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• How large is the performance loss for a 64-bit VirtualBox guest running on a 32-bit host?

  - by IllvilJa

  I have a 64-bit Virtualbox guest running Gentoo Linux (amd64) and it is currently hosted on a 32-bit Gentoo laptop. I've noticed that the performance of the VM is very slow compared to the performance of the 32-bit host itself. Also when I compare with another 32-bit Linux VM running on the same host, performance is significantly less on the 64-bit VM. I know that running a 64-bit VM on a 32-bit host does incur some performance penalties for the VM, but does anyone have any deeper knowledge of how large a penalty one might expect in this scenario, roughly speaking? Is a 10% slowdown something to expect, or should it be a slowdown in the 90% range (running at 1/10 the normal speed)? Or to phrase it in another way: would it be reasonable to expect that the performance improvement for the 64-bit VM increases so much that it is worth reinstalling the host machine to run 64-bit Gentoo instead? I'm currently seriously considering that upgrade, but am curious about other peoples experience of the current scenario. I am aware that the host OS will require more RAM when running in 64-bit, but that's OK for me. Also, I do know that one usually don't run a 64-bit VM on a 32-bit server (I'm surprised I even got the VM started in the first place) but things turned out that way when I tried to future proof the VM I was setting up and decided to make it 64-bit anyway.

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• How can laptop keyboard keys be removed and replaced?

  - by Lord Torgamus

  I'm trying to fix a laptop keyboard that has issues with keys on its left side. Just by feel, it's clear that something sticky got under there. There could be something crunchy too, but that might just be the sound of the key's spring releasing itself from the sticky. I don't know the cause because it's not my computer and the owner isn't sure, but I'm guessing soda spill for now. The computer is an HP dv2500. I've removed the keyboard and blown under it but that hasn't helped. I didn't use compressed air because I just don't have any available, but I suspect it wouldn't help with sticky. So, I'd like to pop they keys off and clean with damp cotton swabs or similar. Is there a proper way to remove the keys? I've found some instructions via Google for non-laptop keyboards, but they don't seem like they'd work for me. Alternate solutions to the problem also welcome, but I've been curious about how to remove the keys for some time for other reasons.

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• How does Google geo location service work?

  - by heaosax

  I dont use google maps much, but I was using it today and I clicked the "Show my location" button for the first time, then firefox asked for permission and I clicked "share my location", google maps showed my location pretty accurate. But, how does this system really works? I mean how can google know where I live? I am connecting to the internet with a VPN, so my "public IP" is not from my country, but from sweden, also I use linux and I change the mac of my wireless device, but google still show my location. I know I can disable this feature setting firefox about:config geo.enabled to false, but I am curious about how google can know where I live even when I dont have a real mac address and my IP is not from my real country. Basically I'd like to know if this feature works only because of code that exists in chrome and firefox (which spies my system)? I am worried about anyone knowing where I live, I mean... where is my privacy? Part of the fun about the internet is remaining anonymous.

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• Simple Distributed Disconnected way to sync a directory

  - by Rory

  I want to start regularly backup my home directory on my ubuntu laptop, machine X. Suppose I have access to 2 different remote (linux) servers that I can backup to, machines A & B. Machine X will be the master, and should be synced to A and B. I could just regularly run rsync from X to A and then from X to B. That's all I need. However I'm curious if there's a more bandwidth effecient, and hence faster way to do it. Assuming X is going to be on residential style broadband lines, and since I don't want to soak up the bandwidth, I would limit the transfer from X. A and B will be on all the time, however X, will not be, so I'd also like to reduce the amount of time that X is transfering, potentially allowing A and B to spend more time transfering. Also, X won't be connected all the time. What's the best way to do this? rsync from X to A, then from A to B? Timing that right could be troublesome. I don't want to keep old files around, so if I was to rsync, then the --del option would be used. Could that mean something might get tranfered from A to B, then deleted from B, then transfered from A to B again? That's suboptimal. I know there are fancy distributed filesystems like gluster, but I think that's overkill in this case, and might not fit with the disconnected nature.

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• In Windows 7, why won't my display stay off despite the power settings saying it should?

  - by Jer

  I'm completely stumped by this. My simple use case is that when I'm in bed, I use a cordless mouse to browse the web, watch videos, etc. - the monitor is across the room. When I'm going to sleep, I want to shut the monitor off. I also want to be able to turn it back on in the morning. I just want to turn the monitor off and on using only the mouse. I thought of creating a power setting that turned the monitor off asap (the shortest amount of time is one minute; that's fine). I have one that does this. It worked great for almost a year on my old XP machine, and for about four months on my new Windows 7 laptop (which I essentially use as a desktop). All of a sudden a couple weeks ago, it just stopped working - my monitor won't turn off on its own anymore. Here are the settings: I tried other options. Based on the advice here I tried nircmd. This seemed great. I created a shortcut with the command line: "C:\Program Files\nircmd\nircmd.exe" cmdwait 1000 monitor off I click this, and in one second the monitor goes off. However about five seconds later it turns back on, and I've been extra careful to make sure the mouse isn't moving. I have no idea what's going on. Based on both of these things, my only guess is that something could be running in the background which somehow makes the computer think it's in use. I've tried killing as many programs as possible but I still get the same behavior. Any advice? I'm mainly curious about how to debug, but am open to other suggestions about turning the monitor off and on with just the mouse as well.

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• rsync per-site configuration file?

  - by Scott

  I know how to configure a per-site entry for ssh, but is there any kind of a client configuration for rsync that allows per-site configuration options and aliases or similar shortcuts like the .ssh/config? I'm curious because I have a minimal ssh server installed on my android phone and I also have a minimal rsync tool on it as well. I'm getting tired of having to root login onto the phone and sym-link both tools to standard places the android OS looks for executables as the ssh server is bare bones and has a typical *bear multi-link binary for the basic unix commands (that does not include rsync) I end up having to include --rsync-path=/path/to/rsync/android/files/rsync every time I want to do any rsyncing of the files on my phone, but this path is always the same. I've gotten around it in the meantime with a glob approach in a shell script wrapper, but this sometimes limits the customization I can do with the rsync call. I'm just wondering if there is anything similar to the .ssh/config file where I can create an alias for my phone (e.g. 'android') where specifying rsync android:/mnt/sdcard will automatically assume --rsync-path=/blah/blah/blah --no-g --no-p --no-t etc. Tre`

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• Mail Server using Postfix

  - by unknown (google)

  I have currently set up my web application on Amazon EC2 server. As a well known fact sending email from EC2 has a problem. As a cheap and long lasting solution instead of using "authsmtp" is it possible to rent a server and use it as a Mail Server? I am currently looking for cheap hosting which will give me root access so that it can be configured and used as a relayhost. I am curently using Postfix as MTA. Has any one implemented this before? I am curious about its feasibility of this solution. I guess common requirements are: 1: Dedicated IP which is not black listed. 2: Open relay( open to my Server only) Any Tips for Header configurations to keep the mails out of spam folder. This is like exactly cloning authsmtp for personal use. Any suggestions for other Mail Server software instead of Postfix? Another problem is Reverse DNS for this server. Should PTR entry be present if a server is used as a relayhost?

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• User unable to delete folder / files "File in use by another user" Server 2003

  - by Az

  I am administering a standalone Windows 2003 Terminal Server with no domain membership. Occasionally (about once a week or so) a user will attempt to delete a sub-folder in a Shared folder and gets denied with "File in use by another user". I tried checking the shared folder snap-in and that folder is not open. She has full control and is the owner of the folder as well. I even checked in "Effective permissions" for some of the folders / files she cant delete and she truly has full control. I am able to delete the folder as Administrator with no problem. Another odd thing, she can delete the files IN the folder most of the time (this issue happens on both folders and files in the share). Sometimes merely waiting a day or two will allow her to delete the folder or files. I am curious as to why she gets the message that it is in use as creator/owner with full control yet I don't get it simply as a member of the Admin group. If anyone out there has any ideas I'd love to hear them! THANK YOU.

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• Powershell Get-Process cannot connect to remote computer

  - by amandion

  I've been struggling with this for a few hours and can't figure this out. I have two Windows 7 computers. One is my workstation that is using Powershell to do administrative maintenance. The other is the machine I'd like to use Powershell remoting on to execute remote Powershell cmdlets on. On both computers, I've enabled Powershell remoting and added all computers to TrustedHosts with the * value. On the remote computer, I've started the Remote registry service and ensured that the DCOM, Winmgmt and the Winrm services are running. Firewall is disabled on remote machine too. The cmdlet I try to run is: Get-Process -ComputerName $name Where $name is the name of the remote machine. I keep getting an error saying that it could not connect to the remote PC. I've also tried using the IP and I get the same error. These PCs are not in a domain. I am able to do the following successfully: Invoke-Command {get-Process} -ComputerName $name -Credential $creds Where $name is the machine name and $creds is the user name and password for the remote computer's local Admin account. This gives me the same output I would expect. While this is an acceptable workaround, I am curious, why doesn't using get-process with remoting work as it should? I've seen a few articles on the web suggesting people have had success with it on its own. Each time I am using Powershell on my workstation with elevated privileges. Any ideas?

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• How do I make a PPT file as small as possible?

  - by grunwald2.0

  Currently I am agonizing over several large presentation files, which I happened to reprint to PDFs... One thing I wondered: Do PPT's (from Microsoft Powerpoint) always to have to be that big? And what would be the strategies to make a PPT smaller? (If we say "ceterus paribus" at e.g. 25 slides and assuming that one isn't allowed to use a cloud-based service like GDocs, rocketslide or Prezio.) Of course there are the obvious "bad guys": Images and graphics. But: How about roll-over animations etc, who knows how much space they take? How about "smart arts"? Could one save file size if one would use "Open Office" or "Libre Office" Impress? (I didn't try it yet.) And "what if": What if we need to include e.g. five images (or charts that can't be remade in Excel in time), how would we best reduce the file size impact of those five images, if we needed to? I ask all this from an honest "business" perspective. I am no nerd or "Microsoft MVP" and I don't intend on delving into LATeX or similar yet. But that doesn't mean that I am not curious and very willing to learn. I am basically interested in (proven) best practices. Yes I know this question is lacking "initial research", but I think the perspective of my question is interesting and unique to a lot of people and if we intend to make SE a "Q&A" / Wiki kind-of reference site, this question might be a good way to "collect" advice on a question that has a very defined goal: Minimum file-size.

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• Linux on MacBook Air

  - by enduser

  I'm thinking of getting a MacBook Air. The answers to this post will help me make my decision. My questions and my understanding of current solutions are: How difficult is it to install a Linux-based OS (like Fedora or Ubuntu)? I've heard a little about rEFIt, but am not sure what to make of it. Is it completely necessary? Do I still need it if I don't plan to dual boot with Mac OS X? Also a dual-boot isn't necessary, I'd just like to run Fedora/Ubuntu by itself, but I'm curious to know if a dual boot is simple. Does everything 'just work'? In my current laptop I need to add a wireless driver (Broadcom card). I've heard Macs use Broadcom wireless cards. Will this be an issue? How about graphics/touchpad (& multitouch)/sound? I'm aware there are tutorials out there on how to install some older version of some os on your Mac, but my questions are a bit more general: Will it be easy to use (install and configure drivers for) recent Linux distributions with a new MacBook Air? Note: I don't mind extra configuration, but would like to know where it'll be necessary, because if it's too much of a hassle I'll look at other hardware.

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• Reset sound volume in Windows 8

  - by Svish

  There seems to be a bug in Windows 8 causing the maximum volume to become lower than it really should be. I'm now at a stage where I put the volume up to max and the sound is still very low. I have a couple of Logitech Z-10 speakers with a display on them and when I touch the increase volume button on that it shows me the volume (but not able to increase it) is actually below middle even though Windows claims it to be maxed out. Is there any way I can reset the volume in Windows 8 so that I can get it up fully max again? A registry setting or something? Really don't want to have to reinstall windows or drivers or anything like that cause if it is a bug it'll probably happen again and I really don't want to have to do that every time this happens :p Any ideas? Manged to fix it by unplugging the usb connection to my speakers, turning the volume down on my computer and up on the speakers, and finally reconnecting the usb connection. Seems to have been an issue with the speakers and not Windows this time. BUT, I'm still curious how you can adjust/reset the Windows 8 sound volume without using the volume controls. Like, where is the value of the current volume setting(s) really stored? And can you manually adjust them?

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• Over gigabit connection, Teracopy does 31MB/s, but Windows 8 does it at ~109MB per second?

  - by Gaurang

  I got my brain-melting first taste of Gigabit networking today, between my 2011 MacMini and Windows 8 Pro desktop connected via Cat.5e to Linksys WRT320N(sporting dd-WRT). After making sure that the line speed on both systems showed 1Gbps, I proceeded to copying a 2.4GB MP4 from the Mini to the Win 8 desktop (SMB sharing). Although satisfied with the 30-34 MB/s that Teracopy was showing (that was a proper step-up for me from 10 MB/s), I still was curious about this massive difference in the advertised and real-world speed. 2 hours of Google had me believing that there were other factors that resulted in less speed, SMB being one. So just for the sake of doing it, I iPerf'd both the systems and guess what that showed - around 875mbps on both systems! I then stumbled upon this little piece of info after which I turned off Teracopy and copied the same file through Windows 8's regular copier. 109 MB/s. Molten brains :) What exactly is causing this? And can I enable such speeds via Teracopy? I really dig the extra features that Teracopy has, will surely miss them now :D

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• Safe to remove Python2.6 files?

  - by darkfeline

  I'm using Linux Mint 11 (will upgrade soon), and I've noticed that, even though I don't have any python2.6 packages installed with apt, there's a bunch of residual python2.6 files scattered around my drive, including, but not limited to, dist-packages in /usr/lib/python2.6 and various /usr/share stuff. Is there any way to test if these files are still being used? I'm tempted to sudo rm -rf the lot of them, but I'm scared it'll break stuff. Also, does anyone have any idea where these files could have come from? I believe I had python2.6 installed once upon a time, but I made sure to --purge them, so there shouldn't be any trace of them left, right? EDIT: after using a quick script to check all of the files, it appears most of them belong to important packages, so I won't try weeding out the few which I know are probably useless. Although I am curious why so many packages have python2.6 files when I don't even have it installed. These files are not associated with any packages and I'm not sure if they are safe to remove: /usr/bin/ipython2.6 /usr/lib/python2.6/dist-packages/distribute-0.6.15.egg-info /usr/lib/python2.6/dist-packages/easy_install.py /usr/lib/python2.6/dist-packages/IPython /usr/lib/python2.6/dist-packages/ipython-0.10.1.egg-info /usr/lib/python2.6/dist-packages/setuptools /usr/lib/python2.6/dist-packages/setuptools.egg-info /usr/lib/python2.6/dist-packages/setuptools.pth /usr/lib/python2.6/dist-packages/site.py /usr/lib/python2.6/dist-packages/wx.pth /usr/local/lib/python2.6 /usr/local/lib/python2.6/dist-packages /usr/local/lib/python2.6/site-packages /usr/share/man/man1/ipython2.6.1.gz

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• Application Screen Repainting Issues

  - by Jeff Sheldon

  I have this issue lately at work. It drives be nuts, and I finally stopped to ask this question. It's quite often that an application I've been running just randomly fails to repaint itself for a while, usually in the editor screen. I most often see this occurring with Expression Web, Visual Studio 2008/2010 and SQL Server Management studio. These applications are what I work in the most, so I'm not surprised to mostly see it here. But I was curious if anyone else had a solution for this. I've tried: Reboots. The screen shot below is about 10 minutes after a reboot. New Video Drivers. This machine is running a Nvidia Quadro NVS 290 video card with the latest drivers. Closing other applications, this is the only thing running right now. As far as hardware, this machine has Dual Quad-Core Xeon 2.83ghz Processors, with 10 gigs of memory, running Windows XP SP3 64bit. Any help would be great. JNK EDIT: Per comments from deleted (wrong) answer: I'm running dual monitors. Set it to single display, still occurred. Rebooted, and tried it again, and it still occurred. Switched it back to dual screen. My resolution is only 1400x900 on each.

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• How can you exclude folders from appearing in the Recent Items feature of Windows 7 start menu?

  - by Jordan Weinstein

  to be clear, I like the 'recent items' feature. I do not want to turn it off. I work at a law firm where we integrate Office with a document management system (DMS). If recent items are turned on, those DMS opened documents will show up in the recent items of a Windows 7 start menu when hovering over Word (or Excel\PPT etc). However the integration doesn't work correctly so if a user were to click on one of those, something wouldn't work right. In short, we've always needed to turn off Recent Items completely for a DMS integrated workstation. Curious if anyone knows of a way to exclude a directory from being "captured" so to speak. When you open a DMS document, the file gets copied to local directory where it saves it as you work, until you close and it checks it back in to the DMS. I'd like to be able to exclude that local directory from recent items. so local files in My Docs and Desktop would show up in recent items, but not DMS opened documents. Hope this makes sense.

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• What is the fall off of subsecond throughput on Ethernet Network Interfaces

  - by Kyle Brandt

  On a network interface, speeds are given in term of data over time, in particular, they are bits per second. However, in the uber-fast world of computing -- a second is kind of a really long time. So for example, given a linear falloff. A 1 GBit per second interface would do 500MBit per half second, 250Mbit per quarter second etc. I imagine at certain units of time, this is no longer linear. Perhaps this is set by ethernet frequencies, system clock speeds, interrupt timers etc. I am sure this varies depending on the system -- but does anyone have more information or whitepapers on this? One of the main reasons I am curious is to understand output drops on interfaces. Even if the speed per second is much lower than the interface can handle -- perhaps there are spikes that cause drops for only small numbers of milliseconds. Perhaps various coalescing would hide this effect -- or perhaps increase it on the receiving interface? Do queues make a difference here? Example: So given if this is linear down to the MS we would have 1Mbit/MS, and if Wireshark isn't distorting what I see, should I see drops when I have a spike beyond 1Mbit?

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• Truecrypt files corrupted after moving PC into another case

  - by Dygerati

  I recently bought a new PC case and transferred all of my PC hardware into it. The only hardware modification was the addition of two identical ram modules. The entire process went smoothly, and everything worked and booted as before. The only side-effect I found when accessing one my of file-based hidden truecrypt volumes shortly there after. Some of the files in the volume - NOT all - seemed to be entirely corrupted. The directory and file names are garbled characters, but a few of the directories in the same volume appear and function normally. Also, all files in the non-hidden tc volume were still intact. Is this not weird? The only other real change I could think of would be that the hard drives were connected to different SATA ports on the mobo. I really don't know how the truecrypt encryption works well enough to know what could cause this...and the fact that not all the files were corrupted makes it more bizarre still. So, first off (and I'm not too hopeful on this point), would it be possible to restore these files? I had a backup of most, but not all of the files involved. Other than that I'm just curious how this happened and how I can prevent it next time. Thanks!

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• Why does pulling the power cord then pressing the power button fix a non-booting PC?

  - by sidewaysmilk

  I've been working at this institution for about 6 years. One thing thing that I've always found curious is that sometimes—especially after a power outage—we find a PC that won't boot when the power button is pressed. Usually, the fans will spin up, but it won't POST. Our solution is to pull the power cord, press the power button with the computer unplugged, then plug it in and turn it on. It seems more common with Gateway brand PCs than the Dells or HPs that we have around. Does anybody know what pressing the power button does when the computer is unplugged? I have some vague notion that closing the power button circuit allows some capacitors to discharge or something, but I'd like a firmer answer to offer my users when they ask me what I'm doing. My best guess as to why fans can spin but it can't POST is that the BIOS is in some non-functional state. I don't know how BIOS stores state, but my best guess is that there is some residual garbage in its registers or something, like the stack pointer isn't starting at 0 maybe?

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• Random HTTP 413 error on apach2/php/joomla site

  - by jfab

  I have a Joomla site, and every once in a while when I submit something via a form, I get a HTTP 413 error: Request Entity Too Large The requested resource /index.php does not allow request data with POST requests, or the amount of data provided in the request exceeds the capacity limit. In the error.log file I get: Invalid Content-Length, referer: [site]/index.php It doesn't seem this has anything to do with the actual size of the request, for the following reasons: a) I tinkered with the configuration of both Apache, and PHP. In Apache I tried increasing LimitRequestBody, and in PHP post_max_size, max_input_vars, memory_limit, and even upload_max_filesize. Every value is far beyond what is sent in a typical request that generates an error. b) The error pops up quite randomly, and often just hitting refresh allows me to get through. c) I checked the request in Fiddler to make sure everything is right with the content-length stated in the header, and the content of the request itself. Everything appears to be in order. A curious thing is that when I resent the exact same request via Fiddler, I never got the error. It seems I can only recreate it through a browser. So I'm at my wit's end here. I don't even know where to look for the problem anymore. I don't know if it's Apache or PHP (though I can't find anything in PHP error logs, so maybe that means Apache is the more likely culprit?), or PHP in general, or my Joomla site in particular (my bets were on Joomla until a recreated the error on a test script, with a very basic post form, though it does pop up much more often on the Joomla site). If anyone can give any advice on where to even begin with this, I'll be very grateful!

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• Directory service unavailiable, new hardware same settings

  - by Alex

  I'm working on a project with 2 sites connected by a VPN. Site 1 has the main server and there is a secondary server at site 2 which I am trying to replace. The current setup works perfectly however I can't for the life of me get the replacement server at site 2 up and running. I'm trying to replace like for like just upgraded hardware. I have installed the OS (all Server 2003 Standard SP2) and used exactly the same settings as the old server. I have setup Active Directory, DNS Server, DHCP Server and WINS Server configured. I have used all the same settings as the old server (except IP address and name). I can access the active directory but I can't do anything; add, edit, delete all returns "the directory service is unavaliable". No-one can login on any of the computers on site 2 and the internet is down. Plugging the old server back in and connecting it to the network rectifies the issue (so both new and old are connected at site 2), everyone can login and the internet is back (curious since the modem connects direct to the switch, and even with the new server online I can connect to the router via IP but not the net). I really don't have much experience but I've been roped into doing this because my company is too cheap to hire a real network admin. Any suggestions of where I can start to troubleshoot this, its driving me crazy and I only have a day before all the users are back on site.

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• Anyone recommend a program to print multiple HTML files at once for end users?

  - by Keith Bentrup

  I have some clients with multiple html files in folders that are occasionally updated & printed. They would like to be able to print them all at once without having to open each one. I typically do this with a quick command for myself, but I'm unaware of any freeware to do this. After a google search, I'm not finding one, so I'm hoping someone can help. I'd rather not use a script to do this for various security/ease of use/familiarity reasons, I'd rather be able to just point to a simple program they can download and use on their windows desktops. Anyone know of one or some other easy solution to do this? Maybe I'm overlooking the obvious. If anyone's curious, this is what I do for myself (not for my clients): for %h in (*.html) do type "%h" >> all.htm then open all.htm & print. If I need a page break on each doc, I just search and replace in all.htm </body> with <p style="page-break-after:always">&nbsp;</p></body>. It's quick & simple, but too unfamiliar for them. Thanks!

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• mod_rewrite and Apache questions

  - by John

  We have an interesting situation in relation to some help desk software that we are trying to setup. This is a web based software application that allows customers and staff to log into it and access tickets and supply updates, etc. The challenge we are having deals with the two different domains that we use and the mod_rewrite rules to make it all work with our SSL certificate that is only bound to one of the domains. I will list the use case scenarios below and the challenges that we are having. If you access http://support.domain1.com/support then it redirects fine to https://support.domain2.com/support If you access http://support.domain2.com/support then it redirects fine to https://support.domain2.com/support If you access https://support.domain1.com/support then it throws an error of "server cannot be found" If you access https://support.domain1.com/support/ after having visited https://support.domain2.com/support then you are presented with a "this connection is untrusted" error about the certificate only being valid for the domain2 domain instead of the domain1 domain name I have tried just about every mod_rewrite rule that I can think of to help make this work and I have not been able to locate the correct combination. I was curious if anyone had some ideas on how to make the redirects work correctly. In the end, we are needing all customers and staff to land at https://support.domain2.com/support regardless of the previous URL combinations that they enter, like listed above. Thanks in advance for your help with this.

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• Some Power Supply Cable Questions?

  - by jasondavis

  I am building a new PC and I haven't done this in a few years. It will have all the latest tech stuff. I got my PSU in the mail and I am looking over the cables (it has a lot) I thought it was a mudular PSU so I could only use the cables I need but instead it is a hybrid (some wires attached and some can be added/removed instead of all of then being removable). 1) So I am curious, I believe all my hard drives and optical drives are powered off of a sata power cable so does that mean I probably do not need any of the 4 pin molex cables? Or are these used for other things? 2) I know the 24-pin cable goes to my motherboard. 3) I have some 6-pin cables that are labeled pci-e which is new to me. I read these are for some grapghic cards and stuff. I have 2 grapghic cards but they do not require a seperate pci-e power wire be hooked to them. So are these pci-e wires just to power pci-express cards? Or for other things as well? 4) I have a 4pin ATX 12v wire, what is this for? 5) 8 pin EPS, what is this for?

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• How to minimize the risk of employees spreading critical information? [closed]

  - by Industrial

  What's common sense when it comes to minimising the risk of employees spreading critical information to rivalling companies? As of today, it's clear that not even the US government and military can be sure that their data stays safely within their doors. Thereby I understand that my question probably instead should be written as "What is common sense to make it harder for employees to spread business critical information?" If anyone would want to spread information, they will find a way. That's the way life work and always has. If we make the scenario a bit more realistic by narrowing our workforce by assuming we only have regular John Does onboard and not Linux-loving sysadmins , what should be good precautions to at least make it harder for the employees to send business-critical information to the competition? As far as I can tell, there's a few obvious solutions that clearly has both pros and cons: Block services such as Dropbox and similar, preventing anyone to send gigabytes of data through the wire. Ensure that only files below a set size can be sent as email (?) Setup VLANs between departments to make it harder for kleptomaniacs and curious people to snoop around. Plug all removable media units - CD/DVD, Floppy drives and USB Make sure that no configurations to hardware can be made (?) Monitor network traffic for non-linear events (how?) What is realistic to do in a real world? How does big companies handle this? Sure, we can take the former employer to court and sue, but by then the damage has already been caused... Thanks a lot

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