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• Rebuilding a file if files have changed

  - by Todd Strauch

  I'm having a hard time wrapping my head around this. It seems trivial, but I'm not getting it. I have two files. If either of those two files changes, I want to rebuild one of them. Essentially: if file a changes or file b changes then file {"a": content => template('a.erb', 'b.erb'), } I know I can audit a file for change, I just don't know how to include that within a conditional. Can anyone point me in the right direction?

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• FreeBSD Jail own network stack with vimage

  - by bodokaiser

  I want to throw all services from the host system and put them in jails. Unfortunatly this doesn't work for file sharing (e.g. nfsd) because the jails don't have there own network stack by default. I know read something about vimage which would solve this issue. See more in this thread: http://forums.freebsd.org/showthread.php?t=9006 The use of vimage with raw jails should use moreorless but the use with vimage and ezjail makes it hard. Does anyone have experience about this topic and wants to share it? Regards

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• Gigabit connection between 2 computers

  - by Alecu

  I am trying to set up a connection between 2 pc's. It's a direct cable connection. The problem that I am having is that the connection isn't gigabit. I know both network cards support gigabit. I checked in the device settings and in one pc I can see in the Speed & Duplex the 1Gbps option but on the other pc I can't see that option despite the fact that the network card is gigabit. I have quite some files to copy from one pc onto another and I really need a good connection between them. I can't really remove the hard drive because it would void the warranty. Could this be a driver issue or a cable issue? On both pc's I have windows 8. The network card on the pc that doesn't have the 1 gbps option is an Atheros ar8161 card.

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• How can I install a scanner by IP?

  - by user54266

  I'm trying to install a scanner by IP the same way you would install a printer by IP. I don't want to install the horrible HP Solution Center software but I don't know how to install a network scanner without the software. I'm having a hard time googling this because when I search for things like "install network scanner" or "install scanner by IP" all the results are for things like Angry IP Scanner which is clearly different than what I'm trying to get. Thanks in advance. This is for Windows Vista, but Windows 7 instructions will do.

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• Debian SMB share having permission issues in windows 7

  - by xxpor

  Hi Everyone, I setup a Debian squeeze server with samba. I then shared my /media directory with the following configuration: [media] comment=Hard Drives read only = no locking = no path = /media guest ok = yes browsable = yes directory mask = 0777 When the drives are mapped in Windows 7, the user can write to all of the subdirectories of media (sdb1, sdc1, etc), but cannot write to any folders that they create themselves in the subdirectories of media. For example, if the user mapped /media/sdb1 to Z:, and then creates a folder Z:\test, the folder is created successfully, but no files can be written to Z:\test. If the user ssh's into the server, they have no problems writing to these directories. I have included the screenshots, in order, of what happens on Windows. This samba share is mounted with ntfs-3g, if it makes a difference. Screenshots are here

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• Why do I have to enter my password every time I activate / deactivate AirPort (WiFi) on my MacBook P

  - by Another Registered User

  I use Snow Leopard, and I'm used to activate / deactivate WiFi like 20 times per day. The reason is that WiFi stops working properly after a few minutes of use. So every time I try to surf, I must stop/reactivate it first. But now, suddenly I have to enter my user password every time I want to do it. It's so annoying! The dialogue details say: Right: com.apple.airport.power Program: SystemUIServer What can I do that the Mac won't ask me for the password every time? It's hard enough that I have to stop/reactivate WiFi all the time (hardware bug). I have a admin account with full rights.

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• Weird noise coming out on Windows 7 when harddisk activity at peak?

  - by Curious Apprentice

  I'm having a very strange problem. I'm hearing a "choooooooooo kkkrrr" sound (Its not like the normal sound speakers make when powered on) all the time. When there is more Hard Disk r/w activity the sound increases and as HDD r/w activity slows down so the sound. I have two other OS installed on my system. I have tested, it only happens when I'm on Windows 7. I have no clue what the hell is happening !? Any help would be greatly appreciated. Here's the sample of noise: http://www.ziddu.com/download/20852917/noise.mp3.html

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• Install Windows 8 (clean) on Hybrid Drive

  - by Ananthakrishnan Ravi

  I have a Sony Vaio T series (UEFI) that consists of a Hybrid Drive (SSD + HDD). I would like to install Windows 8 on the SSD and keep the Program files and other applications on the hard disk. What I could perceive was to keep the SSD as the System Drive. I'm able to install the OS on the SSD, but I run into some issues where I don't see the Microsoft Store App on my system and there are no apps on Windows 8. I tried using this blog post but doesn't seem to fit for Windows 8. Any help in this regard would be great. I would like the Windows 8 alone on the SSD, I don't care about the space wasted on the SSD and install other programs on my HDD. Thanks

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• hosting website on a private network

  - by razor

  i'm currently running a website off 3 linux servers. I'd like to setup a private network and only allow port 80 traffic to one of the servers. I'd also like to setup a vpn so only I can access the servers via ssh or any port for developing/debugging. How hard is this to setup and what do I need to get? Do enterprise/commercial routers have vpn functionality built in? how do I handle DNS? eg- www.mydomain.com would need to point to the router, which forwards traffic to the webserver. Do I set the A record to the router, and somehow tell the router which server to send the http request to? And how would I make server1.mydomain.com resolve to server1 within the private network (without editing host files)? Would I need to run my own DNS (eg- powerdns?) to do this?

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• Boot custom linux up by pressing Lenovo OKR button?

  - by Semmu

  I have a Lenovo Y510p laptop and I'm a Linux user, use Windows only for gaming. The device had no OS when I bought it and I also installed an SSD besides the 1TB hard drive. I would like to "hack" the One-Key-Recovery button, because I have no interest in its default behaviour (I don't need Windows recovery), but if I could boot up a hidden, fail-safe Linux with it, that would be great. How could I achieve it? I tried to search what the button does, but I only found some installers for Windows that could magically create a partition for the recovery. I would like to override this behaviour completely to boot up something else.

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• USB-based AV application that restores compromised Windows files from CD/DVD?

  - by overtherainbow

  Hello I just tried a couple of rescue disks (AVG and Kaspersky), and I was wondering if someone knew of a solution that would work like this: The AV solution boots from a USB key, and works entirely from RAM (where the latest virus DB is downloaded) The user inserts his Windows CD/DVD in the drive If any Windows file is compromised, the AV application fetches a clean version from the CD/DVD and restores it on the hard drive optionally, any compromised drive/user-land application is quarantied, and it is up to the user to reinstall those after he successfully rebooted into a restored Windows setup Have you heard of a solution like this? It seems silly to reinstall a whole Windows computer just because one or a few system files were compromised. Thank you.

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• Can I create an Infrastructure access point from built-in WiFi (as opposed to Ad-Hoc) on Windows XP?

  - by evilspoons

  I want to use my Windows XP laptop as an access point. What I am trying to achieve is possible under Windows 7 with a myriad of utilities, but the wireless driver stack was different before Windows 7 and those specific APIs don't exist on XP. The reason behind me wanting to do this is that I would like my Android phone to be able to connect via WiFi to a network that is only hard-wired (reverse tethering). Unfortunately, my Android device (Galaxy S Captivate) does not support ad-hoc networks without a serious amount of screwing around. Is it possible to create an "Infrastructure" network with my Dell Latitude D830's built-in WiFi - a "Dell Wireless 1395 WLAN Card", which I am assuming is probably rebadged Broadcom, or is there some fundamental difference between a wireless adapter and an access point that would prevent this?

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• How to block a website completely?

  - by user37076

  I want to block some sites(e.g. youtube,news sites ), because I have a problem with procrastination and I find these websites affect my productivity very much. I used to block them by adding them to HOSTS file. However, gradually every time I want to take a break, I open the hosts file and comment my block again. Is there any way I can block the websites and cannot (at least a little bit hard, e.g. I have to reboot my pc) unblock them. I have no access to the router or any firewall, besides the ones on my computer. I just want to FORCE myself to work without any chance to procrastinate.

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• I lost my CSS Codes of my important Website, Why?

  - by Hooshkar

  Very weird, i had opened notepad ++ and working on my CSS codes for my website, suddenly my little niece unplugged the computer, when i re-start the computer and opened again the same CSS codes file in notepad ++, so all i am seeing is "NULL NULL NULL NULL NULL NULL NULL" there is no codes, all lost. I opened the same CSS codes file in other editors and its all empty no codes.. is there a way to fix it, because it was my hard work. and what can be the cause? Thank you.

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• “BAD” partition showing up in Partition Manager

  - by Quintin Par

  I tried to partition my primary hard disk (NTFS partitions) with qtparted and got stuck in the process. Consequently I had to kill the process and exit my knoppix live CD boot up. Even though I was expecting XP to get corrupted, it booted fine and showed up all the drives accessible. But when I opened this with partition manager 8, it shows up as “BAD”. I ran chkdsk /f without any success. My objective with qparted and partition magic was to resize my existing partitions and add some space to c: How do I fix this problem and resize my partitions? Edit: Here's how my primary drive as per Windows is:

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• Windows 7 boot error 0xc0000225 after falling down

  - by Hulehule20

  My Toshiba netbook fell down and hasn't booted again. When I start Windows 7 it immediately says: Windows failed to start... Status: 0xc0000225 Info: The boot selection failed because a required device is inaccessible. After that, there are a few things to consider: There's a Linux distro Linkat which is also installed in the computer. It starts normally without any problem and it doesn't seem to display any errors when it boots. I restored all computer OSs with clonezilla and some images provided by the manufacturer, and it's done nothing. I have already checked the basic components of the PC (RAM, Hard Disk, WLAN Card) are pluged in and working. My impression is that's all about some broken part inside, though the Linux OS starts normally. Does anyone know a way I can fix this or at least any software for identifying the problem at all?

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• Easy and fast software for mixing music [closed]

  - by Pennf0lio

  Please suggest some good software that lets you mix music seamlessly. I have tested some software and most of them are hard to use. I have tried fruity loops, FruityLoops I think is great for people who have some experience with mixing music. What I'm looking for is software for people who don't have experience with mixing. The pieces of music I am planning to join are different from each other, they have different Tempo and Beat. The music will be used in my friend's dance and she wants the music to contentiously play without pausing or jumping to another song. She wants the songs to flow smoothly. Any Advice? Thanks!

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• My Computer will not turn on?

  - by user269120

  I recently built a gaming pc. It was working fine before the following events: I installed a graphics card driver update then: in windows it said that the user experience index needed to be refreshed, so i started the test and somewhere in the middle of the test my pc just switched off. No shutting down just stopped. Now it won't turn back on. I have checked its plugged in and the switch on psu is down, i tried a different power cable and i checked all the connections. When i press the power button nothing happens, no fans no lights no post beep. Computer Parts: Motherboard: Gigabyte GA78LMT-USB3 CPU: AMD FX-6350 @ 3.9 Ghz RAM: 2x4gb Crucial Ballistix Sport Power Supply: Tesla 750w psu Graphics card: XFX Radeon 7870 DD Case: CiT Vantage R Gaming Case Hard Drive: 2TB Western Digital Caviar Green Please help me, this computer is only a week old since i built it. All anwsers are appreciated :)

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• Does uwsgi workers share a common memory ? [ With Nginx ]

  - by Yugal Jindle

  I have configured my Nginx with Django uwsgi. When the django server starts, it reads a 5MB file from the hard-disk. Now, Without Nginx with Django default server python manage.py runserver = Runs immediately and starts serving pages. Problem: With Nginx as the server It takes very long time and several HTTP 504 before it start serving pages. So, How does uwsgi workers work with Nginx ? I have: 4 Workers 512 Threads each So, is the 5MB file getting read 512 * 4 times ? Is there a possible work around for this in Nginx / Uwsgi ?

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• Chrome: Selecting a link by doing search on its text

  - by cool-RR

  I'm trying to use my computer using the keyboard exclusively, without touching the mouse. When browsing the web it can get hard. I use Tab to select links, but there are often dozens of links on a webpage. I can use Chrome's text search (Ctrl-F) to home in on a piece of text in no time; But I can't figure out how to use it to click on a link. For example, let's say there's a link on a webpage with the text "Swedish Furniture". I can easily find it by typing Ctrl-F s w e d, and then Chrome marks the link as found, but is there any way to follow the link after it's found without tabbing through all the links on the page?

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• External disk not working with Mac OS X 10.5

  - by ctx2002

  Hi: My OS is 10.5.7. I have an external hard disk, formatted as Mac OS Extended (Journaled), connected to my Mac machine through USB cable. I have used it for a while, but now it is not working. Error showed in /var/log/system.log. USBF: 2521.384 AppleUSBEHCI[0xa515800]::Found a transaction which hasn't moved in 5 seconds on bus 0xfd, timing out! (Addr: 0, EP: 0) ..... ...... kernel[0]: USBF: 2588.616 [0xa6baa00] The IOUSBFamily was not able to enumerate a device. Luckily, in my work place there is a Mac with OS 10.4, so I had plugged the disk into the 10.4 machine and it worked!!! I did checked "System Profiler" on both machines (10.5, 10.4). Under usb section, for 10.5 it shows USBEHCI, under 10.4, it shows USBOHCI. I am not a expert on USB Device , can any one tell me why 10.5 cause the problem. it was worked under 10.5

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• In terms of load handling, which is better: one server or two of equivalent power?

  - by seldary

  My goal is to figure out if i'm better off with one strong server, or multiple weaker servers with a load balancer. Does the fact of splitting the load between servers have an effect on the total load my website could take? It's hard to single that out, because there are of course a lot of parameters that affect the results, so some assumptions: Putting failover considerations aside - I know it matters, but for the sake of the question's simplicity, lets assume nothing fails. The servers in the multiple servers option have an accumulated "power" equivalent to the one server option (about the same amount of cores and RAM space). If that is too theoretical, here is a concrete question that could help: Suppose I have several instances of exactly the same server - lets call it S. Suppose that server S can serve a load of up to X calls per time unit. Will two S servers with a load balancer serve 2X calls per time unit? significantly more? significantly less?

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• Boot from Recovery partition in Sony Vaio Laptop with no imagex

  - by user302787

  I have visited more and more pages in internet and read lots of solutions but no one solved my problem. I have my 10 GB win7 recovery partition in my Hard Disk but when I press the F10 button it was not booted from this partition (I use this method to recover my laptop several times recently). So How can I boot from my recovery partition? I copied the partition into a flash drive and tried to boot from usb but it does not take effect. I think if there is a way to recover the F10 button functionality, I can recover my laptop.

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• How often do netbook parts break?

  - by kurresmack

  I need to know a list of how many percentage of all components break within a year. For example I would need to know how many percent of all netbook RAM is calculated to break within a year? This is a lot to ask, I know. But I really do need to know some facts on what to except to break when you have a lot of netbooks. Would be glad if someone had hard facts that could be backed up with resources. Only netbooks are considered.

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• New Kingson SSD drive fails after 1 week

  - by user35356

  I upgraded the hard disk in my notebook to a 128GB Kingston SSD V100. Everything worked fine for about a week then out of the blue the notebook would not boot up any more. A black dos-like screen was shown with the options to try and boot normally or attempt to repair windows. Neither option would do anything. When I removed the drive and tested it in an external usb case no other computers are able to access the drive either. Is there anything I can try to fix it myself? The drive is partitioned into three drives and when it's connected through an external usb case to another computer I can see the partitions, just can't access anything on them. Does this mean the drive might be recoverable?

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