Ubuntu Networking :: Wicd Disconnects Wifi When Scanning?
Oct 29, 2010
I have an hp compaq 6720s laptop dualboot vista/ubuntu lucyd.My wireless card is Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02), controlled by wicd 1.7.0 (gnome network manager connects/disconects the net continuously).The problem is, any time I do a scanning with wicd or from command line to see the wifi nets around,my wireless is disconnected, then it connects again because is set to automatic reconnection
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Mar 30, 2011
As a frequent traveler, I spend most of my time in Hotel these months.My laptop is Ubuntu Maverick.Is there any UI tools for wifi scanning and auto-connection in Ubuntu?I have tried wifiradar. Although it could scan out the wifi SSID, while, the wifiradar could not connect to the WIFI.
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Dec 2, 2010
I have experienced sudden wifi disconnects. My laptop fails to reconnect even after repeated attempts. It is only after a reboot that I am able to connect to the wireless.
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Jan 6, 2011
I have a Dell Studio 1737 running Ubuntu 10.04 LTS.My WiFi was working fine a few days ago until I tried to boot into another mode that allows me to boot into my other Ubuntu 10.04 or Windows Vista.I booted into that Ubuntu, which I thought had been overwritten when I was having problems and installed the one I am currently using.I shut down since it didn't have anything of any use to me at the moment, and I booted back into this current Ubuntu.Now, whenever I shut my laptop screen and open it back up to login, the WiFi is disconnected.(I was also having this problem on the Ubuntu that I booted into earlier, but that WiFi did this from the start on that one.)
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May 11, 2011
About 20 seconds after I unplug my Laptop from the AC adapter myiFi connection disconnects. The only way to get a connection again is to shut down my laptop and remove the battery and the AC adapter (WiFi-adapter reset) and reboot my laptop. I'm running 10.10 32-bit.lspci shows me these information about my WiFi-Adapter
02:00.0 Ethernet controller: Atheros Communications Inc. AR5001 Wireless Network Adapter (rev 01)
Subsystem: Device 1a3b:1026
[code]....
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Nov 27, 2010
After a new fresh-from-DVD install of Fedora 14 64-bit (over top of Fedora 12 64-bit which went over top of Fedora 10 64-bit before that) my Linksys WUSB600N adapter connects at login to my WiFi N router with WPA2 Personal.
That is great, as previously (fc10/12) I had to use the Ralink drivers per ogetbilo's thread on this forum (that thread kept me on the net for many years now). And at some point this even became a pain because sometimes the system would boot and refuse to connect to the wireless (which would hang trying to connect) and then crash to a dump screen on shutdown (bug reported). The fix was hoped to be found in upgrading to F14 and the newer kernels with working native Ralink chip support.
But I still have an issue... the connection stays up for a few minutes then drops. If I disable/re-enable wireless it (at least sometimes) re-connects. But obviously that is not workable. This is a USB adapter and I am not entirely sure that there is not some USB powersave issue going on, but I do not see anywhere to disable system USB power saving either.
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Jan 16, 2011
When trying to connect to a wireless AP, neither wicd or wifi-radar are able to obtain an IP. With wicd, a string of various hex/dec characters flow by, with an eventual error. This happens with both WEP and unencrypted APs (- the hex/dec). With wifi-radar it simply fails, but not every time. NetworkManager connects with zero problems every time; though I prefer to not use NetworkManager, so please spare me of such replies. Someone please tell me why there should be only one wireless manager in Ubuntu that works? I have used wicd since before gutsy gibbon, and it always worked fine until the last two versions, Lucid, and Karmic. What is occurring in Ubuntu which over time breaks these excellent applications? I have tried this with four different wireless cards, and all suffer either identical or similar issues. Those chipsets are Broadcom, two RealTeks, and an Intel.
I really wish to emphasize that this post is not a request for a lecture on why I should use only NetworkManager, or why I should go find another distro. With something like Linux, maybe we could push a little harder, and have maybe say, two, wireless managers that actually work? I would honestly like to see more than two, but one is not enough. It baffles me a bit why new versions of Ubuntu mangle some perfectly good applications, but not others. In IT, surely networking, IP4, WEP, basic wifi technology, etc. has not changed so much that every six months whole new programs should need to be written to connect to a wireless access point. Nor should old ones need much tweaking. What's going on? With such boastings of repositories abundant and brimming with free apps, why does anyone want to make NetworkManager the only app that works?
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Dec 31, 2010
I just upgraded to Ubuntu 10.10 because I was facing internet problems with previous Ubuntu 9.04 after I upgraded it with downloaded software. And now, 10.10 connects to wireless, but shows web-page some-times and repeatedly disconnects. Earlier it wasn't reaching Internet at all. Some of the topics here helped a lot. But this intermittent internet seems not going anywhere. Wired Internet connects easily though.
I've tried :-
-disabling ipv6..... first in Firefox, then in Kernel also
-Setting DNS.....System> Preferences> Network Connections
-setting static Ip
The system still gives trouble.
My system is Asus UL20A.
Wireless:-Atheros AR9285
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Nov 27, 2010
I am running Ubuntu 10.04 on a PackardBell notebook and have just got an Orange Livebox 2 for broadband connection(after years of dial-up as no adsl in my area).I am trying to connect via WiFi to the Livebox to configure, but neither NetworkManager nor Wicd will connect. NM sees the Livebox but simply fails to connect after trying; Wicd says "Bad password".The WPA2 password I have entered is definitely correct, and I have connected without any problem from an AcerOne under Linpus.I have also tried to connect using Wicd and an ethernet cable, and this doesn't connect either, returning "Connection Failed: Unable to Get IP Address"
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Jul 7, 2011
I have a Ubuntu 10.04 laptop that gets its Internet connection via WIFI using WICD as network manager, and Windows XP desktop with no Internet connection. What I want to do is share my Internet connection from my laptop with my desktop via a Ethernet cable. But i have no idea what to do. How do i go about doing this?
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Dec 31, 2010
After I put my laptop in suspend mode and I resume it, it doesn't immediately detect the wifi networks. I have to wait for 5-10 minutes to see the various networks appearing.Is there a command I could run from the terminal to scan the wifi networks? I have tried the wcid application but I got some kind of conflict and then I removed i
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Apr 4, 2011
I am trying to use nm-applet with Arch/Openbox/tint2. I can't use wicd-gtk because wicd won't work with ad-hoc networks. I have tested nm-applet in Ubuntu/Openbox/tint2 and it works fine.
The error message is:
Code:
[esteeven@piccolo ~]$ nm-applet
** Message: applet now removed from the notification area
[Code]...
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May 7, 2010
This is going to sound weird but my wifi interconnection is really good i never have any problems but when i open skype, go to options and click test webcam my wifi disconnects and will not return till i restart the pc
I'm running 10.04
keep the connection and the webcam working will be great
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Oct 20, 2010
I am on a toshiba laptop with a wireless internet connection, I have recently purchased a logitech pro 9000 webcam , I plan on using it for skype. So the wifi is working fine, I plug in the usb webcam and all of the sudden I just lose connection and my keyring doesn't even remember the wep key for my wifi. I am amateur with linux based system but I have taken a operation system class so I know some stuff and can follow instructions quite well.
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May 5, 2011
I just upgraded from 10.10 to 11.04 but other than that the most annoying thing I've found is that my wifi will randomly disconnect from the network...like it will say its still connected but pages wont load and all my torrents just stop, and then I have to manually disconnect from the network and then reconnect and it works for about a min and then happens again. I couldn't even get enough internet to post this from my laptop so I had to post this at school from a windows. Idk whats going on but it sucks because I cant really use the comp without the internet..
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Jul 16, 2011
wicd keeps dropping my wifi connection most of the time I can just tell wicd to reconnect the connection never stays up for more than 10 minuets with out doing other times it looks like it connected when it didn't other times it times out when obtaining the ip address in these 2 cases I have to run "etc/rc.d/rc.wicd restart
then tell it to connect sometimes posting on forums requires me to copy my text hit submit hope the connection is still up maybe restart wicd reconnect.is there a bug in wicd or python ?
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Dec 8, 2014
I have a Lenovo T440p.I am on Debian Jessie. I use KDE as my desktop environment. My Wifi adapter is Intel® Dual Band Wireless-N 7260. I have configured my laptop not to suspend itself when the lid is down. I can verify that the laptop still runs when the lid is down, because I can hear the music if it is already playing. However the Wifi always disconnects when the lid is down. If I am downloading a file, it always gets interrupted.
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Sep 6, 2010
I have a hp dv3 2110eg laptop with OpenSuse 11.1 (KDE 3.5.10) and Windows 7 dual boot. My wireless disconnects and connects automatically at random intervals. I do not observe this behaviour when operating my laptop under Windows 7. Following some suggestions given in this forum , I uninstalled networkmanager and installed wicd. However, this does not seem to solve the problem. Given below are the relevant information.
uname -r
Code:
2.6.27.48-0.2-pae
/sbin/lspci
Code:
03:00.0 Network controller: Intel Corporation PRO/Wireless 5100 AGN [Shiloh]
Network Connection
/sbin/lspci -n
Code:
03:00.0 0280: 8086:4237
/sbin/lspci -nnk
Code:
03:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 5100 AGN [Shiloh]
Network Connection [8086:4237]
Kernel driver in use: iwlagn
Kernel modules: iwlagn
dmesg
Code:
iwlagn: Intel(R) Wireless WiFi Link AGN driver for Linux, 1.3.27ks
iwlagn: Copyright(c) 2003-2008 Intel Corporation
iwlagn 0000:03:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
iwlagn 0000:03:00.0: setting latency timer to 64
iwlagn: Detected Intel Wireless WiFi Link 5100AGN REV=0x54
iwlagn: Tunable channels: 13 802.11bg, 24 802.11a channels
phy0: Selected rate control algorithm 'iwl-agn-rs'
firmware: requesting iwlwifi-5000-1.ucode
The dmesg output shows firmware request (highlighted with red font), but I have already installed the firmware using YAST.
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Nov 27, 2010
I am running Ubuntu 10.04 on a PackardBell notebook and have just got an Orange Livebox 2 for broadband connection(after years of dial-up as no adsl in my area).
I am trying to connect via WiFi to the Livebox to configure, but neither NetworkManager nor Wicd will connect. NM sees the Livebox but simply fails to connect after trying; Wicd says "Bad password". The WPA2 password I have entered is definitely correct, and I have connected without any problem from an AcerOne under Linpus.
I have also tried to connect using Wicd and an ethernet cable, and this doesn't connect either, returning "Connection Failed: Unable to Get IP Address"
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Feb 5, 2015
My wifi does not work in the actual debian testing jessie lxde amd64 with wicd version (fresh install). What I've done:
0. Fresh testing jessie install (offline and ignored the question for adding iwlwifi)
1. Adding following sources:
deb http://ftp.de.debian.org/debian/ jessie main contrib non-free
deb-src http://ftp.de.debian.org/debian/ jessie main contrib non-free
deb http://security.debian.org/ jessie/updates main contrib non-free
deb-src http://security.debian.org/ jessie/updates main contrib non-free
2. apt-get update
3. apt-get install firmware-iwlwifi
4. modprobe -r iwlwifi ; modprobe iwlwifi
So searching the web just brings up the wheezy way solution (backport new kernel and iwlwifi).
But in this case, actual jessie testing kernel is already installed by default and so the actual 43 firmware-iwlwifi
Some information:
Code: Select all# dpkg -l |grep -i iwlwifi
ii firmware-iwlwifi 0.43 all Binary firmware for Intel Wireless cards
Code: Select all# dmesg | grep wifi
[ 7.890216] iwlwifi 0000:02:00.0: irq 107 for MSI/MSI-X
[ 8.478878] iwlwifi 0000:02:00.0: firmware: direct-loading firmware iwlwifi-7260-9.ucode
[ 8.479867] iwlwifi 0000:02:00.0: loaded firmware version 23.214.9.0 op_mode iwlmvm
[ 8.553105] iwlwifi 0000:02:00.0: Detected Intel(R) Dual Band Wireless AC 7260, REV=0x144
[ 8.553193] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled
[Code] ....
I must add: lxde Debian uses Wicd, so network-manager is not installed !
Wicd seems to be the problem. After changing to network-manager, everthing is ok.
Next install with the official Jessie release, i will look, why wicd not work out of the box.
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Jul 1, 2010
I installed Wicd in my F13 but I got problems when starting it When I try to start it I got error message:
Could not connect to wicd's D-Bus interface - Check the wicd log for error messages.
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Dec 17, 2010
I'v just installed wicd. I can't get it to sart, I get errors saying that wicd couldn't connect to it's dbus interface and the wicd deamon has shut down. Then there's a report from SELinux saying that it's preventing /usr/bin/python "write" access on /etc/dhcp/manager-settings.conf and that access is denied to wicd. I can get wicd to start if I su to root, but I'd like to not have to do that every time I boot. Is there a fix?
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Jan 9, 2011
I installed squeeze on my eeepc 1015ped and downloaded the correct firmware-brcm80211 drivers but every time I scan for my network using iwconfig wlan0 scan or wicd, my computer completely freezes. I previously had a solid install running xmonad, and wicd was working like a charm (using the same broadcom driver) but i tinkered too much with it and decided to do a fresh install. I haven't quite run into a problem like this before.
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Dec 31, 2010
I've just bought a GEETEK Hercules USB Wlan adapter, which has the Ralink rt3072 chipset. The Connection manager can find wireless APs, but it won't connect to any of those. Also, aircrack-ng does not find any APs while scanning.After some tinkering and a lot of restarting, I can now connect t wireless networks, although slowly. However, I still can't use it with aircrack-ng.
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Aug 5, 2011
I'm running 10.04 LTS Desktop and I'm wondering if there any default packages that are automatically scanning for hosts? I'm on a university network and they're really touchy about any computers scanning ports/hosts and they keep disabling my computer. I'm just wondering if there's anything like that installed by default - maybe some of the zeroconf stuff?
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May 3, 2011
I have made an EPSON RX500 multifunction device (printer/scanner) available over my router with the lpd protocol. Both PCs (ubuntu 10.04 laptop wireless, 8.10 desktop wired) connected to it can print, but not scan, since XSANE does not recognize the scanner over the network. It does hoverer both, scanning and printing, if connected with an USB cable. How can i configure xsane to recognize my RX500 over the network?
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Sep 1, 2011
I actually have two problems: I couldn't get DUN to work with Ubuntu for a while and then one day it just magically worked and would let me find the device and connect to it. And then it broke again. So in my effort to fix the problem it looks like Bluetooth went completely off the rails. When I try to add a Bluetooth device through the manager it just keeps spinning with "Searching for Devices" but the spinning finds nothing (it would run for an eternity if I let it, it seems). hcitool scan reports "Scanning ..." and then drops back to command prompt. hciconfig notes the device is up. The device has no soft/hard locks on it. If anyone has a CLUE about what it could be.
Obvious note: My phone is in bluetooth mode and discoverable so that isn't the problem.
If I make the computer visible, my phone DOES NOT pick up it's there. Also, bluetooth works fine on the Fedora USB stick.
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Oct 4, 2010
Is possible to detect port scanning just by using utilities included in linux (netstat, iptables...), Yes there is utility called psad but I would write some scripts for my own and learn something new
I am not a C++ geeg, so first thing that comes to my mind is that i will use simple BASH SCRIPT that will interact with iptables and monitor user activity, network activity etc. (but I thing that would not be good solution due to performance and capabilities, and also I am not familliar with memory in linux at all). I was reading aboud SNORT HIDS, NIDS... AFAIK some information can be obtainet from /proc but I have no idea which values should be monitored.
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Mar 31, 2011
c source code for scanning a shared directory of a host ?
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Jan 30, 2010
When I use all the band(transmission or browsing too many videos) it disconnects after few minutes and it doesn't connect again until I reboot.
lspci:
05:01.0 Network controller: RaLink RT2760 Wireless 802.11n 1T/2R Cardbus
Code:
sudo lshw -C network
*-network
description: Ethernet interface
product: 88E8056 PCI-E Gigabit Ethernet Controller
[Code].....
I could use N and WPA2 by following this thread. If it is possible to reconnect without reboot would be a possible workaround
(I use Ubuntu Karmic x_64)
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