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• Hard Disk:S.M.A.R.T. Stas BAD, Back up and replace

  - by Nick

  I have an laptop top hard drive I was trying to use to my new media computer. The case is small and can accommodate for 2 2.5" drives, no 3.5" drives. I had been using the hard drive as storage hard drive until now. When I go to install Windows on the hard drive first I'm prompted at the bios of: Hard Disk:S.M.A.R.T. Stas BAD, Back up and replace. And then again in the Windows Setup, informing me that the hard drive is bad. So I did a full format of the drive and tried again. Same error. So I took it out and hooked it back up to my other computer via an Sata usb adapter kit (maybe the cause?). The hard drive is recognized fine and when I scanned it for errors by going: right click -> properties -> tools -> error checking It returns that the hard drive is fine. I have tried 3 different SATA cables and multiple jumpers. When I plugged in my 1.5 tb 3.5" drive the computer that gives me the S.M.A.R.T. error on the 2.5" drive, recognizes it with no problems. Any ideas on why this is happening and how I can fix it?

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• Bash wonkyness on Ubuntu versus RHEL

  - by d34dh0r53

  Fellow faulters, I'm playing around with a one liner that I've developed on a RHEL 5.4 box and I have it working perfectly: TOTAL_RAM=`free | grep Mem: | awk '{ print $2 }'`; \ ps axo rss,comm,pid | awk -v total_ram=$TOTAL_RAM \ '{ proc_list[$2] += $1; } END { for (proc in proc_list) \ { proc_pct = (proc_list[proc]/total_ram)*100; printf("%d\t%s\t%0.2f%\n", proc_list[proc],proc,proc_pct); }}' \ | sort -n | tail -n 10 Which outputs something like the following on my RHEL box: 3736 logmon 0.01% 4156 EvMgrC 0.01% 4692 hald 0.01% 5020 ntpd 0.02% 6252 sshd 0.02% 7784 cvd 0.02% 9224 snmpd 0.03% 13068 dsm_sa_datamgr3 0.04% 23320 dsm_om_connsvc3 0.07% 4249864 mysqld 12.90% However on my Ubuntu 9.04 slice I get this: awk: run time error: not enough arguments passed to printf("%d %s %0.2f% ") FILENAME="-" FNR=104 NR=104 33248 console-kit-dae 3.17 I think it has to be bash that is borking something, but I'm really not doing anything that should be that bash specific. The RHEL box is running: # yum info bash | grep -e Version -e Release Version : 3.2 Release : 24.el5 And the Ubuntu box: # apt-cache show bash | grep -e Version Version: 3.2-5ubuntu1 I haven't dug into this super deeply, and thought I'd ping my fellow johnnys to see if you've ever run across this before. /bow

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• Huh? JDK not found? (on Windows 7 64-bit)

  - by Android Eve

  I am setting up a development environment for the latest Android 2.3 on a fresh install of Windows 7 64-bit. I first installed the 64-bit JDK 6 (jdk-6u23-windows-x64.exe). Then, I installed 64-bit Eclipse Classic 3.6 (eclipse-SDK-3.6.1-win32-x86_64.zip). Then, I proceed to install the Android SDK Starter Package: installer_r08-windows.exe. But... upon start it says: "Java SE Development Kit (JDK) not found." Why? I just installed it. Is this a mismatch between 32-bit and 64-bit? How do I solve this? Update (1): I tried setting the %JAVA_HOME% environment variable, as well as setting the Installed JREs in Eclipse, as suggested below. None of these solved the problem. It appears that I am not the only experiencing the problem, as this thread suggests: http://stackoverflow.com/questions/1919340/android-sdk-setup-under-windows-7-pro-64-bit I wonder whether there is a 64-bit version of the Android SDK. Update (2): I used the zip version instead (android-sdk_r08-windows.zip), ran android.bat, updated all SDK packages, and installed the ADT plugin (8.0.1), not before having to check: 'Contact all update sites during install to find required software'. We'll see how this goes... Update (3): It worked! (going to accept @bubu's answer shortly) -- but why doesn't the emulator include the HelloAndroid app when I run it (Ctrl+F11) from Eclipse?

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• Should I enabled 802.3x hardware flow control?

  - by Stu Thompson

  What is the conventional wisdom regarding 802.3x flow control? I'm setting up a network at a new colo and am wondering if I should be enabling it or not. My oh-cool-a-bright-and-shiny-new-toy self wants to enable it, but this seems like one of those decisions that could blow up in my face later on. My network: An HP ProCurve 2510G-24 switch A pair of Debian 5 HP DL380 G5's with built-in NC373i 2-port NIC LACP'd as one link. 9000 jumbo frames enabled. (Application) A pair of hand-built Ubuntu server with 4-port Intel Pro/1000 LACP'd as one link. 9000 jumbo frames enabled. (NAS) A few other servers with with single 1Gbps ports, but one with 100Mbps. Most of this kit is 802.3x. I've been enabling it as I go along, and am about to test the network. But as my 'go live' day nears, I am worried about the 802.3x decision as I've never explicitly used it before. Also, I've read some 10-year old articles out there on the Intertubes that warn against using flow control. Should I be enabling 802.3x hardware flow control?

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• Xorg eating up too much RAM on Ubuntu 9.10 box

  - by Yang

  Xorg is eating up 444MB of 2GB total RAM on my Ubuntu 9.10 x86_64 machine with nvidia drivers installed for the nvidia G86 (GeForce 8300 GS). top shows: top - 18:21:41 up 6 days, 2:40, 9 users, load average: 0.46, 1.12, 1.22 Tasks: 266 total, 3 running, 262 sleeping, 1 stopped, 0 zombie Cpu(s): 8.4%us, 2.0%sy, 0.0%ni, 89.1%id, 0.5%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 2055736k total, 1965136k used, 90600k free, 3952k buffers Swap: 979924k total, 979908k used, 16k free, 102636k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1432 root 20 0 1154m 442m 7492 S 8 22.0 32:56.97 Xorg 18462 yang 20 0 1001m 219m 8356 S 0 10.9 5:13.25 chrome 24099 yang 20 0 865m 83m 13m S 0 4.2 0:06.91 chrome xrestop shows: xrestop - Display: :0.0 Monitoring 47 clients. XErrors: 0 Pixmaps: 40430K total, Other: 142K total, All: 40573K total res-base Wins GCs Fnts Pxms Misc Pxm mem Other Total PID Identifier 1c00000 21 46 1 19 697 9128K 18K 9146K 3169 x-nautilus-desktop 1000000 4 3 0 17 194 9000K 4K 9004K 3134 gnome-settings-daemon 1600000 51 2 1 25 1100 7648K 28K 7676K ? compiz For comparison, here's my other Ubuntu box, which also has compiz etc. enabled but with ATI RV370 (Radeon X300SE): top - 18:18:18 up 58 days, 4:27, 9 users, load average: 0.00, 0.00, 0.00 Tasks: 224 total, 1 running, 223 sleeping, 0 stopped, 0 zombie Cpu(s): 0.3%us, 0.3%sy, 0.0%ni, 98.8%id, 0.5%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 1024964k total, 987124k used, 37840k free, 247012k buffers Swap: 2048276k total, 94296k used, 1953980k free, 264744k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 24324 yang 20 0 61936 35m 6364 S 0 3.5 4:35.84 nxagent 1768 ntop 20 0 190m 32m 5388 S 1 3.2 283:36.15 ntop 1178 root 20 0 60588 29m 1788 S 0 3.0 5:48.89 console-kit-dae ... 1315 root 20 0 343m 4956 4020 S 0 0.5 3:43.87 Xorg Any ideas on how to get to the bottom of this? (i.e. not "Log out"/"Reboot") Thanks in advance.

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• VPN Trunk Between Cisco ASA 5520 and DrayTek Vigor 2930

  - by David Heggie

  I'm a bit of a VPN newbie, so please go easy on me ... I'm trying to use the VPN trunking capabilities of the DrayTek Vigor 2930 firewall to bond two IPSec VPN connections to a Cisco ASA 5520 device and I'm getting myself tied in knots and hope someone here with more knowledge / experience can help. I have a remote site with two ADSL connections and the DrayTek box. The main office site has the Cisco ASA device. I am able to setup a single IPSec connection between the two sites on either of the ADSL connections' public IP addresses, but as soon as I try to use the VPN bonding, nothing works. The VPN tunnels are both still up, but the traffic is getting lost somewhere. I suspect it's due to the ASA not knowing how to route the traffic back over the VPN - one minute, traffic from my remote office's network is coming from public ip address #1, the next it's coming from public address #2 and it doesn't know what to do. Well, that's my newbie impression of what's going wrong, but I don't really know: If this is really what's happening If what I'm trying to do (bond two VPN connections from a single remote network to improve the bandwidth / resiliency) is possible with the kit I've got Could anyone help?

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• How to install DBD::mysql on OS X Server 10.6?

  - by Zoran Simic

  Trying to install DBD::mysql on OS X Server 10.6 (mac mini server). But I'm missing the mysql headers apparently. Since mysql is already part of OS X Server 10.6, I would like to NOT install anything else (no fink or darwin ports installs), just whatever's needed to get DBD::mysql installed and working. Do you know how I could do that? Do I have to install the headers somewhere? And if so, where? (again: I don't want to install another version of mysql on the box, want to use the version it came with). Is there a way to install DBD::mysql without compiling any C files? This is the error I get (the actual error is much longer, but these are the most meaningful bits, this is the first error reported). Checking if your kit is complete... Looks good Unrecognized argument in LIBS ignored: '-pipe' Note (probably harmless): No library found for -lmysqlclient Multiple copies of Driver.xst found in: /Library/Perl/5.10.0/darwin-thread-multi-2level/auto/DBI/ /System/Library/Perl/Extras/5.10.0/darwin-thread-multi-2level/auto/DBI/ at Makefile.PL line 907 Using DBI 1.611 (for perl 5.010000 on darwin-thread-multi-2level) installed in /Library/Perl/5.10.0/darwin-thread-multi-2level/auto/DBI/ Writing Makefile for DBD::mysql cp lib/DBD/mysql.pm blib/lib/DBD/mysql.pm cp lib/DBD/mysql/GetInfo.pm blib/lib/DBD/mysql/GetInfo.pm cp lib/DBD/mysql/INSTALL.pod blib/lib/DBD/mysql/INSTALL.pod cp lib/Bundle/DBD/mysql.pm blib/lib/Bundle/DBD/mysql.pm gcc-4.2 -c -I/Library/Perl/5.10.0/darwin-thread-multi-2level/auto/DBI -I/usr/include -fno-omit-frame-pointer -pipe -D_P1003_1B_VISIBLE -DSIGNAL_WITH_VIO_CLOSE -DSIGNALS_DONT_BREAK_READ -DIGNORE_SIGHUP_SIGQUIT -DDBD_MYSQL_INSERT_ID_IS_GOOD -g -arch x86_64 -arch i386 -arch ppc -g -pipe -fno-common -DPERL_DARWIN -fno-strict-aliasing -I/usr/local/include -Os -DVERSION=\"4.014\" -DXS_VERSION=\"4.014\" "-I/System/Library/Perl/5.10.0/darwin-thread-multi-2level/CORE" dbdimp.c In file included from dbdimp.c:20: dbdimp.h:22:49: error: mysql.h: No such file or directory dbdimp.h:23:45: error: mysqld_error.h: No such file or directory dbdimp.h:25:49: error: errmsg.h: No such file or directory

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• i7 overclocking problem

  - by benwebdev

  Hi everyone, I've got an overclocked system that seems to be misbehaving. When trying to boot up from cold the system just hangs and nothing is output to the screen. Fans are on as they should but nothing happens to finish the boot. From here I have to switch it off then on again and the boot completes. If I go into the tweak menu in the BIOS I'm informed that a boot has failed I've been in touch with Overclockers UK support a bit and theres not yet been a solution. We've mainly been tweaking the voltage for the CPU. Any suggestions? I'm new to Overclocking which is why I got a bundle with OCUK. With this issue happening on Cold Boot too its tricky to test as I have to make a change then wait till the next day. My system is here: Intel Core i7 930 2.80Ghz overclocked to 4GHz Gigabyte X58A-UD3R (BIOS Version: FC) 6GB RAM Power Supply - CoolerMaster Silent Pro M series 700W One suggestion made by OCUK was that maybe its the power supply but I'm not sure and dont have a spare - it's brand new and a pretty expensive piece of kit. Any thoughts on this? Other recomendations for Power? thanks Ben

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• SATA HDD stuttering on reads (LED on)

  - by jdehaan

  I hope I can get some new ideas to solve the issue. What I have: AMD Phenom II X4 905e Box, Sockel AM3 Gigabyte GA-MA790XTA-UD4, AMD 790X, AM3 ATX WD Caviar GreenPower 1,5TB SATA II 4GB Kit OCZ DDR3 PC3-10666 Platinum Low-Voltage CL7 HIS HD 4670 iSilence4 DDR3 1024MB Native HDMI Dual-DVI, PCI-Express Behavior: Everything works normally excepting the HDD accesses. The drive seems to get stuck in reading data (LED drive by Mainboard is on for a while) then recovers and goes on. There is a delay of more than 30s sometimes. Often it is a matter of 5-10s. This does not seem related to the workload of the disk. What I tried so far: Use different SATA port: I switched from the SATA3 to SATA2 then the SATA driven by the CPU, no difference. Turned AHCI off, drove the SATA in IDE mode, same behavior, now I felt like the HDD has problems Deactivated energy saving settings (BeQuiet, ...), disabled 3 CPUs (msconfig) supposing some race condition or trouble with changing freqs, same trouble With Windows7 Professional 64Bit, I installed the hotfix http://support.microsoft.com/?scid=kb%3Ben-us%3B976418&x=8&y=9 with no success. The problem description matches what I experienced, so I felt lucky but was quite in a sad mood after being deceived. Burned the DLG 5.04f DataLifeGuard CD from WD to check the drive. All tests passed, to my surprise! Installed an Ubuntu on the same drive i386 flavour. Drive still in IDE mode, exactly the same behavior. So the OS does not matter. What I did not try yet: http://www.gigabyte.eu/Support/Motherboard/BIOS_Model.aspx?ProductID=3263 I have a F2 BIOS and there is a F3a Beta, did someone have similar issues that were solved by this update? It is a beta so I fear upgrading a bit and I could find no release notes at all on the net, not really serious work maybe they had issues translating from Chinese??? Using another HDD drive Does someone have other hints or a similar issue? Maybe it is neither the HDD nor the Mainboard/BIOS?

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• Small Business HP Virtualisation and iSCSI SAN Options

  - by Robin Day

  We are a small business that hosts our core product on a number of HP servers. Our core production setup is 1x HP DL380, high powered for a SQL Server Database 1x HP DL360, mid powered for our core application server 6x HP DL320, low powered for our front ends We run our training / testing / support systems on a similar setup, the servers are just older and less powerful. Unfortunately this is now causing us issues as the system has grown beyond the capabilities of these older servers. Upgrading these servers would be expensive and we believe that virtualisation is probably the way to go for the future. Locally we run a number of test / dev environments on ESXi using Direct Storoage on a couple of high powered DL360's and these are performing fairly well. We're thinking that instead of replacing all of our test servers that we can implement an iSCSI SAN and one or two high powered hosts. Hopefully looking that when it comes to replace our live servers as well that we can just expand the virual environment to cope. So my question is... Can anyone offer any advice on some suitable options? We have generally always been extremely happy with HP servers, all of our kit is currently HP, therefore our preference would be to stick with HP, however, I'm always happy to hear about other options. I'm hoping that initially a budget of around 15-25k (GBP) would be suitable, this could potentially be increased if I had confidence that the system would pave the way for a cost effective upgrade of our live systems in the future as well. I am new to SAN's and my only real experience is playing with OpenFiler on some old desktops. I think iSCSI should be suitable, but I've not done any research into how SQL server may perform. I've had a browser through HP's sites and see plenty of information about EVA, MSA, LeftHand, etc. However, from looking at all that, I don't see which options would be best and more importantly I don't know exactly what I would need to buy. Any help, links, opinions would be much appreciated. Thanks

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• Virtual Fileserver

  - by Sergei

  Hi, We are planning to move our production servers to the datacenter and virtualize remaining servers in the process.Datacenter will have HP blades with vSphere on top.Currentliy we are using Celerra NS20 as fileserver.Since datacenter is using HP kit and EVA 4400 as SAN, we cannot have Celerra there, as EMC supoprt for Celerra does not work for non EMC array. I have searched for possible options and one of them was to have HP NAS blade X3800sb instead of Celerra.However this seems like overkill for me.We are only using Celerra for about 100 users and 50 servers and I think having X3800sb could be waste of resources. The other option would be to have a virtual fileserver as a part of vmware environment in datacenter.We only need CIFS to be provided.The only option I can think of is Windows Storage server.We had a bad expirience with Windows servers used as fileservers ( memory leaks one thing) in the past and this was one of the reasons we moved to Celerra. What are the other options?We need something as reliable as Celerra with as many options as possible.For example , Celerra has per folder quotas, deduplication, dynamic volume allocation, automatic failover, VTLU, replication. Also we would need to replicate NAS data to the failover site.We could use block level replication , SAN-to-SAN, but this would mean wasted bandwidth, as we need only subset of folders to be replicated.We used CA XSoft for windows servers in the past and Celerra has option for Celerra replication. Thank you very much in advance, Please ask me if I missed any details!

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• Load balanced IIS. Should I use NLB, or linux-based reverse proxy, or something else?

  - by growse

  What would be the best approach for load-balancing at least 2-3 Windows 2008 R2 IIS webservers running a multitude of .NET applications? My choices appear to be: 1) Hardware-based network device load balancer, like a Cisco CSS 2) Windows NLB 3) Some sort of linux based proxy, either haproxy or other The three servers sit as VMs on a vSphere farm, so I have the ability to clone to up the instance count in times of high load. I control the switch that the vSphere hosts are plugged into (Cisco 3750), but don't control the switching/routing infrastructure beyond that to the clients. (1) Is too expensive, and probably overkill for my needs. I've included this in case someone figures out a cunning way to do it on my existing network kit, which I doubt. (2) would seem to be the obvious "built-in" option, but seems to be quite fiddly messing around with network interfaces, multicast, and generally other things that seem to be needlessly complex. It's also fairly stupid, in that it can't remove hosts from the pool if they start throwing 500 errors or otherwise go wrong (3) is the most interesting option, as it would appear to offer the most flexibility and customizability, but without having to mess around with the network. However, while I'm familiar with the reverse-proxy capabilities of lighttpd etc, I'm not that well read on other options like HAProxy, which might be able to offer a lot more. Which would you go for, and is there anything I've not thought of?

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• Is it possible to add/register an MIB for the Windows built-in SNMP service?

  - by michielvoo

  I need to build monitoring into an existing .NET application. I will use SNMP to send the application's status to the Windows SNMP service. I have used a .NET library to create the SNMP SET request according to the MIB that I have been provided with, and with the correct community. My code now sends multiple 'variables' in a SET request, for example: Id: ".1.3.6.1.4.1.43607.1.1.1.1.1" (ObjectIdentifier) Data: 42 (Integer32) On my machine I have enabled the SNMP service, configured a community with READ/WRITE permissions, and added localhost to the list of hosts to accept requests from. When I send the SET request I get a response, but it has error status 17 which, according to MSDN means SNMP_ERRORSTATUS_NOTWRITABLE. The response also has error index set to 8, which is the number of variables I send. If I send 7 variables, the error index is set to 7. I think the problem is that the Windows SNMP service is preconfigured to only accept SET requests for a fixed set of MIBs. How can I get the Windows SNMP service to 'accept' my custom MIB SET request? Edit: I downloaded and installed the Windows Server 2003 Resource Kit and tried to 'compile' the MIB file with mibcc.exe ("SNMP MIB Compiler") but I have not been able to compile any MIB files (even the most basic ones like SNMPv2-SMI.mib).

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• Installing Windows 7 over PXE, preferably with domain autojoin

  - by Ivan Vucica

  At an educational non-profit, I've inherited a previously set-up Windows domain that, after the first reinstall of the machines, we ended up not using by simply not joining machines back into the domain. Over last summer, before the annual reinstall for shipping machines to the summer school, I toyed with the idea of installing Windows 7 over network, instead of just imaging the machines. It took a bit longer than I expected to figure out the basics; honestly, I expected that Windows would be more friendly for PXE installation out of the box. What I'm interested in is best practices for installing Windows 7 over PXE with domain autojoin. I'd love it if the whole setup could optionally be hosted on a UNIX based system as well. I've had some success by preparing an ISO using Windows Deployment Kit, and loading the ISO into memory. This was needed since I wanted a menu, and I think I couldn't get PXELINUX to chainload into Windows' bootloader. Unfortunately, I couldn't figure out much about customization of the Windows setup in that timeframe nor could I get Samba to work properly; studying the stuff ended up being too lengthy, especially the portion where I edited a disk image on Windows and copied it outside. WDK didn't make things easier by mounting the disk image into RAM, and writing it in its entirety when done with it, making me a very sad boy. I've recently found a different approach, too, that appears to be closer to Microsoft's original idea for netboot deployment and does not involve ISOs. So my question boils down to the following. What exact approach do you use for netbooting Windows 7 setup? How can Windows 7 setup be best customized to be completely unattended, including installation on specific system partition and not destroying the data partition, creation of passworded admin and default user, choice of MAC-address-based hostname, and joining a domain? As much details as possible for everyone's future reference would be appreciated. WDS isn't a bad choice, but if a Linux-based install can be used, that'd be better.

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• Unable to access site over HTTPS using self signed certificate

  - by James

  I am developing a REST API which I want to secure with SSL/TLS. I have implemented a large part of the API which I have tested over HTTP, however, I am now at the stage where I want to switch it over to use HTTPS. At the moment the API is hosted on a Windows XP professional SP2 box running IIS 5.1 (development environment only) and I used the SelfSSL.exe tool from the IIS 6.0 Resource Kit Tools to generate a server certificate. I then configured my API to use this certificate which all appeared to work fine as I attempted to connect to my API using HTTP and I get a 403 response saying "... must be accessed over a secure channel...". However, the problem is when I attempt to access the same the API over HTTPS it just appears to hang! As this is a development environment at the moment I don't have a domain name (just a static IP address) and the API is running on port 81. Also (incase it matters) the API is the default site (I replaced it). Any ideas why I can't connect using HTTPS?

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• Is there a historical computer peripherals or accessories museum or even just a current list?

  - by zimmer62

  Thinking about all the unique and different peripherals I've owned over the years, from ISA capture cards, to parallel port controlled shutter glasses for 3d games. I've seen many many accessory or computer peripherals come and go. The nostalgia of these things is a lot of fun. I tried to find some sort of historical time-line or list but what mostly turned up is computers themselves. I'm more interested in the mice, scanners, the weird adapters that shouldn't exist, short run very rare products, strange devices from computer shows in the 80's and 90's... Hardware you might find in a geeks basement that would be completely useless now, but was the coolest thing around when it was new. An example would be a drawing tablet I had for my TI-99 computer, or the audio tape player accessory for a C64 which let you save files to audio tapes, An ISA card that did the same for PC's hooked up to a VCR. Remember that IBM-PC Jr upgrade kit, that added a floppy drive, more memory and the AT switch in the back? I'd love to find either a wiki, or a list that has already been assembled which contain many of these weird (or common) accessories. I've had so many over the years I suppose I could start a wiki here if such a list doesn't already exist.

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• VMWare Workstation 8 Disk I/O & Hard Faults

  - by Scott

  I have VMWare Workstation 8 installed on a host machine with the following specs: Intel i5 2500k CPU 16GB DDR3 1600 ram 1TB Western Digital Caviar Black HD I have two Windows 7 virtual machines configured (currently running one at a time but will be operating both at once when my 32GB RAM kit arrives in a couple days). Each one is configured with 8GB of RAM and no tweaks/performance customizations or anything done. All of the VMWare settings are the defaults. When I boot into these machines and run various programs (Visual Studio, Outlook, etc), I can hear the disk thrashing quite a bit and checking Resource Monitor, I can see that I'm getting anywhere between 300-800 hard faults per second. From the host machine, it shows they're coming from the VMWare image. If I go to the virtual machine, whatever app I'm currently loading is the image that's causing the hard faults. As I understand it, hard faults are (simply) when an address in memory has been swapped out to the page file and has to be read from the page file instead of from memory. I don't understand why this is happening though. With 8GB of ram on the guest machine and 6.5GB available, what could be causing this? I know Windows 7 supposedly improved on page file management over XP but it seems excessive for this kind of slowdown, disk thrashing and high hard fault count when I have that much free RAM. Is there anything I can to to improve the performance in my guest machines? On the host machine, I can open/run any applications at all and hard faults stays around 0 with low disk I/O.

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• Performance decrease in every game and application

  - by Márk Vincze

  When I start a game, initially it runs smoothly, but after a couple of minutes, the performance gradually decreases to the point of being unplayable (1-2 FPS). The sound also starts to lag at this point. This does not happen every time I start my PC, usually exiting the game, rebooting, then starting the game again solves the problem, and I can play with perfect FPS for as long as I want. I could not find any deterministic reason when this happens and when doesn't. It happens in every game I tried (SWTOR, Diablo 3, Skyrim), and not even games, but simple applications like a browser or the Control Panel can get unusably slow. This is a brand new PC I bought three months ago, and this problem occurs since the first day I've been using it. Could you provide any advice how to further diagnose the problem? I tried to reinstall Windows, and tried different video card drivers, but it did not help. It would be important to know whether this is a hardware or software problem, because I can use the warranty if it is a hardware issue. (I did not want to return the PC yet, because I can't reproduce the issue deterministically.) Spec of the pc: Motherboard: ASROCK H61M-HVS CPU: INTEL Core i3-2120 3.30GHz 1155 BOX Memory: KINGMAX 4096MB DDR3 1333MHz KIT Video card: GIGABYTE GV-R685OC-1GD HD6850 1GB GDDR5 PCIE HDD: SEAGATE 500GB Barracuda 7200rpm 16MB SATA3 ST500DM002 I am using Windows 7 64 bit. Thanks a lot in advance!

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• computer freezes but music continues

  - by Danny

  Recently I have had a problem where my computer will freeze completely but if I happen to be streaming Pandora in a tab that will continue playing. If I wait about 2-5 minutes it will eventually come back and start working normally. I also noticed that during the period that it is unresponsive that the HDD activity light stays lit the whole time, not flashing. I've ran memtest86+ and a diagnostic from Western Digital for my HDD model and none of them reported any errors. The specs for my computer are 1 x ASRock H55M/USB3 R2.0 LGA 1156 Intel H55 HDMI USB 3.0 Micro ATX Intel Motherboard 1 x CORSAIR Enthusiast Series CMPSU-550VX 550W ATX12V V2.2 SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Compatible with Core i7 Power Supply 1 x Intel Core i3-540 Clarkdale 3.06GHz LGA 1156 73W Dual-Core Desktop Processor Intel HD Graphics BX80616I3540 1 x G.SKILL 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Dual Channel Kit Desktop Memory Model F3-12800CL9D-4GBNQ 1 x ASUS PCE-N13 PCI Express 150/300Mbps Transfer/Receive Rate Wireless Adapter 1 x EVGA 01G-P3-1556-KR GeForce GTX 550 Ti (Fermi) FPB 1GB 192-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card I can't imagine what would be causing these problems.

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• Macports install of ack doesn't create correct executable

  - by user1664196

  I am trying to install p5-app-ack port from Mac Ports, but it seems it doesn't create a /opt/local/bin/ack binary at the end: $ sudo port search *app-ack Password: p5-app-ack @1.960.0 (perl) A grep replacement that ignores .svn/CVS/blib directories p5.8-app-ack @1.960.0 (perl) A grep replacement that ignores .svn/CVS/blib directories p5.10-app-ack @1.960.0 (perl) A grep replacement that ignores .svn/CVS/blib directories p5.12-app-ack @1.960.0 (perl) A grep replacement that ignores .svn/CVS/blib directories p5.14-app-ack @1.960.0 (perl) A grep replacement that ignores .svn/CVS/blib directories p5.16-app-ack @1.960.0 (perl) A grep replacement that ignores .svn/CVS/blib directories Found 6 ports. $ perl --version This is perl 5, version 12, subversion 4 (v5.12.4) built for darwin-thread-multi-2level Copyright 1987-2010, Larry Wall Perl may be copied only under the terms of either the Artistic License or the GNU General Public License, which may be found in the Perl 5 source kit. Complete documentation for Perl, including FAQ lists, should be found on this system using "man perl" or "perldoc perl". If you have access to the Internet, point your browser at http://www.perl.org/, the Perl Home Page. $ sudo port install p5-app-ack ---> Computing dependencies for p5-app-ack ---> Cleaning p5-app-ack ---> Updating database of binaries: 100.0% ---> Scanning binaries for linking errors: 35.0% ---> No broken files found. $ $ ls /opt/local/bin/ac* /opt/local/bin/ack-5.12 /opt/local/bin/aclocal /opt/local/bin/aclocal-1.12 /opt/local/bin/activation-client /opt/local/bin/acyclic $ which ack $ ack -bash: ack: command not found Update If I then try to install p5.12-app-ack afterwards, I get $ sudo port install p5.12-app-ack Password: ---> Computing dependencies for p5.12-app-ack ---> Cleaning p5.12-app-ack ---> Scanning binaries for linking errors: 100.0% ---> No broken files found. $

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• Workaround for Dell "Power Supply Not Recognised" issue

  - by Haedrian

  So, I have a Dell Inspirion and the power supply port appears to be damaged. Basically when I plug it in I get a nice popup telling me that it couldn't detect that its a Dell power supply so it won't charge the battery and underclocks the system. It still works for other purposes (that is, giving power) I thought it was the actual power supply cable so I bought a new one, that worked for a while, provided I inserted it at JUST THE RIGHT angle. But now that's not working anymore, so I assume its the part which connects to the computer. The battery charging I can live without, the underclocking I can't. I'd like a way around this issue. Things I've tried: Updating the BIOS Replacing the power supply cable Inserting it at different angles Turning it off and on again Swearing at it Twisting it while inserting it So, is there a workaround somehow? I'd like to avoid taking out my soldering kit and risking permanently damaging expensive equipment if that's allright. I'm hoping for a software solution. Added: The exact model is a Del Inspirion N5010

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• Computer turns on and off very quickly, then nothing, then works?

  - by hellohellosharp

  The strange nature of this problem is what is stumping me. I built my computer about 7 months ago using all new parts off of Newegg (not a kit or anything). One day, I wake up and turn on my computer. I press the power button and it turns on, but then back off after half a second. I press the power button again, this time nothing. I continue pressing the power button while at the same time turning the power supply on and off (to try and reset things). The power button still does nothing. But then, after about 5 minutes, WALLAH, it works just fine like nothing was ever wrong. It goes for an entire week working just fine. Then, one morning, the entire process starts again. I press the power button and it comes on and then right back off. I press the power button several times and nothing happens, and then it works again after a couple minutes of trying. What is going on with my computer?

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• Huh? JDK not found? (on Windows 7 64-bit)

  - by Android Eve

  I am setting up a development environment for the latest Android 2.3 on a fresh install of Windows 7 64-bit. I first installed the 64-bit JDK 6 (jdk-6u23-windows-x64.exe). Then, I installed 64-bit Eclipse Classic 3.6 (eclipse-SDK-3.6.1-win32-x86_64.zip). Then, I proceed to install the Android SDK Starter Package: installer_r08-windows.exe. But... upon start it says: "Java SE Development Kit (JDK) not found." Why? I just installed it. Is this a mismatch between 32-bit and 64-bit? How do I solve this? Update (1): I tried setting the %JAVA_HOME% environment variable, as well as setting the Installed JREs in Eclipse, as suggested below. None of these solved the problem. It appears that I am not the only experiencing the problem, as this thread suggests: http://stackoverflow.com/questions/1919340/android-sdk-setup-under-windows-7-pro-64-bit I wonder whether there is a 64-bit version of the Android SDK. Update (2): I used the zip version instead (android-sdk_r08-windows.zip), ran android.bat, updated all SDK packages, and installed the ADT plugin (8.0.1), not before having to check: 'Contact all update sites during install to find required software'. We'll see how this goes... Update (3): It worked! (going to accept @bubu's answer shortly) -- but why doesn't the emulator include the HelloAndroid app when I run it (Ctrl+F11) from Eclipse?

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• D-Link wireless router losing outbound data

  - by gsteinert

  I have a Linux box running the Apache web server behind a D-Link wireless router (nothing fancy, just standard kit that comes with Virgin Media broadband). My issue is that when requesting web pages (from within the network or via the web), the back end of the page seems to be being dropped. For example, I tried to display a text-only file, and all I could get was the first 40-70% of the file (it changed slightly with each refresh). The apache access logs show that only part of the data was being sent (~6000 bytes instead of the 12000+ bytes of the file). Removing my router from the equation fixes the issue and I can download any files no matter the size with no problems. My theory is that the uploaded packets are either being dropped or held up by the config of the router. Is there anything I can do to alleviate the problem? (Perhaps a way of reconfiguring the router to upload packets harder/better/faster/stronger or an option in apache that provides a workaround) As a last resort I will get a second NIC for my Linux box and turn it into a router, but that would mean the box will be on 24/7... not the most ideal of circumstances. Gary

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• Are these hardwares compatible?

  - by Tom Kaufmann

  I am trying to upgrade my new machine but I want to do it myself. This is my 1st attempt at building system. After carefully reading reviewing feedback and my budget I have decided to select the below listed components. Can anybody let me know are they compatible or not? Transcend 64 GB 2.5" SATA Solid State Drive Asus GeForce GTX550 1GB DDR5 ENGTX550 TI DI/1GD5 Graphics Card Seagate Barracuda 1 TB HDD Internal Hard Drive Cooler Master eXtreme Power Pro 600 Power Supply Intel Core i5 2500K Sandy Bridge 3.30 GHz 95 W 4 Core Desktop Processor Intel DX79TO Motherboard Corsair CMZ8GX3M2A1600C9 8 GB DDR3 SDRAM 1600 MHz Dual Channel Kit Desktop Memory Sony AD-7260S-ZS Internal DVD Writer - Black Cooler Master Hyper TX3 EVO Intel CPU Cooler Cooler Master Elite 335U Cabinet LG E2051T 20.1 Inch SuperSlim Monitor Is any of these hardware components incompatible with I5 2500K? If you have any other suggestions for selecting any other harwdware that can boost up my performance or lower my cost while having the same performance, please suggest. But my primary questions is whether they are compatible or not! Any help is appreciated. Thank you.

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