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• logging with Openbox / Gnome shows empty Desktop

  - by Sandking

  I installed new 12.04 and Openbox. I logged in with GNOME/Openbox and now after system starts I see only Desktop background image and nothing more. When I right click I can do normal GNOME actions like create folder and nothing more really. alt+f2 doesn't start run window though I managed to create a folder and then with Nautilus start terminal but I really don't know what to do next. Two questions: Why doesn't Openbox start properly? How in this situation I can get back to GDM login screen and choose other option to log in?

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• Time display and Cursor bug in Ubuntu 14.04 LTS

  - by user291774

  Just installed Ubuntu 14.04. Noticed the time in seconds speeds up then slows down to normal speed. The cursor for the keyboard has a strange rhythm; it stays normal, then slowly speeds up faster and faster till it looks like it's not blinking anymore, then goes back to normal and starts the process again. It almost seems like my whole operating system speeds up then slows down again. Even the hour circle that spins when it's loading starts slowly then it picks up speed till it spins so fast it looks like it's not even spinning. It interferes with video and the whole system. I have a Dell Vostro 3750 dual video cards and dual boot with Windows 7. Windows is running fine.

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• CPU spikes cause audio stuttering in Audacious when browsing? (Lubuntu)

  - by Alucai Vivorvel

  My default audio player is Audacious, browser Google Chrome. I tried Firefox, and while I love it, the CPU load spikes when doing something as simple and small and switching a tab, which causes the audio playing to stutter (as sound is onboard and handled thru the CPU). Chrome doesn't do this as much, but there is the occasional stuttering when browsing, which is ridiculous, as not even Windows Vista does this. So I thought maybe it's something to do with how Lubuntu handles sound, I checked and only ALSA was installed. I tried installing PulseAudio, but, while the music "plays", nothing comes through the speakers. Immediately after switching back to ALSA the music pours out of them. So I was wondering if you had any idea what was going on here. I asked on Ubuntu Forums but apparently my problem is too complex, as it's been over a week since the last reply. Specs are: AMD Athlon 64 3200+ @ 2GHz 2GB Corsair 667MHz DDR2 RAM ATi HD Radeon 3650 (AGP) 512MB 500W Cooler Master PSU 80GB SATA II HDD (Vista is installed on 500GB drive) Biostar K8M800 Motherboard

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• Would it be more efficient to handle 2D collision detection with polygons, rather than both squares/polygons?

  - by KleptoKat

  I'm working on a 2D game engine and I'm trying to get collision detection as efficient as possible. One thing I've noted is that I have a Rectangle Collision collider, a Shape (polygon) collider and a circle collider. Would it be more efficient (either dev-time wise or runtime wise) to have just one shape collider, rather than have that and everything else? I feel it would optimize my code in the back end, but how much would it affect my game at runtime? Should I be concerned with this at all, as 3D games generally have tens of thousands of polygons?

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• Cannot boot Windows 7 after installing Ubuntu 13.04

  - by whowantsakookie

  So I boot up my computer after installing Ubuntu 13.04. Grub correctly shows me all available boot options and I am able to boot to Ubuntu. However, when I try to boot into Windows 7, grub hangs at a purple screen. I have an HP laptop. It came with all four primary partitions taken up by the Windows bootloader, the actual Windows partition, one called HP_TOOLS, and another for HP Restore. I was able to back up and delete HP_TOOLS and the recovery partition, and change my disk type from Dynamic to Basic (GParted doesn't recognize Dynamic drives). I then booted into a live session of Ubuntu and made two partitions with GParted: one large partition for storage space that I could use between the two operating systems (sda4), and another extended partition (sda3) which contained Ubuntu (sda6) and it's swap space (sda5). It currently looks like this: I'm not sure if the second paragraph is actually relevant, I just want you to know all the variables in the equation. Thank you in advance for helping this poor noob.

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• cursor jumps when moving (and some other times)

  - by nyne

  i updated to 12.10 beta 1 when it was released (coming from 12.04 fresh install, i skipped the alpha releases of 12.10) since then i've done all the usual updates but ive had an issue with my cursor jumping. it does not jump when typing, i've done a lot of searching and cant find an answer, it tends to happen most when i move the cursor the jump is maybe 15-20 pixels down and to the right it seems like a display issue because if i hover over a link or the x to close a window the cursor will settle in it's down/right position, but the whatever im hovering over will still act as if that's where the mouse is, and clicking still works on the item. so the mouse is actually in its original location, but it's displaying offset and flickering back and forth from its down/right position and its correct position this makes use very difficult because the mouse is never displayed where it actually is and i have to estimate my clicks any ideas?

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• ubuntu freezes right after loading

  - by toast

  new install of ubuntu 12.04 i386 desktop.iso on a toshiba satellite intel celeron m gets to the desktop screen and freezes the mouse still moves but nothing responds to it started terminal by pressing ctl+alt+f1 tried "startx" and got this(i cant copy and paste but i will do my best to avoid typos): fatal server error: server is already active for display 0 if this server is no longer running, remove /tmp/.X0-lock and start again please consult the x.org foundation support for help ddxSgiveup: closing log XIO: fatal IO error 11 (resource temporarily unavailable) on x server ":0" after 7 requests (7 known processed) with 0 events remaining. xxxxxx@aaaaaa-Satellite-a105:~$ tried "startx --:1" just took me back to the default wallpaper with nothing else mouse still moves but nothing else

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• Huge company wants my domain name

  - by Charles Marsh

  Not sure if this is the right place to ask but I'll give it a go. I simply require a little advice; A very large hosted e-commerce platform emailed me a while back and basically asked me to transfer my domain name to them. They made no offer but simply said 'why not change your domain to xx - xx instaead of xxxx' Not they own all the equivalent names in .com, .org all of them apart from my .co.uk I am a registered partner of theirs and my website is a portfolio of all my themes but I also get a lot of enquires through it. I had heard rumors this company is opening an office in the UK! I'm right in thinking I shouldn't just roll over right? I've put some much effort in to SEO and building my reputation... I can't just give it up surly?

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• HP Bluetooth Mouse Connection Problems

  - by Arthur Upfield

  About a month ago, I turned on my laptop (Ubuntu 14.04 and Windows 8.1 dual boot, though the mouse works fine in Windows), logged in and connected my HP x4000b mouse via a bluetooth dongle (Kinivo BTD-400), and noticed that the battery indicator in Ubuntu said that the mouse battery was at 0%. The day before it was around 30%, so I decided to just change the batteries in the mouse, but after reconnecting with the new batteries, it still said 0%. The mouse connected and worked just fine, so I didn't think much of it. About a week after that, I noticed that my mouse would sometimes disconnect if I didn't use it, but since reconnecting isn't that hard I just decided to leave it. Now it also won't reconnect unless I log out and back in again, which is getting sort of tedious. Is there any way to fix this issue? Any help is appreciated, and I will try and respond to questions ASAP. Thanks.

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• Playing a sound on collision?

  - by Eric McLoughlin

  I'm making a pool game. I've separated the gameplay logic and the physics into two systems, entities and physics. Each entity holds a reference to a body which the physics system uses. The body itself holds a reference back to it's owner. When an entity collides with another entity, the Collided(Entity other) method is called on both. What I'm trying to do now is to play a sound when both entities colliding are of a certain subclass. I'm not sure how to do that. I could do it in the Collided method, but then the sound would be played two times at the same time, since the method was called on both entities. How do you suggest I do this?

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• Are nested classes under-rated?

  - by Aaron Anodide

  I'm not trying to say I know something everyone else doesn't but I've been solving more and more designs with the use of nested classes, so I'm curious to get a feeling for the acceptablilty of using this seemingly rarely used design mechanism. This leads me to the question: am I going down an inherintly bad path for reasons I'll discover when they come back to bite me, or are nested classes maybe something that are underrated? Here are two examples I just used them for: https://gist.github.com/3975581 - the first helped me keep tightly releated heirarchical things together, the second let me give access to protected members to workers...

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• How to completely remove Ubuntu?

  - by les02jen17

  I installed Ubuntu using Wubi installer, but I couldnt boot to it. So I uninstalled it on the Control Panel. Then I tried the full installation wherein it boots to the Ubuntu environment. After installing Ubuntu there, I couldnt boot to my Windows 7 anymore! So in an attempt to salvage the whole thing, I inserted the Ubuntu CD again and chose Erase Ubuntu and Reinstall. (I was wondering, why wasn't there an option to just "Erase Ubuntu"?) I did that though, and I got my Windows 7 back. But upon checking my drives via the "Create your own partition scheme" (not sure if it's the exact words) I saw that one of my partitions still has Ubuntu on it, and there's no way I can delete it if I don't overwrite another Ubuntu! I can't access that partition on windows 7 either! Need help!

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• Distorted graphics, problems with starting up

  - by GreenEggsAndHam64

  Using the newest version of Ubuntu, freshly installed. NVIDIA GeForce GTX 560 Ti. It's mostly the font that doesn't render well, I think. Small logos do it too, sometimes. Screenshot to clarify (see bookmarks, search bar, etc.). EDIT: Another screenshot. And, sometimes when I start up, I get only a black screen saying [OK]. I can move my mouse around, but nothing helps, except for restarting. Also, my desktop picture doesn't stay the same. Every time I start up Ubuntu it goes back to the standard purple background. They're not very serious problems, but it's all a little annoying. Thanks in advance for your help.

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• How to display time in the top panel?

  - by Mörre

  I thought I already had the time up there in the top bar, and it may have been so in previous Ubuntu versions (don't remember, my Ubuntu laptop is just one of three computers I use). Only that I just noticed - me being someone who never wears a watch, has the cellphone turned off 95% of the time and relying on the computer to tell the time - that there is no time being displayed anywhere, and I had expected it in the top bar on the Unity desktop. I searched around but found no obvious solution, but I'm sure someone immediately knows how I can get my time (back?) into the top bar?

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• Ubuntu 11.10 USB 3.0 HDD

  - by Chazm

  I have a problem with my external HDD (WD My Book Essential 1TB) working on USB 3.0 port. I'm using dual boot setup with Windows 7 and Ubuntu 11.10, both 64 bit. While I'm running Windows and rebooting back to Windows everything works well. When I'm switchin to ubuntu everything works great as well. But after 1st reboot from ubuntu neither windows nor ubuntu mount the external drive. I have to reboot the device manually. I suspect that the problem is with unmounting the device on shutdown on ubuntu. The case concern only usb 3.0. When i plug the same device into usb 2 port the problem doesn't persist. Does any1 hit the same problem or have a clue what might goin wrong?

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• Can I install Ubuntu 12.04 on MacBook 6.1 (Late 2009) on my external hard drive?

  - by tommywinarta

  I have no experience in installing Linux based OS on MacBook, but I already have Windows installed on my Mac. I read some articles saying I can have the Lucid Lynx installed in my Macbook 6.1 and luckily I already got the CD (which was distributed for free back then haha), my question is that can I have the 12.04 installed instead of the 10.04 and what do I need to do that? I also would like to know can I install it on my external hard drive just like installing it on a usb stick? I have viewed the how-to for installing the Lucid Lynx, is it just the same? Thanks in advance!

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• Ask The Readers: How Do You Find Your Next Game?

  - by Jason Fitzpatrick

  Once upon a time the only place for new video game information was down at the arcade. These days there’s a news source and niche for everyone and every kind of game; where and how do you find your next video game conquest? Word of mouth? App recommendations? Critical reviews? This week we’re interested in lining ourselves up for a little summer fun: tell us all about your tips, tricks, and techniques for finding the real gems in the pile of games that comes out every year. Sound off in the comments and then check back in on Friday for the What You Said roundup. 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? HTG Explains: How Windows 8′s Secure Boot Feature Works & What It Means for Linux

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• Strange right click problem?

  - by KashmirHackers

  Last night I installed some applications and updated my Ubuntu 12.04 LTS,since then I encountered a strange right click problem, that is my right click is not working but when I open home folder from launcher right click works again. Actually problems starts last night when my desktop wallpaper changes suddenly to Ubuntu default, when I tried to change wallpaper I find that my right click is not working. I tried to reboot system but that also not solved my problem,i clicked here and there but when I opened the home folder my wallpaper changed again to previous one and when I checked the right click it is also working. Now the problem is that this problem comes back again whenever I turn on my system,and also whenever this problem occurs the Ubuntu desktop menu bar also disappears from unity top panel. Don't know what is really going on, please can anybody help me.

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• My data vanished after copying to E drive

  - by pnp

  Of late I had been thinking of having a fresh install of Ubuntu. So I cut-pasted all my required files and folders in my E drive. Then I decided to not to have a fresh install and just let it be. Later, when I booted up in Windows (dual-boot with 12.04 and Windows 7), I found that the files and folders I had cut-pasted from my home account in Ubuntu are just not there. What is even more surprising is that now, when I am back on Ubuntu, those files and folders that should have been there in my E drive are also not there. Is it an Ubuntu issue or a hard drive issue?

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• Login and redirect to user home page [migrated]

  - by Rich

  The problem I can't currently solve is when a user logs in. They arrive at the site (index.php) and enter username and password, which gets submitted via a Post form back to index.php - if there are incorrect details then they get an error message. But if successful then I would like them to be taken to their user home page - but I can't do this! I am left presenting them with a link to the home page, which is more than a little clunky. Seems there must be an obviously solution - never seen a site before that didn't redirect! Not sure is the answer is PHp, HTML, or Javascript.

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• Cannot get grub menu to timeout (or go away)

  - by Eric

  I am running Ubuntu 12.04. I cannot for the life of me get the grub menu (with options) to go away. I would like it to auto-boot into the first option. I've edited /etc/default/grub so that it looks like the following: GRUB_DEFAULT=0 GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=10 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" GRUB_CMDLINE_LINUX="" After this, I ran sudo update-grub. Then I realized that I had grub 2, so I ran sudo update-grub2 (both make it look like they create the grub.cfg file successfully. I restart my computer and it goes back to the grub menu and just sits there until I make a choice. This is not desirable if the power goes out... :-) I also tried reinstalling grub using sudo grub-install /dev/sda - also unsuccessful

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• What IRC client(s) would allow me to filter out log messages?

  - by Aras

  I have been using Empathy and more recently Pidgin as my IRC client. But there is one feature missing from both of these clients that keeps bothering me. I want to be able to see only what people are actually talking about in each channel. I often like to leave IRC channels open and go back to them and read the messages for the last few hours or days. I saw that IRC clients have been discussed in this post and a few others, but I have not found what I am looking for yet. Here is what I want to see in my IRC client: what actual people say Here is what I do not want to see message about people entering the room people leaving room people changing their status messages or what they are known as people sneezing people's cats sneezing Anyway, you get the picture. What IRC clients are available for Ubuntu that would allow me to configure what I see so that I can see what people are talking about -- and nothing else?

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• fresh install, update and x-windows no longer working after login 12.10

  - by Tigz

  I Just recently installed desktop 12.10 on laptop, all was working fine logged in and it stated it wanted to update as it found updates. naturally I let it update and it asked me to reboot to use the new updates did that, now it boots fine i get login prompt. login as per normal then all i get is background with nothing else, if i turn off the wireless i get the disconnection notification pop up but i have nothing else on screen any wrror messages gets displayed as well but their is nothing. their was one program that failed that no longer prompts which gives options of reloading or just closing and continuing either way it just look like it hangs I can ctrl alt del to log out and it does that fine but still wont load no mater how many times i try saw a topic about a ati driver playing up which he typed the following in a ty which i can get to all of them as well. export DISPLAY=:0;gnome-shell --replace the answer i got back was the program gnome-shell is not installed you can install it by typing sudo apt-get install gnome-shell i also tried sudo pkill X which did nothing any help would be appreciated Thanks

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• Question about whether I should pursue minors or work towards a masters [closed]

  - by user75493

  I'm a sophomore about to go into my Spring semester in a few weeks and I am trying to decide some major things that will affect the next few years of my life and was looking for some guidance/advice. I'm currently working towards a Bachelors in Computer Science and my question was whether I should minor in Corporate Strategy and Math or just work towards a Masters in Computer Science? I was wondering if employers are more looking for Masters degrees in Computer Science or if those minors could be beneficial to me. Some things that may affect responses: I already have all my other requirements filled for graduating except my Computer Science classes, I've already had an internship this past summer and am already hearing back from several companies about internships for this upcoming summer. Thanks in advance! - Alex

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• How do I recover when Compiz crashes?

  - by winchendonsprings

  Often compiz will crash and leave the keyboard useless. Normally I drop to the console and restart GDM. Is there a solution where I can start Compiz back up without losing everything in the current session? compiz --replace & That's how I usually restart Compiz when it crashes and I can still use the keyboard. (If you have a tip on how to prevent Compiz from crashing I've posted here Fresh install of 11.04x64 - display(compiz) constantly failing ??? - Am I right that Compiz is failing or is it X?

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