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• Dualboot (Win 8 / Ubuntu 13) is stuck at 'switching to clocksource'

  - by Daniel Puscht

  for days I have been crawling the web for solutions to my problem, but couln't find any. Here it is: I got a new Laptop (ASUS Vivobook S200E) with Win 8 OEM preinstalled. I wanted to create a dual-boot system with Ubuntu 13 next to it. I read about UEFI and that I have to turn of Secure Boot and use the existing EFI partition as bootloader for Ubuntu. So I did. I also ran boot-repair reinstalling the GRUB. The result is when I start the computer I get into the boot menu. So far, so good. When I pick Win everthing is fine. But when I choose Ubuntu (recovery) the system starts, but gets stuck at the line '[1.806366] Switching to clocksource tsc'. I already tried other versions of Ubuntu (12.04.2, 12.10). I played with boot-repair (using the recommended fix, setting everything manually). But nothing works. It's always the same issue. I read that it could be a problem concerning graphic drivers, but this I can hardly believe. If this is any help, boot-repair gave me this link to post in fora. http://paste.ubuntu.com/5810391/ Thanks for any help in advance

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• mod_rewrite problems - redirect subdomain to different domain

  - by Tom

  I must have a brain freeze as I can not get my rewrite rules working. RewriteEngine On RewriteCond %{HTTP_HOST} ^otherdomain\.example\.com [NC] RewriteRule ^(.*) http://www.otherdomain.com/ [R=permanent,L] RewriteCond %{HTTP_HOST} ^(www\.)?example\.com [NC] RewriteCond %{REQUEST_URI} ^/otherdomain [NC] RewriteRule ^(.*) http://www.otherdomain.com/ [R=permanent,L] What I want is essential to redirect otherdomain.example.com and example.com/otherdomain to otherdomain.com

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• how to change dolphin's select region of a file/folder (in detail view mode)

  - by Daniel

  Since nautilus has removed the dual pane. So I turn to dolphin. I am wondering how to change the default select behavior in detail view mode? Now to select a file/folder, my cursor has to hover over that file/folder and then the left click will take effect, but I much prefer the nautilus way, that is as long as your cursor is in the same row of that file/folder, left click picks up that item. This I think is more robust for user selection, it is faster. Any ideas how to achieve this in dolphin?

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• What sort of data should be sent for mouse-based movement in a multiplayer game?

  - by Daniel

  I'm new to the Multiplayer Rodeo here so please bear with me... I am just getting started and I'm trying to figure out how to deal with movement. I've looked at the question Best way to implement mouse-based movement in MMOG which gives me a pretty good idea, but I'm still struggling with what kind of data should be sent to the server. If a player is on position [x:0, y:0] and I click with the mouse on [x:40, y:40] to start movement, what information should I send to the server? Should I calculate the position based on velocity on client side and just send the expected location? Or should I send current location and velocity and direction? When the server is updating the clients on the players' whereabouts, should the position be sent only, and the clients expected to interpolate/predict movement, or can the direction sent from the client (instead of just coordinates) be used. My concern(or confusion) is regarding the ping/lag frequency of data update and use of a predictive algorithm, as I'd like the movement to be smooth even with a high latency, and prevent ability to cheat(though that's not the top priority).

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• Logging every time a command is run

  - by Tom D

  I want to log every time I run a certain type of command in the terminal. For example, every time I run: sudo apt-get install [something] I want to add [something] to a log file in my home directory that will look like the following: [timestamp] [something] 2012-10-02 mysql-server 2012-10-03 ruby1.9.1 2012-10-06 gedit-plugins 2012-10-07 gnome-panel synaptic What's the easiest way to make this happen automatically?

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• How to recover Wordpress on GoDaddy hosting after reseting database password? [migrated]

  - by Tom Brito

  I did reset my database password, so I could enter the phpMyAdmin, but now my Wordpress installation can't connect to the database. I tried to access the "wp-config.php" (should be at http://mysite.com/wp-config.php right?) but, again, I get the "can't connect to database" message. Also, now when I try to access the file manager on the GoDaddy hosting, I get "The page isn't redirecting properly". I did e-mail the GoDaddy support, and I'm researching while they do not answer. Not sure if it's a GoDaddy or Wordpress issue. Is there any way to fix Wordpress, or I'll need to re-install it?

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• Blatant copyright theft

  - by Tom Gullen

  Found a user on the forum trying to solicit business for his website, a good user reported it and I checked the website out. Firstly and most dangerously it's attempting to sell our original software, which is open source. Our open source software is around 15mb big and he's serving a 50mb download and trying to sell it for $20. He's also stolen our CSS/images/site design in general which is all custom built. I attempted to open reasonable discussion with him, and he responded promptly saying he would remove offending materials if he could just have 3 days to sort it out which I accepted. I'm not sure what his plan was because everything on that site is offending material. Anyway he messaged back saying the site was offline, and it was, but it went back online shortly afterwards. It's pretty sickening that someone is selling open source work as their own, (the site about us page references him as the sole developer etc etc, it's unbelievable to read it). I want to shut it down, what are my options? I'm going to contact his domain registrar, web host, and Paypal (that's how he's selling the program). Any other ideas?

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• Upgrading to 12.10 on an external hard drive

  - by Tom Childers

  I did some googling on this and didn't find anything specific for my situation. I currently have 12.04 installed on an external USB hard drive. It's working great. I want to upgrade it to 12.10. My bandwidth is very limited so I have a friend who will download 12.10 for me and put it on a flash stik. Then I can upgrade without having to do the download myself. Which particular version of the 12.10 download file(s) should I get? Are there alternate 12.10 downloads that have all the packages? How do I set it up so when I upgrade 12.04 I can specify that it look in some local repository for the 12.10 files? Can I just dump the 12.10 files in some local directory? Or do I have do go thru some complex commands to create a local repository? I'm pretty new to Linux so a long process of complex terminal commands will probably be a show stopper for me. Remember that my 12.04 install resides on an external hard drive. And I have a laptop with multiple USB ports. Thanks! Advait

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• How to fix "ndiswrapper not found"?

  - by Tom

  I've been using ndiswrapper to make work some wireless cards using its Windows drivers, because they are not yet supported by free Linux drivers. Until Ubuntu 12.04. Now, I can install Windows Wireless Network Drivers (ndisgtk) from Ubuntu Software Center but when I try to load the driver, I get an error message saying FATAL: Module ndiswrapper not found. I get the same error if I type on a terminal sudo modprobe ndiswrapper. How can I workaround this bug until it's fixed?

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• How to get past black screen with mouse icon while installing on Gateway MX6920?

  - by tom kruse

  I have an old Gateway MX6920 laptop that got a virus on its hard drive so I put in a new one from another laptop. When i turn it on it tries to load Windows but fails so I'm going to try to put Ubuntu on it (because I heard it's a good OS). I downloaded the 32-bit desktop version of Ubuntu and burned it to a CD. I put the CD in the computer, went to the boot menu, and selected CD-ROM. The computer tries to boot but stops at a black screen with a mouse icon sitting in the middle of the display. I have no idea what's going on, so please help.

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• Ubuntu One pretends to sychronize files, but it doesn't

  - by Tom Brito

  I have my Ubuntu One account configured in both Ubuntu 11.10 and iOS (ipod-touch). The photos from the iOS were successfully uploaded, but in Ubuntu One, although it shows the "syncing" and "synchronized" marks over the icons, the files are not showing in the website (one.ubuntu.com). In short: My files are not showing in the Ubuntu One website, although the icons have the "uploaded" mark. Any idea what can be wrong here? obs1: Also, not sure if it's related, the icon-marks will show only when I open the Ubuntu One Control Panel. It shows the message "file was uploaded", but there's nothing online. obs2: The folder I'm trying to synchronize is 30mb size. And my connection is 8mbps.

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• Consuming too much power on a Dell 15R

  - by Daniel Davis

  I'm new to Ubuntu, and I've just installed Ubuntu 11.10, and I must say I really like it a lot. I'm getting used to Ubuntu faster than I thought but the only issue I'm having is the power consumption. I have a " dell 15R with BIOS a07" and I uninstalled Ubuntu 11.04 because of some glitches I hated. None of those appear on this Ubuntu but now my computer discharges way too quick. when I check the power icon, it states that I have like 3:45 min remaining, which is fairly the same as what win7 and Ubuntu 11.04 used to tell me but 15 min later I check again and it gives me only 1:15 min remaining. Also, my computer seems to get a lot hotter than it used to. Is there more options to control the power usage on my laptop?

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• PHPForm mail help [closed]

  - by tom

  I have a PHP Form with two different fieldsets and about 4 labels within each. The form mailer is one i found on a tutorial but I'm not sure how to set in all the variables. Should all the 'label for' names also be the name of the variable? And is it easy to format with font-size etc.. once its been sent to an email for easy reading? $course_title = $_POST['course_title']; $course_date = $_POST['course_date']; $course_code = $_POST['course_code']; $course_fee = $_POST['course_fee']; Say i have - Personal Details labels with - first_name, address, postcode, dob. Course Details labels with - course_title, course_date, course_code Would this be correct and if not would anyone be able to help me out here.

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• Prediction happening on (sending) client side

  - by Daniel

  This seems like a simple enough concept, but I haven't seen this implemented anywhere yet. Assuming that the server just forwards and verifies data... I'm using mouse-based movement, so it's not too difficult to predict the location of the player 150ms from when the event is sent. I'm thinking it is more accurate than using old data and older data on the receiving clients' side. The question I have, is why can I not find any examples of this? Is there something fundamentally wrong with this that I cannot find anyone implementing or talking about implementing this.

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• Replace LightDM with MDM on Ubuntu 13.10

  - by Daniel

  I'm trying to replace LighDM with MDM on Ubuntu 13.10, but there already is package in Ubuntu sources called mdm. It's not display manager, but "The Middleman System"... So the PPA install doesn't work. I tried installing .deb package and it changed login screen, but gave me an error message after login and then X stopped. I had to revert back... Any ideas on how to install mdm on Ubuntu 13.10...???

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• What is the reason for high power consumption in 12.04?

  - by tom

  I haven't seen this exact question posted or any related answers, so I'm re-posting. Here is the problem: After upgrading to Ubuntu 12.04 Precise Pangolin, my t420s laptop idles above 20 watts (right now with only Chrome running, I'm using 25.4 W) I had a similar problem with Ubuntu 11.10, but after much tweaking the power consumption came down < 10 W on idle. The primary culprit to the 11.10 problem was supposedly fixed by default in 12.04. So my question is, what is happening now? Computer: Lenovo Thinkpad t420s, with Intel i5-2520M @2.5 Ghz - 2x 4gb ram - disk 0 HITACHI 320 Gb - disk 1 SATA SSD 128 Gb

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• Change Keybindings (hardware to software)

  - by Daniel

  I ran a search for this, but the answers I saw were referring to something altogether different than what I'm asking for. So let me clarify: I'm not asking how to change key-combo shortcuts. I'm asking--how do you actually change what your computer thinks you did when you press a given key? An example of what I mean (and the reason I'm asking). I'm a Chrome user, and I use Windows alongside Ubuntu. I own a Lenovo Thinkpad T61p--it came with my scholarship package, and I would have shopped for a nice computer if I could have. The T61p has two buttons above the left and right arrow keys that relate to browser commands to go back and forth one page. This is extremely frustrating for me, as I use the arrow keys, and a single accidental keystroke will catch me going back a page, losing temporary data, and yelling at my stupid keyboard. At the same time, I'm the type of person who keeps way too many tabs open. Chrome doesn't let me refigure keyboard shortcuts, and the only way it allows you to switch between tabs are ctrl+tab and ctrl+shift+tab, and ctrl+page up/down. I was using Notepad++, and they had finally found the solution to both problems! The page back and forth keys functioned as tab back and forth keys. I went through quite some effort to learn how to change the keybindings in Windows. The page back and page forward keys are now the page up and page down keys, respectively, and if I hit control, they let me switch tabs easily, and rather pleasantly. And if I hit the keys by accident, no harm, no foul. Alas, I'm in Ubuntu now, and I need to go through the process again. And while I couldn't just find the answer online, like I did for Windows, I know Ubuntu has nice, supportive communities like this one, where, hopefully, somebody can tell me how to do either what I did in Windows, or directly make it so that my computer changes tabs when I hit those buttons (removing the ctrl button from the tab-changing command).

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• What is the most appropriate testing method in this scenario?

  - by Daniel Bruce

  I'm writing some Objective-C apps (for OS X/iOS) and I'm currently implementing a service to be shared across them. The service is intended to be fairly self-contained. For the current functionality I'm envisioning there will be only one method that clients will call to do a fairly complicated series of steps both using private methods on the class, and passing data through a bunch of "data mangling classes" to arrive at an end result. The gist of the code is to fetch a log of changes, stored in a service-internal data store, that has occurred since a particular time, simplify the log to only include the last applicable change for each object, attach the serialized values for the affected objects and return this all to the client. My question then is, how do I unit-test this entry point method? Obviously, each class would have thorough unit tests to ensure that their functionality works as expected, but the entry point seems harder to "disconnect" from the rest of the world. I would rather not send in each of these internal classes IoC-style, because they're small and are only made classes to satisfy the single-responsibility principle. I see a couple possibilities: Create a "private" interface header for the tests with methods that call the internal classes and test each of these methods separately. Then, to test the entry point, make a partial mock of the service class with these private methods mocked out and just test that the methods are called with the right arguments. Write a series of fatter tests for the entry point without mocking out anything, testing the entire functionality in one go. This looks, to me, more like "integration testing" and seems brittle, but it does satisfy the "only test via the public interface" principle. Write a factory that returns these internal services and take that in the initializer, then write a factory that returns mocked versions of them to use in tests. This has the downside of making the construction of the service annoying, and leaks internal details to the client. Write a "private" initializer that take these services as extra parameters, use that to provide mocked services, and have the public initializer back-end to this one. This would ensure that the client code still sees the easy/pretty initializer and no internals are leaked. I'm sure there's more ways to solve this problem that I haven't thought of yet, but my question is: what's the most appropriate approach according to unit testing best practices? Especially considering I would prefer to write this test-first, meaning I should preferably only create these services as the code indicates a need for them.

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• Years experience over unfinished degree?

  - by Daniel Lewis

  I'm currently in my placement year and working for a great software development company. It was always my intention of getting to this stage through university, getting enough academic experience as well as the year’s placement and then try to get a full time programming job without the need to finish my degree. I decided this from an early stage as I have never really liked the whole university environment. I was so unhappy at university and I’m so happy now I’m on my placement year, I really don’t know if I can go back. My question is, do you think companies will take me on if I apply for other jobs after my placement year and not penalize me for not finishing my degree? I guess at the end of the day I don't want to look back on my life and think "god, why didn't I just spend one more year being unhappy to have a job I love" but I know that even if I get a degree I could still end up without a programming job and this worries me more than anything.

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• Ubuntu 12.10 won't display properly after kernel upgrade

  - by Daniel

  After updating a system today, Ubuntu's doesn't display correctly. The desktop now looks like this. It was working properly before. I had to use the terminal to run synaptic package manager, so I could view the update history; which is as follows: Commit Log for Wed Nov 7 11:50:36 2012 Upgraded the following packages: linux-image-generic (3.5.0.17.19) to 3.5.0.18.21 Installed the following packages: linux-image-3.5.0-18-generic (3.5.0-18.29) linux-image-extra-3.5.0-18-generic (3.5.0-18.29) Prior to this issue, the last active driver was nvidia-current-updates, version 304.51. I tried using the nvidia-current driver, version 304.51.really.304.43 instead, but the problem persists. I tried running nvidia-settings from terminal, so I could try configuring something, but the application informs that the Nvidia driver is not being used. As the x-swat repository has nothing for Quantal, I desperately used the unstable x-edgers repository & upgraded, but to no avail; so I purged it. The display should normally be full HD, but the only available resolutions now are 1024x768(4:3) and 800x600(4:3). The system is Dell XPS-L702X, with NVIDIA GeForce GT 555M, and 17" screen. How can I fix this problem? Update: I tried using the Nouveau third-party driver & this fixes the issue. However, if you have any idea how to get the Nvidia drivers working properly with the latest kernel, please share; as I've noticed some videos playing very slowly on the system, though I'm not sure exactly why.

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• Advertisement programs that allow "clickjacking" (earning advertisement revenues by popups generated by clicks on the website)?

  - by Tom

  Whether clickjacking is an ethically responsible way of earning advertisement revenues is a subjective discussion and should not be discussed here. However, it appears that quite a lot of popular sites generate "popups" when you click either of their links or buttons. An example is the Party Poker advertisement (I am sure many of you will have seen this one). I wonder though, what kind of advertisement companies allow such techniques? Surely Google Adsense does not? But which do, and are they reliable partners?

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• I cannot boot Ubuntu from WUBI install with windows 7, get an error message every time

  - by Tom

  i have tried several times to install ubuntu using wubi, i can't use a disc as i have a notebook computer and there is no optical drive. the download and installation all seem to work well but whenever i try to boot ubuntu at the windows 7/ubuntu menu it comes up with this error screen. I have used both the C: drive and the D: drive to install Ubuntu several times each, it's always unsuccessful. "Windows has failed to start. a recent hardware or software change might be the cause. To fix the problem: Insert your windows installation disc and restart your computer Choose your language settings and then click 'next' Click repair your computer. If you do not have this disc, contact your system administrator or computer manufacturer for assistance. File: \ubuntu\winboot\wubildr.mbr Status: 0xc000000F Info: The selected entry could not be loaded because the application is missing or corrupt." I use an ASUS x501a with windows 7. What do i do to fix this? I want to be able to dual boot Windows 7 and ubuntu. Thanks a lot :)

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• How to get KeePass to properly work with Chromium?

  - by Tom

  The two-channel auto-type obfuscation feature of KeePass doesn't work for me with Chromium (on Ubuntu 12.04 64 bits). However, it works just fine with Firefox. Dows anyone know how to fix this? Textboxes in web forms in Chromium seems to have something special that causes this feature to fail. Only some of the username/password characters are being auto-typed. This might be related to this: if I select an entry in KeePass and click "Copy User Name", I can paste it fine with Ctrl+V in any textbox in Firefox, but I can't on Chromium. However, text copied using Ctrl+C from a regular text file (say, from gedit), can be pasted fine on both browsers. What may be wrong? I wouldn't like to deactive this feature for all the entries in my keepass files as I use them on Windows too and they work just fine there (even on Google Chrome for Windows). This feature gives an appreciated extra security measure against spyware/keyloggers.

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• Why should I learn vi/vim/emacs? [on hold]

  - by Tom Busby

  I hear all the flame wars about vi/vim and emacs and which is better etc but honestly, I just use sublime. When I have to edit from the CLI I use nano (it's simpler to use). I'm wondering if I'm missing something. Should I put the time/effort into learning one of those text-editors thoroughly, and if so... why? What is it about these two editors that evokes so much adoration and devotion? Why would I want to use any of them over my nice, multi-caret, GUI text editor?

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• Do Java applets have any place on the web today?

  - by Tom Marthenal

  Many browsers now disable Java applets by default, requiring them to be enabled on a per-page basis. It seems like applets have not changed much in the past few years. In fact, it seems that client-side Java (applets, desktop applications, ...) is dying completely, and Java is primarily becoming a server-side language. Except for the sake of compatibility, is there any place where applets are still useful on today's web? As a web developer who is familiar with Java and with JavaScript, why would I ever choose to use an applet instead of some JavaScript?

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