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  • sizes of RAM, of virtual memory and of swap for 32-bit OS

    - by Tim
    If I understand correctly, a 32-bit OS (Ubuntu) can only address 4GiB memory, so RAM with size larger than 4Gib will only be used 4Gib of itself and the rest is a waste. I am now confused about this situation for RAM with similar one for virtual memory and for swap. with virtual memory being swap + RAM, if the size of the virtual memory exceeds 4Gib, will the exceeding part be a waste for the 32-bit OS? if I now have to choose the size for my swap partition, is it a factor to consider that the 32-bit OS can only address 4GiB memory? Does the size of swap have to be chosen with respect to the 4Gib addressible limitation? Will the swap exceeding 4GiB always be a waste? is virtual memory equal to RAM and swap? or can virtual memory use space on the hard drive outside the swap partition? Thanks and regards!

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  • lubuntu DVD not boot

    - by tuxi
    I downloaded from first link on http://lubuntu.net/ Burned a DVD with CD Burner XP in another PC , and at the main computer changed BIOS boot setting to look at CD DVD driver first. Now at the main computer there is an old Ubuntu 8 Hardy Heron. There is no direction when i put new burned DVD at DVD driver. Where am i wrong? Is there something that i misunderstand, for example lubuntu is really an OS which can be installed on harddisk?

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  • How do I rip a dvd including menus and extras to a menu driven divx file (or any lossy format that supports menus)?

    - by John Baber
    I am asking exactly this question for the same reason, but would like to archive dvds as small, low quality video, while preserving the menu choosing experience. I would like to rip my dvds to something that has the same menus but whose video is in a much more compressed format. I do not want to copy a dvd to an .iso image. How can this be done in the most automatic (hopefully CLI) way possible? Any format is fine so long as playback on linux is possible.

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  • By what methods can I check information about a DVD video disc?

    - by chobok
    I have some DVD video discs that I am intending to sell. I would like to get information such as region, language, subtitles. Some of the discs are in another language which I cannot read, and some are from small publishers and do not have such information on the disc or the boxes. What methods can I use to access this information? Please list command line options, as well as common GUI based tools (eg VLC player).

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  • Virtual Machines and Automatic Software Updates

    - by Zian Choy
    It's obvious that one's main computer should always be have all the latest security patches and most people don't blink an eye when Microsoft Update installs non-security updates. In the land of virtual machines, I've run into 2 problems with automatic updates: The virtual machines are only run when needed. Only Windows virtual machines seem to patch themselves. To elaborate on #1, I generally make a virtual machine with a purpose in mind. For example, when I needed an old copy of Internet Explorer to reproduce a bug in RSS Bandit, I had a Virtual PC named RSS Bandit. The machine only stayed running for a few minutes at a time. Consequently, there is no downtime for the machine to download updates at 3 AM. To elaborate on #2, I've noticed that if I haven't run a Windows virtual machine in a while, then the moment I log in, the computer frantically downloads updates and within seconds, if I click the Start button, there is a little orange shield next to the "Shutdown" button. However, I ran a freshly created Ubuntu VM for several hours today with hundreds of updates pending and it seemed to never download any of them or install any of them. Is there any reason to be concerned about running VMs with dozens of security holes? If I should be concerned, then is there any way to get Ubuntu to download and install updates rather than just advertising a long list of updates to download next century? I've already tried telling Ubuntu to automatically download and install updates.

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  • Repairing Damage to VMWare Virtual Disk

    - by Lachlan McDonald
    Evening all, I've got a considerable problem I'm hoping to get some resolution on. I had two VMWare 6.5 virtual machines, one running Ubuntu 9.10 and the other Ubuntu 10.04. I used 9.10 as a testing server, so I could install a LAMP environment to prepare some code. Over the months I took a number of snapshots of this VM just in case something went wrong, and did a full copy of the entire VM a month ago. I created the 10.04 VM when Lucid Lynx launched so I could continue development on a fresh install. To get the files over, I simply added the 9.10 virtual disk into the 10.04 VM, grabbed some of the files I needed, and dismounted it. Unknown to me at the time, the changes to the 9.04 virtual disk meant that I could no longer boot it with the 9.10 VM. I'd always get the "The parent virtual disk has been modified since the child was created." error. I decided this was a good time to backup all the critical files, but now whenever I open the 9.04 disk to get the data it isn't in the same state as it was earlier. My question is; is it possible when I'm mounting the virtual disk that I'm not seeing the most recent snapshot, or in my blundering, have I lost the virtual disk. Cheers

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  • Missing Data on VMWare Virtual Disk

    - by Lachlan McDonald
    Evening all, I've got a considerable problem I'm hoping to get some resolution on. I had two VMWare 6.5 virtual machines, one running Ubuntu 9.10 and the other Ubuntu 10.04. I used 9.10 as a testing server, so I could install a LAMP environment to prepare some code. Over the months I took a number of snapshots of this VM just in case something went wrong, and did a full copy of the entire VM a month ago. I created the 10.04 VM when Lucid Lynx launched so I could continue development on a fresh install. To get the files over, I simply added the 9.10 virtual disk into the 10.04 VM, grabbed some of the files I needed, and dismounted it. Unknown to me at the time, the changes to the 9.04 virtual disk meant that I could no longer boot it with the 9.10 VM. I'd always get the "The parent virtual disk has been modified since the child was created." error. I decided this was a good time to backup all the critical files, but now whenever I open the 9.04 disk to get the data it isn't in the same state as it was earlier. My question is; is it possible when I'm mounting the virtual disk that I'm not seeing the most recent snapshot, or in my blundering, have I lost the virtual disk. Cheers

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  • virtual disk image - file or partition

    - by tylerl
    I'm looking at the differences between using a file versus a partition to store a virtual disk image in VM use. The common knowledge is that partition-based images are faster than file-based images because of a decreased overhead. It makes sense, but I've never seen any actual numbers. My own testing bears out a different result. When I benchmark a direct-to-partition virtual disk, then format that same partition with ext4, create a virtual disk image stored on that ext4 filesystem, and then benchmark that, I see no speedup at all for the direct-to-partition virtual disk. Instead on some systems the file-based image is even faster (possibly due to host OS caching or something like that). This test was repeated many times on many systems, with fairly consistent results. So perhaps throwing out the performance justification, is it still considered better to use a partition rather than a virtual disk image? Is there some other reason why direct partition access is better than image files? Or perhaps is there some reason to go the other way around? Perhaps an advantage in one of the virtual disk file formats that you don't get with raw partition images?

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  • Accessing clearcase view drive from virtual machine is slow

    - by PermanentGuest
    I have a windows XP virtual machine running under a Windows XP host. On the host : On the host clearcase 7.1.1.2 is installed. I have a dynamic view mapped onto some drive. The view has certain VOB/directory structure where my application DLLs from the nightly build and config files are stored. I run my application on the host machine which uses the DLLs and config files from the VOB and everything runs smooth. Now I want to move this set-up to a virtual machine. On the guest : I'm running the guest with a vm-player. I don't want to install clear-case on this as I don't want to expose this machine onto the network. The network setting in the guest is 'host-only'. I have mapped the host's clearcase view drive as a shared folder and I'm able to access this drive from the virtual machine. Also, the application is running. However, the problem is that the access of the clearcase drive from the virtual machine is very slow. I can experience this from the windows explorer. Due to this, the starting of my application takes several seconds in the virtual machine while on the guest it comes up pretty fast. My question is : Is there any way to speed up the performance? I have managed to copy some of the DLLs which don't change frequently to the virtual machine to improve the performance. However, there are still lot of DLLs which have to be taken from the clearcase drive as they change frequently. VMplayer version is : VM Player 3.0.1 build-227600 Both guest and host is : Windows XP service pack 3 Host clearcase is : clearcase 7.1.1.2

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  • Can't remote into Virtual PC

    - by Spamela
    I used to be able to remote into my Virtual PCs. It has been working for at least a year. Yesterday just stopped working... I cannot figure it out... Things I have triple-checked: 1. My Virtual PCs have "Allow Remote Access" checked. 2. My Virtual PCs have an account in the Administrator group that is password protected. 3. My Host's entry in the registry for the Terminal Services Port is still the default of 3389. So here is the strange thing. I can't even remote into the Virtual PC from it's host much less another PC... From the host, I can ping the Virtual PC and get a response but when trying to remote into it from the host I get the following error: Remote Desktop can't connect to the remote computer for one of these reasons: 1)Remote access to the server is not enabled. 2)The remote computer is turned off 3)The remote computer is not available on the network My host is running Windows 7. Virtual PCs are running XP. Thank you for looking at this!

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  • How to add NT Virtual Machine\Virtual Machines to GPO

    - by Nicola Cassolato
    I have a Windows 2012 Server with Hyper-V enabled and a few virtual machines. My current configuration has a few account in the "Log on as a service" list in the domain policies, and sometimes this prevent my virtual machines from starting (I get this error: 'Error 0x80070569 ('VM_NAME' failed to start worker process: Logon Failure: The user has not been granted the requested logon type at this computer.') As described in this KB I would like to add NT Virtual Machine\Virtual Machines to my "Log on as a service" list to resolve my problem. My problem is that when I try to add that user to my domain policy I get an error message: "The following account could not be validated". My domain controller obviously doesn't know about that user since it's not an Hyper-V enabled server. How can I add that account to my Domain Policies?

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  • Legality of ripping DVD audio

    - by Smashery
    I want to buy several live music DVDs, but I also want to be able to put the music in my playlists. It seems ridiculous that I should also have to buy the Live CD version. Is it legal (particularly under Australian law) to rip the audio?

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  • dvd burning software for ubuntu

    - by user23950
    I've tried brasero which is the default software for burning data in ubuntu. But it seems to be malfunctioning. I thought it can only burn image files. And it cannot distinguish what file you are burning. I'm burning .avi files to be burned as a data. But I can only see the option burn as an image file. Do you know of any other software for ubuntu that can burn files as a data?

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  • Muxing DVD to Mpeg TS

    - by eckesicle
    I am looking for good software to generate a MPEG transport stream from DVDs and other MPEG2 files. I have tried with ffmpeg but it produces broken streams. Preferably Linux software but Windows is fine too. Free or commercial. Thanks.

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  • Apache disabled virtual host domains resolve an enabled virtual host

    - by littleK
    I have three virtual hosts defined on apache on my Ubuntu server for three different domains. If I disable two of the virtual hosts (a2dissite) and try to resolve those two URL's in the browser, then the one remaining enabled site will resolve. How can I configure apache so that the domains for the disabled virtual hosts do not resolve? This is how all 3 virtual hosts are configured (info is masked): # domain: myfirstdomain.com # public: /home/me/public/myfirstdomain.com/ <VirtualHost *:80> # Admin email, Server Name (domain name), and any aliases ServerAdmin [email protected] ServerName www.myfirstdomain.com ServerAlias myfirstdomain.com # Index file and Document Root (where the public files are located) DirectoryIndex index.html index.php DocumentRoot /home/me/public/myfirstdomain.com/public # Log file locations LogLevel warn ErrorLog /home/me/public/myfirstdomain.com/log/error.log CustomLog /home/me/public/myfirstdomain.com/log/access.log combined </VirtualHost>

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  • High-end CD/DVD burners?

    - by Robert Harvey
    Do such things exist? I wouldn't mind paying $100 to $200 for one, but it must: Have a very fast spin-up to ready time (less than one second) Have an even faster dismount time (say, half second) Can go from dead stop to laying down bits in two seconds or less Can be instantly abortable and resettable regardless of current operational state Does anyone know of such an animal?

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  • Good DvD media player for Ubuntu 9.10

    - by nardone25
    Hello everyone, in serverfault. I just have a question? I have a load of cisco videos, that I enjoy watching. The format is wma. Is there any good wma formats out there. I have been reviewing a few, I just would like to hear it for you guys. Sorry I am using ubuntu 9.10

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  • Good DvD media player for Ubuntu 9.10

    - by nardone25
    Hello everyone, in serverfault. I just have a question? I have a load of cisco videos, that I enjoy watching. The format is wma. Is there any good wma formats out there. I have been reviewing a few, I just would like to hear it for you guys. Sorry I am using ubuntu 9.10

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  • Looking for fault-tolerant, multi-CD/DVD burning software

    - by MichaelKay
    A few years back, I saw an open-source application that created fault-tolerant, multi-CD backup sets. The thought was that if a few sectors went bad on one CD, the data could be reconstructed from others similar to a RAID 5 hard-drive setup. I did some searching and I could not find the application again. Does anyone know of a application that works in this manner. It needs to work with both CDs & DVDs. Linux or Windows will be OK.

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  • How can I create a bootable DVD iso from a USB drive?

    - by Kiada
    There seems to be a lot of questions / answers about doing the reverse, but not as much info for USB - DVD. Problem I created a bootable USB drive using YUMI. The USB drive is working great, and contains the following: Linux Mint 13 Linux Mint Debian Debian 6 Ubuntu 12.04.1 Fedora 17 A bit of a mix of DVD and Live versions. I have a spindle of DVD+R DL blank DVD's. I would like to create a bootable .iso from this USB drive so I can burn multiple copies of it to pass around to friends! I've created an iso using Folder2ISO, but it coastered my DVD because it wasn't bootable. I don't really want to waste a whole spindle! How would you go about doing such a thing?

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  • What are the Best Virtual Desktop Managers for Windows 7 excluding Dexpot? [closed]

    - by user233641
    My question is different to others as my list of important features is completely different and I believe unique. Necessary Features Are: Dual-monitor support 6 desktops minimum Different icons can be created on different desktops Reliable and does not delete or remove icons without input from me Ability to save profiles and reload them if necessary Ability to change the home desktop to a different one Reasonably easy to use Keyboard Support Good email support

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