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• Problems after installing Ubuntu LiveUSB on my 2nd HD

  - by user113106

  I decided to create a Ubuntu USB installer using the Universal USB Installer, selecting a Ubuntu 12.10 ISO. I selected my D: drive, my NON-windows7 carrying drive as install. After this I Re-booted my system and my PC began to Run the Ubuntu Boot-startscreen every time I power up the machine, giving errors like this: Root=Unknown I used my girlfriend's laptop to create, on the exact same way, a real! USB Ubuntu installer. Booting from that USB, picking the option Run Ubuntu from this USB I get the following error: http://postimage.org/image/63qkv98c1/ Let's try installing it from that USB to a Hard-Disk: http://postimage.org/image/usqbwymfx/ As I said: I do not have the Option to pick my Boot-section, at this very moment I can only access to the Ubuntu installation and nothing else. I've read about 90% of other Questions that could've been related, but I could not find a solution. BTW I'm running a Acer Aspire 2Quadcore 4gb DDR 2 Ati Radeon HD, 64bit and I've set my Bios OS-usage from Windows to "Others"

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• Why is git-svn useful?

  - by Wes

  I have read these related questions: I'm a Subversion geek, why should I consider or not consider Mercurial or Git or any other DVCS? git for personal (one-man) projects. Overkill? ...and I understand why git is useful. What I don't understand is why tools like git-svn that allow git to integrate with svn are useful. When, for example, a team is working with svn, or any other centralised SCM, why would a member of the team opt to use git-svn? Are there any practical advantages for a developer that has to synchronize with a centralized repository?

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• Handling (many) multiple projects in Git in an enterprise environment

  - by Michael K

  One of the advantages of older version control systems such as CVS and SVN in enterprise development is that anyone can connect to source control and see all the projects that the company has. This can make it easier to get a high level view of what kid of development is happening outside your sprint and also keeps everything in one place and easy to find. However, distributed version control systems (Git, specifically) use the repository as their base unit. They work best with one project (or several closely related projects) per repository. This makes repository management more difficult in most enterprise environments where it is not unusual to have more than 25-50 projects to support. As far as I have been able to determine, you have to keep a list somewhere else of all the repos you have. There is software available, like GitHub, that help, but that still is an extra step beyond a single connection string and listing the contents of the repository. What is the best way to deal with the complexity of multiple repositories?

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• I know of three ways in which SRP helps reduce coupling. Are there even more? [closed]

  - by user1483278

  I'd like to figure all the possible ways SRP helps us reduce coupling. Thus far I can think of three: 1) If class A has more than one responsibility, these responsibilities become coupled and as such changes to one of these responsibilities may require changes to other of A's responsibilities. 2) Related functionality usually needs to be changed for the same reason and by grouping it togerther in a single class, the changes can be made in as few places as possible ( at best changes only need be made to the class which groups together these functionalities) 3) Assuming class A performs two tasks ( thus may change for two reasons ), then number of classes utilising A will be greater than if A performed just a single task ( reason being that some classes will need A to perform first task, other will need A for second task, and still others will utilise it for both tasks ).This also means that when A breaks, the number of classes ( utilising A ) being impaired will be greater than if A performed just a single task. Can SRP also help reduce coupling in any other way, not described above? Thank you

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• USB Mouse stutters periodically

  - by greggory.hz

  I'm using an HP dv6000 (not sure of exact model) with a pretty basic Logitech wireless laptop mouse. From time to time, the USB mouse will be very stuttery and less responsive. Not all clicks register and the motion is not smooth. It seems like it's related to the notify-osd coming up when I get an IM or Email or whatever else, but it happens other times as well. It's not the whole computer becoming less responsive, because if I use the touch pad during one of these fits, it works perfectly smooth. I've replaced the batteries in the mouse and have tried different USB ports with better line of sight, etc. I can't figure out what's going on. Any thoughts?

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• Pillar Axiom OpenWorld Highlights

  - by uwes

  During the Storage General Session at Oracle OpenWorld Conference 2012 in San Francisco, the following Axiom-related announcements were made: Oracle Platinum Services for Axiom 600: Extending Oracle's Platinum Services to Axiom 600 as a standalone product –  the same level of service and support you get with Exadata – 24/7 fault monitoring, dedicated response and escalation management to meet enterprise-grade SLA’s, patch planning and management. Oracle Enterprise Manager Axiom Plug-in: Allowing DBA's to manage, maintain, monitor and provision the Axiom 600 storage system from Oracle EM. Oracle Virtual Machine Axiom Plug-in: Allowing Oracle VM and System Administrators to manage, maintain, monitor and provision the Axiom 600 storage system from Oracle VM using Storage Connect. Oracle Axiom Data Protection Manager 3.1: Leveraging Axiom's Copy Services, System Administrators can automatically create Application Consistent Clones of critical Windows and Oracle DataBase environments for quick recovery. For More Information Go To: Oracle.com Pillar Axiom Page Oracle Technology Network SAN Page

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• Maya and Game Engines (i.e. Environment Testing)

  - by DiscreteGenius

  What does it mean if I'm designing an environment and I want to test it in the game engine, to see what its like to "run" [or fly] around my environment? I heard an instructor say that exact thing in a Maya training video and I'd like to know more about "How Game Engines and Maya are related to each other." He stated this would be done to see how things look in "size" (e.g. I assume he meant: 'How big is the cathedral, bridge, wall, building, etc.'). I've tried to research such information but it's too complicated, and detailed. I just want a simplistic response to my query. Thanks to everyone willing to help and not criticize my question.

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• Mouse click firing twice

  - by Luke

  I have recently switched to XUbuntu (14.04) and I have noticed that sometimes a mouse click is fired twice. E.g. I CTRL click a link and two tabs with the same content are opened in my browser. It's not behaviour I can reproduce consistently and seems to be random (to me). I also don't know of a good way to inspect the behaviour properly for debugging purposes. I have checked the double click time setting but this doesn't seem to have any impact on this. I also run XUbuntu (13.10) in a VM on my MacBook Air and this behaviour seems to absent there. At this point in time I can't really tell if this is related to the distribution or the fact that it runs in a VM. Any insights greatly appreciated.

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• Is it OK to have all these Window Managers?

  - by JMCF125

  Hello again, This is not actually one, but several related questions. I have installed Xfce, KDE, Gnome Fallback and DWM (and obviously I have Unity). How can I change the login screen? It is currently always Kubuntu's (also on shutdown), though strangely kubuntu-desktop wasn't the first nor last to be installed. Why? Where is/are the file(s) with which Window Manager to start? Can I start without X and then start it from the tty? Is all this OK? Is it safe? I hope you can help me with this, since whenever I login to an envirnment other than KDE, I have to login again (except on DWM).

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• How do I count Internal Logical Files (ILF) and External Inputs (EI) for a dynamic form entry page?

  - by DmytroL

  Assuming I have an applicant information entry screen, the number and types of fields on which can be defined by the system administrator, how do I go about counting the number of Internal Logical Files (ILFs) and Data Element Types (DETs) for the related data functions? So far I have come up with something like this: ILF #1 (control information): Field Metadata, 1 RET, ~3 DET (name, type, mandatory) ILF #2 (business data): Applicant Data, most likely 1 RET, but how many DET? Of course I could count it as 2 DET (Field ref, Value), but I am not sure that would be correct And when it comes to an External Input (EI), say, "Add New Applicant", things become even more complicated, because the number of DET corresponding to the user-editable fields is totally dependent on the control information in ILF #1, and I am out of ideas here... Anyone fancy to help with that? Thanks in advance!

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• Can turning off drm_kms_helper polling affect screen brightness control?

  - by dodecaphonic

  I have a Samsung R430 notebook that has been running Ubuntu for close to a year, now. Since I've upgrated to Maverick, I've been dealing with little, but increasingly annoying issues, that put my faith to question. The first one, a CPU-intensive set of drm_kms_helper, made me compile my own kernel and set polling to off just so I could move my mouse without frequent stuttering. That led me to dealing with a screen that gets dimmer and dimmer after each sleep/wake-up cycle, which eventually leads me to reboot. Since I have seen some KMS and brightness related bugs around, I was wondering if it is a definite cause for my problem. If so, has there been any advance on the excessive polling issue for those of us plagued by it?

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• 12.04 x64 Server Login Failure

  - by ThoughtCoder

  After some serious GRUB issues after routine kernel updates, forcing a grub-reinstall via chroot and some single-user mode maintenance, I now cannot login to my server (except via single-user mode) When attempting to SSH to the server my connection is reset immediately after entering username - no password prompt is presented. I've plugged in my monitor and keyboard to the headless server and when trying to login I receive: login: "PAM Failure, aborting: Critical error - immediate abort" immediately after entering my username - again, no password prompt is displayed. I am able to gain access via kernel recovery mode and login as root through single-user mode with networking. I've attempted a dpkg reconfigure believing I may have had some incomplete/borked packages, but to no avail. Looking through /etc/pam.d/login doesn't seem to lead me in any obvious directions and I'm afraid I'm out of ideas. Googling doesn't help me much, one guy reinstalled (really don't want to do this) and the rest I could find were old Gentoo related bugs. Any tips?

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• Java ME JSRs approved by the JCP EC

  - by heathervc

  The two new Java ME related JSRs were submitted to the JCP earlier in October have been approved by the Executive Committee (EC) to continue development in the JCP program.  These JSRs are now open for Expert Group nominations. All registered JCP.org users can nominate themselves to serve on the JSR Expert Group, but you must become a JCP Member to be approved to serve on a JSR Expert Group. JSR 360, Connected Limited Device Configuration (CLDC) 8, was approved by the EC with 11 yes votes (AT&T was not eligible to vote).  You can also follow this project on their java.net project. JSR 361, Java ME Embedded Profile, was also approved by the EC with 11 yes votes (AT&T was not eligible to vote).  You can also follow this project on their java.net project. 11 yes votes

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• My webcam stopped working, how do I fix it?

  - by Delilah

  I'm using Ubuntu 10.10 on a new Compaq Presario CQ56. The webcam was working fine for the first two days, in both Skype and Cheese, but simply turned black with thin vertical lines in the middle of a Skype call and now refuses to work in any program, including gstreamer-properties, Cheese, and VLC. It gives a black screen when rebooted into a live CD and tested. When tested, it either shows a plain black screen or black with thin vertical lines. Attached is an image of the video shown (it is static, there is no noise or static, and no response to variance in light). Also, when I play music or sounds, it makes a garbled noise related to the sound being played, which may or may not be connected to the webcam issue. If anyone has any ideas on what caused this, or whether it's a hardware or software issue, or how to fix it, I would appreciate them very much, Thanks

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• Are these interview questions too difficult for entry-level C++ positions?

  - by Banana

  I recently had a few interviews for programming jobs within the financial industry. I am looking for entry-level positions as I specify in the cover letter. However I am usually asked questions such as: - all two-letters commands you know in unix - representation of float/double numbers (ieee standard) - segmentation fault memory dump, and related issues - all functions you know to convert string to integer (not just atoi) - how to avoid virtual tables - etc.. Is that the custom? Because I don't think this kind of questions make sense for someone willing to get an entry-level job. Is it totally crazy to think that they should ask more conceptual questions? This is beginning to driving me nuts, honestly. Thanks

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• "BAD idea" warning when trying to recover Grub, after Windows removed it

  - by Shazzner

  Tried sudo grub-install on sda1 but it complained about being a BAD IDEA. I had to install windows for a work related issue so I used a separate disk (I had used it for ubuntu on this computer, but bought a bigger disk so installed ubuntu on that and left the old one in in case I needed an old file). Windows installed fine but overwrote Grub. So if I choose the Ubuntu disk to boot first in BIOS I get a blank screen. I googled and followed this advice: https://help.ubuntu.com/community/RecoveringUbuntuAfterInstallingWindows However, when I get down to this section: sudo grub-install --root-directory=/media/0d104aff-ec8c-44c8-b811-92b993823444 /dev/sda1 I get this: Attempting to install GRUB to a partition instead of the MBR. This is a BAD idea… --recheck does nothing. Any ideas?

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• Issue with permanent redirect implementation

  - by Argoron

  I have a tricky problem related to 301 redirections I badly need help with. I tried to implement these via .htaccess, but ran into trouble. The start of my .htaccess looks like this: SetEnv PHP_VER 5 Options +FollowSymlinks RewriteEngine on # Redirect non-www to www RewriteCond %{HTTP_HOST} !^(www\.|$) [NC] RewriteRule ^ http://www.%{HTTP_HOST}%{REQUEST_URI} [R=301,L] #--- GENERAL --- RewriteRule ^index\.html$ index.php [L] ... When I try to put a permanent redirect to index.php by adding R=301 in the square brackets, I get a 404, and I have no idea where the error comes from.

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• gnome-power-manager is running while trying to log in. How to get rid of it?

  - by koushik

  After booting into the ubuntu login screen and clicking on my user name and entering the password, I get a dialog stating that gnome-power-manager is still running. The dialog presents 2 buttons, 1 to Cancel and other to Logout Anyway. This issue happens about 50% of the time and I don't remember doing anything related to power management recently. Also, even if I don't choose any option in the dialog it goes away after about 30s. This is happening on a desktop machine as well as a laptop. On the laptop I have configured power management for myself (not for gdm) whereas in desktop I have not configured power management for any user. This is only an annoyance but still I would like to fix it, especially on my desktop where I am interested in getting it auto-login ASAP into my userid. Any ideas why this could be happenning?

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• laptop suspend broken after latest kernel update

  - by Iestyn ap Mwg

  I ran a software update (Ubuntu 14.04) on my laptop over the weekend, which included an update from kernel 3.13.0-24 to 3.13.0-27, among other things. Today i had to take my laptop to work, so closed the lid and put it in my bag. However, it never went into suspend mode! I tried several times, even rebooting. Finally I tried the previous kernel from the grub menu (reverting back to the -24 one) and suspend works the same as it always had before. Did something suspend related change between the -24 and -27 kernels used in Ubuntu 14.04? I think by only reverting to a previous kernel to temporarily fix it, i've ruled out any other software changes made during the weekend's upgrade.

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• Javascript Only Search Method [on hold]

  - by user2118228

  I need to put a search function on a website that is going to be on a CD-ROM with no access to the internet. It has 80 pages, and about 500 'items', so I'd prefer to not have to hard code 100's of 'if statements if possible. I've found a few programs you can buy that will index and generate results (Zoom Search, JSS Index, The German Guys') but there are odd quirks with each one. Plus I would rather code it myself to get complete control over it, and to really understand what it's doing. Basically searching for a few words would display the product image and description; clicking on that would take you the related URL. This is kind of complicated, I can't find an easy solution not dealing with hundreds of if Statements. Has anyone ever created anything like this or know a better method? I'm not really sure a better way to go about this. I've used PHP/MYSQL for search results before, but this cannot run any php.

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• Why do we use to talk about addresses and memory of variable in C?

  - by user2720323

  Why do we use to talk about addresses and memory of variable in C, where in other languages (like in Java, .Net etc) we do not talk about variable address and memory in a program, we will directly use the variables. But in C Language we are listening the word address and memory. How to explain this? I hope C is high level language designed over the assembly language. So C is a thin layer over assembly language (in assembly language we will use memory locations to store a variable and track a variable). But in other languages these addresses and memory related things are wrapped in that specific language, so that we will not listen these words.

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• Running external commands improved a bit

  - by Tomas Mysik

  Hi all, today we would like to show you one small improvement related to running external commands (e.g. generating documentation, running framework commands etc.) which will be available in NetBeans 7.3. First, have a look at the screenshot: As you can see, the first line represents the command that is being executed. In case of any error, this command can be easily copy & pasted to the console for deeper investigation (and proper bug reports ;). Also please notice that the Output window now supports background colors. That's all for today, as always, please test it and report all the issues or enhancements you find in NetBeans Bugzilla (component php, subcomponent Code).

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• Tracking work history in a git repo

  - by Code-Guru

  Previous related questions: Code bases for desktop and mobile versions of the same app Git branching and tagging best practices Question: I have split my repo into three directories (swing, android, and common) as suggested by @KarlBielefeldt in response to my previous question. Now I am jumping back and forth between developing my Android port and tweaking/adding features to my original Swing app. All of my commits are linear (fast-forward) and only my commit messages give hints indicating whether I'm working on my Swing app or my Android app. Is there a better way to keep track of the work flow in my git repo?

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• Eleven Eleven Eleven Plus Two

  - by Larry Wake

  You probably already know that Oracle Solaris 11 11/11 was not in fact launched on 11/11/11.  We had our reasons, one of the primary ones being that would have collided with Veterans Day. But I'm going to venture a blog post today--even though it's again of course Veterans Day--to catch up on some news for Oracle Solaris 11's second anniversary (plus two days). Most recently, we had lots to talk about at Oracle OpenWorld -- Markus Flierl gives an excellent recap on his blog. Also, you can now download the various Solaris-related presentations that were given this year.  Find the list and links at: Focus on Oracle Solaris (http://bit.ly/OOW13-Solaris) If you follow the links above, you'll see there's lots to learn about how to get major benefits from Oracle Solaris 11 today, and you'll also find out about some of the new things we're busily at work on as well.  Onward to year three!

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• USB keyboard does not load after 13.10 upgrade

  - by Paul

  Problem: Running kernel 3.11.0-12-generic after a Ubuntu upgrade from 13.04 to 13.10 my USB keyboard is not recognised, thus I am not able to unlock my encrypted disk. I suspect it might be related to a minimal/incorrect install of initrd. Question: How do I go about getting the newest kernel to recognise my generic USB keyboard, allowing me to unlock my encrypted disk? What I have tried: I have already re-installed the newest kernel: sudo apt-get install --reinstall linux-image-generic linux-image and I have also updated the initrd: update-initramfs -c -k 3.11.0-12-generic Back story: I just completed upgrading my Ubuntu system from 13.04 to 13.10. When I subsequently rebooted by system I was no longer able to enter my encryption password (passphrase) as the keyboard drivers did not load. Temporary workaround: Earlier in the boot process (before the keyboard stops working) I was able to enter GRUB menu were I choose to boot from an older kernel (3.8.0-31-generic) which did load the USB keyboard drivers. This is currently the kernel I am running. Thanks

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