Ubuntu Networking :: Correct Key Rejected - Wireless Net Disappears
Mar 3, 2010
Out of the blue a dialog popped up requesting that I enter the key for my home wireless network. This is of course unexpected since the correct key is defined for that network in my network config. I entered the correct key but it was rejected. I then clicked on the network manager icon in the task bar. Contrary to normal behavior this did not show either my home network or any of the other wireless networks from my neighbors. The only resolution I could find to restore the wireless network was restarting my system. This seems excessive.
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Feb 18, 2011
I have 2 laptops running Ubuntu 10.04. One connects to my Linksys wireless modem fine while the other does not. The one that does not connect, will connect fine within the instances of Windows XP SP3 and Puppy Linux 5.1 that run on the same laptop. Ubuntu wireless worked fine with version 8.04 on this laptop before upgrading to 10.04.
When trying to connect within 10.04, Ubuntu pops up the dialog box to enter the authentication key. It rejects the correct key, and after a moment, pops up the same dialog box asking for the key again. I'm using WEP 40/128-bit encryption and the key I enter in the dialog box is the correct 26-character key.
The laptop is a Toshiba Satellite Pro 6000 (1g ram/40g disk). Here are some vital outputs root@user-laptop:/home/bsmis# iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
irda0 no wireless extensions.
eth1 IEEE 802.11b ESSID:"kr_wireless"
Mode:Managed Frequency:2.457 GHz Access Point: None
Bit Rate:11 Mb/s Sensitivity:1/0
[Code]...
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Jan 24, 2010
the wireless connection works very well when i start using. but once, after my sister took hold of my computer for a moment. the wireless don't seem to work anymore. i asked her what she did but she says nothing. she may ot may not be lying but that doesn't matters. what matters is i cant reinstall back the wireless network.when i first formatted my notebook to ubuntu 8.0, i followed an online instruction to enable wifi to work. it works perfectly well. so when the problems occured, i tried using the same instruction but it doesn't work anymore.
the wireless network does not appears under connection anymore.
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Apr 19, 2010
i have installed ndiswrapper, and the correct drivers for the wireless card.
Code:
ndiswrapper -l:
bcmwl5a : driver installed
device (14E4:4320) present
I seemed to be having a conflict with the generic drivers which loaded for my wifi device 'b43-pci-bridge' and the ndiswrapper drivers i installed.
So i ran the command 'rmmod ssb' and now my broadcomm wireless device is "unclaimed"
Code:
lshw -C Network:
*-network:0 UNCLAIMED
description: Network controller
product: BCM4306 802.11g Wireless LAN Controller
vendor: Broadcomm Corp.
[Code]...
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Feb 13, 2010
I have just installed Ubuntu 9.10 netbook remix for my new laptop. I've tried at great length to install the correct drivers to get my wireless up and running. I'm currently trying to install the Broadcom driver for my 802.11g wireless card. I have downloaded the headers and tools for ubuntu and am proceeding with the instructions given on [URL].
But when I get to these steps I come unstuck
# mkdir hybrid_wl
# cd hybrid_wl
# tar xzf <path>/hybrid-portsrc.tar
I can make the directory and open it but when it comes to the third step I get a message saying that there is no such file or directory.
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May 4, 2010
Excited at seeing the new features in 10.04, I clicked the Upgrade button tonight. I am now really regretting it! Problems:
1. My screen resolution should be 1280x1024 but the System>Preferences>Monitors control panel only shows 1024x768.
I think I have onboard Realtek graphics. Do I need to install proprietary drivers? Everything worked fine out of the box with 9.10!
2. The sound isn't working. Again I think I have onboard Realtek sound, and again it used to work fine without any intervention from me...
3. Although on first startup wireless networking was working fine, I restarted to see if that would solve the display issue, and wireless networking stopped working too!
I have an RaLink wireless card.
When I used Grub to choose 2.6.31.20, I got some error messages at startup (e.g. mount couldn't mount /dev), but then it did eventually start up and the sound and wireless networking are working again. But the resolution is still not fixed. It is now offering 1152x864, which it didn't previously, but no 1280x1024 (my screen's native resolution).
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Sep 22, 2010
I am having trouble with my local ssh connection. In my hosts.deny I have ALL, and in my hosts.allow I have my computer. I cannot connect unless I comment out the ALL in hosts.deny. Why is it not allowing a connection?
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May 15, 2010
i installed ubuntu on my friends laptop but when he tries to connect to his network and enters his wep key the box disappears for a few second and comes back again...The card is Atheros on a Toshiba laptop and it is detected , it finds the networks but the wep key is rejected every time without a error
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Apr 10, 2009
Each time after boot, I have to wait for proximately 2 minutes before Firefox starts showing any web pages. I believe the delay is caused by the following issue: Code: Apr 7 21:03:18 linux-kr6c nm-dispatcher.action: cript '/etc/NetworkManager/dispatcher.d/netcontrol_global_hooks' exited with error status 1.Apr 7 21:03:18 linux-kr6c nm-dispatcher.action: cript '/etc/NetworkManager/dispatcher.d/nfs' exited with error status 2.
Apr 7 21:03:18 linux-kr6c dbus-daemon: Rejected send message, 14 matched rules; type="method_return", sender=":1.50" (uid=0 pid=3132 comm="/usr/lib/NetworkManager/nm-dispatcher.action ") interface="(unset)" member="(unset)" error name="(unset)" requested_reply=0 destination=":1.5" (uid=0 pid=2097 comm="/usr/sbin/NetworkManager "))
Apr 7 21:05:39 linux-kr6c ntpd[3500]: ntpd 4.2.4p4@1.1520-o Mon Jan 19 14:44:51 UTC 2009 (1)Apr 7 21:05:39 linux-kr6c ntpd[3501]: precision = 1.000 usec I have no idea what my machine is doing, but it seems as nothing is happening between 21:03:18 and 21:05:39.
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Jul 3, 2011
I'm running ubuntu 11.04, and using firestarter for my firewall. Logging events, all good, but I'd like to be able to (tcp)dump the packets being dropped/rejected. Wireshark is great after the event, but can I hook iptables and tcpdump together somehow so the system logs the entire packet rather than the summary when it says "no"? I've had a quick look/google, but can't find anything. I'm sure somebody must have wanted to do this before - any pointers people?
PS - will keep looking and post the answer if I find one....
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Nov 24, 2010
I have a Samsung ML-2525w, and have loaded the unified driver several times previously but long enough ago that I can't remember the correct command to install it. This is what I remember, in terminal viewer:
sudo ?(enter login)(then drag and drop the autorun file into the terminal viewer to install) I am going nuts trying to find the instructions again.
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May 23, 2010
I'm all new to Opensuse, but I've used Ubuntu before, I am having some issues with my wireless on Opensuse, the laptop is connected and the WEP key is correct and in the system information it says I'm online! However the internet does not work, I know the internet is online as my main Desktop Pc (Running Windows 7 64bit) which I'm typing this on, is connected to the internet!
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May 24, 2011
After having installed ubuntu 11.04 my laptop's wireless device (realtek rtl8192se on a packard bell laptop) disappears on ubuntu 11.04. Before, with ubuntu 10.10, I had no problems. Now, when I start ubuntu 11.04, sometimes the wireless card work, but most of times it doesn't: the wireless led is off, and with the lspci command I got no line about wireless card. If I restart the laptop and I start win7, the wireless card doesn't work there too! only after many reboots and/or shutdowns wireless card appears again.
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Jul 8, 2009
The problem in a sentence: a F10 machine seems to disappear from the network after running for a couple of days, however, the network is accessible from the machine itself. My setup: A router with two machines connected via ethernet. Both are essentially desktop computers, one is a standard machine that is booted every day (let's call it Desktop) and the other runs continuously, having only a keyboard attached (let's call it Server).
After running for a few days, Server becomes inaccessible from Desktop. It doesn't respond to ping, ssh fails etc. Even the router shows that Server is disconnected from the network. There is a ping running in Server that pings a machine in the internet with an interval of 60 seconds, the output is directed to a file. The file shows no failed pings, it even succeeds when the router shows that Server is disconnected.
The most peculiar thing: a random keyboard event (e.g. pressing Shift) will make Server reappear. I don't have to do anything else, just press Shift on Server's keyboard and a few moments later everything is back to normal. The router shows that Server is connected and I'm able to do ssh to Server.
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Jan 28, 2010
On about 90% of bootups I find that network manager has disappeared from the notification area to be replaced by a random duplicate of one of the other icons (at random). If I remove the notification area and add it again all is fine.
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Sep 10, 2009
I have a problem with samba machine disappearing after I restart smb or the server where samba is running. Lets say I name my samba server ABC and set it up via system-config-samba utils. I follow basic steps and fill out everything according to most guides that are available for fedora. After that everything works great, I can connect to samba server ABC form any machine through smb://ABC (mac) or \ABC (win), however as soon as I restart smb services or my server (subsequently restarting the smb service ...) I no longer can connect to it via samba server name ABC, I can only do smb://SambaServerIP or \SambaServerIP (have to put numerical internal ip to connect)
My smb.conf:
# cat /etc/samba/smb.conf
[global]
[code]....
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May 7, 2010
When using a Verizon UM150 aircard, it is quickly recognized in Ubuntu 10.04. It installs and connects quickly and seamlessly. After anywhere from a few seconds to a few minutes it disconnects and then disappears from the network manager. To reconnect I have to exit and reboot into Ubuntu. I suspect that there is a conflicting driver that needs to be blacklisted.
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Nov 18, 2009
I am trying to set up bridge, and everything seems to be ok, except 1 thing, it disappears after reboot. So, what I am doing:
Code:
brctl addbr br0
brctl addif br0 eth0
and adding /etc/sysconfig/network-scripts/ifcfg-br0, here it is:
Code:
GATEWAY=192.168.1.1
DEVICE=br0
BOOTPROTO=none
NETMASK=255.255.255.0
DNS1=208.67.222.222
DNS2=208.67.220.220
TYPE=bridge
HWADDR=00:18:f3:75:18:78
IPADDR=192.168.1.3
IPV6INIT=no
ONBOOT=yes
USERCTL=no
and my ifcfg-eth0 is:
Code:
GATEWAY=192.168.1.1
DEVICE=eth0
BOOTPROTO=none
NETMASK=255.255.255.0
DNS1=208.67.222.222
DNS2=208.67.220.220
TYPE=bridge
HWADDR=00:18:f3:75:18:78
IPADDR=192.168.1.3
IPV6INIT=no
ONBOOT=yes
USERCTL=no
How to make it working after reboot?
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Jan 24, 2011
Running Gentoo with kernel 2.6.29 on a Sparc Ultra 10. I'm having problems with my cable modem connection failing, so I've added a static route that enables me to log into the modem's diagnostics page at 192.168.100.1 when the connection drops; my /etc/conf.d/net looks like this (with the comment lines removed).
Code:
dns_domain_lo="MYNETWORK"
config_eth1=("192.168.0.1 netmask 255.255.255.0 broadcast 192.168.0.255")
config_eth0=("dhcp")
routes_eth0=(
"192.168.100.1/32 via 0.0.0.0"
) dhcpcd_eth0="-N"
This works but after a period of several hours to several days, this static route disappears from the routing table.
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Feb 24, 2010
I have a Dell Inspiron 1545 with Ubuntu Karmic that was working like a charm until last week.When I'm using my college's wireless I can browse just fine, but when I'm in my home's network the web addresses cannot be resolved.I was suspecting of DNS error, but it's the same DNS address in all the other computers, and the whole network is working just fine.The thing is that if I use the IPs, for instance 64.233.163.104 for Google, it works fine, both pinging and browsing. So the problem is in resolving the addresses...
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Oct 13, 2010
I try to connect to my access point and after a long wait of maybe 30 seconds to a minute it will prompt me to enter my password. I entered it correctly and it still keeps on asking me to enter it. So just then I entered it with the password showing and double checked over it before trying again and it still didn't connect.
I need to have internet on my netbook working by tonight or I will have to go back to windows.
What can I do to make my laptop connect to my access point? Its not a problem with my access point, my desktop running windows, it connects just fine to my wireless.
Here is part of my syslog
Quote:
Oct 13 15:46:04 mark-eeepc NetworkManager: <info> Activation (wlan0/wireless): connection 'Auto vor' has security,
Oct 13 15:46:04 mark-eeepc NetworkManager: <info> Config: added 'ssid' value 'vor'
Oct 13 15:46:04 mark-eeepc NetworkManager: <info> Config: added 'scan_ssid' value '1'
[Code].....
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Mar 29, 2010
I'm using Ubuntu 9.04 on my eee pc 901, as mentioned above, I been trying to connect to my home WIFI(WPA enable) yet it keep asking for password,
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Jun 28, 2011
I am experiencing strange difficulties with Samba. The permissions aren't set correctly, when creating a file or a folder on the mounted samba share.
My smb.conf looks as follows:
Code:
[shareOffice]
path = /home/shareOffice
writable = yes
browseable = yes
create mode = 0777
directory mask = 0777
force create mode = 0777
force directory mode = 0777
Now if I create a regular file on the folder:
Code:
touch testFile; ls -l
The permissions turn out to be:
Code:
-rwxr-xrwx 1 simon share 0 2011-06-28 21:42 testFile
Why the w bit on the group is missing? If I play around with the create mode / force create mode, I get every other possible permission output --- except the write access for group members.
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May 24, 2010
I ask your help to diagnose a problem. For business reasons I use a broadband internet connection via a mobile phone's connected via bluetooth [rfcomm]. Speed is not the maximum but it is more than sufficient for my work. For configuration of ppp I followed this guide Pon pulls up dialup, but I can't navigate also if resolv.conf and default route are correct. In addition I would like to use the NetworkManager that by default, does not see the device. I worked around the problem this way:
I modified the / etc / rc.local so that launch at boot time: # Rfcomm bind yes
After starting Lucid Lynx, bluetooth connects to the phone but NetworkManager does not see the modem.
When I run the connection manually, by: # Pon BluetoothDialup
NetworkManager sees the device, but can not use it because obviously it is locked by the ppp daemon.
So I close the connection with: # poff
Now NetworkManager sees the broadband modem via / dev/rfcomm0, dialup is performed properly. I can finally surf and just enable vpn with NetworkManager. all start automatically at boot, without the need to manually connect and disconnects the dialup to use, finally, the NetworkManager.
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Nov 2, 2010
I've got two NICs connected to two different routers, and on different subnets of course. Each is set for static IP. But somehow I must have mixed up the connections at some point, so the NICs don't always have the IP addresses I expect. I think there may also be a mixup with different ways of setting the network addresses. When I click the Network Icon on the Desktop, I see that each NIC has both addresses as options. The /etc/network/interfaces file has some information about eth0, but all commented out, so there must be another place the addresses get set. And I just discovered that eth0 and eth1 aren't physical but virtual. I guess eth0 is the first one that is set.
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Jul 16, 2010
In the revision for the driver information it says it's for Ubuntu, but I assume it will work here as well.
Release date = 2010-05-07
Operating system release = Ubuntu 8.10/ubuntu9.04/ubuntu9.10/ubuntu10.04/moblin2/android-x86_090916
Kernel version = 2.6.28/2.6.30/2.6.31/2.6.32/2.6.33/2.6.34
Release driver version = 0017.0507.2010
Change history =
1. update firmware.
2. link NO-QOS-11N-AP use N mdoe.
3. Close LED when ifconfig wlan0 down.
4. Fix RTL8192SE WRT300N TP low issue.
5. To make LED dim time short enough when power save open.
6. Remove ubuntu10.04 self rtl8192se driver in make install.
In the supplied information from Realtek it tells me to:
========================================================================================
II. Compile & Installation & uninstall
========================================================================================
You can enter top-level directory of driver and execute follwing command to Compile, Installation, or uninstall the driver:
0. Change to Super User[code].....
When I do this the Make command is not correct for openSUSE
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Jun 1, 2009
If I want to share a directory called /home/me, would I go to my /etc/exports file and share /home/me/* or would I share /home/me ? I am unsure of how to type this into the file.
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Feb 8, 2010
I have two NIC cards installed, they both go to seperate networks. Occassionally I am not able to establish a connection via eth1. When looking at tcpdump traces I see that Linux is using eth0 hardware port and putting eth1's IP address in the packet to reply to the connection request. When the connections work its when Linux uses eth1's port.
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Nov 26, 2009
I'm looking to setup a transparent proxy, which (if I understand correctly) will allow me to monitor/control http traffic on my home lan with the use a log analyser.I'm planning on following this guide Yes... I'm cheap and don't wanna buy another NIC.My question: How does this all work? I get that http traffic goes to my server first, and then to the destination address, but how? What is stopping the other computers on my network from going straight to my router?Is my interpretation of a transparent proxy correct?
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Apr 7, 2010
On the several machines on my network, I am having difficulty using ssh
and sftp.
Machines are as follows:
1. a Slack machine 2.4.26 kernel
2. a Suse 10 machine 2.6.22.xxx kernel
3. a Ubuntu 9.10 machine 2.6.31.20.xxx kernel
I can use sftp/ssh between 1 and 2. in either direction - no problem.
I cannot sftp/ssh between 3 and anything. sshd is running on the ubuntu machine. I used to be able to sftp/ssh between 2 and 3 but only if 2 started the process.
The failure is machine #3 not accepting the password to or from the other machines, or at least that's how it presents.
All machines can ping each other.
The configs are defaults
I only dimly understand what's going on.
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