Networking :: Reinstalling Network Manager?
Mar 17, 2010
I am new to linux and using ubuntu as my Os.I installed a package named WICD network manager through ubuntu software center.After that my network manager in ubuntu is missing.I am using broadband conection and i cant connect to it through the WICD.I try to reinstall network manager by installing debian package.But it says "installation failed ,dependancy not satisfactory.How can i reinstall network maneger without network connection.
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Jan 27, 2011
Removed hard drive from our office server to check model number (windows pc). reinstalled same hardrive and now i can't connect to server from the network (MAC). it gives me error code -43.
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Aug 7, 2010
I have an HP DV9005US laptop and its been running fine with Ubuntu for a few years now. The other day the wireless stopped working and now when I do an lspci I see no wireless listed. I know its using the broadcom 43xx but now I am not sure what else I can do. I tried going back in and reinstalling all the broadcom stuff from the package manager. Still nothing works. Amber light on the front of the laptop and I am dead in the water unless I plug into the wired network. Please advise if there is anything else I can do.
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Jul 1, 2010
I recently fixed an annoying problem and I thought it would be nice to share my solution here. The problem was that after a cycle of suspend/resume, Network Manager would only auto-connect to the same network as it was previously connected to. So, for example, if I suspended my laptop at home, and then I went to school and resumed it, it would try to connect to the home network, and then just give up. It would not connect to the school network unless I explicitly told it to.irst, I'll describe the fix. If you're having this problem, you can this. Copy the following:
Code:
#!/bin/sh
case "$1" in
[code]....
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Jan 24, 2011
I am a Windows refugee who discovered Ubuntu as a way to save my files from my virus-ravaged computer. Had no installation discs for Windows, so when I had to wipe my hard drive and start over, I decided to give Ubuntu a try. I've had mixed success, but that's another post...
Right now, the problem is that I installed 10.10 two weeks ago and was able to connect to the Internet with no problems - until yesterday. Suddenly, our wireless network (the only one in the vicinity) does not come up as available in Network Manager. In fact, the entire wireless option disappeared. I know there are many posts and threads on here about this, but weeding through them trying to find an answer is more frustrating than actually dealing with the problem. I know the router works because I can post on this forum from the Macbook. I really like Ubuntu and would like to keep using it, but not being able to connect to the Internet now on top of the other issues I've had is making me doubt I want to continue down this Linux road.
P.S. When I attempted an analysis through System Testing, it said something about there being no proprietary drivers?
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Jun 14, 2010
I have used ubuntu in the past but had a lot of hardware issues with it and unfortunately moved back to windows (( BUT i have tried Ubuntu again and all seems to work great except wifi My wifi connection is sort of working because when i run SUDO IWLIST SCAN it does pull up all available networks. But in the network manager icon on the panel i left click but i see no networks and can't connect to anything. I WOULD LOVE TO keep Ubuntu and use it permanently but I must get wifi working or else this won't be possible.
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Feb 18, 2010
I have the problem with my notebook, that, after I used it at work, the network-manager always tries to autoconnect after boot. He has no cable network and so I get the message "not connected" after a while.how to tell the network-manager, not to autoconnect each time?
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Jul 10, 2010
I recently put Linux on a Thinkpad T40 I got. The wireless card works out of the box--I can see nearby networks. However, I can't connect to mine. network-manager would try (spin spin spin), fail, ask for the password, and then go back to the beginning and repeat indefinitely. This happened to me on a different computer, and on that one all I had to do was use wicd instead of network-manager. So I installed wicd, but it's not working either--it hangs at "Obtaining IP address".
I've found many, many threads with people who had the same problem, but none of their fixed worked for me.
I also tried to get wifi going manually, using this guide, but that didn't work.
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Oct 26, 2010
My wifi connection drops sometimes and, for some reason, Network Manager attempts to connect to my neighbor's network, which requires a password (which I don't know). Is there any way to blacklist a wireless network so that the Network Manager will never attempt to connect to it?
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Mar 2, 2010
I had trouble connecting to a wireless network with openSUSE, so I tried the YAST network manager to see if that fixed it. Not only did it not fix it, but now I cannot connect to any network, wired or wireless. I tried to open the default network manager and it said "Network management disabled". How do I re-enable it?I also have set YAST settings back to their originals with no luck.
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May 3, 2010
I'm try to create a mobile broadband connection using my Huawei E 1550 medem. but in Network manager there is not way to select my modem in the first step ( device selection step ) the drop down menu is locked. what to do ? how to configure my modem with ubuntu ?
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Apr 2, 2011
Whenever I start up my laptop i do not get a wireless connection automatically. I have to rightclick network manager applet and select enable networking. After that everything works fine untill i shutdown and restart my laptop. I would like a way to change this so that my wifi connection is working whithout having to click something first..
OS:Xubuntu 10.04 LTS!
hardware: dell inspiron 6000
nm applet: 0.8.?
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Aug 23, 2010
Neither of my wired network connections are listed in the network manager applet. I know that networking seems to be functional since I can ping local devices on the network. I can't resolve DNS names however. I suppose this is because network manager usually handles DNS? I've posted the outputs of various configurations below.
Code:
/etc/NetworkManager/nm-system-settings.cfg
# This file is installed into /etc/NetworkManager, and is loaded by
# NetworkManager by default. To override, specify: '--config file'
# during NM startup. This can be done by appending to DAEMON_OPTS in
[code]....
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May 10, 2010
Loaded Ubuntu 10.4lucid on TransPort NX Mobile Pentium II, 328MiB,Using Netgear Rangemax wn511b. with Broadcom STA wirless driver. bcm43gx.Boot computer and network manager shos "no network devices available" Run system/administration/hardware drivers and the Broadcom STA driver shows up (only one that shows up) REMOVE and then ACTIVATE and the network manager sees it and connects fine. Shut down computer, restart and no device. I am forced to Remove and Activate each time I start the computer.Is there a way to set this driver to be found and run at computer start.
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Feb 27, 2010
Since the last update the 'wireless network authentication required' box keeps asking me for my wep key. Everything was working fine previously, I've even re-installed ubuntu just in case it was something I did....again everything was working OK until I installed the latest Nvidia drivers and updated ubuntu.I can see my wireless connection when I click on the network manager icon I just wont connect.Wired connection works fine.
05:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR5001 Wireless Network Adapter [168c:001c] (rev 01)
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Jul 24, 2010
I'm using NM applet to connect to the Internet.I just need to know my Internet usage details such as Connection Duration,Data sent and received.
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Sep 22, 2010
I'm trying to change my network settings under Gnome and 9.10.
System->Preferences->Network Connection brings up "Network Connections". Under the "wired" tab, I see "ifupdown (eth1)". The edit button on the right side is grayed out.
Is this where an IP address can be config'ed, or is it somewhere else?v
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Jan 12, 2009
In 8.04 I can use the network manager app to set a static IP.
In 8.1 the network manager doesn't seem to work. I tried many different permutations of settings and got nowhere. Even though I put in IP subnet and gateway it still does the DHCP config.
So I added lines to my /etc/networking/interfaces file like this:
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 192.168.0.100
netmask 255.255.255.0
gateway 192.168.0.1
I then either reboot or do this: sudo /etc/init.d/networking restart
This made the network manager icon in the top panel vanish. An ifconfig showed that those settings are in place but DNS doesn't seem to be working. I can ping other hosts on my network by IP but not www.yahoo.com etc.
I even read the man, that's how desperate I got! (a config like the above seems to work on my 8.04 machine except that the auto eth0 appears at the end of the file.)
I didn't see how to set the DNS server(s), unless I was in the wrong man.
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Mar 25, 2010
recently i did a reinstall of debian lenny with gnome. My laptop has the broadcom wireless chip, and went and got the squeeze broadcom-sta deb packages and installed them, following the debian wiki. Everything seems to be running. iwconfig shows lo, eth0 both with no wireless connections and eth2 that seems to be running.My issue seems to be with the wireless configuration with network-manager. I have used this in the past and like it well enough and didn't have any issues with it. But for some reason, it is not working with this installation. It doesn't show up as a panel addition and when i try to command line call it up (nm-applet), the terminal just sits there doing nothing. I try to call it up as root, no dice - gives me the gtk-warning cannot open display issue that a xhost +localhost doesn't fix. Reinstalling network-manager and associated packages didn't work. So, fine, i tried the network monitor applet. I cannot select eth2, but by typing that into the connection name, i get a signal strength % - another indicator to me that the wireless chip is working - and then i'll click on the configure button, i get the root password prompt and nothing at all. I am currently seeing about setting the network up command line style, but the 'ol command line is not a strong point for me and everything i read sets things up differently. Other gui applications that require root privileges like synaptic work fine.
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May 29, 2009
I'm running Ubuntu 8.10 and I want to setup a VPN connection. Problem is the VPN tab in Network Manager has a lock and won't let me add any new connections. I've installed open-vpn but still have no option to create a new VPN.
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Jul 30, 2011
I am running Ubuntu 9.04 as a partition with windows 7 on a acer aspire 5742, I would like to connect to the internet in Ubuntu, wirelessly, but I am unable to turn my wireless on in Ubuntu, and network manager says "no network connections available". I have the following network adapters:
Atheros AR5B97 Wireless Network Adapter
Broadcom NetLink (TM) Gigabit Ethernet
Microsoft Virtual WiFi Miniport Adapter
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Mar 11, 2009
I updated my FC10 just a day back. The problem is that Netwrok Manager has disappeared. And in spite of re-installing it, it doesn't appear on the panel when i enter 'NetworkManager' as root in the terminal.I have a USB modem right now. Update was made through a broadband connection. Ethernet works perfectly well but this USB modem of mine doesn't work at all. And I have to use USB not Ethernet.
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Jul 7, 2009
I have got DHCP issues with Network Manager. Whenever I try to connect using static IP it works, but when I use use Netowork Manager with DHCP, it seems to try to connect and soon says "Network Disconnected"..I've managed to connect to wlan and eth using network, so there shouldn't be any hardware/driver issue.
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Jul 15, 2010
Okay something i find very odd. When booting the livecd network manager is there, i select my wireless net and connect. Yet i install and it doesn't appear, i click the network bit under the status tab of the computer menu and by default it's using ifup and not network manager...anyone else get that? Or is it supposed to be that way...seems rather unfriendly though.
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Jan 2, 2010
I've installed Karmic after using Jaunty for a year. In Jaunty, my wireless Belkin USB adapter would get it's best signal if I set the rate at 11M...sudo iwconfig wlan0 rate 11MTo avoid having to enter that in terminal after a reboot, I followed the advice of Raven on another thread that suggested using WICD instead of Network Manager, as there were options for scripts in WICD that would allow a startup script...sh -c "/sbin/iwconfig wlan0 rate 11M"This doesn't seem to be working for me in Karmic (my connection constantly drops). Plus, the new icons for WICD are distracting (it changes color from green to yellow when the signal goes from good to low) With Network Manager and setting the rate @ 11M via terminal, everything seems rock solid (I left Last FM on last night and it was still playing when I woke up).
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Jan 4, 2010
I used Ubuntu for the first time yesterday (V.9.04) and imediatly upgrade it to V.9.10. After,the DSL conection failed to conect. After reading many threads here I was able to connect by opening a terminal:
sudo pon dsl-provider
It seems ther's a bug with network-manager, but I'd like to use it again as it easier and NB user-friendly.
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Jan 21, 2010
I am working to connect several Ubuntu computers to a Hughs satelite radio via a Trednet switch. The ISP requires static IP addresses on our machines. Obviously, to do that I need to access the Network Manager.
When I click on the Unlock button the machines wait for a minute or so and return a "could not authenticate" message. It never prompts for a password.
When I loaded the OS on these computers in the states, there were no issues with the install or updates and configuration. Now that they have been shipped to Africa there is something which has happened to all the computers and they will not unlock.
If i reload the OS they do fine..
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Jan 26, 2010
I want to disable network manager but not sure which process to rmmod - I do not want to uninstall it, just disable it sometimes.
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Feb 4, 2010
Configuring a complex network in Ubuntu SERVER is a breeze. Doing so in Ubuntu DESKTOP has been a mess. The obvious culprit is the GUI based network manager. What I want to accomplish: DESKTOP boots up with active networking even before anyone logs in. This would be both wired and wireless. When someone logs in (user or administrator or root), the network manager is NOT started and thus can't mess up the networking.
Multiple IP addresses, including static and calculated, both IPv4 and IPv6. Also some static routes to multiple routers (maybe adding RIP or OSPF in the future). I already made script to do this smoothly in Ubuntu SERVER. Laptop users can still configure their computer for use at home by SOME means, even if command line or a script. It's OK to have to reboot to switch between office and home network.
I'd prefer to leave network manager installed, and just have it not run. But if uninstalling it is the best way to get it out of the way, let me know. So far this is all just Ubuntu, but Kubuntu or Xubuntu might also be preferred by future staff.
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Mar 27, 2010
Im using ubuntu 9.04. The network manager (at least thats what i think its called, the thing managing network connections that usually resides on the panel in the upper right corner where you can check available connections, log in to VPN etc) has completely disappeared, i dont know what i have upgraded, i usually just click and download all upgrades..Ive tried to re-add it to the panel but i cant even find it there.
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