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  • Why do ticket websites crash?

    - by Soloman Smart
    I hope this fits into the expanse of serverfault. Apologies if it doesn't. Why do ticket websites selling tickets for major concerts/events still crash when they make the tickets available? Surely, they know there is going to be huge demand and can ensure they have capacity to deal with that? May seem like a very simple question so sorry for those who understand! Thanks!

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  • Why do Linux networks use Samba?

    - by Dougal
    The "file and printer sharing" feature of Linux distros is mostly Samba. Samba is an interpretation of Microsoft's network filesystem. Cross-OS compatibility is important of course but why are Linux systems defaulting to this Microsoft technology? Is Microsoft's network filesystem so good? Samba clearly works very well and I'm not "dissing" it. Or, to rephrase the question, "What would be a Linux-native way to share files and printers across a network?"

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  • Why VM snapshots are affecting performance?

    - by Samselvaprabu
    I read in one of the VMware KB article says that snapshots will directly proportional to VM performance. But my team keep asking me how snapshots can affect performance. I would like to give them solid reason behind the statement that snapshots are performance killers. Can any one explain a little bit theory behind why actually snapshots are affecting the performance? Is it just because Disk I/O rate of hard disk would be slow?

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  • why can't .cshrc file be automatically sourced

    - by HaiYuan Zhang
    when I ssh to a certain linux host, although my default shell is tcsh, the .cshrc file under my home directory is not sourced at all. I can't understand why this happen, cus from my understanding, if I'm using the tcsh, the .cshrc should be anyway souced! must some magic there, please tell me if you know it. thanks in advance.

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  • Why is Wifi data transfer is slow?

    - by Ali Azam Rana
    I have a wifi router which was attached with my modem, and the pc was connected to the wifi router through an ethernet cable. Yesterday I moved my modem and router to another room and connected my PC with wifi through an external wifi usb dongle (tp-link tl-w722n). I noticed that the file transfer speed from my cell to PC via wifi is greatly affected. I am not clear why is this happening because although PC is now connected through wifi but the dongle supports more than 54Mbps which is still enough.

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  • why can't i boot from cd rom?

    - by capone
    my xp sp3 o/s system is alread set to boot from cd rom 1st, but once the bootable cd is found and i get the "Press any key to Load " (or something like that) my keyboard and mouse will not work until windows begins to load. Any ideas on why and what the fix may be?

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  • On Linux, why does directory tab completion add a \ to a path starting with ~

    - by crobar
    On my work scientific linux 6.2 machine, I often start typing in a directory like below and use tab completion to finish it: ~/mydir But when I hit tab, it becomes e.g. \~/mydirectory/ With an extra forward slash at the start. Why is this, and can I prevent it? It's a pain because using cd etc. doesn't work with the extra slash, I have to start from the actual home directory which is something like /home/username/ On these PCs.

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  • Why can't I extend this partition?

    - by a2h
    My system hard drive on my Windows computer is partitioned into 3 primary partitions, and 200+GB additional free space. The partitions are contiguous: C: 20GB D: 25GB E: 208GB free: 212GB I'd like to expand the E: partition, but in the Windows Disk Management GUI, the Extend Volume context-menu option is grayed out and unselectable (screenshot link): Why won't Windows let me expand this partition?

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  • Why is my Mac contacting Romania?

    - by Jack
    I just used Onyx to clean out my caches and log files after which I did a reboot. Browsing the "All Messages" panel of the Console app I noticed this line: 10/27/13 3:38:03.000 PM kernel: 5.106.198.19 Since I did not recognize that IP I did a whois and to my surprise found out that it points to Eurolan Solutions in Romania. So my question is why is my Mac 10.7.5 contacting Romania and how can I stop this from happening? Many thanks

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  • Why not use a WAMP stack?

    - by matang
    I recently had a talk with some experienced people and they suggested to me not to use a WAMP stack, and instead install apache, mysql and php separately. I don't understand why they have suggested this, though, so can anyone tell me? Is there a particular disadvantage of WAMP, or a particular advantage to installing all of them separately? Since a WAMP stack itself is composed of apache, mysql and php, then what's the difference between using the WAMP stack and installing them all separately?

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  • Why is NTFS case sensitive?

    - by Luke
    I personally thought that NTFS was case insensitive, since you can type cmd, CMD, cMd or even CmD and still get the command prompt. However, why is it that during a CHKDSK x: /f /r, sometimes it fixes capitalization in some files? If it didn't care about the case, it shouldn't matter about that, and CHKDSK shouldn't be checking if it's actually CMD or cmd. Am I right? Where does it actually matter in the file system?

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  • Why is pdf format used?

    - by dan_vitch
    I will admit that I am new to the tech/dev field. It seems to become a trend that every time I have to work with pdfs a part of me dies. Why is this format as ubiquitous as it seems to be? Is it just non-tech people that prefer pdfs?

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  • Why is the VGA Cable attached to new monitors

    - by ahsteele
    When opening a new monitor I am amazed that the VGA cable is always attached. Even with new high end monitors that include Display Port and DVI cables the old VGA cable is always attached while the others are just left in the box. What is the reasoning behind attaching a cable in the first place and why the VGA cable in particular?

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  • Why is GPU used for mining bitcoins?

    - by starcorn
    Something that I have not really grasped is the idea of bitcoins. Especially since everybody can mine for it using a powerful GPU. I wonder why is GPU used for this purpose? Is the work done by GPU used by some huge organization or is it just wasted resource that goes into simulated mining? I mean for example SETI uses your GPU for the purpose of finding aliens, but what I can see of bitmining it seems for no actual purpose than wasted resource.

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  • Why is network utilization so low

    - by dean20007
    My network utilization in windows never seems to get above 1%. This seems absolutely tiny, does anyone know why it is so low and if there is anyway to increase it(or if it indeed does need increased) FYI: I use a D-LINK USB wireless adaptor

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  • Why can't Windows home editions connect to domains?

    - by TyrionLannister
    The company that I work for continuously hires new people, and I'm the one who has to go and purchase new computers. The majority of them, if not all, come pre-installed with Windows Home editions. I'm noticing that the Windows 7/8 Home editions are unable to connect to domains. I'm having to buy the upgrades to the Pro editions. I'm trying to understand as to why the Home edition of the OS is unable to connect to domains?

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