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• Can I use Unity with XMonad?

  - by geniass

  I've been using Fedora for a while, but I recently decided to upgrade my ubuntu installation from 12.04 to 12.10. While I was using Fedora, I found xmonad tiling window manager which I sort of got working with xfce. I really like xmonad and I now automatically use the keyboard shortcuts without even thinking. So I would like to use xmonad with unity. Now, I have seen several blog posts etc. that explain how to setup the whole thing in 12.04, with Unity2D. But now, Unity2D has been removed, and the old methods no longer apply. I have read that Unity is actually just a Compiz plugin, and that the wm can't be replaced. Does no version of Unity have a replaceable WM? I've also tried MATE (GNOME2 fork) with xmonad on 12.10 and that is totally broken for me, but that's for another question.

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• Do teams get more productive by adding more developers? [duplicate]

  - by jgauffin

  This question already has an answer here: Why does adding more resource to a late project make it later? 12 answers Suppose you've got a project that is running late. Is there any proof or argument that teams become much more productive by adding more people? I am looking for answers that can be supported by facts and references if possible. What I'm thinking about is that existing devs have to teach the new ones (thus losing overall development time), and then the new developers have to study the code (and tasks) before they can become fully productive.

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• Free book on C++ from

  - by TATWORTH

  At https://www.syncfusion.com/resources/techportal/ebooks/Cplusplus?utm_medium=EDM, SyncFusion are offering a free book on C++ for C# developers."C++ Succinctly was written to help professional C# developers learn modern C++ programming. The aim of this book is to leverage your existing C# knowledge in order to expand your skills. Whether you need to use C++ in an upcoming project, or simply want to learn a new language (or reacquaint yourself with it), this book will help you learn all of the fundamental pieces of C++ so you can begin writing your own C++ programs."

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• How do I allow a non-default user to use serial device ttyUSB0?

  - by lucaghera

  I have an Ubuntu 11.10 system with 2 users: The first was created during the installation The second instead was created after. It belongs to the sudoers group. Now the problem is that when the second tries to use a device ttyUSB0 the following error is returned: "Could not open serial port /dev/ttyUSB0" I was able to fix it by using: sudo chown :second_user /dev/ttyUSB0 However when I disconnect the device and reconnect it the problem comes back. Is there a way to allow different users to access the devices? I suppose I have to add the user to a specific group. Currently the owner is root and the group is dialout. However I'm not sure about the group and I don't know how to add the user. Thanks!

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• How to get VMware Workstation 8.0.4 work on Ubuntu 12.04 64 bit?

  - by user73987

  I've bought VMware Workstation 8 just today. After the installation I launched it and the application noticed me that "several modules must be compiled and loaded into the running kernel". During the process, VMware noticed me that was impossible to configure Virtual Network Devices and at the end, was impossible to start the services. The last message said that further information could be found at this address: /tmp/vmware-root-975001794/modconfig-22789.log So, I've pasted the content of the log message here. Can you help me or, rather, you suggest to wait for future updates of Ubuntu? My desktop environment is Unity.

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• How to avoid problems when installing Ubuntu and Windows 7 in dual-boot?

  - by BlaXpirit

  I want to try out Ubuntu (and hopefully choose it as my primary OS). After looking at many versions of it in VirtualBox and from Live CD, I've finally decided to install it. So I defragmented and shrinked one of the partitions to make room for Ubuntu. My current setup (after shrinking the D: partition): [·100 MB·] [······250000 MB······] [·······600000 MB·······] [··100000 MB···] Reserved Windows 7 system (C:) Data (D:) Free space NTFS NTFS NTFS (for Ubuntu) The Internet (including AskUbuntu) is full of scary stories about Windows not loading after installation of Ubuntu, something about installing GRUB to a wrong partition, etc. As I am a newbie to Linux and Ubuntu, it is very easy for me to do something wrong. Please mention the problems that may appear and explain how to avoid them. Ubuntu version that will be installed: 10.10 Desktop amd64 Please note that I have installed Windows 7 about a year ago, so I have much to lose if something goes wrong. I want to be very careful because there is no way for me to backup all the data.

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• Why Does Unity on Ubuntu 11.04 Lags Often That I have To Manually Shutdown/Restart my Core i3 Laptop?

  - by user20655

  I did a fresh install of Ubuntu then do did some upgrades. After my next restart when I try to open Ubuntu Software Center it took about 20 seconds for the window to load then 10 more seconds before it became click able. While doing some installation of software, Unity lags like hell that every time I click any application it takes a few seconds before I can see it. Even GEdit take a lot of time to load. The worst part was when I was doing nothing to my computer. Even on that part, my computer lags. My Laptop is a Brand New Core i3 with 2GB of RAM. Unity should run perfectly on that kind of machine right? BTW: I reinstalled Ubuntu 11.04 for about 5 times now and still nothing changed.

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• Application of LGPL license on a simple algorithm

  - by georgesl

  The "scope" of the GNU license is troubling me : I know it has been answered many times ( here, here, ... ) but shouldn't we take into consideration the complexity and originality of a code before using GPL license ? I explain : I'm working on a pet project using the DTW algorithm that I have written in C using the pseudo-code given on the wikipedia page . At one point I decided to change it for a C++ implementation ( just for hone my c++ skill ) . After doing so, I've looked for an existing implementation on the web, to compare the "cleanliness" of it, and I found this one : Vectored DTW implementation, which is part of limproved, a C++ library licensed under GPL v3 . Personnally, I don't mind the GNU license because it is a personnal project, which will never led to any kind of commercial purpose, but I wonder if this implementation can abide a company using it to open their code ( and other FOSS permissions ). Theoretically, I think it can ( I may be wrong :p ), but the algorithm in question is so simple (and old) that it should not.

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• apt-get upgrade E: Sub-process /usr/bin/dpkg returned an error code (1)

  - by user292425

  When I typed apt-get install upgrade, I got error: Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 1 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Do you want to continue [Y/n]? y Setting up linux-netizen (1.0.1-1) ... chrome: no process found dpkg: error processing linux-netizen (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: linux-netizen E: Sub-process /usr/bin/dpkg returned an error code (1) So I tried some method to fix it: sudo apt-get install -f and sudo apt-get install --configure -a But all methods are not working. Please help me....

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• What about the performance enhancement when using an SSD as the main disk?

  - by motumboe

  I'm planning to buy a new PC and I am thinking about using an SSD as the main disk. I'd also use a standard spinning disk and I'd mount it to /home. To the people already using such a setup: does this induce a practical, noticeable enhancement in performance? I think that access times, rather than transfer rates, are the more useful feature of SSD's. I would like to know if they have a noticeable effect on a desktop installation of Ubuntu. Thanks in advance!

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• Generate Unique Abstract Backgrounds with Ablaze

  - by Jason Fitzpatrick

  If you want custom and unique backgrounds without having to code your own image-generating engine, Ablaze makes it simple (and fun) to create abstract images. You can customize a wide array of options in Ablaze including the base shape (ring, horizontal line, or random), number of particles, distance each particle travels, and the speed (if you increase the speed range you get more distinct lines and if you decrease it you get smoother smokier shapes). You can also seed the design with a color palette pulled from any image you provide (the sample above was seeded with a Wonder Woman comic panel). Tweak and reset the pattern generation as much as you want; when you create an abstract image worthy of your desktop just click the save button to grab a copy of it in PNG format. Ablaze [via Flowing Data] 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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• Remove ubuntu when it's the only OS on the machine

  - by Frances

  I've been trying for hours to remove ubuntu 12 which is the only OS on my laptop. I don't have a Windows installation there. I've followed various bits of help, including trying to get boot-repair to work (I just get error messages when I try to run the recommended commands). Please can someone tell me how to get rid of ubuntu? It won't recognise my .iso copy of Windows - tries to read the DVD and then just boots ubuntu anyway. The DVD is fine - I can use it on other computers and it's perfectly OK. Frances

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• Can't install Ubuntu 11.10 on a seperate disk partition. I have a log file. Please help!

  - by les02jen17

  Before I installed Ubuntu, I resized my C: drive (which has my Windows 7 OS). Prior to resizing, I even defragged the said drive. I tried using Wubi to install it on the created partition, but I receive an error. I have the log file and I would post it but it's too long and the site won't let me. :(So anyway, I wasn't able to install it, so I uninstalled it. Upon uninstalling Wubi and Ubuntu, I tried installing it by having the CD to my CD ROM. The installation was a success, however, upon rebooting I can neither boot to Ubuntu OR Windows 7. I get stuck in an infinite bootloop. I hope you can help me out! :(

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• Cannot upgrade system because of this error

  - by user292375

  Setting up mongodb-org-server (2.6.1) ... * Starting database mongod [fail] invoke-rc.d: initscript mongod, action "start" failed. dpkg: error processing mongodb-org-server (--configure): subprocess installed post-installation script returned error exit status 1 No apport report written because MaxReports is reached already dpkg: dependency problems prevent configuration of mongodb-org: mongodb-org depends on mongodb-org-server; however: Package mongodb-org-server is not configured yet. dpkg: error processing mongodb-org (--configure): dependency problems - leaving unconfigured No apport report written because MaxReports is reached already Errors were encountered while processing: mongodb-org-server mongodb-org E: Sub-process /usr/bin/dpkg returned an error code (1)

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• update-grub is setting a wrong linux root partition

  - by adrian m

  Initially, Ubuntu was installed on another partition (sda5 or sda4). At some point I did manually move the root partition to sda2. Now, the problem is that whenever a new kernel is installed, the automatic regeneration of the menu.lst is using the OLD Linux partition. So I have to manually change in menu.lst the lines : root (hd0,5) into root (hd0,1) How can I configure update-grub to automatically generate menu.lst with the current Linux root partition? I assume that the (hd0,5) was written somewhere at installation, but I couldn't find it.

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• Machine check error on ASUS while booting from USB

  - by user100453

  I put the last Ubuntu iso on my USB stick using UNetBootin, after formatting it to fat32. I've already done that before with other operating systems and it worked. I can't actually boot Ubuntu from USB since I get a black screen with the error "Machine check error" on top the an automatic reboot happens. The error appears right after the boot, I can't see anything else before. I'm using my ASUS X54L latop. Does anybody know how to solve this? Installation from CD/DVD works.

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• Is this the place to ask SEO questions [on hold]

  - by user39206

  I'm adding business listings to an existing website of which Google has sort of been referencing well but my Meta tags have a lot to be desired! Due to other work commitments I have kind of neglected the site but now think I should put the proper time and effort into getting it just right as it does earn me money. I am a developer so I have all the necessary skills to build the site, it's almost done!. Now I'm just a little worried that I could do something wrong and loose the rapport I've built up with Google in the past or be ban. Especially with the new tags I see like: <link rel=”publisher” href=”https://plus.google.com/[YOUR BUSINESS G+ PROFILE HERE]“/> Really I just want to know for now, is this the place to ask SEO question?

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• Ubuntu 14.10 no GUI or term login

  - by Lito

  I have updated yesterday my Ubuntu 14.10 installation with apt-get dist-upgrade. I was working all afternoon and after that I have rebooted computer. Once done it, lightdm doesn't starts (only gnome logo) and I can not view any of Ctrl + Shift + [1-6] terminals (cursor is blinking). I have read a lot of posts with no success: nividia/intel conflicts (I have a laptop with an Intel graphic card) I have enabled nomodeset and tried all this options My computer boots to a black screen, what options do I have to fix it? I have repaired grub I can load recovery/livecd/windows and mount partitions and network without problem I have all packages and system updated Here my logs. X11 not shows any error or problem, is loading all needed drivers without problem. How can I raise the level of debug? Best regards.

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• netbeans doesn't display properly after permission change

  - by psychok7

  So basically i installed netbeans 7.2 through the site and everything worked fine. I then changed permissions for /var/www so that my apache2 could write on it without problems. After that netbeans started behaving strangely and giving errors and the fonts where all ugly. So i re-installed it but the problem continued. I have options in Tools that don't even show up anymore. If i open with Sudo the fonts come up nicely again, but the amount of options still isn't the same as the original installation Can anyone help me?

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• My ethernet connection is not working but it is detected by my computer

  - by smithy545

  I'm setting up an old computer with ubuntu server 12.04. I wiped the drive and went through the installation fine but afterwards the ethernet would not work. It's physically connected to the router and the card is recognized by lspci(SiS 900) but it won't connect at all. I've plugged in and installed the drivers for a wifi adapter and it's worked with the same router. Just so you know I've turned it on and off plenty of times. Any help would be appreciated.

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• Lubuntu does not render font accurately [closed]

  - by mac

  I'm experiencing a weird bug, which I don't see to be able to track down to anything in particular.... Sometimes, Lubuntu won't display entirely a letter or two of the font used system-wide. I attached a screenshot of the last occurrence of the problem, where the affected letter is t. Any idea on what is causing it? And even better: any idea on how to fix it? PS: My Lubuntu installation is pretty much a stock one. I installed some additional software like "kupfer", "tilda" or "alsamixer"... but - as far as I remember - I did not tweak in any way the LXDE settings...

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• What driver for nVIDIA GeForce MX440?

  - by ubufan

  I have recently installed (clean install) Ubuntu 12.10 on a desktop PC with nVIDIA GeForce MX440 (AGP 8x) and I have problems with Unity. Although I can see the desktop, however i can't see unity bar and icons. So, I decided to install lubuntu-desktop to see the performance. And yes! I choose lubuntu-desktop from Log On screen and the performance is definetely much better and has nothing to do with the aforementioned on unity. The system has native drivers from the Ubuntu installation. I didn't touch anything in xorg configuration. I also remember that I have managed to have the best performance with this graphic card on my previous Ubuntu 9.10 system, by editing some values in /etc/X11/xorg.conf file. But I can't remember that options, because I formatted the / partition! My question is: Which is the most suitable driver for this card, in order to load the unity feature and have better performance on it?

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• Ubuntu 12.04 Running Faster Than Normal

  - by One Zero

  I have just installed a new copy of Ubuntu 12.04 on my laptop . i have noticed that my system is running 4x to 5x faster than normal . i have just install Vmware Desktop & centos for testing something . i have noticed that i has installed in just like less than 1 minute !! My system is booting so fast that after starting my laptop i got GUI in like 10 to 13 sec & shutting down in like 2 to 3 sec & all programs ( Firefox , Chrome , etc ) running so fast that i can see .... The only change i made after installation is cat /proc/sys/vm/swappiness 1 How do I configure swappiness? The System is Dell N 5110 i7 with 8GB of RAM So my question is that what should i look for that why my system running very fast ?

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• Android 3.0 devrait sortir en mars 2011, sera-t-il trop tard pour percer sur le marché des tablettes ?

  Android 3.0 devrait sortir en mars 2011, sera-t-il trop tard pour percer sur le marché des tablettes ? Mise à jour du 24.12.2010 par Katleen Après l'installation d'un bonhomme de pain d'épices dans le jardin du QG de Google aux Etats-Unis, d'autres indices viennent préciser les conditions de l'arrivée d'Android 3.0. Si la firme reste très évasive sur le sujet, elle dissémine néanmoins quelques informations, directement ou non. Ainsi, plusieurs constructeurs ont annoncé l'arrivée de leurs modèles de tablettes tournant sous l'OS mobile à partir d' avril 2011. Pour que les industriels puissent proposer leurs produits, il faut bien que le système d'exploitation soit disponible. Ce qui sit...

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• Generating CMakeLists.txt

  - by vanna

  I got a bunch of C++ sources files and headers. They may use external libraries such as Boost e.g. I am interested in the process of building binaries for Windows and *nix. Makefiles (*nix) and .vcproj (Windows) call compilers with some specifications such as the order of compilation, compilation options and stuff. CMakeLists.txt can be used by CMake to build either makefiles or .vcproj and use very helpful commands such as recursive search of files, automatic linkage with known libraries, installers, variables that can be used in source files... Is there any existing tool that would generate a CMakeLists.txt from specified options ? Options could be like : scan this folder and make a library out of it, then scan this other folder and make an executable and automatically link both with Boost as well along with a user friendly installer with generated INSTALL.txt and README.txt. Something very powerful like that.

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