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• How to Follow a Twitter Feed in Your RSS Reader

  - by Lori Kaufman

  You probably have an RSS reader you really like and several feeds you follow. We encountered a situation recently where we had a Twitter feed for free eBooks (HundredZeros), but no RSS feed on the website and no RSS button on the Twitter feed. NOTE: See our recent article about HundredZeros for more information about it. We wanted to add the Twitter feed for HundredZeros (https://twitter.com/#!/HundredZeros) to our RSS reader so all our feeds are available in a centralized place. However, you can’t simply paste the URL for the Twitter feed into your RSS reader. You must determine the ID for the Twitter name first. There is a site, called TwIDder, that allows you to convert from a Twitter username to the corresponding ID and from an ID to a Twitter username. Go to the following URL: How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? HTG Explains: What Is Windows RT and What Does It Mean To Me?

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• Just updated, after reboot my computer won't start up again

  - by Alex

  I have a macbook that I use on occasion which dual boots Ubuntu and OSX (It has rEFIt installed). I turned it on for the first time in a while and it needed a bunch of updates. So I let it run, and restarted it when it asked. When it was booting up, it got stuck at a light blue screen. There was nothing on the screen to indicate that it was doing anything - I figured it just got stuck or something, so I turned it off and back on. (I suspect now it was actually working, but I had no indication that it hadn't just frozen) Now I can't access either OSX or my Ubuntu partition. When I choose ubuntu on the rEFIt menu, it shows "No bootable device -- insert book disk and press key". If I try to start up OSX is looks like it starts loading, but instead of an apple logo there's a crossed out circle icon.

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• korgac - init.d kill script on shutdown

  - by Max Magnus

  I'm new to Ubuntu 12.04 and Linux and my English is not the best, so I'm sorry for incorrect or stupid questions. I've installed KOrganizer and to start the reminder when I boot the system, I added the korgac command to the autostart. This works fine. But now, every time I want to reboot or shutdown my system, there appears a message that tells me that an unknown process is still running... so I have kill it manually before reboot/shutdown. I knew that it is the korgac process that causes this problem, so I decided to create an init.d script. I've created a script, put it into init.d, and created 2 symbolic links: to rc0.d and to rc6.d. The name starts with K10script... (I hope it is correct so). K10korgac_kill: #! /bin/sh pkill korgac exit 0 Unfortunately this wasn't able to resolve my problem. Maybe my script is wrong. I hope someone can help me. Thanks for your time Max

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• Where do I have to paste an "xinput" command so that it executes it when GNOME is started?

  - by michuk

  On my Thinkpad I need to execute something like this in the terminal: xinput set-int-prop "TPPS/2 IBM TrackPoint" "Evdev Middle Button Emulation" 8 1 so that my the 2 buttons on my touchpad emulate the middle mouse click. Now I need this line to be executed each time I start GNOMe or X or whatever, so that it "just works". I tried ~/.xsession or ~/.bashrc but to no avail. Should I put it in GNOME start scripts or in /etc/X somewhere? I'm using Ubuntu 11.10.

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• dpkg is locked error even after a reboot

  - by blade19899

  I get a dpkg is locked error even after a reboot??? i can't do any apt-get related commands E: Could not lock /var/lib/apt/lists/lock is not available - open (11:Resource is temporarily unavailable) E: The directory /var/lib/apt/lists/ not lock E: Could not lock /var/lib/dpkg/lock is not available - open (11: Resource is temporarily unavailable) E: Can beheersmap (/var/lib/dpkg/) not lock. Is it in use by another process? (dutch ubuntu above err code has been translated with Google tranlsater)

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• Unity Bar auto-hide behaviour and application icons placement

  - by Andrei

  The first issue: It seems that sometimes when I hover to the left edge of the screen the Unity Bar will not stay on top of other windows even if I continue to hover the cursor above it, at other times it will stay on top. Is this a normal behaviour? Or am I affected by some bug / inconsistency? If it's normal, what's the logic behind it? The second issue: Application icons for running applications do not maintain their position in the Unity Bar but instead move around according to some weird rules (if any?) that I can't understand. Is this to be expected, or is it a bug? Is there a way to force them to stop moving around? I like to see certain apps in certain positions and this bothers me.

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• 14 Special Google Searches That Show Instant Answers

  - by Chris Hoffman

  Google can do more than display lists of websites – Google will give you quick answers to many special searches. While Google isn’t quite as advanced as Wolfram Alpha, it has quite a few tricks up its sleeve. We’ve also covered searching Google like a pro by learning the Google search operators – if you want to master Google, be sure to learn those. How To Create a Customized Windows 7 Installation Disc With Integrated Updates How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using?

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• How to install Ubiquity into a Live CD installation image?

  - by Patrick L

  I am trying a create a small Ubuntu installation ISO image. I am using a tool called Ubuntu-Builder. To make the final ISO as small as possible, I have decided to use Ubuntu Mini Remix. It is a small Live CD without GUI. It does not come with any installer software like Ubiquity. I want to embed an installer software into the ISO image so that user can install it into harddisk. In Ubuntu-Builder, I have tried the following: Install LXDE Desktop, then install Ubiquity. But the final ISO boots into command line. Install OpenBox Desktop, then install Ubiquity. But the final ISO boots into command line. Do not install DE, directly install Ubiquity. But the final ISO still boots into command line. After booting up from ISO, I have checked the software in the OS. It seems that Ubiquity has been installed. But it didn't show up when I boot the ISO image. Anyone knows how to install Ubiquity into a Live CD ISO image? Anyone knows any text mode installer which can replace Ubiquity?

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• Permanently disabling touchpad in ubuntu 12.04

  - by Andreas

  I'm looking for a way to permanently disable the touchpad in ububtu 12.04 (my computer is a Lenovo Thinkpad Edge on which it isn't possible to disable it in the bios). I tried the applications GPointingDeviceSettings and synaptiks 0.8.1 as well as the applets touchpad-indicator and Jupiter. None of these does the trick of disabling the touchpad permanently. Jupiter comes closest - it remembers that I have disabled the touchpad after restart - but when I login after the computer has been in suspend mode, the touchpad is enabled again. Can anyone help me in disabling the touchpad possibly at a lower level so it won't in any way be enabled unless I choose to enable it? I'm totally new to linux so a detailed explanation would be much appreciated ... The links, so far, doesn't address my question. I have no problem turning the touchpad off and making it stay off after reboot but when I login after the computer has been in an altered power mode it's on again. Isn't there a way to permanently disable a device like touchpad?

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• Compile latest blender on ubuntu 12.0464bit?

  - by gabriel

  What i want is to compile latest blender from SVN. I am using this guide My issues are: How can i install it with the final .deb created file and how can i give this package to a ppa! So, when i execute sudo apt-get update; sudo apt-get install subversion build-essential gettext \ libxi-dev libsndfile1-dev \ libpng12-dev libfftw3-dev \ libopenexr-dev libopenjpeg-dev \ libopenal-dev libalut-dev libvorbis-dev \ libglu1-mesa-dev libsdl1.2-dev libfreetype6-dev \ libtiff4-dev libavdevice-dev \ libavformat-dev libavutil-dev libavcodec-dev libjack-dev \ libswscale-dev libx264-dev libmp3lame-dev python3.2-dev \ libspnav-dev it gives me this The following packages have unmet dependencies: libjack-dev : Depends: libjack0 (= 1:0.121.0+svn4538-3ubuntu1) but it is not going to be installed E: Unable to correct problems, you have held broken packages. I know that skype does not allow the installation of those libraries. Thanks

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• why installing lame it is getting failed

  - by Rahul Mehta

  I want to install ffmpeg with mp3lame enabled for this m following this tutorial , http://ubuntuforums.org/showpost.php?p=9868359&postcount=1289 and in step 2 error is libfaac is not found ? and in step 5 installing lame is giving this error , why it is getting failed , please advised what to do ? reach121@youngib:~/lame-3.98.4$ sudo checkinstall --pkgname=lame-ffmpeg --pkgversion="3.98.4" --backup=no --default --deldoc=yes checkinstall 1.6.2, Copyright 2009 Felipe Eduardo Sanchez Diaz Duran This software is released under the GNU GPL. ***************************************** **** Debian package creation selected *** ***************************************** This package will be built according to these values: 0 - Maintainer: [ root@youngib ] 1 - Summary: [ Package created with checkinstall 1.6.2 ] 2 - Name: [ lame-ffmpeg ] 3 - Version: [ 3.98.4 ] 4 - Release: [ 1 ] 5 - License: [ GPL ] 6 - Group: [ checkinstall ] 7 - Architecture: [ amd64 ] 8 - Source location: [ lame-3.98.4 ] 9 - Alternate source location: [ ] 10 - Requires: [ ] 11 - Provides: [ lame-ffmpeg ] 12 - Conflicts: [ ] 13 - Replaces: [ ] Enter a number to change any of them or press ENTER to continue: Installing with make install... ========================= Installation results =========================== Making install in mpglib make[1]: Entering directory `/home/reach121/lame-3.98.4/mpglib' make[2]: Entering directory `/home/reach121/lame-3.98.4/mpglib' make[2]: Nothing to be done for `install-exec-am'. make[2]: Nothing to be done for `install-data-am'. make[2]: Leaving directory `/home/reach121/lame-3.98.4/mpglib' make[1]: Leaving directory `/home/reach121/lame-3.98.4/mpglib' Making install in libmp3lame make[1]: Entering directory `/home/reach121/lame-3.98.4/libmp3lame' Making install in i386 make[2]: Entering directory `/home/reach121/lame-3.98.4/libmp3lame/i386' make[3]: Entering directory `/home/reach121/lame-3.98.4/libmp3lame/i386' make[3]: Nothing to be done for `install-exec-am'. make[3]: Nothing to be done for `install-data-am'. make[3]: Leaving directory `/home/reach121/lame-3.98.4/libmp3lame/i386' make[2]: Leaving directory `/home/reach121/lame-3.98.4/libmp3lame/i386' Making install in vector make[2]: Entering directory `/home/reach121/lame-3.98.4/libmp3lame/vector' make[3]: Entering directory `/home/reach121/lame-3.98.4/libmp3lame/vector' make[3]: Nothing to be done for `install-exec-am'. make[3]: Nothing to be done for `install-data-am'. make[3]: Leaving directory `/home/reach121/lame-3.98.4/libmp3lame/vector' make[2]: Leaving directory `/home/reach121/lame-3.98.4/libmp3lame/vector' make[2]: Entering directory `/home/reach121/lame-3.98.4/libmp3lame' make[3]: Entering directory `/home/reach121/lame-3.98.4/libmp3lame' test -z "/usr/local/lib" || /bin/mkdir -p "/usr/local/lib" /bin/bash ../libtool --mode=install /usr/bin/install -c 'libmp3lame.la' '/usr/local/lib/libmp3lame.la' /usr/bin/install -c .libs/libmp3lame.lai /usr/local/lib/libmp3lame.la /usr/bin/install -c .libs/libmp3lame.a /usr/local/lib/libmp3lame.a chmod 644 /usr/local/lib/libmp3lame.a ranlib /usr/local/lib/libmp3lame.a PATH="$PATH:/sbin" ldconfig -n /usr/local/lib ---------------------------------------------------------------------- Libraries have been installed in: /usr/local/lib If you ever happen to want to link against installed libraries in a given directory, LIBDIR, you must either use libtool, and specify the full pathname of the library, or use the `-LLIBDIR' flag during linking and do at least one of the following: - add LIBDIR to the `LD_LIBRARY_PATH' environment variable during execution - add LIBDIR to the `LD_RUN_PATH' environment variable during linking - use the `-Wl,--rpath -Wl,LIBDIR' linker flag - have your system administrator add LIBDIR to `/etc/ld.so.conf' See any operating system documentation about shared libraries for more information, such as the ld(1) and ld.so(8) manual pages. ---------------------------------------------------------------------- make[3]: Nothing to be done for `install-data-am'. make[3]: Leaving directory `/home/reach121/lame-3.98.4/libmp3lame' make[2]: Leaving directory `/home/reach121/lame-3.98.4/libmp3lame' make[1]: Leaving directory `/home/reach121/lame-3.98.4/libmp3lame' Making install in frontend make[1]: Entering directory `/home/reach121/lame-3.98.4/frontend' make[2]: Entering directory `/home/reach121/lame-3.98.4/frontend' test -z "/usr/local/bin" || /bin/mkdir -p "/usr/local/bin" /bin/bash ../libtool --mode=install /usr/bin/install -c 'lame' '/usr/local/bin/lame' /usr/bin/install -c lame /usr/local/bin/lame make[2]: Nothing to be done for `install-data-am'. make[2]: Leaving directory `/home/reach121/lame-3.98.4/frontend' make[1]: Leaving directory `/home/reach121/lame-3.98.4/frontend' Making install in Dll make[1]: Entering directory `/home/reach121/lame-3.98.4/Dll' make[2]: Entering directory `/home/reach121/lame-3.98.4/Dll' make[2]: Nothing to be done for `install-exec-am'. make[2]: Nothing to be done for `install-data-am'. make[2]: Leaving directory `/home/reach121/lame-3.98.4/Dll' make[1]: Leaving directory `/home/reach121/lame-3.98.4/Dll' Making install in debian make[1]: Entering directory `/home/reach121/lame-3.98.4/debian' make[2]: Entering directory `/home/reach121/lame-3.98.4/debian' make[2]: Nothing to be done for `install-exec-am'. make[2]: Nothing to be done for `install-data-am'. make[2]: Leaving directory `/home/reach121/lame-3.98.4/debian' make[1]: Leaving directory `/home/reach121/lame-3.98.4/debian' Making install in doc make[1]: Entering directory `/home/reach121/lame-3.98.4/doc' Making install in html make[2]: Entering directory `/home/reach121/lame-3.98.4/doc/html' make[3]: Entering directory `/home/reach121/lame-3.98.4/doc/html' make[3]: Nothing to be done for `install-exec-am'. test -z "/usr/local/share/doc/lame/html" || /bin/mkdir -p "/usr/local/share/doc/lame/html" /bin/mkdir: cannot create directory `/usr/local/share/doc': No such file or directory make[3]: *** [install-pkghtmlDATA] Error 1 make[3]: Leaving directory `/home/reach121/lame-3.98.4/doc/html' make[2]: *** [install-am] Error 2 make[2]: Leaving directory `/home/reach121/lame-3.98.4/doc/html' make[1]: *** [install-recursive] Error 1 make[1]: Leaving directory `/home/reach121/lame-3.98.4/doc' make: *** [install-recursive] Error 1 **** Installation failed. Aborting package creation. Cleaning up...OK Bye. reach121@youngib:~/lame-3.98.4$

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• Docky have stopped working since update

  - by Fraekkert

  I'm running Ubuntu 10.10 64-bit. I'm using the Docky ppa, and since the latest update It won't start. If i run it from the terminal, this is what i get: [Info 09:21:19.005] Docky version: 2.1.0 bzr docky r1761 ppa [Info 09:21:19.024] Kernel version: 2.6.35.24 [Info 09:21:19.026] CLR version: 2.0.50727.1433 [Debug 09:21:19.493] [UserArgs] BufferTime = 0 [Debug 09:21:19.494] [UserArgs] MaxSize = 2147483647 [Debug 09:21:19.494] [UserArgs] NetbookMode = False [Debug 09:21:19.494] [UserArgs] NoPollCursor = False [Debug 09:21:19.528] [SystemService] Using org.freedesktop.UPower for battery information [Info 09:21:19.564] [ThemeService] Setting theme: Transparent [Debug 09:21:19.587] [DesktopItemService] Loading remap file '/usr/share/docky/remaps.ini'. [Debug 09:21:19.599] [DesktopItemService] Remapping 'Picasa3.exe' to 'picasa'. [Debug 09:21:19.599] [DesktopItemService] Remapping 'nbexec' to 'netbeans'. [Debug 09:21:19.599] [DesktopItemService] Remapping 'deja-dup-preferences' to 'deja-dup'. [Debug 09:21:19.599] [DesktopItemService] Remapping 'VirtualBox' to 'virtualbox'. [Warn 09:21:19.600] [DesktopItemService] Could not find remap file '/home/lasse/.local/share/docky/remaps.ini'! [Debug 09:21:19.602] [DesktopItemService] Loading desktop item cache '/home/lasse/.cache/docky/docky.desktop.en_DK.utf8.cache'. [Info 09:21:20.101] [DockServices] Dock services initialized. [Debug 09:21:20.134] [DBusManager] DBus Registered: org.gnome.Docky [Debug 09:21:20.142] [DBusManager] DBus Registered: net.launchpad.DockManager Stacktrace: at (wrapper managed-to-native) System.IO.MonoIO.Read (intptr,byte[],int,int,System.IO.MonoIOError&) <IL 0x00012, 0x00062> at (wrapper managed-to-native) System.IO.MonoIO.Read (intptr,byte[],int,int,System.IO.MonoIOError&) <IL 0x00012, 0x00062> at System.IO.FileStream.ReadData (intptr,byte[],int,int) <IL 0x00009, 0x00047> at System.IO.FileStream.RefillBuffer () <IL 0x0001c, 0x0002b> at System.IO.FileStream.ReadByte () <IL 0x00079, 0x000c7> at Mono.Addins.Serialization.BinaryXmlReader.ReadNext () <IL 0x0000b, 0x00031> at Mono.Addins.Serialization.BinaryXmlReader.Skip () <IL 0x0003c, 0x00053> at Mono.Addins.Serialization.BinaryXmlReader.Skip () <IL 0x00047, 0x0005f> at Mono.Addins.Serialization.BinaryXmlReader.Skip () <IL 0x00047, 0x0005f> And this .Skip () continues infinitely, and very fast. I've tried cleaning the cache and reinstalling docky, but without luck.

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• Tweaking Remote Control (In-Kernel LIRC)

  - by Geoff

  I've recently rebuilt my MythTV box using Mythbuntu 12.04, to take advantage of newer hardware (Ivy Bridge). On my previous build I used lirc to manage the remote, i.e. the mapping of key codes - keypresses - application keys; it was quite a journey to learn it all, and I ended up fairly comfortable with how it all worked. What I have: I have a cheap Chinavasion remote and USB dongle, which I've found several articles on; these largely revolve around working with XBMC (interesting, but I don't think directly applicable) and also around getting a Harmony remote to work (it's a Chinavasion CVSB-983 - very useful, since I needed this to get my Harmony 900 working). Mythbuntu 12.04 64-bit MythTV 0.25 (likely irrelevant) How it is right now When I plug this in, it 'just works'. Which is great, except that Ubuntu uses it natively, and prevents some of the button presses from getting through to Myth. For example, I can send a button from the remote that equates to Ctrl-Alt-A (which I assume Ubuntu isn't interested in), and then trap that in Mythfrontend, but the remote's Play button is caught by Ubuntu (which displays a large circle with a line though it, as there's no media player loaded). I understand that this is because lirc is merged into the kernel now, and I like that. What I've done so far: Found the device using lsusb: $ lsusb Bus 001 Device 004: ID 073a:2230 Chaplet Systems, Inc. infrared dongle for remote Found the event device number: $ cat /proc/bus/input/devices I: Bus=0003 Vendor=073a Product=2230 Version=0110 N: Name="HID 073a:2230" P: Phys=usb-0000:00:1a.0-1.2/input0 S: Sysfs=/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.0/input/input5 U: Uniq= H: Handlers=sysrq kbd mouse1 event5 js0 B: PROP=0 B: EV=10001f B: KEY=4c37fff072ff32d bf54445600000000 ffffffffff 30c100b17c007 ffa67bfad951dfff febeffdfffefffff fffffffffffffffe B: REL=343 B: ABS=100030000 B: MSC=10 Tested the input with evtest (I pressed Play): $ sudo evtest /dev/input/event5 Input driver version is 1.0.1 Input device ID: bus 0x3 vendor 0x73a product 0x2230 version 0x110 Input device name: "HID 073a:2230" Supported events: Event type 0 (EV_SYN) Event type 1 (EV_KEY) Event code 1 (KEY_ESC) Event code 2 (KEY_1) Event code 3 (KEY_2) Event code 4 (KEY_3) Event code 5 (KEY_4) Event code 6 (KEY_5) Event code 7 (KEY_6) <------------snipped lots of 'Event code' lines------------> Testing ... (interrupt to exit) Event: time 1336435683.230656, -------------- SYN_REPORT ------------ Event: time 1336435683.246648, type 4 (EV_MSC), code 4 (MSC_SCAN), value c00cd Event: time 1336435683.246652, type 1 (EV_KEY), code 164 (KEY_PLAYPAUSE), value 0 Event: time 1336435683.246655, -------------- SYN_REPORT ------------ Tested showkey, again for the Play key: $ sudo showkey -s kb mode was RAW [ if you are trying this under X, it might not work since the X server is also reading /dev/console ] press any key (program terminates 10s after last keypress)... 0xe0 0x22 0xe0 0xa2 What I want: I'd like a way to scan the incoming button presses, if the above method isn't correct. I'd like to either remap each button press to something that Ubuntu/Unity will ignore, or even better pass the keypress directly to Myth (I suspect this later is only possible with lirc, but I could be wrong). I would really like to do this with the in-kernel drivers, i.e. without explicitly loading lirc; if that's the way the world is going, I'd rather find a way to map the current behaviour to what I want, rather than forcing the 'old' arrangement of loading lirc outside the kernel. Learning something new is also worthwhile! My guess: I'm assuming that this will require using setkeycodes, but have had trouble finding enough information to configure this. Any help greatly appreciated!

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• Depends libntfs10 error while installing testdisk

  - by user260223

  I want to install testdisk to ubuntu 10.04 LTS but i'm getting an error. Any help? Here is the output: # sudo apt-get install testdisk Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: testdisk: Depends: libntfs10 (>= 2.0.0) but it is not installable E: Broken packages I also tried: wget http://launchpadlibrarian.net/40386584/libntfs10_2.0.0-1ubuntu4_i386.deb; sudo dpkg -i *.deb And i get this error: dpkg: error processing libntfs10_2.0.0-1ubuntu4_i386.deb (--install): package architecture (i386) does not match system (amd64) Errors were encountered while processing: libntfs10_2.0.0-1ubuntu4_i386.deb

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• How add cpu frequency that should be available?

  - by Andrew Redd

  I have a system with an Intel Core i7 970 that should be able to run at 3.2 GHz. I'm running ubuntu 12.04 and installed the cpufreq indicator to be able to change the governor and noticed that I only had frequencies up to 2.0 GHz available to me. I set to performance and checked with cpufreq-info cpufreq-info -c 0 cpufrequtils 007: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to [email protected], please. analyzing CPU 0: driver: acpi-cpufreq CPUs which run at the same hardware frequency: 0 1 2 3 4 5 6 7 8 9 10 11 CPUs which need to have their frequency coordinated by software: 0 maximum transition latency: 10.0 us. hardware limits: 1.60 GHz - 2.00 GHz available frequency steps: 2.00 GHz, 1.86 GHz, 1.73 GHz, 1.60 GHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 1.60 GHz and 2.00 GHz. The governor "performance" may decide which speed to use within this range. current CPU frequency is 2.00 GHz (asserted by call to hardware). cpufreq stats: 2.00 GHz:4.93%, 1.86 GHz:0.03%, 1.73 GHz:0.02%, 1.60 GHz:95.02% (718654) And to double check: $ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies 1995000 1862000 1729000 1596000 How do I get all the frequencies that I should have available to me, all up to the 3.2 GHz?

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• How can I build the best Cyber Cafe possible using Ubuntu (Desktop or the Server Edition)?

  - by Osman Hassan

  My question has to do with my plan/dream of opening a Cyber Cafe in Mogadishu, Somalia, my birth place. I plan to use 5 to 15 computers (all laptops) running Ubuntu. Now that you have the background to my question, I need your help, advice and expertise. What type of computer (laptop) should I use for this project? What type of operating system (Ubuntu Desktop/Ubuntu Server Edition) should I use? How can I setup a file and printer sharing server? What program should I use to manage the client computers? If you have done this before and can point me to the best and easiest way to build this Cyber Cafe, I would appreciate it tremendously. Also, if you can point me to any books, articles, or blogs which I should read, I would appreciate it too.

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• How can I audit users and access attempts to SSH on my server?

  - by RadiantHex

  I've had a few security problems with a server of mine, a few SSH users have been setting up fires aka giving problems. I would like to: Track user logins and logouts Track activity of these SSH, in order to discover any malicious activity Prevent users from deleting logs I am not much of a sys admin and I am quite inexperienced in this matter, so any kind of advice would be very welcome and very helpful. :)

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• Absolutely Nothing Apearing in "Additional Drivers"

  - by Joshua Arroyo

  OK so I just got Ubuntu the other month or so. I'm running the 11.04 version currently and trying to install drivers for a Nvidia graphics card (it's my brother's computer and he currently cannot find the number of the card right now). I read that, to install the proper drivers for gaming, I would need to go into "Additional Drivers" and choose them myself. I clicked to go into "Additional Drivers" and it searched "for available drivers", then opened the additional drivers list. Lo and Behold, there was nothing, simply the message "No proprietary drivers are in use on this system" and the Help and Close buttons. Sorry if there's some silly simple answer to all of this, I'm new to this sort of thing (used to Windows simplicity, lol) and I really don't know what to do. Help would be much appreciated. Also, I should mention that the graphics card was installed and ran fine before switching from Windows XP to Ubuntu.

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• input / output error, drives randomly refusing to read / write

  - by ILMV

  I have an issue with one of our servers running Ubuntu 10.04, it is running BackupPC and collects backups from various machines / servers around the building. On the 8th minute (12:08, 12:18, 12:28 etc) the backups are transferred to an external hard drive, we have three and rotate one drive for another everyday. The problem we are having is we are randomly experiencing input / output errors, when this happens you cannot read / write to the drive, it hasn't unmounted so I can cd to the mount point /media/backup1. The drives are not faulty as it's happening on all of them, so I'm at a loss as to what the problem could be, here is an example of the many errors we get: gzip: stdout: Input/output error /var/lib/backuppc/backuppc_offline: line 47: /media/backup1/Tue/offline.log: Input/output error ls: cannot access /media/backup1/Tue/incr_1083_host1.something.co.uk.tar.gz: Input/output error ls: cannot access /media/backup1/Tue/incr_1088_host1.something.co.uk.tar.gz: Input/output error ls: cannot access /media/backup1/Tue/incr_1089_host1.something.co.uk.tar.gz: Input/output error ls: cannot access /media/backup1/Tue/incr_1090_host1.something.co.uk.tar.gz: Input/output error /var/lib/backuppc/backuppc_offline: line 39: /media/backup1/Tue/offline.log: Input/output error /var/lib/backuppc/backuppc_offline: line 44: /media/backup1/Tue/offline.log: Input/output error /var/lib/backuppc/backuppc_offline: line 45: /media/backup1/Tue/incr_1090_host1.something.co.uk.tar.gz: Input/output error /var/lib/backuppc/backuppc_offline: line 47: /media/backup1/Tue/offline.log: Input/output error ls: cannot access /media/backup1/Tue/incr_591_tech2.something.co.uk.tar.gz: Input/output error /var/lib/backuppc/backuppc_offline: line 44: /media/backup1/Tue/offline.log: Input/output error /var/lib/backuppc/backuppc_offline: line 45: /media/backup1/Tue/incr_591_tech2.something.co.uk.tar.gz: Input/output error /var/lib/backuppc/backuppc_offline: line 47: /media/backup1/Tue/offline.log: Input/output error ls: cannot access /media/backup1/Tue/incr_592_tech3.something.co.uk.tar.gz: Input/output error ls: cannot access /media/backup1/Tue/incr_593_tech3.something.co.uk.tar.gz: Input/output error /var/lib/backuppc/backuppc_offline: line 44: /media/backup1/Tue/offline.log: Input/output error /var/lib/backuppc/backuppc_offline: line 45: /media/backup1/Tue/incr_593_tech3.something.co.uk.tar.gz: Input/output error /var/lib/backuppc/backuppc_offline: line 47: /media/backup1/Tue/offline.log: Input/output error EDIT » Resolved So it turns out Quamis was right, even though I didn't think it was possible it was actually a problem with the drive. You see we have three drives all formatted to ext2, on two of them we were getting I/O errors frequently, I cam back to Quamis' answer and discovered the fsck command, so ran it against the problems drives: fsck /dev/sdb1 This found and fixed a load of problems on the drive, most probably caused by power outages / unsafe removal of drives etc, as the drives are in the xt2 format they aren't journalled and thus aren't protected against such issues. Drives are now working beautifully, thanks all! :D

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• Enable wifi on my computer - firmware missing

  - by Sarah

  I am attempting to set up a wireless network on 11.04, freshly download today. The router is on and working. However, I do not have a wifi "card" (which I am assuming is a little USB-type thing that allows internet access, but correct me if I am wrong) and every time I try to type in the MAC address and everything, nothing works. I also get the "firmware missing" error when I scroll over the signal strength, which I have tried looking up but have been unsuccessful with completely understanding it. I guess my main question is do I need another little device to be able to use wifi on my ubuntu? I do have an ethernet cable but another person is using it and I do not want to be tied down to that cable. the problem is that none of the wireless networks show up, however they show up when I go into Windows mode on my laptop. I get an error message at the top saying "firmware missing" which I have tried looking up but still have no straight answer for.

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• Bluetooth not detected on Asus X401A / Ubuntu 12.10

  - by Majster-pl

  I have Asus X401A ( according to specs bluetooth is build-in to this laptop, http://www.asus.com/Notebooks/Versatile_Performance/X401A/#specifications ) Bluetooth in global settings is gray ( unable to turn it on ) rfkill list output: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no 1: asus-wlan: Wireless LAN Soft blocked: no Hard blocked: no cat /var/log/dmesg | grep Blue* [ 5.895791] Bluetooth: Core ver 2.16 [ 5.895807] Bluetooth: HCI device and connection manager initialized [ 5.895809] Bluetooth: HCI socket layer initialized [ 5.895810] Bluetooth: L2CAP socket layer initialized [ 5.895814] Bluetooth: SCO socket layer initialized [ 5.909618] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 5.909621] Bluetooth: BNEP filters: protocol multicast [ 5.910020] Bluetooth: RFCOMM TTY layer initialized [ 5.910024] Bluetooth: RFCOMM socket layer initialized [ 5.910025] Bluetooth: RFCOMM ver 1.11 hcitool dev Devices: (empty) My wifes laptop Asus K53 have the same problem Ubuntu 12.04 LTS Any help please ?

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• CDbException: CDbConnection failed to open the DB connection

  - by Vinay Rajput

  Hi I am new to ubuntu and php mysql, i have intalled xampp and learning Yii, but while testing a script i got this problem, not able to figure out the solution, i have been through many forums solutions but none of them worked for me. Please help. 1) DbTest::testConnection CDbException: CDbConnection failed to open the DB connection. /opt/lampp/htdocs/YiiRoot/framework/db/CDbConnection.php:388 /opt/lampp/htdocs/YiiRoot/framework/db/CDbConnection.php:331 /opt/lampp/htdocs/YiiRoot/framework/db/CDbConnection.php:309 /opt/lampp/htdocs/YiiRoot/framework/base/CModule.php:388 /opt/lampp/htdocs/YiiRoot/framework/base/CModule.php:104 /opt/lampp/htdocs/trackstar/protected/tests/unit/DbTest.php:6 FAILURES! Tests: 1, Assertions: 0, Errors: 1.

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• Xubuntu 12.04: How to get Emacs keybindings?

  - by Marius Hofert

  I work with Xubuntu 12.04 on a MacBook Air. There are various posts about how to use Emacs' keybindings under gnome (see, for example, Enabling Emacs Keybind on Google Chrome, reverting from emacs keybindings in chrome, or http://www.fettesps.com/ubuntu-emacs-keybindings/). I installed gconf-editor and replaced "Greybird" by "Emacs" in desktop - gnome - interface - gtk_theme. This change did not seem to have an effect, though. How can I get Emacs keybindings under Xubuntu? [C-s for "search" and C-y for "paste" in google chrome, for example]

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• Which, among the humble indie bundle V games, work on 10.04?

  - by daithib8

  Inevitably, I've coughed up for the latest Humble Bundle, containing 5 games: Amnesia, Bastion, Limbo, Psychonauts and Superbrothers: Sword and Sorcery. At the download page it says download for ubuntu but after that it transpired (after much head scratching) that the three games it lists "are not available for your version of ubuntu". The other two, Bastion and Psychonauts "will appear on the page soon", but until then does anybody think they might work? I don't want to to be disappointed after downloading a 4gb file, causing me to reminisce on childhood memories of loading 8-bit tape games for 45 minutes only to find out that you had to reload them once you died after 30 seconds in.

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• Backup all home folders on usb disk and accessibility

  - by PatrickV

  I am using Ubuntu 12.04 and have multiple family members working on it with there own home folder. I have an USB disk and want to use it to backup my home folders. Trying this, I got some questions. When my disk auto mount, it is not visible for each user. It seams to be visible for the user the time I connect the usb disk. I want to create one folder per home on the usb disk to backup the data to. But when I format the disk in EXT4 or FAT for example it is Read Only. How can I format the disk so it is accessible to every user. Best Regards, Patrick

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