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  • Difficulty Mounting Volumes on a Partitioned External HD

    - by Todd
    I'm having a great deal of difficulty with an external hard drive. I'm currently running a dual boot system (XP Service Pack 3 and Ubuntu 11.04 Natty Narwahl) on a Dell Inspiron B120. I'm trying to set up a new 80 GB Hitachi external HD. Using GParted, I formatted the drive and set up the partitions. The partitioning scheme is as follows 10GB NTFS Primary, 2GB Linux-Swap Primary, 50GB FAT32 Primary, 12GB Unallocated. After applying those changes, I went into Disk Utility and the HD appears along with the correct partitions. When I try to mount the volumes for partitions 1 and 3, I get a pop-up stating: Error Mounting Volume An error occurred while performing an operation on "Home" (Partition 3 of HTS548080m9AT00): The daemon is being inhibited. When I try to to check the filesystem I get a pop-up stating: Error Checking filesystem on volume An error occurred while performing an operation on "Home" (Partition 3 of HTS548080m9AT00): The daemon is being inhibited. Throughout the time that I'm attempting to troubleshoot the problem, the external drive light is on and blinking. With my frustration hitting a boiling point, I try to shut down the drive and remove it so that I can plug in a different external HD that works PERFECTLY. However, when I try to shut down and safely remove the drive, I get a pop-up stating: Error Detaching Drive An error occurred while performing an operation on "80GB Hard Disk" (HTS548080m9AT00): The daemon is being inhibited. Can anyone tell me what I'm doing wrong? I'm a newbie and not that skilled with terminal commands, so please dumb it down for me if you request specific command output.

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  • No boot or grub file after using ls command

    - by Poke Moke
    I had xubuntu installed, i believe version 12.04 and then tried to dual boot with backbox. It worked from the flash drive but upon installing it onto the hard drive, I could no longer boot backbox. I decided I would just clear my OS and put just backbox on the hard drive and only have a single boot. To do this, I erased my boot file completely which led to my current position. I am put into the grub rescue prompt. I can't do a system restore, I can't boot with anything I might try including puppy linux and a boot rescue, and I've looked up the commands and I've tried to fix this. I can do ls, I find the correct hd but then I'm stuck as I don't have a boot or grub folder. The command is typed as: ls (hd1,msdos1)/ and listed is ./ ../ lost+found/ etc/ media/ bin/ dev/ home/ lib/ mnt/ opt/ proc/ root/ run/ sbin/ selinux/ srv/ sys/ tmp/ usr/ var/ initrd.img vmlinuz cdrom/ apfolder initrd.img.old vmlinuz.old (not sure if it's initrd or init rd.img. as it wraps around the screen there.) I've seen commands regarding boot or grub if they are seen but as listed, they aren't there. Any ideas?

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  • What .NET objects should I use to create a cookie based session in MVC?

    - by makerofthings7
    I'm writing a custom password reset application that uses a validation technique that doesn't fit cleanly with ASP.NET Membership Provider's challenge questions. Namely I need to invoke a workflow and collect information from the end user (backup phone number, email address) after the user logs in using a custom form. The only way I know to create a cookie-based session (without too much "innovation" on my part) is to use WIF. What other standard objects can I use with ASP.NET MVC to create an authenticated session that works with non-windows user stores? Ideally I can store "role" or claim information in the session object such as "admin", "departmentXadmin", "normalUser", or "restrictedUser" The workflow would look like this: User logs in with username and password If the username and pw are correct a (stateless) cookie based session is created The user gets redirected to a HTML form that allows them to enter their backup phone number (for SMS dual factor), or validate it if already set. The user can then change their password using the form provided The "forgot password" would look like this User requests OTP code to be sent to the phone User logs in using username and OTP If the OTP is valid and not expired then create a cookie based session and redirect to a form that allows password reset Show password reset form, and process results.

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  • xorg-edgers PPA with llvmpipe breaks AMD APU system

    - by linux_RRT
    I've read before where this had happened to another user with the same system... I was running Ubuntu 12.04 LTS with Kernel 3.2.0.29 and decided to give xorg-edgers a try. I purged fglrx* and xorg* before beginning. I upgraded with sudo apt-get upgrade -d The system downloaded and installed 109MB worth of data to the system, including llvmpipe which I am very unfamiliar with, and Kernel 3.5.0.11. The system was then rebooted to finalize the upgrade. The system boots to a black screen and then tells me "The system is running in low-graphics mode". Did I miss a step in the install? Or do the newest open-source drivers just not work with my hardware? I realize this hardware (APU) is some of the newer development. I dropped to command via the fallback menu and attempted to boot lightdm as root, but the system hangs in 'Configuring kernel parameters' at Starting initializes zram swaping. ...and then it just sits there. The other thing that concerns me is the output at the top of the screen that says: could not write bytes: Broken pipe Does llvmpipe work for this type of system? To be clear the system is: MSI x370-206us Laptop Radeon HD 6320 AMD e450 APU 1.67ghz dual-core Any help would be much appreciated. Like I said, I'm pretty sure I followed the right order of operations for the install procedure, but I was curious if anyone with similar hardware had experienced anything similar.

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  • IPv6 tunnels - any easy way to turn them on and off?

    - by Rob Hoare
    I've set up a tunnelbroker.net (Hurricane Electric) IPv6 tunnel from my laptop running 12.04. Works fine, and allows me to test the dual-stack configuration on my remote webservers etc. until native IPv6 is available on my ISP. However, there are times when I don't want the tunnel. For example if I'm accessing something that requires an IPv4 address in my own country rather than the Tunnelbroker tunnel endpoint, or if I'm away from the local IPv4 tunnel endpoint, or if I simply want to test without IPv6. Is there a simple way to disable and then re-enable the IPv6 tunnel, without rebooting? For context, here's what's in my /etc/network/interfaces (NNN replaces numbers): auto he-ipv6 iface he-ipv6 inet6 v4tunnel endpoint 216.218.NNN.NNN address 2001:470:NNN:NNN::2 netmask 64 up ip -6 route add default dev he-ipv6 down ip -6 route del default dev he-ipv6 Is there a network manager application (gui or command line) to selectively enable/disable parts of /etc/network/interfaces, or IPv6 in general? I found even by commenting out that out (and reloading networking) it's tough to get the IPv6 to go away. A "tunnel on/off" button in networking would be great, like using a VPN.

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  • "The daemon is being inhibited" error message when mounting volumes on a partitioned external HD [closed]

    - by Todd
    I'm having a great deal of difficulty with an external hard drive. I'm currently running a dual boot system (XP Service Pack 3 and Ubuntu 11.04 Natty Narwahl) on a Dell Inspiron B120. I'm trying to set up a new 80 GB Hitachi external HD. Using GParted, I formatted the drive and set up the partitions. The partitioning scheme is as follows 10GB NTFS Primary, 2GB Linux-Swap Primary, 50GB FAT32 Primary, 12GB Unallocated. After applying those changes, I went into Disk Utility and the HD appears along with the correct partitions. When I try to mount the volumes for partitions 1 and 3, I get a pop-up stating: Error Mounting Volume An error occurred while performing an operation on "Home" (Partition 3 of HTS548080m9AT00): The daemon is being inhibited. When I try to to check the filesystem I get a pop-up stating: Error Checking filesystem on volume An error occurred while performing an operation on "Home" (Partition 3 of HTS548080m9AT00): The daemon is being inhibited. Throughout the time that I'm attempting to troubleshoot the problem, the external drive light is on and blinking. With my frustration hitting a boiling point, I try to shut down the drive and remove it so that I can plug in a different external HD that works PERFECTLY. However, when I try to shut down and safely remove the drive, I get a pop-up stating: Error Detaching Drive An error occurred while performing an operation on "80GB Hard Disk" (HTS548080m9AT00): The daemon is being inhibited. Can anyone tell me what I'm doing wrong? I'm a newbie and not that skilled with terminal commands, so please dumb it down for me if you request specific command output.

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  • Unable to mount NTFS Partition after resizing

    - by sam
    I was having only 15 GB space allocated to LINUX. I wanted to have more space available to linux. So I just re sized one of my ntfs partition using GParted. But after resizing I am not able to open the partition neither in Ubuntu nor in windows. OS: Dual Boot Win7/Ubuntu 10.10 The error message i get is the following: Error mounting: mount exited with exit code 12: Failed to read last sector (395458824): Invalid argument HINTS: Either the volume is a RAID/LDM but it wasn't setup yet, or it was not setup correctly (e.g. by not using mdadm --build ...), or a wrong device is tried to be mounted, or the partition table is corrupt (partition is smaller than NTFS), or the NTFS boot sector is corrupt (NTFS size is not valid). Failed to mount '/dev/sda5': Invalid argument The device '/dev/sda5' doesn't seem to have a valid NTFS. Maybe the wrong device is used? Or the whole disk instead of a partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around?

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  • How do I force Wubi to install a 32-bit version?

    - by marx
    I'm using Windows 8 (32bit) customer preview and installing WUBI Ubuntu 12,04.1. I down loaded 32 bit installer from ubuntu dot com, The wubi installer says AMD 64 xt. I had a previous 12,04 install and in the terminal typed in uname -a, it say's 64 bit. I also opened detail from the system and it read 64 bit system. My question is: how to ensure that a windows/wubi/ubuntu/installer is 32 bit or 64 bit BEFORE making a commitment to install from the wrong wubi install? After posting this I did another wubi installation. Signed into ubuntu, opened system settings, open Details: OS Type 64 Bit. Why is it doing this? I have a 32 Bit machine: Toshiba Satellite A-215 S5818 (previous Windows Vista)<--wiped clean. from an earlier installation of Ubuntu 10.10 which worked, in feb 2012 i installed Win8 Customer Preview Release (32Bit) which took over the BOOT order and 140 GB Hard Disk. I am trying patiently to install WUBI 32 BIT Ubuntu 12.04 Install, it keeps returning 64 BIT install.. Why?? I should also mention that i was successful in a dual boot install ubuntu 10.04/win8 32 bit install and upgraded to 12.04 which is fine for now, but i want a win8/wubi/ubuntu12.04 32 bit working not 64 bit breaking what i have. thank you.

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  • Impossible to enable bluetooth under Ubuntu

    - by PCh
    I just installed Ubuntu 12.04 (dual boot, kept Windows just in case) on my new Acer Aspire One 756-877. As soon as I installed it I also installed the Broadcom driver, since wifi wasn't working, and that solved it right away. But when I tried Bluetooth, I had a problem that I see is quite recurring: -The hardware is on (and working fine under Windows) -The icon shows up on the menu, giving me the options of turning Bluetooth on or off, and then just "Bluetooth preferences". -I can apparently turn it on that way, which only lights up the icon but makes no difference at all (and doesn't give any other options in the Bluetooth menu) -When I open "Bluetooth preferences" (whether Bluetooth is apparently on or off, it makes no difference), it says it's disabled and will not let me slide the button to enable it. I've rebooted, but nothing happens. -The material is Broadcom and the port (if it's relevant at all) is Port_#0001.Hub_#0003 I tried the following commands suggested in other similar questions, with no result at all: sudo dmesg | grep blue and sudo service bluetooth start and sudo /etc/init.d/bluetooth start Any other clues on what I can do? Thanks for your time!

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  • invitation: Oracle Endeca Information Discovery Bootcamp

    - by mseika
    The Oracle Endeca Information Discovery (OEID) Boot Camp is designed to give partners an understanding of OEID’s features, and how it complements the existing Oracle Business Intelligence suite. Participants will learn how to develop & implement solutions using a Data Discovery method. Training is in EnglishWhat will be covered?The Oracle Endeca Information Discovery (OEID) Boot Camp is a three-day class with a combination of lecture and hands-on exercises, tailored to make participants aware of the Oracle Endeca Information Discovery platform, and to gain valuable skills for the implementation of projects.The course will follow a combination of lectures and hands-on lab sessions, to allow participants to apply the knowledge they have gained by extracting from sample data sources, and creating an end-user application that will be used to answer several business questions. What You Will Learn Architecture: OEID Components, use of graphs, overview of clustering OEID Installation: Architecture planning, infrastructure requirements, installation process, production hints & tips OEID Administration: Data store management, administrative operations, portal configuration, data sources, system monitoring Indexing: Integration Suite, Data source analysis, Graph (ETL) creation, record design techniques Portlets: Studio portlets, custom portlet development, querying functions Reporting: Studio applications & best practices, visualizations, EQL PrerequisitesYou must bring a laptop with you for the Hands-on labs ENVIRONMENT – LAPTOP REQUIREMENTS For the OEID boot camp, participants will perform the hands-on lab exercises using a virtual machine image. These virtual machines will be provided to participants within a cloud environment, requiring participants to bring a laptop to the Boot Camp that can access a Windows server utilizing Microsoft RDP from their laptop. Participants will not need to install any software onto their laptops, but must ensure that they have the proper software installed for their OS, to connect through RDP to a server. HARDWARE • CPU: Dual-core, x64, 1.8Ghz or higher • RAM: 2GB SOFTWARE • Microsoft Remote Desktop Client • Internet Explorer 7, Firefox, or Google Chrome This boot camp is intended for prospective implementers of Oracle Endeca Information Discovery (OEID), or those in a presales role looking to gain insight into the technical benefits of this new package. Attendees should have experience and familiarity with the basic concepts of business intelligence. Where and When ? Monday, October 15th until wednesday, October 17th included 9:00 - 18:00 Oracle France 15, boulevard Charles de Gaulle 92715 Colombes Access Register Here Limited number of seats !

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  • Really slow wireless internet on 12.04 with HP dv6 6070ca

    - by Joe
    I was recently running the previous version of Ubuntu through Wine, and everything was working great. I decided to upgrade to pangolin when I saw it came out. After upgrading the internet was very slow (the estimated time on the updates was something like 4 days). I thought maybe this had something to do with the Wine installation, so I decided to finally do an actual dual boot. I partitioned my drive all nice and neat, but I made the mistake of connecting to the internet for the installation, and clicking the option to install updates and restricted extras. This was in the morning, circa 6 am. Fast forward to the evening, the installation is frozen at around 75%. In frustration I gave the ol girl a hard shut-down, which effectively rendered my machine useless. I used the thumb drive to reinstall Ubuntu, this time without connecting to the internet. Installed nice and easy, no problems, but the internet is still ridiculously slow. It took me about 20 minutes of frustration and hitting stop and reload repeatedly to even get this question page to open. This is important to me as now Windows won't even boot and I have to use ubuntu for the time being but I can't even bear to turn on my laptop due to the frustration that immediately ensues. Please help! Oh, and I'm relatively new so if there are some terminal commands that spew out info you guys would find useful let me know what they are and I'll post back the information.

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  • Data recovery on Ubuntu 11.10?! (after crashing with Seagate 320GB)

    - by Sam
    Just installed 11.10 last week and decided to transfer iTunes music (from Windows dual boot) to my Seagate 320GB. I left it in, restarted, clicked Ubuntu at the boot screen, and then it froze after a few lines of code! I think I got to 3.7086 or something before I pressed CTRL+ALT+DEL and the system restarted after another few lines of code. I am completely new to Ubuntu so after Googling, I made a live CD with 10.04, the most stable release I've heard, and I'm typing this from there now. However, when I go to mount my partition, only the Windows Vista partition (308GB) is there! It has all my Windows files but my Ubuntu 11.10 ones are nowhere to be found. I need to restore these pictures I transferred from my camera using Shotwell the other day... any help is appreciated! p.s. 11.10 has never crashed on me in my trial week, so I'm guessing it's the Seagate hard drive's fault. However, now I'm running it on 10.04 and it works fine.

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  • Ubuntu 12.04 Freezes at Bootup

    - by Ryan Yu
    I have an Acer Aspire One Model AO722, that has a dual-boot configuration with Windows 7 Home Premium and Ubuntu 12.04. Processor: AMD C-50, 1.00GHz 2.00GB ram, 64-bit, AMD Radeon HD 6250 Graphics. I installed Ubuntu two days ago, and since then, loading it has been sporadic. Windows 7 still loads just fine, but Ubuntu will sometimes freeze. First time I booted Ubuntu up, it ran no problem. Worked with it for half an hour, then shut down the computer. The second time I booted it up, it froze after ten minutes when I was trying to set up Thunderbird. Third time, same thing. Fourth time, it froze about 5 minutes after bootup when I was trying to connect to my wifi. Fifth time, it ran no problems for about 5~ hours. Then, three consecutive times I've restarted (what is it, the 6th, 7th, and 8th times?) it has gotten to the login screen, I've entered my password, all the text on the page disappears as if its going to load my desktop, and it freezes. A minute ago when I booted Ubuntu up for the 9th time, it loaded the desktop fine. Who knows if it'll crash soon; probably, though. Any ideas?

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  • 11.10 liveCD black screen

    - by Shaun Killingbeck
    Attempting to install/try ubuntu 11.10 on my new laptop, using a liveCD (and tried USB). I get the purple screen (with the man/keyboard at the bottom) and after that the screen flashes bright white before going black. Ubuntu continues to load in the background, with login sound etc but the screen is off. I have tried as many different solutions as I could find including: using nomodestep, xforcevesa, i915.modeset=0 in boot options (seperately): varying consequences, but either I end up at a blinking cursor with no prompt, a command line (startx fails: no screen found), or the original blank screen again Tried booting from VirtualBox - it crashes at the same place the screen would go blank when using a CD/USB tried 11.04: I don't have this problem BUT when trying to install, I get a ubi-partman error 141 (possibly down to the three partitions that came on my laptop... not sure why HP needed there own separate partition for HP Tools...) Model: HP Pavillion DV6 6B08SA Processor: AMD Quad-Core A6-3410MX APU with Radeon HD 6545G2 Dual Graphics (1.6 GHZ 4 MB L2 cache ) Chipset: AMD RS880M Any help would be greatly appreciated. I just want to be able to partition the drive and install Ubuntu. I'm assuming the issue is graphics card related, although I have no confirmation of that. I have caught a glimpse of some output to do with pulseaudio and [fail], but I can't imagine why that would cause a screen problem and the sound definitely works anyway.

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  • Help me choose an Open-Source license

    - by Spartan-117A
    So I've done lots of open-source work. I have released many projects, most of which have fallen under GPL, LGPL, or BSD licensing. Now I have a new project (an implementation library), and I can't find a license that meets my needs (although I believe one may exist, hence this question). This is the list of things I'm looking for in the license. Appropriate credit given for ALL usage or derivative works. No warranty expressed or implied. The library may be freely used in ANY other open-source/free-software product (regardless of license, GPL, BSD, EPL, etc). The library may be used in closed-source/commercial products ONLY WITH WRITTEN PERMISSION. GPL - Useless to me, obviously, as it completely precludes any and all closed-source use, violating requirement (4). BSD/LGPL/MIT - Won't work, because they wouldn't require closed-source developers to get my permission, violating requirement (4). If it wasn't for that, BSD (FreeBSD in particular) would look like a good choice here. EPL/MPL - Won't work either, as the code couldn't be combined with GPL-code, therefore violating requirement (3). Also I'm pretty sure they allow commercial works without asking permission, so they don't meet (4) either. Dual-licensing is an option, but in that case, what combination would hold to all four requirements? Basically, I want BSD minus the commercial use, plus an option to use in commercial/closed-source as long as the developer has my written permission. EDIT: At the moment, thinking something like multiple-licensing under GPL/LGPL plus something else for commercial?

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  • Effect of using dedicated NVidia card instead of Intel HD4000

    - by Sman789
    Short version: Can someone please advise me of the effect of adding a dedicated NVIDIA GeForce GT 630M card to an Ubuntu laptop in terms of power consumption and performance gains/losses when doing general productivity tasks and booting up. Also, how good are the closed source, open source, and Bumblebee drivers for these newer cards compared to support for the Intel HD4000? Long version/Background, if any info here is helpful: I'm thinking of ordering a laptop from PC Specialist (a UK company who actually sell machines without Windows pre-installed) with the following specifications: Genesis IV: 15.6" AUO Matte 95% Gamut LED Widescreen (1920x1080) Intel® Core™i5 Dual Core Mobile Processor i5-3210M (2.50GHz) 3MB 4GB SAMSUNG 1600MHz SODIMM DDR3 MEMORY (1 x 4GB) 120GB INTEL® 520 SERIES SSD, SATA 6 Gb/s (upto 550MB/sR | 520MB/sW) Intel 2 Channel High Definition Audio + MIC/Headphone Jack GIGABIT LAN & WIRELESS INTEL® N135 802.11N (150Mbps) + BLUETOOTH Now, as I want this laptop mainly for work and not for games, I would be more than content with the HD4000 integrated chip which comes with the processor. However, for compatibility reasons, I am not able to get the specs I want unless I choose a NVIDIA GeForce GT 630M 1GB graphics card, which I don't have a great deal of use for. I'm willing to buy it, however, as it's still cheaper than any other laptop with the specs I want. However, I know that Linux power management isn't fantastic with open-source graphics drivers, and I don't much about Bumblebee. Basically, whilst I'm happy to 'tolerate' the card being there, I don't want to experience any negative effects on the rest of my system (battery, performance etc) and if there are likely to be any, I might reconsider my purchase. So if anyone can advise me on the effects, I would be very grateful, since I doubt I can just turn the card off. Thankyou for any assistance :)

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  • Unable to install ubuntu on a AMD 64 bit system with a AMD Radeon HD 6670 graphics card

    - by Tom Wingrove
    I’ve been running a dual boot system (Ubuntu/Windows7) for two years or so with no problems. I recently built an AMD 64 Bit System, re-installed Windows but when I went to load Ubuntu inside Windows, hit a snag. The screen view during installation became small square blocks of colour, which obviously is a graphics drive problem. I tried various live disks both 32 & 64 bit for, Ubuntu 12.04, 11.10 & 10.10, all but Ubuntu 10.10 had the same problem. Ubuntu 10.10 loaded ok, installed the presented ATI graphics driver as usual but was left with the AMD Unsupported watermark at the bottom right of the screen. The graphics card installed in the computer is an MSI ATI Radeon HD 6670 (in effect an AMD Radeon HD 6670). I am fairly new to linux and while I can install and tweak the OS, I am rather baffled as to what to do. So my question is will an up to date ATI Driver be released in the near future for installation/live disks? Or am I going to have to downgrade my graphics card to use linux? Yours Tom Wingrove

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  • How to squeeze the maximum performance out of Unity and GNOME 3?

    - by melvincv
    I see that I do not get good performance with the new Unity desktop, but I should say that Unity has improved a lot since the last edition Ubuntu 11.10. How to squeeze the maximum performance out of 1. Unity 2. GNOME 3 My system specs: -Processors- Intel(R) Pentium(R) Dual CPU E2180 @ 2.00GHz -Memory- Total Memory : 2049996 kB -PCI Devices- Host bridge : Intel Corporation 82G33/G31/P35/P31 Express DRAM Controller (rev 10) PCI bridge : Intel Corporation 82G33/G31/P35/P31 Express PCI Express Root Port (rev 10) (prog-if 00 [Normal decode]) VGA compatible controller : Intel Corporation 82G33/G31 Express Integrated Graphics Controller (rev 10) (prog-if 00 [VGA controller]) USB controller : Intel Corporation N10/ICH 7 Family USB UHCI Controller #1 (rev 01) (prog-if 00 [UHCI]) USB controller : Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 01) (prog-if 00 [UHCI]) USB controller : Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 01) (prog-if 00 [UHCI]) USB controller : Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 01) (prog-if 00 [UHCI]) USB controller : Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 01) (prog-if 20 [EHCI]) PCI bridge : Intel Corporation 82801 PCI Bridge (rev e1) (prog-if 01 [Subtractive decode]) ISA bridge : Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge (rev 01) IDE interface : Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 01) (prog-if 8a [Master SecP PriP]) IDE interface : Intel Corporation N10/ICH7 Family SATA Controller [IDE mode] (rev 01) (prog-if 8f [Master SecP SecO PriP PriO]) SMBus : Intel Corporation N10/ICH 7 Family SMBus Controller (rev 01) Ethernet controller : Intel Corporation PRO/100 VE Network Connection (rev 01)

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  • Multiple displays using AMD drivers

    - by Halik
    I am currently running a dual display setup with nVidia 8800GTS video card, on a Ubuntu 12.10 box. The current setup uses nVidia TwinView to render the image on a 1920x1200 display and 1600x1200 one. I'm planning to add a third, 1280x1024 display to the setup. The change will require me to upgrade my GFX card to one supporting triple displays. I'll probably go with Sapphire Radeon 7770 (FLEX edition, to avoid additional active DP-DVI adapters). Before I invest in new GFX I wanted to ask - how well the AMD drivers will support such a setup. It does not matter whether it's fglrx or the OSS ones. If I remember correctly, when running Fedora on a Radeon x800, I had 'void' areas above and below the working area on my second display. The desktop was rendered in 1920+1280 width and 1200 height (which left 176px of vertical space accessible for my cursor and windows but not displayed on the screen - I'd prefer to avoid that). It may have very well been my misconfiguration back then. Generally, are there any solutions from AMD on par with TwinView? Or is it a non-issue at all? Also, I'm wondering about the usual stuff - hardware h264 decoding support, glitch-free flash support, any issues with Compiz/Unity?

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  • How to efficiently protect part of an application with a license

    - by Patrick
    I am working on an application that has many functional parts. When a customer buys the application, he buys the standard functionality, but he can also buy some additional elements of the application for an additional price. All of the elements are part of the same application executable. A license key is used to indicate which of the elements should be accessible in the application. Some of the elements can be easily disabled if the user didn't pay for it. These are typically the modules that you can access via the application's menu. However, some elements give more problems: What if a part of the data model is related to an optional part? Do I build up these data structures in my application so the rest of my application can just assume they're always there? Or do I don't build them, and add checks in the rest of may application? What if some optional part is still useful to perform some internal tasks, but I don't want to expose it to the user externally? What if the marketing responsible wants to make a standard part now an optional part? In all of my application I assume that that part is present, but if it becomes optional, I should add checks on it everywhere in the application. I have some ideas on how to solve some of the problems (e.g. interfaces with dual implementations: one working implementation, and one that is activated if the optional part is not activated). Do you know of any patterns that can be used to solve this kind of problem? Or do you have any suggestions on how to handle this licensing problem? Thanks.

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  • "Unable to install GRUB in /dev/sda" when installing GRUB

    - by vicban3d
    I recently bought a shiny new Lenovo Yoga 2 Pro and I want to dual boot it with Ubuntu for studying purposes. Its built-in OS is Windows 8.1 and it has a 256GB SSD. I've made a separate 90GB partition just for Ubuntu and a live USB to install it. The first time everything seemed to work great, I solved the wifi issued by blacklisting ideapad_laptop, the installation went flawlessly and Ubuntu worked fine. When I got up the next morning and turned on my laptop it booted into Windows right away without ever showing the GRUB menu. So I tried to reset, and checked my partitions with the Disk Manager and everything looked fine. Since I couldn't find a solution online I went ahead and formatted the partition to try and install again. This time and every time since, the installation was aborted and I got a fatal error saying: Unable to install GRUB in /dev/sda Executing `grub-install /dev/sda` failed. This is a fatal error. Can anyone please suggest a solution to this problem? If any further information is needed I would be happy to provide it. Thanks. When installing I get the following in details: ubuntu kernel: [ 1946.372741] FAT-fs (sda2): error, fat_get_cluster: invalid cluster chain (i_pos 0). ubuntu grub-installer: error: Running 'grub-install --force failed.

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  • Native AAA games coming to Ubuntu. Where they will be installed?

    - by user86274
    Many users use SSD disks (and I believe many more in the future) for their OS. 128GB SSD disks are common place nowadays and many users (like me) use their SSD for dual booting (Windows and Ubuntu). Ubuntu installations like this occupies 20-40 GB (/ , /home and swap). Up to now there was no problem. In a few weeks though, triple A games are coming to Ubuntu (i.e. l4d2) that require probably tens of GB for installation. In windows there is no problem, because you can install a game anywhere you want (i.e. I install games in D:/Games/). In Ubuntu, though, programs install files in many places (i.e. /usr/* , /lib, /etc ) so from what I remember, I never had the option to choose where to install a program. So, how will it be possible to install AAA games that require many GBs, when our Ubuntu installations won't have the necessary space? Could a /opt mounted on a mechanical disk (HDD) be the solution? Is it something I am missing?

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  • Why does Unity not extend to my 2nd monitor, even when it is displaying an X-Screen?

    - by Gridwalker
    I recently added a 2nd video card to my system, but unity refuses to extend my desktop over to the second screen. Although the secondary monitor initialises when I boot and I can move the mouse cursor over to the 2nd screen, the screen is otherwise blank (showing no wallpaper or interface elements) and I am unable to move any windows to this monitor. Moving the mouse cursor over to the 2nd monitor changes it from the default cursor to the old-style X cursor, such as the one that appears when you run X-kill, indicating that this screen is initialised in the X Server but that Unity is not recognising it. Although the Nvidia X Server Settings application can see both monitors, the unity systems settings application does not detect the 2nd adapter. Sometimes the additional drivers application can see both adapters, but it doesn't consistently show options for them both. Xrandr also fails to detect the 2nd monitor, but iNex lists both adapters. I have experimented with several different drivers for each adapter and with setting each of the graphics cards as the primary adapter in the BIOS, but this has made little difference. The two adapters are an onboard Geforce 8200 and a PCIE Geforce 7200 GX. The onboard adapter is currently set as the primary, however this adapter crashes whenever I use the Nouveau driver and I have to switch over to the PCIE as a primary whenever I purge the proprietary drivers (switching back when the 304 driver has been reinstalled). It doesn't matter which adapter I set as my primary, the results are the same : one screen showing the unity interface and one screen showing an X-Screen that only displays the mouse cursor. All I want is to be able to run this system in a dual screen configuration. I am not a gamer, nor do I require 3D rendering capabilities. Anything you can suggest to get the desktop to extend across both screens will be massively appreciated!

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  • How to avoid to be employed by companies which are candidates to DailyWTF stories?

    - by MainMa
    I'm reading The Daily WTF archives and especially those stories about IT-related companies which have a completely wrong approach of software development, the job of a developer, etc. Some stories are totally horrible: a company don't have a local network for security reasons, another one has a source control server which can only be accessed by the manager, etc. Add to it all those stories about managers who don't know anything about their work and make stupid decisions without listening to anybody. The thing is that I don't see how to know if you will be employed by such company during an interview. Of course, sometimes, an interviewer tells weird things which gives you an idea that something goes very wrong with the company (in my case, the last manager said I should work 100% of my time through Remote Desktop, connected to on an old and slooooow machine, because "it avoids several people to modify the same source code"; maybe I should explain him what SVN is). But in most cases, you will be unable to get enough information during the interview to get the exact image of a company. So how to avoid being employed by this sort of companies? I thought about asking to see some documents like documentation guide or code style guidelines. The problem is that I live in France, and here, most of the companies don't have those documents at all, and in the rare cases where those documents exist, they are outdated, poorly written, never used, or do force you to make things that don't make any sense. I also thought about asking to see how programmers actually work. But seeing that they have dual screens or "late-modern-artsy-fartsy furnishings" doesn't mean that they don't have people making weird decisions, making it impossible to work there. Have you been in such situations? What have you tried? Have it worked?

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  • How can I triple boot Xubuntu, Ubuntu and Windows?

    - by ag.restringere
    Triple Booting Xubuntu, Ubuntu and Windows I'm an avid Xubuntu (Ubuntu + XFCE) user but I also dual boot with Windows XP. I originally created 3 partitions and wanted to use the empty one as a storage volume but now I want to install Ubuntu 12.04 LTS (the one with Unity) to do advanced testing and packaging. Ideally I would love to keep these two totally separate as I had problems in the past with conflicts between Unity and XFCE. This way I could wipe the Ubuntu w/ Unity installation if there are problems and really mess around with it. My disk looks like this: /dev/sda1 -- Windows XP /dev/sda2 -- Disk /dev/sda: 200.0 GB, 200049647616 bytes 255 heads, 63 sectors/track, 24321 cylinders, total 390721968 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Device Boot Start End Blocks Id System /dev/sda1 * 63 78139454 39069696 7 HPFS/NTFS/exFAT /dev/sda2 78141440 156280831 39069696 83 Linux /dev/sda3 156282878 386533375 115125249 5 Extended /dev/sda4 386533376 390721535 2094080 82 Linux swap / Solaris /dev/sda5 156282880 386533375 115125248 83 Linux Keep each in it's own partition and totally separate and be able to select from each of the three systems from the GRUB boot menu... sda1 --- [Windows XP] sda2 --- [Ubuntu 12.04] "Unity" sda3(4,5) -- [Xubuntu 12.02] "Primary XFCE" What is the safest and easiest way to do this without messing my system up and requiring invasive activity?

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