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• USB Keyboard works occasionally

  - by palimmo

  A few days ago I bought a SL640 Hama USB keyboard to use on my laptop with Ubuntu 12.04. But I'm having problems, as it works one time out of 10! While on my girlfriend's laptop, with Win Vista, always works. And on my laptop I have Win7 in dual boot. And I have to say that it always works on it. Here are some infos: ~$ lsusb Bus 006 Device 003: ID 04d9:1503 Holtek Semiconductor, Inc. Shortboard Lefty As you can see, the OS recognized it but the keyboard doesn't react ... even the Caps Lock and Num Lock keys don't blink. Regarding the legacy support (useful for GRUB), I have found no entry in the BIOS. But I'm not interested in it. I just want to use it in Ubuntu. However, in GRUB it works sometimes. Surprisingly, now I have booted my laptop: the usb keyboard hasn't worked in GRUB but it has worked since the ubuntu login! And now I'm typing with it. Well.. it means that Ubuntu has the right drivers and they work. But how to "load" them always correctly? thanks in advance!

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• Librated error when creating partition table

  - by Marko

  I bought a Dell Inspiron 5521 laptop a few days ago that came with Ubuntu preinstalled. I haven't used Ubuntu yet, and I don't have any experience in using it. I wanted to install Windows 7 64-bit on my laptop alongside Ubuntu, and made two bootable USB drives with Gparted and Windows 7. There wasn't a suitable partition on my laptop in which I could install Windows 7. I've read the instructions for using Gparted to create or manage my hard drive. I inserted the USB, booted from BIOS, and followed the procedure in installing Gparted. Then I entered Gparted, and the following error occurred: Librated error when Creating partition table. It asked me to click on either OK or Cancel. Either way I had my hard disk shown to me in the user window, in partitions that were made by the manufacturer: Partition File sys Label Size Flags /dev/sda1 fat32 dellutility 300.00 Mib diag /dev/sda2 fat32 os 3.00 Gib lba /dev/sda3 ext4 912.46 Gib boot /dev/sda4 extended 15.75 Gib (had a subpart) /dev/sda5 linux-swap 15.75 Gib ...and a option to switch to dev/sdb that's unused and of capacity 3Gib. I've used the biggest partition 912.46 Gib, and tried to reduce its size, and clicked OK. Then when I tried to make a new partition, it said it can't make any more partitions, no more than a maximum of 5. I would like to keep Ubuntu and slowly learn, but I also need to use programs that work in Windows. Thank you for taking the time to answer my question.

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• Context switches much slower in new linux kernels

  - by Michael Goldshteyn

  We are looking to upgrade the OS on our servers from Ubuntu 10.04 LTS to Ubuntu 12.04 LTS. Unfortunately, it seems that the latency to run a thread that has become runnable has significantly increased from the 2.6 kernel to the 3.2 kernel. In fact the latency numbers we are getting are hard to believe. Let me be more specific about the test. We have a program that has two threads. The first thread gets the current time (in ticks using RDTSC) and then signals a condition variable once a second. The second thread waits on the condition variable and wakes up when it is signaled. It then gets the current time (in ticks using RDTSC). The difference between the time in the second thread and the time in the first thread is computed and displayed on the console. After this the second thread waits on the condition variable once more. So, we get a thread to thread signaling latency measurement once a second as a result. In linux 2.6.32, this latency is somewhere on the order of 2.8-3.5 us, which is reasonable. In linux 3.2.0, this latency is somewhere on the order of 40-100 us. I have excluded any differences in hardware between the two host hosts. They run on identical hardware (dual socket X5687 {Westmere-EP} processors running at 3.6 GHz with hyperthreading, speedstep and all C states turned off). We are changing the affinity to run both threads on physical cores of the same socket (i.e., the first thread is run on Core 0 and the second thread is run on Core 1), so there is no bouncing of threads on cores or bouncing/communication between sockets. The only difference between the two hosts is that one is running Ubuntu 10.04 LTS with kernel 2.6.32-28 (the fast context switch box) and the other is running the latest Ubuntu 12.04 LTS with kernel 3.2.0-23 (the slow context switch box). Have there been any changes in the kernel that could account for this ridiculous slow down in how long it takes for a thread to be scheduled to run?

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• Accidentally Changed Dual Monitor Setup and don't know how to reset it

  - by user203783

  I have a dual monitor setup with my laptop and an external Asus monitor running under Ubuntu 11.10. When I first started using Ubuntu, it synced both screens. What showed up on my laptop showed up on my eternal monitor. Last night, I accidentally knocked the HDMI cable from its port (not that unusual in the tight space I work in). When I plugged it back in, as usual, the external monitor only displayed my wallpaper. Usually, I just restart Ubuntu and it resets, but last night what I now realize was the display console came up and somehow I changed the setup. Now the two screens show different jobs so to speak. Also, the external monitor doesn't display the ribbon, making switching between Firefox tabs and windows or apps jarring. I write for a living and need to quickly check bits of research, notes or sources while writing and the extra switching between mouse pad and external mouse to get one or the other screen to respond interrupts my work flow. The only technical help I can offer is when the display console popped up, the graphical representation of the screens was that the external screen appeared layered over by about one-quarter of the laptop screen. Again, these were icons. I tried to replicate that after I obviously screwed things up. If someone could help. I would appreciate it. If I have to use terminal, that's fine. I started using computers for writing back when they were green DOS prompts. There's a certain elegance to prompt commands to me. Maybe it's the writer in me. Again, if anyone can help me return my screens to sync under Ubuntu 11.10, I would greatly appreciate it.

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• My feenix nascita mouse isn't moving my cursor. Ubuntu version appears to not matter. How do I debug this, and get the mouse working?

  - by NullVoxPopuli

  I had 13.04, upgraded to 13.10, and did a fresh install of 13.10, no luck. Any ideas? Just tail -f'd my syslog and plugged in the mouse. here is what I got: Oct 26 16:15:50 Orithyia kernel: [83369.618365] usb 1-1.5.2: new full-speed USB device number 6 using ehci-pci Oct 26 16:15:50 Orithyia kernel: [83369.718913] usb 1-1.5.2: New USB device found, idVendor=04d9, idProduct=a081 Oct 26 16:15:50 Orithyia kernel: [83369.718919] usb 1-1.5.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 Oct 26 16:15:50 Orithyia kernel: [83369.718921] usb 1-1.5.2: Product: USB Gaming Mouse Oct 26 16:15:50 Orithyia kernel: [83369.718924] usb 1-1.5.2: Manufacturer: Holtek Oct 26 16:15:50 Orithyia kernel: [83369.722486] input: Holtek USB Gaming Mouse as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.5/1-1.5.2/1-1.5.2:1.0/input/input13 Oct 26 16:15:50 Orithyia kernel: [83369.722786] hid-generic 0003:04D9:A081.0004: input,hidraw3: USB HID v1.10 Keyboard [Holtek USB Gaming Mouse] on usb-0000:00:1a.0-1.5.2/input0 Oct 26 16:15:50 Orithyia kernel: [83369.729362] hid-generic 0003:04D9:A081.0005: usage index exceeded Oct 26 16:15:50 Orithyia kernel: [83369.729366] hid-generic 0003:04D9:A081.0005: item 0 2 2 2 parsing failed Oct 26 16:15:50 Orithyia kernel: [83369.729379] hid-generic: probe of 0003:04D9:A081.0005 failed with error -22 Oct 26 16:15:50 Orithyia kernel: [83369.731759] hid-generic 0003:04D9:A081.0006: hiddev0,hidraw4: USB HID v1.10 Device [Holtek USB Gaming Mouse] on usb-0000:00:1a.0-1.5.2/input2 Oct 26 16:15:50 Orithyia mtp-probe: checking bus 1, device 6: "/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.5/1-1.5.2" Oct 26 16:15:50 Orithyia mtp-probe: bus: 1, device: 6 was not an MTP device So, I see it did see it is a mouse... but the cursor doesn't move when I move the mouse. Not sure where to debug from here.

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• Install Problems on ASUS X401A Notebook

  - by tired_of_trying

  okay... I tried many approaches to install Ubuntu 12.xxx on my new Asus notebook with varying degrees of failure... First: I'm not a newbie but I'm as frustrated as one! Install background: Install from USB DVD drive: The install went well. Re-booted machine. choose ubuntu and it errors with a MBR file error (can't remember the exact wording - something to do with missing the file. Choosing to boot W7 works fine. Install from USB Stick: Couldn't get machine to recognize the .iso Install into Oracle's Vbox: Got the boot splash screen, then hangs with a zillion errors. Note: I didn't have any problems installing ubuntu in Vbox on my iMac and it run's great. Installed using wubi: Installed fine but get errors when booting ubuntu (it doesn't find the needed wubi files). I downloaded to the C: drive and tried installing from there - no luck. For kicks: I tried running Slax Linux .iso from a USB stick and it runs fine. Some Questions: Did I use the correct .iso? (I tried 12.04.0 and 12.04.1 both 32 and 64 bit versions. I simply downloaded them from the download link and didn't use/look for an alternate version. Do I need to do something special when burning the .iso to disc? What? I did read tons of posts but, no luck with finding the solution. Any help is appreciated... thanks

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• Cannot connect to Internet via Wifi

  - by lvogel

  I have a laptop that's currently configured as a dual-boot. The problem: I cannot connect to the Internet in the home wireless network through Ubuntu in the apartment where I currently live. The strange part: I can connect to it just fine through Windows (as right now), and I can use the Internet through Ubuntu on this computer with all the other wireless networks I have tried. The problem is only with this particular combination. The only possible explanations I can think of are either that this network is WPS, or that it's a driver problem--Vodafone router. The router 'sees' the computer--and it says it's connected; however, I keep getting prompted for a password, and I enter the key that works with Windows, but in Ubuntu it just keeps asking for it repeatedly, and I can't access the Internet. I don't have an ethernet cable at the moment, but if someone would be so kind as to ask me questions I will gladly answer, and if you have suggestions, I will do them--the only thing is, I am subletting this apartment from someone who is away on vacation, so I don't want to screw with the router settings unless I know what I'm doing! - I do not have Wicd - Yes, I have the router's information (key works in Windows) - Feedback of lshw says that the wireless card is Ultimate N Wifi Link 5300, vendor: Intel Corporation, physical id: 0 ,etc. The first two commands I was told to try work OK, but when I typed sudo ifconfig wlan0 essid ..... I got back 'essid: Unknown host' Would my question be better on the Ubuntu forums than here on AU?

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• How to recover lost files after an install

  - by Gentry McColm

  I'm a newbie learning along the way. I recently installed a 2nd hdd into my ubuntu box. Have one of about 160g which runs ubuntu 12.04. And the new hdd was 1 tb, used for holding videos. I had set up 2nd drive as ext3 I believe. And set up folders on it to hold the videos. Worked great. Also thought I had set it up for auto mount. I was able to read and write on it. Etc. Computer froze, so had to reboot it. When I did, system would not reboot: hung on the Ubuntu screen with 5 dots. I hit a few buttons and the command screen showed up, indicating that my 2nd hdd would not mount. Stopped up whole system. Tried rebooting, no go. Had to reinstall ubuntu on the 1st hdd. Did not apparently touch the 2nd one. Well, when I got it up and running, my 2nd hdd mounted automatically (yeah!), but now I cannot find my videos I already had on it. I had not put any more than about 30g of videos on it, but now when I read its Properties, it says I'm using about 50g. So, I'm wondering if somewhere in that, buried, are my 17 videos. Any help in recovering this? Thanks!

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• trying to upgrade memory

  - by user214876

  I've been using Ubuntu on my laptop for awhile now. Not quite used to it yet. I've got a Acer Aspire with an orig 4 gig mem/500 gig HDD. Running 12.04 presently 32 bit sys. I have the 13.04 upgrade disc and want to upgrade my memory to 8 Gig. Everytime I install the 8 gig memory, the system won't boot to either version. I downloaded the 64 bit version of both versions of Ubuntu but no results yet. Can anyone offer a suggestion here? I'm kinda lost. Additional Information: The memory was purchased through Acer/Kingston. Recommended for this computer. I watched the video on installing it, so I doubt it's installed wrong. (There's only one way of putting it in). I swapped Op Sys, from Ubuntu 12.04 to 13.04 to 13.10 and now to Xubuntu 13.10 64 bit version. I'm still not having any luck with this upgrade. Would it be necessary to upgrade the CPU? It's just a thought, I don't know what else could keep me from utilizing the new memory. Additional Information: Called Kingston this afternoon, they are sending replacement lower density memory modules 2/4 gig - 8 gig. Tech service says I need to upgrade BIOS to utilize new memory install VIA Dos since it is no longer a windows system. I'm not sure how to go about that but it's a learning process I can live with. Thank you all for your help/support. I realize this isn't a Ubuntu problem but each new user of this op sys, seems to share simular problems and maybe someone can use this info to their advantage.

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• Very slow wireless connection (unrelated to power management) using Netgear N150 WNA1100 in 12.04

  - by vgaldikas

  I am using a Netgear N150 WNA1100 USB Adapter. The network driver is: ath9k_htc. When I use Ubuntu 12.04 my wireless connection is much slower than when I use the WNA1100 with my Windows 7 installation on the same machine. I have been researching this and the most common reason for this seems to be related to power management. However for me this is off by default. I had entered a bunch of different commands and, at one stage, I got it to work at full power. But then I rebooted the machine and it went back to slow again. After entering the different commands I was afraid that I may have messed something up, so I performed a fresh install of Ubuntu. I still have the same problem. My wireless connection is still much slower when using Ubuntu than when using Windows 7. I am not sure what other info could help... EDIT: Ok, I have made live usb from the iso file I used to install Ubuntu on this pc, and ran it on my laptop. Still the same problem. However la[top works grand on cable. I suppose this means that my wireless adapter or network driver can be eliminated as root of the problem.. So maybe to do with router itself? I use ZyXEL P-660HW-D1

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• After tarball restore my PC (tar xvfpz backup.tgz -C /), my sound card and network are not working. How to detect?

  - by axton hunger

  1 . I have a old laptop I installed Ubuntu 12.04 on. (It was ACER) 2 . I booted into single user mode and backed it up via cd / sudo -i tar cvpzf backup.tgz --exclude=/proc --exclude=/dev --exclude=/lost+found --exclude=/backup.tgz --exclude=/mnt --exclude=/sys / 3 . I installed a fresh copy of Ubuntu 1204 on my new laptop (It is Dell) 4 . I boot into single user mode 5 . I backup the existing /boot directory 6 . I untar my backup to restore on to the Dell sudo tar xvfpz backup.tgz -C / 7 . I restore the previous /boot directory again 8 . I boot it up, and my profile and settings are loaded ok but, Ubuntu shows that there is no Sound Card.. I cannot use unity to drag and change volume. I noticed that the network card also doesnt work. ** How do you make ubuntu recognize changed hardware, if the hardware is already configured for a different laptop? Does anyone know?**

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• SSH with authorized_keys to an Ubuntu system with encrypted homedir?

  - by Josh

  I recently set up a new server with Ubuntu karmic 9.10, and when I created my home directory I chose to make it encrypted. Now, after loading my authorized_keys file into ~/.ssh, it isn't recognized because my home directory isn't decrypted until after I log in. Is there a way to make SSH keys work with encrypted home directories under Ubuntu?

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• Will Bitlocker make it impossible to read my files from my dual booting Ubuntu OS?

  - by Andrew Arnott

  When I activate BitLocker, I imagine that will make it impossible to read any files on my Windows partition from my Ubuntu installation. Is that correct? Any way to not encrypt certain directories so I can access them from Ubuntu?

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• How to serve static files for multiple Django projects via nginx to same domain

  - by thanley

  I am trying to setup my nginx conf so that I can serve the relevant files for my multiple Django projects. Ultimately I want each app to be available at www.example.com/app1, www.example.com/app2 etc. They all serve static files from a 'static-files' directory located in their respective project root. The project structure: Home Ubuntu Web www.example.com ref logs app app1 app1 static bower_components templatetags app1_project templates static-files app2 app2 static templates templatetags app2_project static-files app3 tests templates static-files static app3_project app3 venv When I use the conf below, there are no problems for serving the static-files for the app that I designate in the /static/ location. I can also access the different apps found at their locations. However, I cannot figure out how to serve all of the static files for all the apps at the same time. I have looked into using the 'try_files' command for the static location, but cannot figure out how to see if it is working or not. Nginx Conf - Only serving static files for one app: server { listen 80; server_name example.com; server_name www.example.com; access_log /home/ubuntu/web/www.example.com/logs/access.log; error_log /home/ubuntu/web/www.example.com/logs/error.log; root /home/ubuntu/web/www.example.com/; location /static/ { alias /home/ubuntu/web/www.example.com/app/app1/static-files/; } location /media/ { alias /home/ubuntu/web/www.example.com/media/; } location /app1/ { include uwsgi_params; uwsgi_param SCRIPT_NAME /app1; uwsgi_modifier1 30; uwsgi_pass unix:///home/ubuntu/web/www.example.com/app1.sock; } location /app2/ { include uwsgi_params; uwsgi_param SCRIPT_NAME /app2; uwsgi_modifier1 30; uwsgi_pass unix:///home/ubuntu/web/www.example.com/app2.sock; } location /app3/ { include uwsgi_params; uwsgi_param SCRIPT_NAME /app3; uwsgi_modifier1 30; uwsgi_pass unix:///home/ubuntu/web/www.example.com/app3.sock; } # what to serve if upstream is not available or crashes error_page 400 /static/400.html; error_page 403 /static/403.html; error_page 404 /static/404.html; error_page 500 502 503 504 /static/500.html; # Compression gzip on; gzip_http_version 1.0; gzip_comp_level 5; gzip_proxied any; gzip_min_length 1100; gzip_buffers 16 8k; gzip_types text/plain text/css application/x-javascript text/xml application/xml application/xml+rss text/javascript; # Some version of IE 6 don't handle compression well on some mime-types, # so just disable for them gzip_disable "MSIE [1-6].(?!.*SV1)"; # Set a vary header so downstream proxies don't send cached gzipped # content to IE6 gzip_vary on; } Essentially I want to have something like (I know this won't work) location /static/ { alias /home/ubuntu/web/www.example.com/app/app1/static-files/; alias /home/ubuntu/web/www.example.com/app/app2/static-files/; alias /home/ubuntu/web/www.example.com/app/app3/static-files/; } or (where it can serve the static files based on the uri) location /static/ { try_files $uri $uri/ =404; } So basically, if I use try_files like above, is the problem in my project directory structure? Or am I totally off base on this and I need to put each app in a subdomain instead of going this route? Thanks for any suggestions TLDR: I want to go to: www.example.com/APP_NAME_HERE And have nginx serve the static location: /home/ubuntu/web/www.example.com/app/APP_NAME_HERE/static-files/;

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• Unable to make properly work the Ralink rt3090 wifi card on my Lenovo B575 with Kubuntu 12.04 64bit

  - by Sebastien

  I look and tried many solution from many thread but I still unable to make this wifi card work properly (very slow, unable to connect to some wifi spot, etc.). I tried to compile the driver from the ralink website but it doesn't work. Tried to blacklist many mod, withou any result. So here are some command results, hope their help you help me: lspci sebastien@sebastien-portable:~$ lspci 00:00.0 Host bridge: Advanced Micro Devices [AMD] Family 14h Processor Root Complex 00:01.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Wrestler [Radeon HD 6310] 00:01.1 Audio device: Advanced Micro Devices [AMD] nee ATI Wrestler HDMI Audio [Radeon HD 6250/6310] 00:11.0 SATA controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode] 00:12.0 USB controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB OHCI0 Controller 00:12.2 USB controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB EHCI Controller 00:13.0 USB controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB OHCI0 Controller 00:13.2 USB controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB EHCI Controller 00:14.0 SMBus: Advanced Micro Devices [AMD] nee ATI SBx00 SMBus Controller (rev 42) 00:14.2 Audio device: Advanced Micro Devices [AMD] nee ATI SBx00 Azalia (Intel HDA) (rev 40) 00:14.3 ISA bridge: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 LPC host controller (rev 40) 00:14.4 PCI bridge: Advanced Micro Devices [AMD] nee ATI SBx00 PCI to PCI Bridge (rev 40) 00:14.5 USB controller: Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB OHCI2 Controller 00:15.0 PCI bridge: Advanced Micro Devices [AMD] nee ATI SB700/SB800/SB900 PCI to PCI bridge (PCIE port 0) 00:15.2 PCI bridge: Advanced Micro Devices [AMD] nee ATI SB900 PCI to PCI bridge (PCIE port 2) 00:18.0 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 0 (rev 43) 00:18.1 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 1 00:18.2 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 2 00:18.3 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 3 00:18.4 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 4 00:18.5 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 6 00:18.6 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 5 00:18.7 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 7 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 06) 03:00.0 Network controller: Ralink corp. RT3090 Wireless 802.11n 1T/1R PCIe lsmod sebastien@sebastien-portable:~$ lsmod Module Size Used by rt2800pci 18715 0 arc4 12529 2 rt2800lib 58925 1 rt2800pci crc_ccitt 12667 1 rt2800lib rt2x00pci 14577 1 rt2800pci rt2x00lib 55301 3 rt2800pci,rt2800lib,rt2x00pci mac80211 506816 3 rt2800lib,rt2x00pci,rt2x00lib cfg80211 205544 2 rt2x00lib,mac80211 eeprom_93cx6 12725 1 rt2800pci rt2860sta 864748 0 snd_hda_codec_conexant 62128 1 snd_hda_codec_hdmi 32474 1 uvcvideo 72627 0 rts5139 351143 0 snd_hda_intel 33773 4 videodev 98259 1 uvcvideo snd_hda_codec 127706 3 snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_intel snd_hwdep 13668 1 snd_hda_codec psmouse 87692 0 v4l2_compat_ioctl32 17128 1 videodev serio_raw 13211 0 k10temp 13166 0 snd_pcm 97188 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec sp5100_tco 13791 0 i2c_piix4 13301 0 snd_seq_midi 13324 0 snd_rawmidi 30748 1 snd_seq_midi ideapad_laptop 18234 0 sparse_keymap 13890 1 ideapad_laptop rfcomm 47604 0 joydev 17693 0 snd_seq_midi_event 14899 1 snd_seq_midi bnep 18281 2 bluetooth 180104 10 rfcomm,bnep parport_pc 32866 0 ppdev 17113 0 snd_seq 61896 2 snd_seq_midi,snd_seq_midi_event snd_timer 29990 2 snd_pcm,snd_seq snd_seq_device 14540 3 snd_seq_midi,snd_rawmidi,snd_seq snd 78855 18 snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device soundcore 15091 1 snd mac_hid 13253 0 snd_page_alloc 18529 2 snd_hda_intel,snd_pcm lp 17799 0 parport 46562 3 parport_pc,ppdev,lp usbhid 47199 0 hid 99559 1 usbhid r8169 62099 0 radeon 804372 4 video 19596 0 wmi 19256 0 ttm 76949 1 radeon drm_kms_helper 46978 1 radeon drm 242038 6 radeon,ttm,drm_kms_helper i2c_algo_bit 13423 1 radeon iwconfig sebastien@sebastien-portable:~$ iwconfig lo no wireless extensions. wlan0 IEEE 802.11bgn ESSID:"4CE6763F0E0A" Mode:Managed Frequency:2.452 GHz Access Point: 4C:E6:76:3F:0E:0A Bit Rate=54 Mb/s Tx-Power=20 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=70/70 Signal level=-39 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:100 Missed beacon:0 eth0 no wireless extensions.

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• HP Compaq 2510p wireless disabled by hardware switch

  - by mylovelyhorse

  I have an HP Compaq 2510p laptop running ubuntu 12.04 LTS. ubuntu reports that wireless is disabled by means of a hardware switch. There is a 'soft-key' button on the laptop to control the physical wireless hardware but this does not respond. There is no other button, slider, (fn)+ combination to control the physical wireless hardware. There is no BIOS function to disable wireless (and on XP - previous OS - wireless functioned fine). mike@ubuntu:~$ rfkill list all 0: brcmwl-0: Wireless LAN Soft blocked: no Hard blocked: yes 1: hp-wifi: Wireless LAN Soft blocked: no Hard blocked: no Running rfkill unblock all doesn't change things and I can see no way to change use from 0: to 1: (if that's even possible - or desirable - in the first place). I have checked for additional drivers and the Broadcom proprietary wireless driver is already installed and has a green light. Essentially, I believe I need to make the HP 'soft-keys' work - or at least the wireless card toggle. Advice gratefully received. Cheers M

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• Installing gflags 12.04

  - by Ritwik G

  I want to install libgflags-dev. According to this launchpad link, it is present in the ubuntu repositories : https://launchpad.net/ubuntu/+source/gflags and http://packages.ubuntu.com/raring/libdevel/libgflags-dev But when i try to sudo apt-get install it, I get E: Unable to locate package libgflags-dev Why is this happening ? I have all multiverse and universe enabled from software center. How to install it from apt-get ? P.S. I know i can simply download the binary and make install it, but I want to know how to do this from apt-get.

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• Dell Inspiron 14z laptop vs Dell inspiron 14z ultrabook

  - by Jaspreet

  Just wanted to know if both of these are fully compatible with Ubuntu? If only specific versions of Ubuntu are compatible, then which ones? http://www.dell.com/ca/p/inspiron-14z-5423/pd http://www.dell.com/ca/p/inspiron-n411z/pd Matters I am more concerned about are: 1) Affect on battery life for both? 2) Dual boot without the need to re-install Windows (don't want to use pirated copy) on a separate partition? I can definitely re-partition using partition Magic/EaseUS. 3) Also, I would not prefer keeping my OS's on SSD (in case of 14z ultra-book) It would be a great help, as I am considering to buy one of these with prime reason of Ubuntu.

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• How to use integrated Intel graphics instead of Nvidia graphics on MacBook Pro?

  - by Benjamin Geese

  I am running Ubuntu 12.04 64bit on MacBook Pro 15" 2010 (MacBookPro6,2) and I would like to use the integrated Intel graphics instead of the dedicated Nvidia graphics Ubuntu boots with on this machine. I am booting with UEFI, not REFIT or similar. I managed to switch to UEFI with the help of this page. This wiki page also contains tips on switching to Intel graphics which include some (for me) cryptic boot commands to grub. However if I follow the guide, my display stays just black. Currently, I am only looking for solution to use Intel graphics for Ubuntu to save power and keep my MacBook cool. Dynamic switching or stuff like that is not required.

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• Problems with graphics of Sony Vaio Z

  - by dpcat237

  Hello, I have problem with my Sony Vaio Z VPCZ1. It has physical selector of GPUs which Linux kernel not detect. So after GRUB I see black display (I tried different distributions of Ubuntu and other Linux OS). I read in Ubuntu 10.10 was solve same problem with hybrid graphics but not in my case ^^ I found solutions (not easy at do) for oldest models. But I'm not expert in Linux and before I prefer ask people with more experience. Somebody can help me? Someone installed Ubuntu in same laptop? PS. for more information I found different webs: http://goo.gl/ktvq Thanks Regards

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• Error during update 'Unable to connect to 192.168.43.1:8000'

  - by Alex R

  When I tried to update my Ubuntu through the update manager I received an error about some unknown resource. so i tried doing it from the terminal with sudo apt-get update but all I got is: 0% [Connecting to 192.168.43.1 repeating itself... and when I press Enter it shows: W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/precise-security/universe/i18n/Translation-en Unable to connect to 192.168.43.1:8000: E: Some index files failed to download. They have been ignored, or old ones used instead. How can I get this to work?

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• How do you uninstall wine 1.5?

  - by jeff

  I installed Wine through the terminal using these commands: sudo add-apt-repository ppa:ubuntu-wine/ppa sudo apt-get update sudo apt-get install wine1.5 I know that I've removed at least part of wine. I removed the .wine folder in my home folder and I managed to remove the repository via this command: sudo apt-add-repository --remove ppa:ubuntu-wine/ppa Now when I try to install wine 1.4 via Ubuntu software center, it tells me I must remove these items to install wine: Microsoft windows compatibility layer (binary emulator and library) wine1.5 Microsoft windows compatibility layer (64-bit support) wine1.5-amd64 Microsoft windows compatibility layer (32-bit support) wine1.5-i386:i386 I've already tried this command: sudo apt-get --purge remove wine but it said that wine wasn't installed. Some assistance would be appreciated.

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• What different desktop environments and shells are available?

  - by Amith KK

  This question exists as it fills a specific criterion. While you are encouraged to help maintain its answers, please understand that "big list" questions are not generally allowed on Ask Ubuntu and will likely be closed per the FAQ. More information on the software-recommendation tag. What different desktop environments or shells are there for Ubuntu users to install? Please list one desktop environment or shell per post with: a description on why you like or suggest it (features, performance, etc.), a good screenshot, preferably of it running on Ubuntu and showing off some of its features, the minimal requirements required for it to be usable some instructions on how to set it up.

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• MacBook Pro Compatibility, Multitouch, and General Experience

  - by jondavidjohn

  I am a Ex-Ubuntu user and decided to go to OSX mainly because I was going to be working in an OSX shop and felt like I needed a more mainstream OS to run Production level software packages like Adobe. 6 months in, and I am more than happy with my MacBook Pro purchase. Just the physical build quality alone warrants the premium price tag, but I am now looking at my day to day demands and realize that I really do not use any software that prevents me from turning back to Ubuntu. My question now is, in terms of 2010 MacBook Pro, How is the hardware compatibility? Does the trackpad multitouch gesture work with 10.10? is it oversensitive? And for anyone that has a relatively new macbook pro that is running Ubuntu, How is the general experience coming from an OSX environment?

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• Mouse and Keyboard Freeze

  - by Kev

  I installed Ubuntu 10.10 today and have had mouse problem since. Symptoms: At some arbitrary point in time (frequency: 2-3 times per hour), the mouse and keyboard stops working for ever(may be). I start System monitor, I found out network was shutdown just before mouse freeze. Some time my keyboard keep typing one key. For example:77777777777777777777777777777777777777777777777777777.....(it keep typing for 20 sec) I found out a script just solve the freeze problem:(I hit Powerbutton) -----------------/etc/acpi/powerbtn.sh------------------------ event=button[ /]power action=/usr/sbin/fix_mouse.sh -----------------/usr/sbin/fix_mouse.sh------------------------ rmmod psmouse modprobe psmouse Yesterday I install Ubuntu 10.04 FAILED also have mouse problem. When I switch back to Windows XP. The network card is down. It kept connecting and disconnecting 1 time per sec. CPU: i5 Motherboard: ASUS P7P55D OS: Windows XP + Ubuntu 10.10 Video Card: ATI 5770 Mouse,Keyboard: PS/2

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