there is a huge problem is wireless are not found so I can't even use the Internet!.This netbook only got wireless and nothing else to connect like cable (wired).
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Jan 4, 2011
Ubuntu 10.04: no problems to connect to secured wifi networks. However, when trying to establish a connection to an insecure wifi after some time I get the message "disconnected, you are now offline" without ever having been connected. Once out of about 30 times I get a normal connection. My eeePC 1005HA is double boot and I can connect from WinXP without problems. There seems to be a DHCP timeout (see attached output of syslog). I have seen some posts about the same problem but none of them had a solution. I hate it to use WinXP just for the sake of connecting to the spot.
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Jul 9, 2011
Just installed ubuntu 11.04 on an old pc. At first, I was unable use my wireless usb adapter (netgear wpn111), but was successful after installing ndiswrapper-common and ndiswrapper-utils-1.9 manually. cool! then I updated all packages successfully via synaptic package manager and rebooted.now I have lost network connectivity. the os still sees the wireless usb adapter, but I have no connectivity. the indicator applet shows an exclamation point.
How can I troubleshoot this? are there logs? can I fallback to a previous good state?I am new to ubuntu, but experienced in unix. note: my pc only has 1/2 GB memory if that matters. but, hey, it worked once.
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Apr 29, 2010
I just finished upgrading from 9.10 to 10.04 via the Update Manager. My first noticeable problem is that my wireless connection with my home network no longer functions on my IBM Thinkpad T42 laptop.The Network Manager applet shows that it detects my home network (and those of several of my neighbors), but I have not been able to get it to connect to this network. I've been using WPA & WPA2 Personal settings for security, and the Network Manager applet had correctly picked up the password that I had been using under 9.10. I've searched the Ubuntu Forums for "wireless T42" and thought I'd found a solution in a posting that recommended using the "wcid" network manager, but I've been unable to find wcid either via the Synaptic Package Manager or the Ubuntu Software Center.
1. I've noticed that in Lucid Lynx the Network Manager applet's icon in the top panel is no longer the vertical bars symbol that it displayed in
Karmic Koala; instead, the icon is a radiating fan display. In the Network Manager's edit Network Connections window, this fan icon is shown on the Wireless Connection tab, while the vertical bars icon is shown on the Mobile Broadband tab.
2. The Wireless Connection tab shows, on the line in which it shows awareness of my home wireless network (as "Auto 389690") that this connection was "Last Used" "1 month ago". It should be saying something like "today".
FWIW, the Network Manager detected my wired "eth0" connection with no difficulty.Both Jaunty and Karmic picked up my home wireless connection without any problems. Now I have no idea what to try next.
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