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• IKEA Lamps Hacked into Flexible Speaker Mounts

  - by Jason Fitzpatrick

  This simple hack combines the swing arms of two IKEA work lamps with a set of computer speakers for flexible and easily adjustable sound. IKEAHackers reader Bill Dwyer wanted an easy way to get the speakers off his desk but still be able to easily adjust them. By hacking apart two IKEA work lamps (he removed the light assembly and snipped the wires off) he was able to attach his computer speakers to the arms and, in the process, get them off the desk. The arms make it super simple to adjust the speakers exactly where he wants them, including towards other parts of his office/apartment. Hit up the link below to check out more pictures and read Bill’s instructions. Very Flexible Computer Speaker Mounts [IKEAHackers] Use Your Android Phone to Comparison Shop: 4 Scanner Apps Reviewed How to Run Android Apps on Your Desktop the Easy Way HTG Explains: Do You Really Need to Defrag Your PC?

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• How do I install plc-emu?

  - by user10072

  I have downloaded the tar.gz file for Ubuntu 10.10 64-bit from http://plcemu.sourceforge.net/ but I don't know how to install this. Does anyone know how to install plc-emu from the .tar.zip? Tried but i cant install the software...it gives error melwin@Firefly:~/Desktop/plcemu-14a$ sudo make [sudo] password for melwin: Makefile:25: warning: overriding commands for target `hardware.o' Makefile:23: warning: ignoring old commands for target `hardware.o' cc -O -g -c plcemu.c In file included from plclib.h:1, from plcemu.c:1: plcemu.h:6: fatal error: asm/io.h: No such file or directory compilation terminated. make: *** [plcemu.o] Error 1

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• Which programming language to develop software for USC that also runs on other OS?? (WINDOWS/OSX)

  - by Marian Lux

  I have skills in JAVA and C#: First i had a closer look to JAVA (Eclipse with Windowbuilder-Plugin) - Swing: But there is no natvie GUI-Support for GTK3 (e.g., HUD seems not to work) Then i was at JAVA - SWT: It is to heavy. I want do code a small app that improves the Ubuntu desktop. I don't want to ship a program with eclipse included. After that i found C# Mono (Monodevelop): GTK-shparp is only for GTK2 available. A GTK3-port will come soon but is it possible to convert the program from GTK2 to GTK3 without extra adaptations? The next bad thing is, that MONO is now dropped from Ubuntu LTS 12.04. So i have no chance that my app would be a default-app in an Ubuntu-Image. (This is also a factor for me to choose a programming language). I know there are other techs but i want to use as programing language JAVA or C#.

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• Pair programming remotely with Visual Studio?

  - by shamp00

  What tools exist to facilitate pair programming with Visual Studio when the programmers are not in the same physical location? At the moment we are thinking voice (Skype?) plus remote desktop (VNC? TeamViewer?), but it would be good to know of other suggestions and experiences. Also, is there anything more integrated with Visual Studio? A bit more background: we are two experienced developers with who have collaborated well for a long time on a large mature project (ASP.NET, Windows Forms and SQL Server). However we are not usually working on the same part of the code base at the same time. We intend to spend some weeks doing substantial refactoring and it would be ideal if we were able to do this work with a pair-programming approach.

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• Can't boot freshly burned Ubuntu cd

  - by user89004

  So I just burned a Ubuntu 12.04.1 powerpc .iso on a cd for my iMac G5 running Mac OS X 10.4.11 and it won't even recognize the cd. I burned it on my dad's Windows 7 laptop as the process is way easier (just 2 clicks). Mac OS X 10.4.11 gives me an error when it starts and when the CD is in saying "the disk you inserted was not readable by this computer". What's funny is that I burned a Ubuntu Minimal .iso on a CD and it would totally read that and even boot it though it gave me some errors afterwards and I couldn't install. I even tried going into openfirmware and hitting boot cd:,\tbxi but I get the error "Warning sector size mismatch can't OPEN cd:,\tbxi Can't open device or file" Was there something wrong with the .iso I burned? Mac OS X 10.4.11 won't even mount that .iso it tells me that the HFS file system is corrupt or something, but I know the .iso doesn't contain HFS file system. Any help? I downloaded the .iso from http://cdimage.ubuntu.com/releases/precise/release/ubuntu-12.04-desktop-powerpc.iso

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• JavaOne Latin America Preview

  - by Tori Wieldt

  JavaOne Latin America 2011 is next week in Sao Paulo, Brazil and it promises to be full of information and fun for Java developers. It will include keynotes on Java strategy, Java technical developments, and what's happening in Java community. Java community members Bruno Souza, Fabiane Nardon and Vinicius Senger will be on stage for the community keynote, so I'm sure it will be entertaining! JavaOne Latin America also offers dozens of educational and hands-on sessions created by and for the Java community. From "What's Coming in #JMS 2.0" to "HotRockit: What to Expect from Oracle's Converged JVM," to "JavaEE Apps in Production: Tips and Tricks to achieve Zero Downtime" to "Corporate JavaFX: How to leverage JavaFX Corporate Desktop apps," developers are sure to fill their brains to capacity!To hear more about JavaOne Latin America, the community bike ride, and the Adopt-a-JSR program, watch this interview with Yara Senger, President of the SouJava JUG, taped live at Devoxx 2011.

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• How to customise window decoration whilst using Compiz on Xubuntu?

  - by Benjamin

  I have installed Compiz on Xubuntu 11.10 with sudo apt-get install compiz compizconfig-settings-manager compiz --replace ccp & In the process the XFCE window decoration theme is overridden by that of Compiz (Gtk) which uses the Adwaita theme instead of the Greybird theme. Since Gtk is doing window decoration, I cannot change it back using the XFCE settings. I just need compiz for scale and window switch and I would like to return window decoration to XFCE (Xfwm4) or to be able to change the Gtk window decoration theme. How can I do that? I have found part of the (workaround) answer already: download Greybird Gtk theme install theme (here is where I failed I think) use dconf-editor to change the Gtk theme in org.gnome.desktop.interface The problem really at stage 2 is where do I place the theme? I tried in ~/.themes/ and then changed the value of gtk-theme in the editor to Greybird. But I saw no change.

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• How To Colorize Black and White Vintage Photographs in Photoshop

  - by Eric Z Goodnight

  Ever wanted to add color to your old, vintage, or historical photographs? Load up some old pictures and see how color can be added quickly to any black and white photograph in this simple Photoshop how to. While many purists simply don’t like the look of colorized black and white photographs, the ability to add color to black and white images is as indispensible as it is simple. Read on to see just how easy it can be Latest Features How-To Geek ETC How To Create Your Own Custom ASCII Art from Any Image How To Process Camera Raw Without Paying for Adobe Photoshop How Do You Block Annoying Text Message (SMS) Spam? How to Use and Master the Notoriously Difficult Pen Tool in Photoshop HTG Explains: What Are the Differences Between All Those Audio Formats? How To Use Layer Masks and Vector Masks to Remove Complex Backgrounds in Photoshop Hack a Wireless Doorbell into a Snail Mail Indicator Enjoy Clutter-Free YouTube Video Viewing in Opera with CleanTube Bring Summer Back to Your Desktop with the LandscapeTheme for Chrome and Iron The Prospector – Home Dash Extension Creates a Whole New Browsing Experience in Firefox KinEmote Links Kinect to Windows Why Nobody Reads Web Site Privacy Policies [Infographic]

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• Keyboard shortcuts don't work continuously

  - by T. K.

  First I had the problem of the keyboard layout resetting itself on each reboot from DE (german) to EN (us). I followed the advice of using dconf in order to make the DE layout my personal default (see Keyboard layout switches to English each time I reboot). However, after that, my shortcuts didn't work properly anymore. In Firefox, Kile etc. everything works fine while in Nautilus, copying/erasing/pasting is impossible even when I change the keyboard layout back to En (us). Also, I'm not even able to select multiple items using the cursor in Nautilus while every acts normal on the desktop. It's quite confusing. I've read about a similar bug (see https://bugs.launchpad.net/unity/+bug/1226962) but since German is a latin language there is no appropriate solution given for my problem. Any help is really appreciated here. Edit: The third reboot resolved the problem so the shortcuts finally work in Nautilus again. Still, selecting multiple objects using the cursor isn't possible.

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• How to prevent WLAN connection from dropping permanently on a Fritz USB WLAN N stick?

  - by Chris

  I have a desktop with a Fritz USB WLAN N stick and tried Ubuntu 12.04. Installation went 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 this issue or is there another solution? I have another machine with 12.04 (HP 625 laptop) running where connection is stable.

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• HP Pavilion g6 1190sm laptop has overheat/hibernation/graphics issues

  - by Jan

  Every time I reboot or shutdown my laptop, while the laptop is booting again I get a screen (before loading the OS) that HP discovered overheating and system went into hibernation. But the point is that the laptop is not overheating nor going into hibernation by itself. Also, because of the hybrid graphics card I cannot install additional drivers. Desktop resolution and all works perfectly but I cannot use Unity 3D. Also, OpenGL doesn't work as it should (with Cairo Dock). As I've read some posts, people say that vgaswitcheroo doesn't work on 12.04 so I haven't tried it.

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• Looking for a light weight note program.

  - by Erin

  This might belongs on superuser but for me it's part of programming so i will ask it here. I find I use notepad to keep chunks of data that are important but not important enough to keep in my head. The one problem with this is I end up with a lot of files on my desktop that I don't know what they are for, or I don't save the file and my computer gets rebooted for some reason. So that big ramble leads to the question. I am looking for a note taking system that is light weight and easy to manage. I would rather it not be a huge application like onenote but if that is what you are using and is is working well for you could you explain how you are doing it? Thanks Erin.

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• How To Use Bash History to Improve Your Command-Line Productivity

  - by YatriTrivedi

  Whether you’re new to the Linux command-line or you’re a seasoned veteran, these tricks will help turn your text-based meanderings into full-blown marathons. Save time, speed up your productivity, and enhance your Linux-Fu, all at once! Latest Features How-To Geek ETC Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions Super-Charge GIMP’s Image Editing Capabilities with G’MIC [Cross-Platform] Access and Manage Your Ubuntu One Account in Chrome and Iron Mouse Over YouTube Previews YouTube Videos in Chrome Watch a Machine Get Upgraded from MS-DOS to Windows 7 [Video] Bring the Whole Ubuntu Gang Home to Your Desktop with this Mascots Wallpaper Hack Apart a Highlighter to Create UV-Reactive Flowers [Science]

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• Looking for a Python UI library comparable with Windows Forms [on hold]

  - by Mitten

  I am looking for a Python UI library which I could use to develop a desktop GUI comparable to what can be done with .NET Windows Forms. I have no previous experience programming UI in Python, so I would rather choose (if there is a choice) something simple. The application I am building would be a document oriented - rich texts, lists and grids, I don't expect to use much graphics - mostly formatted texts. Any pointers, and if there is more than one major GUI library available for Python - how could I quickly test them to see which one is a better fit for my needs?

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• Configure mounting timeout at boot

  - by René Pieters

  On remotely rebooting a 12.04 machine I found it hanging at the "unable to mount soandso: Skip, Manual Abort? " (That's pretty much how I remember the message) The machine was basically stopped there until I hooked up a keyboard and pressed "s". I can see the rationale for the question, but I'd really like to know where to configure it or turn it off altogether. A mandatory question like this makes sense in a desktop environment but for servers I'd like more flexibility. So where do I fiddle and tweak this?

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• Make Your Own Origami Star Wars Ships [D.I.Y. Fun]

  - by Asian Angel

  So there you are with a bit of time to kill at work on Friday afternoon or perhaps you are looking for something fun to get into over weekend…what to do? Perhaps an origami project building an awesome fleet of Star Wars ships is the perfect thing to get into! Once you visit the website click on the Gallery Link to view multiple pictures of specific ships or go to Gallery - Diagrams to download your own copy of the ‘Diagrams + Crease Patterns’ that Martin has made available online so far. Here is the video with step-by-step-instructions for making a Naboo Starfighter… Note: Visiting the YouTube link for this video will show more videos by various individuals in the sidebar area for more Star Wars origami goodness! 6 Ways Windows 8 Is More Secure Than Windows 7 HTG Explains: Why It’s Good That Your Computer’s RAM Is Full 10 Awesome Improvements For Desktop Users in Windows 8

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• Video Freezes Every few seconds

  - by Chandan

  Hi, I have problems playing videos on my Ubuntu 10.10 machine. The video FREEZES every 20-25 seconds, while I could still hear the audio. I use Totem Movie Player (GStreamer) & have nVidia on-board graphics card & AMD DualCore processor. After some 5-10 seconds, the videos resumes skipping the hung portion. But, I can hear the audio of that part! I've tried it with SMPlayer (GUI), VLC & Kaffeine. But, the same problem... I recently uninstalled the nVidia drivers and since then, not even for a second, no video hung! So, I thought its the problem with the proprietary nVidia drivers. But, since its uninstalled, I'm not able to get the desired desktop resolution & effects. So, is there any way I can work it out?

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• Merge home directory after fresh installation with existing (Gentoo) home

  - by jhwist

  I reinstalled my desktop machine with Ubuntu 10.10., coming from Gentoo where I used XFCE. My home is usually NFS-mounted from a server. During the install I let the installer set up my user, but of course my NFS-home wasn't mounted then; I have a regular /home/user now. If I mv /home /home.old and mount my NFS-home to /home instead, I cannot login because Gnome complains about some config-files (sorry, no exact error message as there is no way to copy&paste this). Which of my /home.old/user directories do I have to copy over to my NFS-home so that Gnome is happy again?

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• How to reinstall many removed packages at once?

  - by Logan

  I used sudo apt-get remove python command and accidently removed a bunch of packages that were required. I logged in via command line and installed ubuntu-desktop again but there are other packages that are missing, and I'm looking for a way to easily reinstall those removed packages. Since there's the log at software-center I wanted to ask what the easiest way might be to roll back changes or extract the removed packages list from the software center... note: I typed sudo apt-get install .... .... ... ... for about two dozen of those removed programs in that list, but when I pressed enter it didn't install any of them because some package names couldn't be found. The programs were removed at the same date.

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• What is considered third party code?

  - by Songo

  Inspired by this question Using third-party libraries - always use a wrapper? I wanted to know what people actually consider as third-party libraries. Example from PHP: If I'm building an application using Zend framework, should I treat Zend framework libraries as third party code? Example from C#: If I'm building a desktop application, should I treat all .Net classes as third party code? Example from Java: Should I treat all libraries in the JDK as third party libraries? Some people say that if a library is stable and won't change often then one doesn't need to wrap it. However I fail to see how one would test a class that depends on a third party code without wrapping it.

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• Can't Enter Password in Recovery Mode

  - by Mike Lentini

  When I go into recovery mode to get to the command line, I enter "telinit 3" to drop out of root. This works on my desktop, but on my laptop it asks for my username and password, then I hit enter and the first letter of my password appears and it doesn't log me in. It then proceeds to ask me for my username and password again, and the issue continues. Am I doing something wrong? Is this a known issue with a solution? EDIT: Worked around this by going into /etc/default/grub and setting it to boot in text mode. Still would like a solution for this though.

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• Xen 4.0.1 not booting with device not found error

  - by Disco

  I'm trying to get Xen 4.0.1 run as dom0 on a fresh/clean install of 10.10 desktop (x64). Followed the step by step tutorial at http://wiki.xensource.com/xenwiki/Xen4.0 I have the pvops kernel in /boot, also included the ext4 fs support by recompiling the kernel by : make -j6 linux-2.6-pvops-config CONFIGMODE=menuconfig make -j6 linux-2.6-pvops-build make -j6 linux-2.6-pvops-install Here's my grub entry : menuentry 'Xen4' --class ubuntu --class gnu-linux --class gnu --class os { recordfail insmod part_msdos insmod ext2 insmod ext3 set root='(hd0,msdos1)' search --no-floppy --fs-uuid --set 2bf3177a-92fd-4196-901a-da8d810b04b4 multiboot /xen-4.0.gz dom0_mem=1024M loglvl=all guest_loglvl=all module /vmlinuz-2.6.32.27 root=UUID=2bf3177a-92fd-4196-901a-da8d810b04b4 ro module /initrd.img-2.6.32.27 } blkid /dev/sda1 gives the : /dev/sda1: UUID="2bf3177a-92fd-4196-901a-da8d810b04b4" TYPE="ext3" My partition shemes is : /boot (ext3) / (ext4) Whatever option i've tried i end up with : mounting none on /dev failed: no such file or directory And message complaining that it cannot find the device with uuid ... It's taking my hairs out, if somone has a clue ...

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• compiz hiding unity and all menus

  - by Lennart Guldbrandsson

  After updating to Ubuntu 11.10, I was severly disturbed by Dash and wanted to go back to Ubuntu Classic. So I tried to read up, and found Compiz SettingsManager. In there, I clicked "on" never hide menus. For some reason this made all my menus at the top of the screen (volume, network, my login identity, and shutoff, etc) disappear - as well as the quickstart menu to the left (Unity). I am not very technical, so I have a hard time finding any programs now, and I just got on the internet by clicking on a link in a document, that I was fortunate to have on my Desktop. Without it, I wouldn't be able to ask for help. What I wish for is a) to get back the menu at the top, b) to restore the Ubuntu Classic without the irritating launcher and Dash, c) these two things to not disappear every time there is a new version of Ubuntu. Any help is greatly appreciated.

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• Handling different screen densities in Android Devices?

  - by DevilWithin

  Well, i know there are plenty of different-sized screens in devices that run Android. The SDK I code with deploys to all major desktop platforms and android. I am aware i must have special cares to handle the different screen sizes and densities, but i just had an idea that would work in theory, and my question is exactly about that method, How could it FAIL ? So, what I do is to have an ortho camera of the same size for all devices, with possible tweaks, but anyway that would grant the proper positioning of all elements in all devices, right? We can assume everything is drawn in OpenGLES and input handling is converted to the proper camera coordinates. If you need me to improve the question, please tell me.

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• Install Ubuntu on Laptop dual with windows 7

  - by Pieter Doubell

  I have installed Ubuntu 12.04/ 32-bit using Wubi on my laptop running dual with windows 7 desktop and it works very very well. I am now also trying to install Ubuntu on another laptop already running a linux operating system only but not successful in doing so. Would like to install Windows 7 dual with Ubuntu. At the moment it is complaining about partitions of the existing linux when trying to install Windows 7 which I suppose is fair. Please herewith assist in installing the Ubuntu and Windows 7 platforms. Very much appreciated.

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