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• Is the following combination of components valid to function as a desktop computer? [closed]

  - by Gideon Potgieter

  Could someone with more PC building experience than me tell me whether these PC components can cooperate fully as a self-made PC? Processor: Intel Core i5-3570K Video card: Asus Radeon HD 7870 Motherboard: Gigabyte GA-Z77-D3H RAM: Corsair CMZ16GX3M2A1600C10 Vengeance 16GB 1600MHz CL10 DDR3 (x2) Storage: Western Digital WD1002FAEX (x2) Display: Samsung S24B300HL Sound: Logitech X140 Chassis: Thermaltake V4 Black Edition VM30001W2Z Power supply: Seagate OEM 500W Builder PSU Optical drive: Asus DRW-24B1ST Thanks in advance! (btw, I know 32 GB RAM is unnecessary, but I want to buy it to use as a reserve)

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• is there a man in the middle attacking to my server machine?

  - by GongT

  My server works well about half a year. But a strange thing happened (several hours before). This server has two IP-address 58.17.85.19 & 117.21.178.19 When I navigate to http://58.17.85.19, nothing different as before. But http://117.21.178.19 will return a "302 Object moved" and become a "redirect loop" I do some test: ($cmd = "wget http://117.21.178.19/?xx=$RANDOM --max-redirect 0 -S --no-cache -O -") Step by step: run $cmd on my PC and my firend's one (we live in two side of China, far away). - got 302 run $cmd on this server - got 200 OK (content is correct result of index.php) run $cmd on another server in same computer room - got 200 OK telnet from my PC and build an HTTP request (type by hand) - got 200 OK shutdown php-fpm, run $cmd on my PC - got 302 run $cmd on server - 502 Bad Gateway shutdown nginx, run $cmd on both the server and my PC - Connection refused. create iptables rule, refuse any connection to 58.17.85.19:80. run nc -l 80 -k -vvv on server and run $cmd on my PC NC show me that.... Server accept connection (Connection from [my ip]) My connection closed ! (Remove fd xx from list) wget dump out response - got 302 I know that, normaly, NC will accept connection, then dump HTTP request from client, and client will wait for response. this connection will open forever(infact client will close connection becouse timeout), becouse NC can't give any response. So... where my request gone? who send an response to the client? some virus on my server system? If so, why 58.17.85.19 didn't has this error? or... I was attacked by a middleman?

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• Check a specific value in application?

  - by Iyad

  Hi; I have a network with almost 2000 pc, on each of them i have an application installed for monitoring and mgmt, i need to check a specific value in each agent on the 2000 pc, which cant be checked unless you enter each pc and check the properties of the application ! is there any way to automate a process, script to do this.

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• D Link DSL G624T Router will work wirelessly but not via cable

  - by Andy Fensome

  I have a D Link router which works in providing a wireless internet connection for my main PC and secondary notebook. I have been advised that the internet connection to the main pc will be better if I wire the router directly to the PC. I have tried this and can not get a connection. I just keep getting the message network cable unplugged. I have had the ethernet adaptor checked out on the pc and the cable is good ( also checked out). Anything I can do or do I have a bad router. I have tried the cable in all 4 ports and the message is still the same.

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• Computer runs but monitor is on power saving mode?

  - by IMB

  This stuff rarely happens, but when it does I simply restart my PC then it works fine. But today after several restart attempts it seems to be stuck. I tried removing the video card then switched to onboard video, same thing: The PC runs, (there's power and fans are working) but the monitor is stuck on power saving mode (blank screen). Is this a monitor or PC problem? Any ideas what might be the problem? I'm Windows 7 btw.

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• What directories I must backup for reinstalling Windows 7?

  - by gsc-frank

  I'm reinstalling a Windows 7 PC and want backup all the system, application and users data to latter decide what data can be useful. What directories I must backup? I will format the PC and all importante data must be saved. I have doubts particularly about C:\Users\USER_NAME\AppData and how save it using a Ubuntu live CD in case I don't have access to the Windows 7 PC. AppData have a lot of syslink inside!

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• Can't access to access to my web server inside a network with Firewall on

  - by ianenri

  I set up a Web server with the following: There is the Internet Router, configured to Port Foward port 80 to my computer assigned to my PC's IP: 192.168.1.128 My PC is connected to that wireless router from wlan0 Then, my PC is also connected to my device (which is the webserver) with a crossover-cable usign eth0 having this anohter IP: 10.42.43.1 Finally, my device (the webserver) is connected with eth0 with this IP: 10.42.43.55 As you can see, I need to install a reverse-proxy to be able to resolve to my device's webserver. I installed pound (proxy server) in my PC and configured properly to make 192.168.1.128 resolve to 10.42.43.55 So, I just typing my ISP provided IP 200.x.x.x resolves to my device webserver. But there's a problem: I HAD TO STOP MY FIREWALL. I don't know how I need exactly configure the firewall in SUSE YAST2, or at least iptables. Stopping it is not an option, not for security reasons, just because there's port fowarding rule that is needed to give Internet access to my device too. I'm using openSUSE 12.1

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• User Group Policy in Server 2008 to set Default Profile settings

  - by Chris

  I have computers to deploy and want to apply changes to the default user policy on these PCs automatically. What's the best way to do this? Our current procedure is: Create the computer account in an OU called "Deployment" on our server Unbox the PC Login as the user who will be receiving the PC Change settings (pre-configure outlook, authorize Office, etc.) move computer account to correct OU Place the PC on the users desk. I would like to make as many of the changes in step #4 with Group Policies applied to the Deployment OU if possible since they're largely repeated for every computer. There are a dozen policies created and the computer ones apply correctly but the user policies do not. I understand this is because the end user is not in our "Deployment" OU. I don't want to apply these settings to the user at their current station just the new PC I'm working on. I believe I have the desired effect with Group Policy Loopback Replace enabled on policies that need user policies changed but this just feels wrong/inefficient/complicated to maintain. Am I doing this correctly? Is Group Policy Loopback the only way to change user accounts on one computer? What do you do to setup a user on a new PC?

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• Windows xp blinking under score after bios

  - by heyjoe

  so this is for an older pc I have to repair for a friend. The pc has an hdd of about 60 something gb, It uses win xp and let's say 60-70% of the boots it hangs on showing only an underscore bilking line after bios screen, rest of the times it boots fine or the computer shuts down on xp loading screen. Sometimes if you let it alone while the underscore is blinking, it will boot after a while, like a few minutes, some times it won't boot at all even if you give him more time, like one hour. When it boots successfully the pc seems to work fine. I think it's a bad hard disk and i'm about to suggest buying a new one and switching it but I don't have enough experience and i would hate making him buy a new hdd and not solving the problem. anyone has any tips? I know there are other topics about blinking underscores or cursors while xp is booting but the issues about the pc shutting itself down or sometimes booting really freaks me out. Can't format everything and re install until about 10 days from now, cause the dude has some program for his business on this pc and I have to migrate it when the next computer arrives, however he needs to use it until then. so please advise, thx.

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• Video adapter problem on new motherboard

  - by Dmitriy Matveev

  Something bad happened to my PC several days ago. I wasn't near my PC, so I have no idea about what happened it was just halted. When I tried to boot it was entering infinite loops of a few seconds power up (cpu, hdds, etc) and then power down. I've tried to boot the system with no additional components (that includes hdd, video, network adapters and even memory) connected and that didn't solved the problem, so I've made a decision that most likely it's either some a problem with power unit or with motherboard. I've tried to replace my power unit by another one (which was expected to be working) and the problem didn't resolved again. I've bought a new MB (ASUS P5KPL-AM SE) and tried to get it running with my old CPU and memory (I hope it's still alive). Since this MB include on-board video I've tried to run the PC without installation of mine video. The PC wasn't running and the BIOS was beeping one long signal following by two short (Does it means a video problem?). After that I've installed my video adapter to PCI-E slot and tried to boot the system again and the BIOS was beeping the same. I don't get it. I may expect some problem with CPU and/or memory since I don't know what happened to my PC (maybe some power failure or something different), but not with video and not with on-board video on newly bought MB. How can I understand what's wrong with my system now?

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• Cannot Ping PS3 Using a Wired Connection

  - by Post

  PS3 is using the inbuilt wireless network adapter (I cannot change this) When I try to ping the PS3 from ANY computer which is on a wired ethernet connection, I get Request Timed Out errors. Whenever I ping from a computer with a wireless connection, it works just fine. To be clear: Pinging from Wireless PC to Wireless PS3 works Pinging from Wired PC to Wireless PS3 fails I have tried this on several PC's and Laptops all with the same results. As an attempted solution I have set up static IP's on all related devices. More information: Default Gateway = 192.168.2.1 PS3(wireless) = 192.168.2.100 PC(wired) = 192.168.2.99 Subnet Mask(for both devices, I have made sure) = 255.255.255.0 Thanks

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• How to setup Microsoft Remote Desktop?

  - by jsoldi

  I'm trying to establish a connection between this app and my Win 8.1 Pro PC, but every guide I've found so far skip steps such as what to put under PC name or under Gateway. Also, should the User name be my email or something else? I've also no idea how to find or add a user in the step 6 of this guide because the only location listed is my PC and I don't even know what am I supposed to search for. I'm not even sure whether I have to add a user or this is an step I can skip. A comprehensive guide for people without experience in networking would be highly appreciated. Both my android tablet and PC are connected to the internet through a home router, in case this matters.

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• UBUNTU 12.10 loaded. after that boot sector changed from win to grub

  - by Rupam Roy

  After installing Ubuntu 12.10, to my pc and giving a patjh in the external HD, its root dir only went into that and all files on the hd of my PC.Now i required the Ex HD everytime to go to either Win or Linux. I deleted the partition made by linux from disk management of Win, and now want to change the boot sector of my HD of PC back to win. Pc is not starting up and showing Grub failure. I have the original win 7 os. I tried with that going to the command line, but what is the command that takes me to DVD. I ve tried 'cd dvd' and 'cd/ dvd'. Plese help.

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• Wireless touch screen monitor

  - by delux247

  Does anyone make a wireless touch screen monitor that would be could be used kind of like a tablet pc? Basically I want something that could sit on my lap and allow me to view and control a nearby pc. UPDATE: Anyone know of a touch screen tablet pc without a keyboard, so it's just a screen?

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• What are possible security issues with an SSH daemon?

  - by Zhenya

  I'd like to be able to SSH to my Ubuntu 10.04 office PC from the outside. I am thus thinking to start up an SSH daemon on the PC. What are the security issues, possible glitches, specific configuration settings, etc. I should be aware of? In case it matters: this is essentially for my own use only, I don't think there will be other people using it; it's an Ubuntu 10.04 PC in a mostly Windows 7/Vista/XP environment.

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• developing code in multiple locations

  - by jason m

  I have two machines (one is a mac one is a pc), and I develop on both machines but only run "production" on the pc. Now, I sometimes face an issue where both machine PC and machine MAC have different versions of the same code, and I would like them to share a common source. I know this solution must exist but I have no ideat what it is called/how to start. Could someone please point me in the right direction?

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• What are the reasons why outlook looses configurations?

  - by jnroche

  Can't seem to establish any logic why outlook suddenly looses its profile coniguration settings intermittently. I work for an IT Contact Centre but it hurts when someone asks me why they loose their outlook profiles suddenly, and some most of the time. I know there are lots of reasons but I'm not sure which ones are the best. Could it be that the PC in a hurge corporate organization will not be connected to the network properly so the profile gets corrupted for outlook? But they don't usually shut down the PC after office hours due to the fact that its a 24 hours operations. On top of that, when users are migrated to Windows 7 / Office 2010 and then logs on to this pc, then opens outlook, then logs off then goes back to a Windows XP PC and opens outlook 2003 the profile is again lost. Again why is this? Is there anyone out there whose facing same connection/outlook profile issues getting lost for no apparent reason?

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• What is "Open" anyway?

  - by EmbeddedInsider

  This terms is often used with many meanings.  For example, some people consider Flash 'open' and 'multi-platform' .  But Flash is a product of Adobe systems, locked down, copy protected and distribution restricted.  And versions for other than standard PC, home use, may carry licence fees. Check it out: 3.1 Adobe Runtime Restrictions. You will not use any Adobe Runtime on any non-PC device or with any embedded or device version of any operating system. For the avoidance of doubt, and by example only, you may not use an Adobe Runtime on any (a) mobile device, set top box (STB), handheld, phone, web pad, tablet and Tablet PC (other than with Windows XP Tablet PC Edition and its successors), game console, TV, DVD player, media center (other than with Windows XP Media Center Edition and its successors), electronic billboard or other digital signage, Internet appliance or other Internet-connected device, PDA, medical device, ATM, telematic device, gaming machine, home automation system, kiosk, remote control device, or any other consumer electronics device, (b) operator-based mobile, cable, satellite, or television system or (c) other closed system device. For information on licensing Adobe Runtimes for use on such systems please visit http://www.adobe.com/go/licensing. You will notice, for its embedded operating systems, Microsoft buys and includes a fully paid license for Adobe.   Do you get this with Linux?  Unix?  QNX? So, what is 'open'? Lawrence Ricci www.EmbeddedInsider.com

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• What to use for simple cross-platform games instead of Flash?

  - by jmh_gr

  In short, for simple games: Is Flash still a good option for browser-based PC clients? It still has 90%+ penetration. What is a good alternative for mobile devices? It HTML5 + JavaScript the choice for mobile? Or does one have to learn a new native language for each target platform? (Android, Apple, Windows Phone)... If you desire further background: There are more blogs about the official demise of mobile Flash than I can count, along with endless useless and vitriolic comments. I'm actually trying to do something practical: build simple games that can be served accross multiple platforms. Several months ago I plopped down $1100 for CS5.5 Web and am wading into Flash. Bummer. My question to people who actually develop simple games and apps: What platform should I use instead? Is Flash still a sensible platform for web-served PC users? For example, let's say I build a simple arcade game that I would like to serve as an app to mobile users and as a browser-based game to PC users. Should I still invest the time and effort to learn and develop in Flash for the PC users, while building a parallel code set in some other language for mobile users? My games are simple enough that it would be annoying but not inconceivable to maintain parallel code sets.

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• File saving disabled 'Saving has been disabled by system admin'

  - by Gubuntu

  I have coded my own html website recently, and today wished to add a Google calender object to it. I have not put this website on the web because it is for my own personal use and I can't buy a domain. So I just have a folder on my pc that I load the index.html from now and then. As I was saying, today I got an error while trying to save the Google calender object in. I am system admin on my PC, in fact no one else uses but me, except when I have friends round, but for once my PC seems to think I'm some standard account user, because I couldn't save. I thought of clicking close and seeing if it came up with save as, but it didn't, it said 'Are you sure you want to close without saving?' or something along the lines of that, and 'Saving has been disabled by your system admin.' I couldn't do anything. I tried looking at the settings of the file, and it had me as read only in one of the selections, so I changed that to read & write, but to no avail. I did not save as root when I last edited the file, so I don't get what's going on. Help! P.S. This is on Ask Ubuntu not Superuser because it is on my Ubuntu PC and it appears to be a problem with Ubuntu not root or hardware.

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• Graphic Card Installation Failure (NV 9600M GT)

  - by Georg

  I wanted to switch from 7 to Ubuntu. Now, the first thing that holds me back is the installation of the driver for my Nvidia 9600M GT. Ubuntu recommends me 4 drivers from the "Additional Driver" Section. Now, whatever driver I install, there are four things happening RANDOMLY after rebooting: The pc freezes before seeing bootup splash The pc freezes while seeing bootup splash image (ubuntu logo with the 5 dots) The pc gets into login screen and freezes instantly (Thought the unity-bar is transparent now) The pc freezes right after beeing able to login. (While this is happening the unity-bar changes from transparent to ugly-flat-style) I also tried to install the official Nvidia .run file but after exiting the X-Server, it says the driver is not compatible with the kernel and exits installation. Can somebody help me? I really wanna get rid of Windows :( But Ubuntu drives me perfectly insane. Please answer as noobish as possible. I'm an expert Windows user, but Linux is absolutely new to me. My Specs: Ubuntu 11.10 installed from USB Stick (like 100 times now :/ because I dont know how to remove the driver in recovery mode) 9600M GT 4GB Ram Intel Centrino 2 Dual Core 2.26GHz Win 7 and Ubuntu running along side. Thank you in advance, regards.

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• Not booting from USB or CD (SYSLINUX Message)

  - by Raymond

  I am trying to install linux on my laptop, a Toshiba Satellite C6550-S5200. I did it once but something happened so I removed it then I had to destroy all data on hard drive so now I have nothing on it. Well I got a iso file burned to a CD and to a flash drive. With the flash drive I get. SYSLINUX 4.06 EDD 4.06-pre7 Copyright (C) 1994-2012 H. Peter Anvin et al With the CD it will start booting it but somewhere loading it up, the dots turn all orange and stay that way and my CD drive turns quiet. Oh and some more info the images work because I tried loading them up on another pc and it worked just fine. I manage to get the CD to boot I just had to let me pc boot up first then insert the CD and have it boot the CD then. Once I get done installing ubuntu it works fine but I have to leave the PC on 24/7 for if I turn it off the PC will freeze 5-10 seconds after booting back up no matter how I install it.

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• Cat 6 Only 100mbit speed

  - by Stu2000

  I tried two different cat6 cables directly connected between my two ubuntu machines. This one I ordered online: http://www.amazon.co.uk/gp/product/B002SQPDXS/ref=wms_ohs_product only achieves 100mbit speeds, but does appear to be supporting cross-talk (direct pc to pc), the other cat 6 cable, worked perfectly and gets the full 1gigabit speed. Both tests were performed using ftp and checking the network monitor with direct pc to pc connection. Did the product from amazon lie to me or do I need to manually set a setting somewhere in ubuntu for some cables? I had thought 10 quid for 20m of gigabit ethernet cable was a bit cheap, you get what you pay for... Regards, Stu Update: It seems that after rebooting, the device is set to 1000mbit sec when looking it up with sudo ethtool eth0 However after a while, this will drop down to just 100, after which to reset it to 1000 again, I have to reboot, and simply unpugging and re-plugging in the cable doesn't do it. I tried setting this in networking config file as suggested here: auto eth0 iface eth0 inet static pre-up /usr/sbin/ethtool -s eth0 speed 1000 duplex full but that resulted in my networking failing to start. Is there a problem with my 'auto-negotiation' or something? Can I manually override a setting to 1000mbit?

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• How to Deliberately Practice Software Engineering?

  - by JasCav

  I just finished reading this recent article. It's a very interesting read, and it makes some great points. The point that specifically jumped out at me was this: The difference was in how they spent this [equal] time. The elite players were spending almost three times more hours than the average players on deliberate practice — the uncomfortable, methodical work of stretching your ability. This article (if you care not to read it) is discussing violin players. Of course, being a software engineer, my mind turned towards software ability. Granted, there are some very naturally talented individuals out there, but time and time again, it is those folks who stretch their abilities through deliberate practice that really become exceptional at their craft. My question is - how would one go about practicing the "scales" of software engineering and computer science? When I practice the piano, I will spend more of my time on scales and less on a fun song. How can I do the same in developing software? To head off early answers, I don't feel that "work on an open source project," and similar answers, is really right. Sure...that can improve your skills, but you could just as easily get stuck focusing on something that is unimportant to your craft as a whole. It can become the equivalent of learning "Twinkle Twinkle Little Star" and never being able to play Chopin. So, again, I ask - how would you suggest that someone deliberately practice software engineering?

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• Ubuntu 12.04 LTS - Apple iPad 3 (iOS 7 non-jailbroken) USB connection problem

  - by Eldian

  I've bought an Apple iPad 3 (iOS 7 non-jailbroken), and I'm trying to connect it to my PC running Ubuntu 12.04 through the original USB cable. After I plugged in the cable, I got this message on the PC: The device 'iPad' is locked. Enter the passcode on the device and click 'Try again'. Slide to unlock on iPad, it's OK, I got this message on the PC again: The device 'iPad' is locked. Enter the passcode on the device and click 'Try again'. iPad: Trust this computer? TRUST/DON'T TRUST I've selected TRUST. PC: Unable to mount - DBus error org.freedesktop.DBus.Error.NoReply: Message did not receive a reply (timeout by message bus) OK, I've read some forums, everywhere there was this solution: "Install: ifuse, libimobiledevice-utils, Rhythmbox OK, I've installed them through terminal, and used the idevicepair unpair && idevicepair pair command also in the terminal. Then I got this message: Device is not paired with this host. I don't know what to do. Please help!

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