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  • When to use Bash, when Python/Perl/Ruby? [closed]

    - by futlib
    What's your rationale for when to write a Bash script and when to use a more powerful scripting language (Python, Perl, Ruby, ...)? I'm finding that very simple scripts are nicer with Bash, but many of those get quite fancy over time, and it never seems like a good idea to rewrite the whole thing. That's why I'm leaning towards always using Python for all scripting. But since Bash seems to be the the lingua franca of Linux scripting, is that something a responsible system administrator would do?

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  • Alternatives/Competitors to RWWGuard 2008

    - by Christopher Edwards
    Does anyone know of any alternatives or competitors to RWWGuard? http://www.scorpionsoft.com/products/rwwguard2008/ I am looking for a two factor authentication system for Remote Web Workplace for Small Business Server 2008. RWWGuard seems good but a little expensive and also I'd like something to evaluate it against.

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  • Is there any way to get the combine two xml into one xml in Linux.

    - by user28167
    XML one is something like that: <dict> <key>2</key> <array> <string>A</string> <string>B</string> </array> <key>3</key> <array> <string>C</string> <string>D</string> <string>E</string> </array> </dict> XML Two is something like that: <dict> <key>A</key> <array> <string>A1</string> <false/> <false/> <array> <string>Apple</string> <string>This is an apple</string> </array> <array> <string>Apple Pie</string> <string>I love Apple Pie.</string> </array> </array> <key>B</key> <array> <string>B7</string> <false/> <false/> <array> <string>Boy</string> <string>I am a boy.</string> </array> </array> </dict> I want to convert to this: <dict> <key>2</key> <array> <string>A, Apple, Apple Pie</string> <string>B, Boy</string> </array> ... </dict>

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  • How to buy a computer that supports multiple monitors?

    - by Curtis Gibby
    When shopping for a new desktop computer, I'd like to get one that allows me to use two monitors. Is that something that most current-generation video cards can do (in late 2012), or do I need to search for a specific graphics card, or specific attributes for a card? I've Googled the question but most answers talk about how to figure out if a computer that you already have can support dual monitors (generally, by plugging two monitors and seeing if they both work). Is there some key terminology that I'm missing in my searches?

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  • CPU Test Similar to Memtest?

    - by Nick Whaley
    I need an easy way to do system stability tests. I have come to rely on Prime95 which does a fantastic job of proving stability (or instability) very quickly; but it requires an OS installed. I would like something like Prime95 that stresses both CPU and RAM (maybe PCI-Ex bus also?) but runs in a nice bootable binary like Memtest86+ does, so I can boot it from a thumbdrive. Does such a thing exist?

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  • Disk usage treemap software for headless Linux

    - by CyberShadow
    There are some programs which can display used disk space using a treemap, such as WinDirStat for Windows and KDirStat for KDE/Linux: I'm looking for something similar, but for a headless Linux box. (E.g. run console data collection program on the server, then load the file in a graphical program in a GUI environment.) Alternatively, what are other good ways to get a structured used disk space representation, with just SSH access?

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  • Is it possible to install Ubuntu Server 10.04 *from* a USB drive?

    - by MousePad
    I've tried the Universal USB Installer from PenDrive, and put 10.04 Ubuntu Server on it. But when I boot up and try to install, it looks for a Ubuntu CD ROM, which I do not have. I thought the whole point is to be able to install from a USB, which seems easy with the Desktop version. Why is the server version not allowing me to do this? Am I missing something?

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  • Loss of wireless network connectivity when playing video via HDMI cable

    - by Jeff Fohl
    Hi Folks - New to Super User, so I hope this question fits in with the guidelines. Very strange problem I am having, and I am at a loss as to how to continue troubleshooting this one. The basic problem is that when I attempt to watch streamed video on a particular display device (an Optoma HD180 projector), my network connectivity drops like a stone to barely measurable levels. This is my setup: I have a Dell H2C 730x running Windows 7 64bit. This particular computer has two ATI Radeon HD 4800 video cards. I have two Samsung 22" monitors connected to one card, and an Optoma HD180 digital projector connected to the other card via an HDMI cable. My internet connection is normally a reliable 6Mbps. The problem I am having occurs when I stream video (or even just browse the web) on the Optoma Projector. When I do this, my internet connection drops to practically zero (just a few kilobits per second). When I move the browser away from the projector, and over to one of my Samsung monitors, the internet connection comes right back. Note that the Optoma projector is on and enabled as a third monitor all this time. I can move the mouse around on the projector without triggering the problem. I tried pinging my router when I was playing a movie on one of the monitors, and I get a 1 millisecond response. However, when I have the movie playing on the Optoma projecter, pinging the router gives me response times in the hundreds of milliseconds, or times out completely. So, it clearly is something local to my machine - and not some sort of throttling occurring down the line. I would think that it is possibly something to do with the HDMI driver conflicting somehow with my network driver (which is a USB-based wireless connection). This one has me really stumped. Anyone have any ideas? EDIT: I am now leaning towards the possibility that the HDMI cable is somehow interfering with the wireless network, when large amounts of data are being pushed through the cable. Is this possible?

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  • Self-Charging, USB Portable Speaker Recommendations

    - by Koobz
    There are lots of strictly usb powered speakers, but I don't imagine they're that good. I'd like something that I can plug in at home, have the speakers charge and when I go to the park with my friends, I'm not compromising sound quality or battery life. Does anything like this exist?

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  • killing all instances of chrome on the command line?

    - by Fedor
    In some cases killing a single tab/process doesn't do it and I need to close Chrome entirely. Since Chrome has multiple processes, how can I close all of them at once? I know that... pgrep chrome returns all the pids, can someone tell me a trick that would allow me to close all of them by feeding them to another command or merging them to a csv or something?

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  • Git push write access for deployment denied

    - by Stepchik
    I have strange issue when try git push. Git clone and commit works fine. W access for my_project DENIED to deploy_my_project_ My gitolite.conf repo my_project R = deploy_my_project_111 RW+ = my_name I wonder why git push takes wrong user (deploy_project_111) with read access. This error is float. Twice i had to change rsa key(rsa keys is unchangeble) and restart computer. May be my computer do something wrong.

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  • How big of a bandwidth hog is Internet radio?

    - by jmgant
    I was thinking about logging into Pandora at work like I do at home, but I'm concerned about sucking up all of the available bandwidth on the network with something that's not strictly work-related. I don't have a thorough technical understanding of how streaming content like Internet radio is delivered, so I don't really know how to measure the impact. Can anyone offer any perspective on how much bandwidth Internet radio consumes relative to normal Internet browsing? Is there any way to measure how much I'm using for a specific site like Pandora?

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  • What would cause intermittent DomainKey-Status: failures?

    - by wherestheph
    Every week, we send something like a small newsletter. Sometimes, the header in the newsletter says DomainKey-Status: bad (test mode) Sometimes it says DomainKey-Status: good (test mode) All the other headers in the email are the same (besides expected time and message id differences). None of the email server configuration has changed. What would cause this problem?

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  • Windows Server 2003 DNS cached lookups modification

    - by Mike
    Hi, Is it possible to modify the entries in the cached lookup? I need to temporarily change the resolution of an IP address of a domain name to something else. I can't wait until DNS updates. Sorry, forgot to mention that the interface of the server has DNS set to itself. DNS server is running.

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  • How to make IE 9 stop reading all the fonts every time?

    - by Mehrdad
    Process Monitor showed me that IE 9 accesses every time it loads on my system, which makes it have a 1- to 2-second delay every time it loads. (I tested this by removing my fonts -- it loaded much more quickly.) It gets a little annoying, because it's the best handler I have for MHT files, so I don't want to switch to something else. Is there any way to make it avoid doing that? (The "Hide Fonts" feature in Windows 7 doesn't work.)

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  • overusage of RAM in Hypervm VPS

    - by Mac Taylor
    hey guys I have a VPS running on hypervm in proceses list i have something like this > /usr/libexec/mysqld --basedir=/usr > --datadir=/var/lib/mysql --user=mysql --pid-file=/var/run/mysqld/ user : mysql which takes 150 mb RAM and then /usr/sbin/named -u named -t /var/named/chroot user : Named 50 mb RAM taken by this process how can i solve this overusage of RAM and reduce it . I have access to root and SSH

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  • Video player with note-taking features?

    - by doug
    Does anyone if is any player which supports to take notes while I play a movie or something? I can use notepad, but I have to use mouse or alt-tab extensively in order to switch from notepad to the player to pause the movie. I was thinking that the guys who add subtitles are using this kind of feature. Any idea? many thanks

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  • Iptables rule creation error: No chain/target/match by that name

    - by MikO
    I'm trying to create my first VPN on a VPS with CentOS 6, following this tutorial. When I have to create an iptables rule to allow proper routing of VPN subnet, with this command: iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE It throws this error: iptables: No chain/target/match by that name I was searching and I've found that this error is usually thrown when you misspell something, but as far as I understand, the rule is correct...

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  • Clearing cmd.exe memory or cache

    - by Abs
    The main question is how do I clear the command prompts memory or cache. I ran this on cmd.exe svn info <URL> Which prompted me a for a username and password which I entered. I then logged off and logged back in immediately and I entered that same command and I wasn't asked for a username and password. I want to clear this to test something without restarting my server! How can I do this?

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  • To control decibels in speakers by Ubuntu

    - by Masi
    I need to load the module pcspkr to Linux kernel often by sudo modprobe pcspkr. It sometimes happens that something goes totally wrong such that I cannot stand the amount of decibels in my speakers. I would like to control the amount of decibels in my speakers and to have a visual speaker in my top panel which indicates the amount of decibels in my computer at each given time How can you solve at least one of the problems?

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