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  • Resource consumption of FreeBSD's jails

    - by Juan Francisco Cantero Hurtado
    Just for curiosity. An example machine: an dedicated amd64 server with the last stable version of FreeBSD and UFS for the partitions. How much resources consume FreeBSD for each empty jail? I mean, I don't want know what is the resource consumption of a jailed server or whatever, just the overhead of each jail. I'm especially interested on CPU, memory and IO. For a few jails the overhead is negligible but imagine a server with 100 jails.

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  • Different Results of Scanning Wireless Networks

    - by Tim
    Hi, I found that under Ubuntu, WICD and command "/sbin/iwlist wlan0 scan" give a little different list of wireless networks. Windows 7 also gives a slightly different list. For example, there is one shown in WICD but not in the command nor in Windows 7. I wonder why? How to get a complete list of wireless networks? Thanks and regards!

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  • GPU Temperature comparisons between similar GPUs of the same line

    - by White Phoenix
    As a general rule of thumb, if there are two similar GPUs from the same line (i.e. an NVIDIA GTX 260 vs a NVIDIA GTX 280), will the less powerful or more powerful GPU run hotter? This is assuming all other factors stay the same - hardware configuration, cooling setup, ingame settings, etc. Or does this depend entirely upon the GPU itself? I do remember reading that the GTX 280 in this example was terribly inefficient with power and cooling.

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  • Distro List - can a member be blind copied?

    - by Jessie
    Is it possible to set up a distro list on an exchange server to send a blind copy to one of the recipients? For example: I'd like to have a distro go to Help, Support, and IT. However, I don't want the sender to know it goes to Help if they expand the distro in the To: field. I know this is most likely impossible, but I figured it wouldn't hurt to ask.

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  • Font scaling issue in win 7

    - by NewProger
    I have a problem with font scaling in Win 7. I tried to search but found no apparent solution to this. About the problem: It manifest itself in older games (from Win 95 era). For example I get this in "Demise rise of the kutan", and in some other games I don't get any errors but the fonts are completely out of place/alignment/size etc. Is there way to fix it so that I can run older programs/games?

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  • How to filter running in VLC video stream on commandline?

    - by Rais
    I easily can broadcast my webcam with VLC using command lines like this (I use Windows): "C:\Program Files (x86)\VideoLAN\VLC\vlc.exe" -vvv -I --dshow-vdev="Logitech QuickCam Express / Go" dshow:// --sout When I paste command into CMD and hit enter it starts streaming (all is fine - I can play it). How can I now for example add brightness or any other filter to that stream from the commandline?

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  • getting rich text from the X clipboard

    - by intuited
    How can rich text be obtained from the X clipboard? For example, if you copy some text from a web browser and paste it into kompozer, it pastes as HTML, with links etc. preserved. However, xclip -o for the same selection just outputs plain text. I'd like to pull the HTML out and into a text editor.

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  • Adding default command line options when opening a particular filetype

    - by dbdkmezz
    I'd like to make it so that whenever I open a particular file type (by double clicking it in explorer) it always opens the associated program with particular command line options. So, for example, when double clicking a .tex file I want it to not only open it with emacs (which is easy to set up just by going into "Open With"), but run emacs with the command line option "-fs". What's the easiest way to do this? Thanks

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  • Software to hold battery at 50% charge level

    - by Mehper C. Palavuzlar
    My Sony Vaio laptop has a built-in program called "Sony Battery Care" which provides a functionality to hold battery at certain levels of charge while operating. For example, I've set it to 50% and the battery is always kept at that level while on AC power. This mode prevents battery degradation and is more effective as I usually use my laptop with AC power. I'm looking for a similar program to use with other laptops with Windows OS; preferably a free one.

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  • How do I open files from the command line in Mac

    - by Michael
    I'm following a video tutorial where the author (who uses textmate) can open files by using "mate". for example mate .git/config will open this config file I'm using textwrangler however so I don't have that option. I did try edit .README once when i tried to open the README file of an application, but it opened a blank README file in textwrangler instead of the file with the text in it so any idea how I can open this .git/config file (or any other file) using textwrangler? I'm using Mac snow leopard

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  • How to have my iPad use the 2008 server's internet connection?

    - by Dabblernl
    I have an iPad that is connected to the Wireless router in my network. However, this router is connected to my Win 2008 server, which in its turn is connected to the internet. The iPad is unable to connect to the public url for the exchange server on the server (www.example.com) and has erratic internet access, where Windows laptops are provided with faultless internet access, even when they are not a member of the domain. How do I solve this?

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  • Scanner Dayly Duty Cycle

    - by Juanp
    I'm comfused with the concept of 'Daily Duty Cycle'. For example if I have a scanner that the spec is: PPM (pages per minute): 90 and DDC (Daily Duty Cycle): 800. and I am interested in scanning ONLY 10hours continuously, what would it be the best choice: 90 * 60 * 10 = 54.000 or (800 / 24) * 10 = 333 It is very different results. what would it be the best option?

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  • Postfix server to receive emails for anyonymous user

    - by sachitad
    I have a postfix server configured with imap. Only the recipient with the user account in the system is accepted. For example: rcpt to: test@localhost will yield the following error: 550 5.1.1 <test@localhost>: Recipient address rejected: User unknown in local recipient table What I want to achieve is setup virtual maps which accepts email to all the users (even if the user doesn't accept in the system) then forward all those emails to a specific user mailbox. Is something like this, possible?

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  • Use of hyphen in shell command

    - by deanloh
    I feel shy to ask this question, but if I don't I will never know, so here I am giving it a shot: I notice most shell commands use "-" for options, but I also noticed some commands do not have it. For example, to archive files in a given direct, the command is: tar czvf allmyfiles.tar.gz * However, to extract an archive, the command I learned, is: tar -zxvf allmyfiles.tar.gz Looking at both examples above, is there any significance whether to include the hyphen or not?

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  • Firefox: Stop never-ending popup alerts

    - by cbp
    It is possible for javascript to get stuck in a loop of opening up alerts. For example: for(var i=0;;i++) alert('This will never stop'); Is there a way to gracefully stop this in firefox, without having to kill the whole process?

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  • display sql syntax in Oracle's sqlplus?

    - by user1375963
    What is in Oracle's sqlplus equivalent of Linux's man or --help ? When I'm in sqlplus and type help index, I get some commands displayed, but there is no way to get specific sql syntax. For example if I type 'help select' I get: SP2-0172 No HELP matching this tiopic was found. Of course, I would like to get all available options for select command. How can I get info or sql syntax while I'm at sql prompt ? Thanks

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  • Rename X11 input devices with hotplugging?

    - by buergi
    Is it possible to change the X11 input device identifiers, as they are for example listed by xinput? Preferably without switching to a static xorg.conf configuration, I'm using xorg-server 1.12.4 (archlinux). I need to do that since, as it seems Blender identifies the Pen and Eraser of a graphics tablet using the hardcoded names "stylus" and "eraser" but by default the names of my tablet are prefixed with the type e.g. "Wacom Bamboo 16FG 4x5 Pen stylus".

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  • Is it possible to run multiple mongod instances on a single set of database files

    - by 9point6
    We have large multi-gigabyte data sets on which we run very complex queries, for example { $or: [ { id: 30000001, ... }, { id: 30000005, ... }, ..., { id: 30001005, ... } ] } It seems that CPU is actually a bottleneck at this point, so I'd be advantageous to be able to run multiple mongod instances on the same set of database files. We've considered using replica sets to this end, but would prefer to not require the extra disk space simply for CPU reasons.

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  • Glassfish Virtual Servers with Different Contents

    - by Nikael Vergara
    I have been searching google for hours trying to find out whether different virtual servers in glassfish 3.1 could contain different contents. For example there are two virtual servers named VS1 and VS2. I added a sample application on VS1. Is the sample application I added on VS1 can be edited or seen on the admin console of VS2? In this feature possible in glassfish? Any help will be appreciated.

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  • Redirect all traffic to specified hosts behind NAT

    - by biesiad
    Is there a possibility to redirect all traffic to specified hosts behind NAT? For example i have a server, a domain "mydomain.com" and 3 hosts behind NAT. I wish to configure 3 subdomains: host1.mydomain.com host2.mydomain.com host2.mydomain.com and each of them to redirect all ports to specified host in local net. That redirection should provide funcionality like this: http://host1.mydomain.com (can be achieved using apache) ssh [email protected] (???) and other protocols on diferent ports Thanks for any help.

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  • Is it possible to add asterisk serveralias to virtualhost without modifying httpd.conf manually?

    - by Favourite Chigozie Onwuemene
    Is it possible to add wildcard serveralias (example: *.somesite.com) in an apache server without modifying httpd.conf manually? I use a DNS different from my hosting server and i have added asterisk A record to my DNS to point all request like (test.somesite.com,test2.somesite.com) to my hosting servers IP, but i don't see anyway of adding asterisk serveraliases to apache httpd.conf file in my cpanel. Pls is there a solution?

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