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• What is the most reliable WiFi card?

  - by Kim Prince

  Which WiFi card is most reliable with Ubuntu, in particular V12.04? I have a ASUS PCE-N15 card which is dropping out intermittently. It has the RTL8188CE chipset, and I see that plenty of others have had a problem with this same chipset. I have tried building the custom drivers and a few other fixes, but still not reliable. So, I need to race out another card ASAP, but which card to buy? (I don't just want to select from the Ubuntu components list, since it is not infallible. For example, it says the RTL8188CE chips set works). Thanks!

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• Setting primary internet connection and network on notebook

  - by Francois

  I have installed Ubuntu on a notebook that I have configured to connect to the internet using an Iburst USB modem. This works 100% after a bit of configuring. I now have a desktop pc that I have installed ubuntu on, and would like to connect the two with a router. I bought a router with wifi, and would like to connect my notebook to the other computer using wifi, while still keeping the internet working with the usb modem. The problem is that as soon as the wifi connect, the internet connection dies. Is there a way to force ubuntu to get internet access through the usb modem, but use wifi to connect to the network? I am pretty new to ubuntu so any help would be appreciated. I also have a samsung galaxy tab that I would like to connect to the internet through usb modem via the wifi, so is there also a way to share that internet connection with the other computers on the network? Thanks in advance.....

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• How to prevent ubuntu from connecting to wifi hotspots automatically

  - by calvin tiger

  Note: this question is distinct from "How to disable automatically connecting to WiFi?", as I do not wish to disable automatic WiFi connection in general. Problem: The Ubuntu WiFi module connects automatically in priority with WiFi networks without a password, even if there is a already known password-protected WiFi network nearby. Worse, most of the times these "unprotected" networks are in fact hotspots that require authentification from the browser. Example: I am at home, and most of the times my Ubuntu laptop will connect by itself to a nearby hotspot instead of choosing my local ADSL box (password-protected, with a password that is already known by the computer). I then have to select my own WiFi network manually. Is there a way to disable automatic connection to /all/ hotspots ?

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• Wifi speed with driver rtl8187 drops

  - by Peter

  I am using lucid lynx with this USB adapter and drivers rtl8187. When I start a download, it starts at 1500kpbs (if i use "iwconfig wlan0 rate [more than 11MB]" it starts at a lower speed), it transfers a few kbs but then the speed starts to drop constantly and nothing is being transferred. I've also tried the driver r8187, but I have the same speed problem only that with this driver the download starts at only 10kbps, and drops from there. What can I try to identify the cause and fix this problem?

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• rt73.bin for Ubuntu 12.04 LTS?

  - by fNek

  I have a D-Link USB WLAN stick and want to install Ubuntu 12.04 alternate. The installer asks me to insert an exchangable drive containing 'rt73.bin', the driver. I cannot find any binary downloads, but cannot build the package, because I have no other linux PC. What can I do? //EDIT: The reason why I want to do this during setup is that I want to setup an LTSP server. I only found guides that assume one has Internet connection - but I have not. What can I do?

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• ACER ASPIRE ONE, WIFI Atheros Communications Inc. AR9462 problem with 12.10

  - by antoine

  I have an ACER ASPIRE ONE AO756-Series, equipped with A wifi controller Atheros Communications Inc. AR9462 Everything worked fine on 12.04, but when I upgraded to 12.10 I experimented some issues : * wifi does work ! * still, the wifi icon/menu does not react normally : 1) it is always grey, hence not indicating if connected or not, 2) It does not react to me clicking on it (disconnect, change the network, desactive wifi, etc) So it's not a critical issue because I can change the active wifi connection through control pannel, but it is very annoying. Do you know of an solution around this issue ? thanks a lot antoine

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• Why does my WIFI connection drop every 5-20 minutes?

  - by Benett Freeman

  There are other questions on this but none have been taken very far in their analysis. I get disconnects very often - sometimes every 20 mins or so, but sometimes even every few minutes. The way I have been getting around it is to disconnect from the Wifi connection and reconnect - and then it works fine again until the next disconnect. I am running 11.04 on an ASUS A52F. Can anyone help me please?

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• Slow wifi with D-link DWA-160 A2

  - by Tommy Brunn

  I recently bought a USB wifi adapter for my new desktop computer. It's a D-link DWA-160 A2. From the start it didn't want to work at all, but after unplugging and then plugging it back in, it seems to work. However, my browsing is painfully slow. NetworkManager reports the connection to be at around 78-85% signal strength, which seems perfectly acceptable. Is there anything I can do to make it faster? I'm dual booting with Windows 7, where it seems to work fine, so I'm guessing that the problem occurs because of crappy drivers.

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• Lenovo IdeaPad P400 - Disabling the annoying requirement for the Fn key to use F1-F12

  - by Yon

  On Lenovo laptops, in order to use F5 you need to press Fn-F5 (same with F1-F12). It's really annoying and I'd like to reverse the situation. On Windows, a Lenovo driver could help: http://forums.lenovo.com/t5/ThinkPad-Edge-S-series/Disable-Fn-Keys-E420/td-p/803609 How can I resolve this on Ubuntu 12.04? I couldn't find Lenovo drivers for Linux. UPDATE: Found a peculiar solution for this on Windows. Can anyone recommend a good equivalent for Xubuntu: http://forums.lenovo.com/t5/IdeaPad-Y-U-V-Z-and-P-series/How-do-you-reset-the-function-keys-on-a-P500-ideapad-to-legacy/td-p/958995

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• building kernel headers (v3.4) breaks wifi (in Ubuntu 12.04.1 LTS)

  - by iphonedev7

  I have dual-booted by Samsung Series 5 Chromebook into Ubuntu using Jay Lee's script/instructions, and then installed the ~500 updates that appear thereafter. Now, I am trying to build my kernel headers in an attempt to enable virtualization so that I can run VirtualBox (I have a VM image on a flashdrive). I followed the instructions here: https://groups.google.com/forum/?fromgroups=#!topic/chromebook-central/PPQFpC7mYzk mainly doing as olofj suggests in his answer, while also making sure to abide by additions/edits made by panZ and algp. However, now that I have done so, my wifi has stopped working, and when I click on the network icon in the top bar, in place of wifi networks there is a grayed-out message that says "no network devices available". I have an Atheros AR9300 Ethernet card (I think thats what you call it). Any help is much needed and appreciated. Any further details necessary to answer the question will be provided as necessary. Thanks!

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• Disable XF86Back and XF86Forward (back/forward on Lenovo Thinkpad)

  - by Nicolas Raoul

  My Thinkpad R500 has back/forward keys just about the direction keys, so on Firefox I keep losing entered text, accidentally. How to disable these back/forward keys? Excerpt from xev: KeyPress event, serial 29, synthetic NO, window 0x5e00001, root 0xbc, subw 0x0, time 2375874, (1279,794), root:(1285,881), state 0x10, keycode 166 (keysym 0x1008ff26, XF86Back), same_screen YES, XLookupString gives 0 bytes: XmbLookupString gives 0 bytes: XFilterEvent returns: False KeyPress event, serial 32, synthetic NO, window 0x5e00001, root 0xbc, subw 0x0, time 2377115, (1279,794), root:(1285,881), state 0x10, keycode 167 (keysym 0x1008ff27, XF86Forward), same_screen YES, XLookupString gives 0 bytes: XmbLookupString gives 0 bytes: XFilterEvent returns: False

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• dead keys not working in java app

  - by jippie

  The Arduino IDE is based on a java application called processing. While typing text into processing, it refuses to accept any of the characters under dead keys like " ' ^. As a work around I: Open another window (usually my browser or mail client); I type the character I need; Select and copy the character onto my clip board; Copy the character into processing. What do I have to do to make processing accept characters under dead keys? Disabling dead keys is not an option.

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• How do I make Home and End work in PuTTY SSH with fish shell?

  - by endolith

  Years ago, an Ubuntu update broke this and I've never found a solution. I have fish as my default shell. Ubuntu 12.10 Locally (Gnome Terminal), Home and End keys work fine in both fish and bash. When I log in by SSH using PuTTY, then run bash, Home and End work fine inside of bash. However, when I log in by SSH using PuTTY, in the default fish shell, pressing Home key produces [1~ (sometimes erasing the line, sometimes not). When I press End, it produces [4~. How do I get Home and End to work correctly?

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• Wlan connection got lost permanent

  - by chris

  I have a desktop with a fritz usb wlan n tick and tried ubuntu 12.04. installlation is fine and wlan is working, however connection drops permanent. reconnecting manually fixes it but after a few minutes it drops again. it's connected to a vodafone 802 box with wlan n fix set. it seems that it works when i switch off n mode...but i need to test. can someone confirm or is there another solution? i have another machine with 12.04 (hp 625 laptop) running where connection is stable. any help much appreciated. thank chris

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• Missing driver ASUS PCE-N53 11n N600 PCI-E Adapter

  - by oyse

  I have problems with getting an Asus PCE-N53 11n N600 PCI-E Adapter card to work on my desktop computer. As far as I can tell no drivers are installed for the card. I know I can manually download the drivers directly from Asus, but I would rather not go that route. If there are anyone that knows about any packages or other things I can do to make this work would be much appreciated. Some systems details: $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 12.04.1 LTS Release: 12.04 Codename: precise $ sudo lshw -C network *-network description: Ethernet interface product: RTL8111/8168B PCI Express Gigabit Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:03:00.0 logical name: eth0 version: 06 serial: d4:3d:7e:03:b9:1d size: 100Mbit/s capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168e-3_0.0.4 03/27/12 ip=192.168.0.173 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s resources: irq:43 ioport:d000(size=256) memory:f2104000-f2104fff memory:f2100000-f2103fff *-network UNCLAIMED description: Network controller product: Ralink corp. vendor: Ralink corp. physical id: 0 bus info: pci@0000:04:00.0 version: 00 width: 32 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: latency=0 resources: memory:f7100000-f710ffff $ lsmod Module Size Used by nvidia 12319264 51 vesafb 13844 1 snd_hda_codec_hdmi 32474 1 joydev 17693 0 bnep 18281 2 rfcomm 47604 0 bluetooth 180104 10 bnep,rfcomm snd_hda_codec_realtek 224173 1 snd_seq_midi 13324 0 ppdev 17113 0 snd_rawmidi 30748 1 snd_seq_midi usbhid 47199 0 hid 99559 1 usbhid nouveau 774641 0 parport_pc 32866 1 snd_hda_intel 33773 5 ttm 76949 1 nouveau snd_hda_codec 127706 3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel drm_kms_helper 46978 1 nouveau drm 242038 3 nouveau,ttm,drm_kms_helper snd_seq_midi_event 14899 1 snd_seq_midi snd_hwdep 13668 1 snd_hda_codec snd_seq 61896 2 snd_seq_midi,snd_seq_midi_event i2c_algo_bit 13423 1 nouveau mxm_wmi 12979 1 nouveau wmi 19256 1 mxm_wmi mac_hid 13253 0 snd_pcm 97188 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec psmouse 97362 0 video 19596 1 nouveau snd_timer 29990 2 snd_seq,snd_pcm snd_seq_device 14540 3 snd_seq_midi,snd_rawmidi,snd_seq snd 78855 20 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_rawmidi,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq,snd_pcm,snd_timer,snd_seq_device serio_raw 13211 0 soundcore 15091 1 snd snd_page_alloc 18529 2 snd_hda_intel,snd_pcm mei 41616 0 lp 17799 0 parport 46562 3 ppdev,parport_pc,lp r8169 62099 0

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• Why does wifi hotspot doesn't work correctly?

  - by Habi

  I have created the wifi hotspot. In windows, it used to display wifi signal on my nokia C3 but after creating wifi hotspot from ubuntu, I am facing certain problem. Nokia C3 doesn't even gets wifi signal. But wifi signal appears in my samsung mobile GTS3-850 and I can access wifi if I put wifi security option to "none" On the other hand, if I create password then Nomatters, if I type right password or not, it doesn't connect to that wifi. Note : I use Wimax to access internet.

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• Problems connecting to eduroam wifi - ubuntu touch

  - by Fiona Cox

  I am trying to connect to our university's eduroam wi-fi network with my Nexus 4 running Ubuntu touch (utopic latest build), but can't get past the first stage. I wonder if anyone can help please? I am following these instructions (which worked for my iPhone): http://www.st-andrews.ac.uk/itsupport/mobile/eduroam/ But when I go to the bandit.st-andrews.ac.uk/connect page then follow the link to 'eduroam setup' I get the error message: Authorization Required This server could not verify that you are authorised to access the document requested. Either you supplied the wrong credentials (e.g., bad password), or your browser doesn't understand how to supply the credentials required. Apache/2.2.16 (Debian) Server at bandit.st-andrews.ac.uk Port 443 (Clearly it's the latter option (browser) as I haven't been asked for my credentials yet.) Is there a way round this, or am I just not going to be able to connect until further down the Ubuntu touch development road... Thanks!

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• Ubuntu on Thinkpad Edge 11/13/14/15

  - by lasseespeholt

  I think a community wiki on problems (and solutions) when installing Ubuntu (10.10) on a Thinkpad Edge 11 would be nice (because I just got one ;)). I'll contribute with my own problems and solutions, and hope others will join too. Thinkwiki entry for the Edge 11 Known problems: No wifi-driver, solution: answer #1, answer #2 Fan is loud, even though it's on auto. No solution. Thinkfan is a possible solution, but correction values for sensors should be supplied (mapping sensors to specific areas). Also, one sensor is between -100C and +100C - maybe some kind of deactivation would help. FN keys stop working: see below. No sound on headphones: see below.

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• Connection manager detects network but won't connect

  - by Carson Chittom

  I've just installed 12.04 on my home desktop. Because of where it's located, in order not to have my children tripping over cat5 cable, I've got a cheap 802.11n USB device plugged in, which uses a Realtek 8192CU chip. The house wifi is protected with WPA2. Ubuntu's Network Manager detects the network, but connecting to it just times out and asks for the password again. I'm sure I'm using the correct password. No other computers on the house network are having any difficulty. This device previously worked correctly with both Windows 7 and OpenBSD in the same machine. The linux-firmware package is installed (from the disc) at version 1.79, and /lib/firmware/rtlwifi/rtl8192cufw.bin is present. dmesg|grep rtl only shows the "loading firmware" message. I've tried Google, but I apparently can't find the right set of words to plug in, because I haven't found anything related (lots of "doesn't work at all," but nothing matching my circumstances). Any help would be greatly appreciated.

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• USB Wifi that works with 12.04

  - by Colin Matheson

  I have done several hours of searching and I am still looking for a few USB wifi adaptors that run in 12.04 with no additional driver installations or other fiddling. I am looking to plug in the adaptor and have the laptop recognize and start connecting. We have 30 older laptops with flaky internal wifi cards so I thought that if I could find a $10-$20 USB adaptor that work reliably in 12.04 I could plug it in and solve all my connectivity problems for a few hundred dollars.

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• ACER Aspire V5-171 compatibility

  - by JamerTheProgrammer

  Im thinking about buying a V5-171 with an i3 in it. Im worried about secure boot though. I heard some people cant turn it off and it wont work... Im not shy to open it up and replace the hard drive with Ubuntu preinstalled. Im also worried about the wifi working. I have heard its been dropping out for people quite a bit along with also the trackpad not working. I dont mind replacing the wifi stick (if its even possible?) inside. Is the GPU (HD4000 i think) supported in ubuntu with full video accel? Thanks!

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• Ubuntu 12.04 share the internet over WiFi from wvdial?

  - by Sour Lemon

  I have just installed Ubuntu 12.04 on a separate partition on my hard drive so I can dual boot to either Windows 7 or Ubuntu. I am living in Japan and so I'm using a mobile broadband USB device called "Softbank C02LC". By default it seems that this device isn't recognised so I did the following: Terminal: sudo su nano /usr/bin/usbModemScript Nano: #!/bin/bash echo 1c9e 9900 > /sys/bus/usb-serial/drivers/option1/new_id Terminal: chmod +x /usr/bin/usbModemScript nano /etc/udev/rules.d/option.rules Nano: ATTRS{idVendor}=="1c9e", ATTRS{idProduct}=="9900", RUN+="/usr/bin/usbModemScript" ATTRS{idVendor}=="1c9e", ATTRS{idProduct}=="9900", RUN+="/sbin/modprobe option" which made the device visible from the network manager etc. However even though I set up my details correctly when I created a new connection (Correct username, APN etc) as soon as I try to connect it almost immediately disconnects. Because of this I then followed the instructions at this site: http://debugitos.main.jp/index.php?Ubuntu%2F%A5%E2%A5%D0%A5%A4%A5%EB%A5%A4%A5%F3%A5%BF%A1%BC%A5%CD%A5%C3%A5%C8 And I ended up using the c02lc_connect script at the bottom of the page to connect to the internet. The file contains the following bash script: #!/bin/sh usbinterfece=/dev/ttyUSB2 VID=1c9e PID=9900 WRONG_PID=f000 LSUSB=/usr/sbin/lsusb GREP=/bin/grep MODPROBE=/sbin/modprobe SWITCH=/usr/sbin/usb_modeswitch SWITCH_D=/etc/usb_modeswitch.d WVDIAL=/usr/bin/wvdial SLEEP=/bin/sleep SUDO=/usr/bin/sudo WHICH=/usr/bin/which switch_config="$SWITCH_D/$VID:$WRONG_PID" if ! [ -x $WVDIAL -a -x $SWITCH ]; then echo "Install wvdial and usb_modeswitch." exit 0 fi check_usb() { local vid="$1" local pid="$2" ($LSUSB | $GREP "$vid:$pid") } if ! (check_usb "$VID" "$PID"); then echo "Cannot find modem device..." if (check_usb "$VID" "$WRONG_PID") && ( [ -f "$switch_config" ] ); then echo "The device is attached but its mode is wrong." echo "Try usb_modeswitch..." $SUDO $SWITCH -c "$switch_config" $SLEEP 1 if (check_usb "$VID" "$PID"); then echo "Successfully switched the mode." else echo "Failed to switch the mode..." exit 1 fi else exit 1 fi fi if [ ! -c "$usbinterface" ]; then $SUDO $MODPROBE usbserial vendor=0x$VID product=0x$PID $SLEEP 2 fi $SUDO $WVDIAL which works completely fine - no problems what-so-ever. But we also have 1 more laptop here which I need to share the internet connection with. In Windows 7 I do this with the Connectify program, and in Ubuntu I have seen that you can do things like set up hotspots etc. But because I am using WvDial I am not sure how I would share the internet. I am only beginning to use Ubuntu but unfortunately until I can figure out how to share the internet over WiFi when connected via WvDial I have to stick with Windows. If you have any ideas on how to do this it would be much appreciated!

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• Why does pasting sometimes not work in gnome-terminal?

  - by Matthew

  Ctrl + Shift + C and Ctrl + Shift + V are supposed to replace the normal Ctrl + C and Ctrl + V in gnome-terminal. Sometimes they work, but usually they have no effect. What are some potential reasons for this? I'm not sure what other information to give. Edit: It seems that manually selecting Paste from the Edit menu does not work either. Right click > Paste works, but Edit > Paste does not. Copying works, but pasting does not. Also, I have vi-mode enabled (set -o vi in my ~/.bashrc). Could this have something to do with it? Edit: Here is a video demonstrating the problem. I used Screenkey (in "raw" mode, to catch "shift") to show what keys I am pressing.

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• iwconfig usage for WEP access point?

  - by johan elmander

  I would like to use my wifi doggle in my pc (ubuntu 12.04). I am able to connect to my access point through the GUI. I would like to do the same in the terminal. My access point uses WEP. So I typed the following commands iwconfig wlan0 mode managed key 6d6f6e6579 iwconfig wlan0 essid "AccessPoint" dhclient wlan0 after typing dhclient wlan0 it waits like 1-2 min then outputs nothing and cannot connect to the Access Point. iwconfig output: wlan0 IEEE 802.11bgn ESSID:"AccessPoint" Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm Retry long timit:7 RTS thr=2347 B Fragment thr:off Encryption key:6D6F-6E65-79 Power Management:off I would appreciate any suggestion

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• Ubuntu Server SHH backspace Bad Character

  - by Edwin Lunando

  so while while I'm using SSH to connect my server the backspace shows me bad character. The backspace is the one with question mark. The backspace itself works normally, but in the screen, it wasn't very neat to look stacking question mark. This is the example. The square-bracketed question mark means backspace. cat[?] output: ca: not found cat[?][?] output: c:not found cat[?][?][?] output: nothing, because it simple delete the 3 character. Please help. Thank you.

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