Debian :: Troubleshooting New Wireless Network?
Aug 16, 2010
I have had no problems connecting to any of my wireless networks in the past. Right now I am at a friend's house and can't get internet access with my laptop. I have entered the appropriate fields in /etc/network/interfaces (as I usually do)
auto wlan0
iface wlan0 inet static
address 192.168.2.64
netmask 255.255.255.0
broadcast 192.168.2.255
gateway 192.168.2.1
I checked this info with the router's web interface and everything seems fit. The network does not have a password. I have tried adding "wpa-ssid belkin5g" and "wireless-ssid belkin54g", and neither one works (can't ping the router after bringing wlan0 down then back up). I have also tried connecting with DHCP instead of setting a static address.
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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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Mar 6, 2010
I've gone through the trouble-shooting procedure discussed in the "lwfinger" stickies. My results are shown below. Output of all test steps looks fine until I run "ifconfig" - no valid IP address is reported. My access point works fine with other devices (including an existing 11.1 install).My detailed trouble-shooting output is shown below.
TROUBLE-SHOOTING SUMMARY
- wpa_supplicant software is installed
- network controller data are identified by "lspci" commands (no switch, -v, -n), including:
[code]...
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Sep 1, 2011
I've got a server that I've been trying to get Ubuntu Server 10.04.01 LTS installed and running on and I've gotten incredibly close to having it work, but the Network is still giving me issues. The installer went off without a hitch (once I fixed some optical drive issues) and it has actually detected the "Intel Corporation 82576 Gigabit Network Connection (rev 01)" Dual-port onboard NIC which shows up when I run lspci. I statically assigned an IP, Subnet, DNS Server and Gateway to eth0 and things looked good. ifconfig showed that it was "UP", and I could ping localhost, but if I tried to ping anything on the LAN it said "Destination Host Unreachable".
Here's the ifconfig and lspci (snippet)
======== ifconfig ========
eth0 Link encap:Ethernet HWaddr 00:25:90:2d:26:98
inet addr:172.30.1.75 Bcast:172.30.3.255 Mask:255.255.252.0
UP BROADCAST MULTICAST MTU:1500 Metric:1
[code]...
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Mar 7, 2011
I have a really weird problem, when I play any ..... video, gnome crashes. I've tried other similar services, and everything works just fine. As soon any ..... video starts, gui crashes, audio actually keeps on going and I get some weird picture on screen that keeps on blinking. I've tried searching around for a similar problem, but couldn't find anything.
I tried looking in /var/log/messages, and tried looking into dmesh, kerneloops...but no luck.
Any idea how to start troubleshooting this?
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Aug 16, 2010
I want to build a custom system and I need your opinions. I have an old laptop which I want to configure as a system for troubleshooting purpose, my idea is to have multi-boot system with multiple root file systems, e.g. one root file system has only BIND to work as DNS server, another root file system has only Samba, etc., and I can choose which system to boot into from grub, or a custom menu after booting grub.
I thought of setting multiple partitions and install a full system on each one, but I thought that there might be a better way to do this, I'd like to hear your opinions.
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Oct 1, 2010
I've installed firmware-iwlwifi I've modprobe -r'd and modprobed the iwlagn module I CAN scan, using iwlist wlan0 scanning, and I can see my essid, hovering in the distance. it is definitely broadcasting.
I use wicd and wicd-curses. No wireless show up in wicd-curses. ifup wlan0 gives me no dhcp offers received and slumbers again. from iwconfig:
wlan0 IEEE 802.11abgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
from lspci:
03:00.0 Network controller: Intel Corporation WiFi Link 5100
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Sep 11, 2011
Debian 2.6.32-5-amd64 KDE I have to make one of my computers wireless. i need some product recommendations for a wireless access point & a wireless network card.
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Mar 23, 2010
When i click the button to connect to a wireless network this message apears:Network management disabled
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Aug 22, 2010
I just did a fresh install of debian (amd64) on my laptop (Dell Inspiron 1520). My wireless network is not being detected, but I'm pretty sure that my wireless device IS being detected. During the installation, I got a message about some firmware .ucode file not being found. It asked me to put the file on a usb stick (which I got online), and I did that. It didn't complain after that, but I got the same message again later on, but again it didn't complain when I continued the installation.
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Apr 19, 2011
I'm new to Debian,I download a Squeeze amd64 installation CD and ready to install it.
My laptop is Compaq Presario CQ40-115AU,AMD 780G board with ATI Radeon HD3200 graphic card integrated,wifi chip is Broadcom 4312 14e4:4315. Now I don't have network connection in home,I have to install the Squeeze,and get my wifi work to do the further update at any cybercafe with wifi hotspot. I found this website,provide all the package,but I don't know which to download to get my wifi work.
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Jul 27, 2010
how can i connect to the wireless network(WPA/WPA2)? i dont have network manager,so help me with terminal. i download wpasusclinet,but help me from first.
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Mar 25, 2016
I am running Jessie 8.3 and wireless in Wicd has stopped working for me, displaying "No Wireless Networks Found."
Code: Select allsudo /etc/init.d/wicd restart Restarted wicd
Made sure wlan0 is in wicd preferences.
iwconfig:
Code: Select alleth0 no wireless extensions.
wlan0 IEEE 802.11abg ESSID:"Tell My Wifi Love Her"
Mode:Managed Access Point: Not-Associated Tx-Power=200 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
lo no wireless extensions.
For some reason my user account was removed from the netdev group? So I readded it...
Code: Select allekarr@fidelio:~$ sudo gpasswd -a ekarr netdev
Adding user ekarr to group netdev
[code]....
And still, "no wireless networks found" in Wicd.
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Nov 11, 2014
I've been in a difficult situation since we're having only wifi and there is no way to connect my laptop to the internet via a LAN cable.
Debian's packages don't support my wireless card. However this one works: [URL]
Is there any way to install this driver for the Installer to connect to the internet while installing?
I don't know what exactly to do when the Installer ask for my network driver so that I can use it.
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Oct 24, 2015
For the past week or so, I've had my wireless connection disconnect and reconnect at seemingly random intervals. It can be anywhere from every minute to every hour, whether I'm using the network or not. I don't recall installing anything that could affect this. I'm fairly certain this isn't a hardware issue, since I haven't had any problems when using my Windows partition. I'm using a D-Link USB adapter (DWA-171).
Code: Select alljp@pyrog:~$ more /etc/*-release
PRETTY_NAME="Debian GNU/Linux 7 (wheezy)"
NAME="Debian GNU/Linux"
VERSION_ID="7"
VERSION="7 (wheezy)"
ID=debian
ANSI_COLOR="1;31"
[Code] ....
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May 14, 2011
My wireless network is down. I got thinkpad x120e, chipset: Realtek RTL8188CE, driver: rtl819ce.
Here is what I did so far:
upgraded to 2.6.38-bpo.2-686
installed firmware-linux-nonfree
Added the firmware file from the repo since it's not yet packaged in firmware-realtek and reloaded the module.
'iwlist sc' shows: 'wlan0 Interface doesn't support scanning : Network is down'
'dmesg |tail -20' shows:
rtl8192ce:rtl92c_download_fw():<0-0> Failed to request firmware!
firmware 0000:04:00.0: firmware_loading_store: vmap() failed
I also tried the following commands:
ifdown wlan0 ; ifup wlan0
ifconfig wlan0 up
Relevant bug: [URL]
Step by step, in case someone is interested:
add to sources.list: deb [URl] squeeze-backports main
aptitude update
sudo aptitude -t squeeze-backports install linux-image-2.6.38-bpo.2-686
install this package: [URL]
get the first file: [URL]
add to driver:
mkdir -p /lib/firmware/rtlwifi
mv rtlwifi_rtl8192cfw.bin /lib/firmware/rtlwifi
modprobe -r rtl18192ce; modprobe rtl18192ce; dmesg | tail -20
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Mar 5, 2011
Here ASUSTeK Computer Inc. - Networks - ASUS PCE-N13
you may download the driver and install it yourself; once you've succeeded, I am a one-time Linux convert and quitter that gave up on Linux a long time ago, because frankly it is too complicated and I'm just a user who needs to get things done today, not in the few weeks time it takes to figure these things out. Since Debian Squeeze got released I wanna test it out, but my PCI card, ASUS PCE-N13 needs to be set up.
Driver install too technically advanced.
The accompanying instructions are far from self-evident:
================================================== =====================
Build Instructions:
====================
1> $tar -xvzf RT2860_Linux_STA_x.x.x.x.tgz
[Code].....
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Feb 26, 2010
I use network-manager-gnome to connect to my wireless networks, but I can only use it with a graphical environment, and it doesn't even work that well since it will drop the connection after a few minutes and I have to reconnect it manually, that means I cannot leave my computer downloading a big file all night since it will only download for a few minutes, does anyone know what package can I use to connect to my wireless without the need of network-manager, even if it's through command line?
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Jul 30, 2015
I try to install Debian 8 on my desktop PC that has a wireless network card.I had already used this computer with debian 7 and I could use my problem-free network connection.
My network card is : Asus PCE-N10
During the installation, a message occured to ask me to load a firmware (rtlwifi/rtl8192cfw.bin) which is loaded from a USB key.After this, Debian-installer seems to find my wireless card but can not find wireless network.I have this message, translated from French: "The search for an available wireless network failed" and I can enter an ESSID but inconclusive.
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Feb 9, 2010
I've been enjoying wireless for a long time on Squeeze (iwl3945) with KDE, but the recent network manager update stopped that. I've tried a few things, like going back to /etc/network/interfaces and ifup wlan0 that I use with Lenny, but still not working.
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May 14, 2011
I've been following this guide for squeeze: [URL] After getting the wireless-tools and firmware-ralink packages installed with no internet, I managed to installthe driver using modprobe rt2870sta (the 4th step). With the module loaded and the device plugged in (a RangePlusWireless Network USB Adapter with the WUSB100v2 chipset), iwconfig returned something like
[code]....
and then ifconfig wlan0 up returned ERROR while getting interface flags: no available device
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Apr 12, 2011
Yesterday I installed a RaLink RT2800 802.11n PCI on my squeeze system. Now I have a connection to Internet but I can not connect other systems in my home network. An ssh-try to a system in my home network results in: ssh: connect to host xxx.xxx.xxx.xxx port 22: No route to host If I use my eth0, I do not have connection to Internet, but I can connect other systems in my home network.
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Mar 30, 2011
I am currently using Debian Testing, managing my wireless connection with NetworkManager and the Gnome nm-applet. Both have just been updated: network-manager from 0.8.1-6+squeeze1 to 0.8.2-6 and network-manager-gnome from 0.8.1-2 to 0.8.2-4.On installation of the new packages, I have no problems. However, on a reboot, I can no-longer connect to any wireless connection. I am not prompted on start-up for the password to unlock the Gnome keyring and when I left-click on the nm-applet icon and then click on a network to connect to it, nothing happens.I do not think this is a driver or NetworkManager daemon problem. If I run "nmcli dev wifi" or left-click on the applet icon, NetworkManager seems to scan for wireless networks properly and returns a list including the one I wish to connect to.
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Apr 17, 2011
I upgraded from lenny to squeeze on a notebook and I can no longer connect to the wireless network. The computer is an LG notebook and the network card is ralink rt2860. I am using Gnome and NetworkManager. The wireless key is WEP hex. It was working fine with lenny till before the upgrade. After the upgrade, the network card stopped working. So, I checked
$ lspci|grep Network
08:00.0 Network controller: RaLink RT2860
Then I reinstalled the driver with apt-get install firmware-ralink wireless-tools Then the network manager tray started working again and saw the network, but cannot connect. It was trying to connect but timed out and kept asking for the password. It is the correct password. I tried deleting the old connection and recreated a new one in the nm. But still does not work.
[Code]...
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Apr 9, 2010
I'm having problems while trying to connect to protected wireless network using iwconfig(8).
When I type in:
Things work ONLY if i DON'T input some numbers after the s: but my actual passkey has numbers.
It outputs this as an error:
my configuration(ThinkPad R61i):
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May 3, 2010
using this Azio Wireless PCI Adapter[URL] (Network controller: RaLink Device 0701)
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May 13, 2011
The server is booting up properly and the system is running. When browsing web sites on the sever and they seem to run fine. But when you make requests to it, it seems to take a long time to process stuff. Such as large mysql request. Even to the point it freezes. It seems that if you make a request of some sort it just over loads. I have checked the logs and the most I can get from it that one of my wiki sites that seem to be getting nailed with spam bots trying to getting which is one of the databaes that where repaired could be slowing it down A LOT. Now I did find a couple databases that where marked as crashed and they have been repaired. I am not really sure what is causes the errors since the HD space is fine, ram is fine, internet connection is fine...So I am not familiar with diagnoses linux as much as I am with a windows pc. I am not real shell friendly. I am not good with the basic troubleshooting commands to try and identify the source of the problem to correct it. Could anyone point me the way...
Thanks in advance and I apologize for being a ra-tard on these. I should know this stuff more than I do running a server like this. It was created in 2006 and has been problem free since. Another thing, mass emailing isnt working either. It may be mysqld related. Sorry for the fragments and such. It also seems the SMTP isn't working properly as well suddenly.
Another error I been seeing:
PHP Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 16 bytesPHP Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 16 bytes some times I see this as a 32 or 64 bytes as well.
FTP Connection: It is also slow when making ftp connects. It is extremly slow but they finally do complete. It can be just a simple connection to display content. Slow.
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Apr 1, 2011
I installed Gadmin-Samba and a eth1. Setup the info in gadmin for waht I could follow and then shared the bub folder in win7. Have direct cable between the 2 nics, they see each other, however Win 7 says "unidentified network" (with a bench) and no connection established. In Ubuntu Places/network folder it has "Windows Netork" folder, but its empty. What am I missing?
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Mar 21, 2010
I have an internet connection with 512kbs speed. I have PCLinuxOS installed on my laptop. when I boot the machine through PCLinxOS, I am not able to connect to the internet.
I am not getting IP/DNS entries/Gateway by my ISP. Can anyone please help me in troubleshooting this ?
But when the same Internet connection is connected to another Windows XP machine. Its working fine.
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May 6, 2011
I need a portable emacs to use for troubleshooting GNU/linux machines. A USB stick is the preferred medium as some of the computers I will work with may not have an optical drive.
Will I need separate versions for 32- and 64-bit systems?
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