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• Compaq Presario V2000 Vista/7 trial virtualization

  - by James Schweninger

  I am currently studying for an A-Plus certification to which was recently added troubleshooting Windows 7 to the exam. You also have to be very familiar with Vista as well. I only have XP on my Compaq Presario V2000, but I wanted to set it up ( I believe I have the minimum requirements for both ) so that I could run trial versions of Vista and 7 virtually.Windows 2000 is also on the exam. Is there an easy legal way to do this? I wouldn't mind partitioning my HDD for the four operating systems either. Thnx if you have any ideas, JLS

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• Server 2012 intermittently fails to respond to pings from single host, even with firewall disabled, but responds to non-ICMP requests fine

  - by James Westbury

  This one is kind of weird. I've got the following machines involved: DC01 - 10.1.2.42, Server 2012, domain controller & DNS server, physical machine nagiosv - 10.1.2.35, CentOS 6.4, Nagios, virtual machine CB01 - 10.1.3.81, Ubuntu 12.04 LTS, couchbase server, virtual machine So, I noticed something was wrong while configuring this new Nagios VM. I started seeing DC01's state flapping. I logged into nagiosv when I saw this happening, and attempted to ping DC01, both by FQDN and its IP address. Neither worked. I tried pinging the machine from CB01, which is another VM on the same virtual switch/physical NIC as nagiosv, and that worked fine. Pings still failing from nagiosv at this time. DC01 is also an internal DNS server, so I ran dig google.com from nagiosv, and was able to run a query against DC01 just fine: ;; Query time: 1 msec ;; SERVER: 10.1.2.42#53(10.1.2.42) ;; WHEN: Fri Nov 1 07:53:51 2013 ;; MSG SIZE rcvd: 204 Pings still failing from nagiosv, though. I can ping from DC01 to nagiosv, and that works, and I can still ping from other VMs on the same physical NIC into DC01, and that works. I should mention at this point that I've disabled the firewall on DC01 for testing purposes, and it doesn't make a damned bit of difference. (Even with the firewall enabled, I have a blanket exception for ICMP from the local subnet, so it shouldn't make a difference, but I figured I should test it anyway.) I loaded up Wireshark on DC01 and pinged it from nagiosv again. What I see is a bunch of echo requests coming in and not a single reply going back out. Filtered results here, showing all ICMP traffic during a 15-second period. A few more bits of info: There are no IP conflicts on the network. MAC addresses on the incoming pings match the MAC on the VM. There are no duplicate MACs on the network, as far as I can see. I have absolutely no idea why DC01 is failing to respond, here. Any ideas?

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• Mac OSX DHCP Stopped Working [on hold]

  - by Jesse James Richard

  Tethering a Raspberry PI to a MacBook (Mavericks) via ethernet is proving to be a real pain. This worked for about a day. My MacBook required a rare reboot and once it came back up the Pi won't get an address. I've confirmed it's not a problem with the Pi. It's a problem with the MacBook for sure. It's basically just stopped giving out IPs. I've read as much as I've found about how to fix this friggin' problem, but I've thus far come up blank. Internet sharing Wi-fi Ethernet enabled, and/or Edited /etc/bootpd.plist as described here (http://www.jacquesf.com/2011/04/mac-os-x-dhcp-server/ - this worked initially and now no longer does) Pi connected directly to the router has no problems. My MacBook DHCP server will no longer give out addresses. Any help would be much appreciated.

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• How to handle OpenVPN client as a service, when the laptop is physically on the network already?

  - by James

  The Setup I've gotten OpenVPN working on our Windows XP laptops. Users are limited, so I went ahead and set OpenVPN client to run as a service, which is great anyway because that means they are on the VPN before logging in, so login scripts work, plus we can do remote support even if the user can not log in (such as connecting via VNC or resetting passwords). It is also configured to send all traffic over the tunnel, so when, for example, they browse the internet it is just like browsing from our corporate network. The Qestion(s) So, I'm wondering how does the OpenVPN client act when the computer is already physically on the same network as the OpenVPN server? Right now, the client is configured to connect the the public dns name which will resolve to the public ip address which will NOT get reflected back to the OpenVPN server, so it is affectively blocked from connecting to the OpenVPN server while on the network. Is that a good thing? Or will it constantly try to connect, using up system resources and network resources? We will likely have hundreds of laptops regularly on the physical network with this, so it could contribute to a lot of unnecessary network chatter. Alternatively Would it be better to have the firewall reflect the port back to the OpenVPN server and let it connect? Or have our internal dns resolve the name to the private ip and allow them to connect directly? Would traffic then go over the vpn connection (which I do not want, when already on the physical network)? Or is it possible to tell it to ignore the connection when the client and server are already on the same network? TLDR What's a sane way of handling OpenVPN client running as an always-on service when the client and server will often be on the same network?

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• Windows 7 - Add an item to 'new' context menu

  - by James

  When I right click anywhere I get an option to add a new file file a specified extension. I would like to add some custom files into this menu, so I can right click and create a new PHP file for instance. How can I do this?

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• Windows Services don't automatically start after reboot?

  - by James Crowley

  We've got some Windows services written in .NET. They start fine manually within the services mmc, but despite being set to Automatic, they never start when powering on (or rebooting) the machine. Update In the event log, instead of seeing "xyz started", alongside all the other services starting, I just see "The xyz service entered the stopped state." and a seperate error that says "A timeout (30000 milliseconds) was reached while waiting for a transaction response from the slsvc service.". If I manually start them, then I get a normal in the event log as expected, and all is fine - until the next Windows Update patch which forces a reboot and all the services are off again. Any ideas? I've tried setting them to Delayed Start with no apparent difference.

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• What happens to missed writes after a zpool clear?

  - by Kevin

  I am trying to understand ZFS' behaviour under a specific condition, but the documentation is not very explicit about this so I'm left guessing. Suppose we have a zpool with redundancy. Take the following sequence of events: A problem arises in the connection between device D and the server. This causes a large number of failures and ZFS therefore faults the device, putting the pool in degraded state. While the pool is in degraded state, the pool is mutated (data is written and/or changed.) The connectivity issue is physically repaired such that device D is reliable again. Knowing that most data on D is valid, and not wanting to stress the pool with a resilver needlessly, the admin instead runs zpool clear pool D. This is indicated by Oracle's documentation as the appropriate action where the fault was due to a transient problem that has been corrected. I've read that zpool clear only clears the error counter, and restores the device to online status. However, this is a bit troubling, because if that's all it does, it will leave the pool in an inconsistent state! This is because mutations in step 2 will not have been successfully written to D. Instead, D will reflect the state of the pool prior to the connectivity failure. This is of course not the normative state for a zpool and could lead to hard data loss upon failure of another device - however, the pool status will not reflect this issue! I would at least assume based on ZFS' robust integrity mechanisms that an attempt to read the mutated data from D would catch the mistakes and repair them. However, this raises two problems: Reads are not guaranteed to hit all mutations unless a scrub is done; and Once ZFS does hit the mutated data, it (I'm guessing) might fault the drive again because it would appear to ZFS to be corrupting data, since it doesn't remember the previous write failures. Theoretically, ZFS could circumvent this problem by keeping track of mutations that occur during a degraded state, and writing them back to D when it's cleared. For some reason I suspect that's not what happens, though. I'm hoping someone with intimate knowledge of ZFS can shed some light on this aspect.

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• PC won't boot from IDE HDD when SATA data drive connected

  - by Kevin

  I have an old Pentium 4 system running XP. The machine is set up as an HTPC. It was set up and running well with 1 SATA drive as a boot drive, another SATA drive to store TV recordings, and an IDE drive to store more recordings. Last week the original boot drive (a SATA drive) failed. The BIOS would no longer recognize it. I had a disused IDE drive hanging around that was large enough for the OS, so I reformatted it and installed XP on it. Now the system will only boot if I do not connect the remaining healthy SATA data drive. All three drives are recognized by the BIOS, and I have set the boot order so that the IDE drive with XP on it has top priority, but after the BIOS recognizes the drives, etc. I just get a black screen. I know the SATA drive is functional, because if I hot plug the drive AFTER the system is booted (I know I'm not supposed to do this), I can go into the control panels and mount the drive, and see all the files and folders on it in Windows Explorer. Any suggestions on what is going on and how to fix it? Many thanks.

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• How do I update Safari on Windows?

  - by James A. Rosen

  I'd like to update Safari to 4.0.5 for security reasons, but I can't figure out how to run the Apple updater manually. On Mac there's usually a "Check for Updates" menu item, but I don't see one on the Windows version. I tried downloading the latest version from http://www.apple.com/safari/download/, but Windows won't let me open the file, saying it is a security risk.

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• Copy an existing OS X install from another drive

  - by Kevin Burke

  I just bought a new solid state drive, and I'd like to copy all of the files and setup from my current Mac OS X hard drive onto it. What is the best way to do this? I have a 1TB external hard drive, my drive backed up on Time Machine, and Snow Leopard on a DMG, but no external mount for the SSD, and no install DVD (it's at my parents house, promise). I'm familiar with the command line and booting up Mac OS X from a hard drive.

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• Choosing parts for a high-spec custom PC - feedback required [closed]

  - by James

  I'm looking to build a high-spec PC costing under ~£800 (bearing in mind I can get the CPU half price). This is my first time doing this so I have plenty of questions! I have been doing lots of research and this is what I have come up with: http://pcpartpicker.com/uk/p/j4lE Usage: I will be using it for Adobe CS6, rendering in 3DS Max, particle simulations in Realflow and for playing games like GTA IV (and V when it comes out), Crysis 1/2, Saints Row The Third, Deus Ex HR, etc. Questions: Can you see any obvious problem areas with the current setup? Will it be sufficient for the above usage? I won't be doing any overclocking initially. Is it worth buying the H60 liquid cooler, or will the fan that comes with the CPU be sufficient? Is water cooling generally quieter? Is the chosen motherboard good for the current components? And is it future-proof? I read that the HDD is often the bottleneck when it comes to gaming. I presume this is true to other high-end applications? If so, is my selection good? I keep changing my mind about the GPU; first the 560, now the 660. Can anyone shed some light on how to choose? I read mixed opinions about matching the GPU to the CPU. Will the 560 or the 660 be sufficient for my required usage? Atm I'm basing my choice on the PassMark benchmarks and how much they cost. The specs on the GeForce website state that the 560 and the 660 both require 450W. Is this a good figure to base the wattage of my PSU on? If so, how do you decide? Do I really need 750W? The latest GTX 690 requires 650W. Is it a good idea to buy a 750W PSU now to future-proof myself?

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• Linux : How to convert media files to DVD format and burn?

  - by James.Elsey

  I have a load of media files on my PC, mostly AVI/MKV and some mpegs. On windows, I would use ConvertXToDVD to convert these to DVD format, and to burn to disc. That application also lets you save a bit of space on the DVD to put the original file in its AVI format on as well. How can I do this on linux? What are the alternatives to this Windows application? I could try to run ConvertXtoDVD under wine but I would prefer to find a native linux solution Thanks in advance!

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• Shortcuts located in "D:\Program Data\..." not working even though they're pointing to the right targets (Windows 7)

  - by Kevin

  I just made a fresh install of my windows 7 home premium using my laptop's recovery disks (HP Pavilion dv6-2151cl) using minimal settings. After install, I set up "Program Data" and "Users" to my D partition to save space changing the folders in the registry. Then I updated windows (including W7 SP1), and installed all other programs. After installing all other programs I noticed that the icons of all new programs (not included in the windows install) in "All Programs" had a blank sheet as icon and they don't do anything. Looked into "D:\Program Data\Microsoft\Windows\Start Menu\Programs" in the windows explorer and the same is true there. All the shortcuts in C: and "D:\Users..." work both in the "Windows Explorer" and "All Programs". Also I noticed that the shortcuts do display the right icons inside the "open" dialog boxes. And if I copy the shortcuts in "D:\Program Data..." to the desktop they also work as expected. I checked file association for .lnk and it was OK, but also tried the registry fixers for this file association and they had no effect. There are no missing programs that I can tell in the "All Programs" menu, the just don't do anything if they lay in "D:\Program Data...". Any thoughts on how to make Windows 7 treat shortcuts in "D:\Program Data..." as they should?

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• Can't change read only folder in windows 7

  - by James Drinkard

  I'm trying to run a Spring MVC 2.5 tutorial and when I run the ant script for a deploy, I get this error: deploy: [copy] Copying 2 files to C:\apache-tomcat-7.0.8\webapps\c:\projects\workspace\springapp BUILD FAILED C:\projects\workspace\springapp\build.xml:46: Failed to copy C:\projects\workspace\springapp\war\WEB-INF\web.xml to C:\apache-tomcat-7.0.8\webapps\c:\projects\workspace\springapp\WEB-INF\web.xml due to failed to create the parent directory for C:\apache-tomcat-7.0.8\webapps\c:\projects\workspace\springapp\WEB-INF\web.xml After reviewing the directory: springapp I saw the properties as read-only. No problem I thought as I'm logging in as administrator. However, changing the uac settings, going to a command prompt as admin and then trying to change the properties of the folder with attrib, making me the owner of the folder, changing the security settings etc... did nothing. I can't seem to change this folder to anything. So my question is, how do I change the settings on that folder so ANT can make changes to that folder?

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• HP p410i array controller - what happens if i add memory?

  - by James

  I have a p410i array controller that only has 256ram. We want to create a raid 5 so we have procured a 512 write back cache module. If we install the write back cache, will this erase the existing raid information. The server currently has 2 disks in raid 1. 6 are spare waiting for an upgrade to create a raid 5. the concern is if we replace/upgrade the memory for the controller, we will wipe the existing production raid 1 array. Thanks in advance.

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• Should all my files be stored on my shared partition?

  - by James

  I am setting up a tripple boot HD and was going to use a 4th partition to share files between OS's. I was wondering if there is any point in having much space on each OS partition to store files or if I just make the shared partition big and put everything on that? Is there any difference in speed between accessing files on the shared partition vs the native files? Are there any other benefits/disadvantages of having files on either the native/shared partition? EDIT: OS's in question are Windows 7, Ubuntu 12.04, and OS X 10.7.4.

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• How do I setup PHP locally on Windows 7 with Tomcat 7 already installed?

  - by James Drinkard

  I have Windows 7 64 bit running on my laptop with Tomcat 7 installed to run my java programs using Eclipse. Now I need to be working with PHP and as I went to install it, I read you need to install Apache Web Server first, before installing PHP. Then I read where you can run PHP under Tomcat or run PHP on Apache Web Server while still using Tomcat, if you reset the default port on one of them as Tomcat and Apache Web Server would use the same ports by default. What is the best way to do this? I don't want to was lots of time getting stuck on configuration issues.

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• Enabling "USB Printing Support" in Windows 7

  - by Kevin Dente

  I'm trying to use an old parallel-port based printer with a USB-to-parallel port adapter on Windows 7. When I plug it into the USB port on the computer it's listed as an unrecognized device. I know that these cables typically use the "USB Printing Support" driver with makes USB ports show up as printer ports in the printer dialog. Is there a way to manually add USB Printing Support to Windows 7, since it isn't being added automatically?

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• Running multipul lines through a server.

  - by Kevin Roberson

  I am looking to buy numbers in bulk on DIDx.net. After I purchase the numbers in a particular area code, I want to forward those numbers to other numbers that are outside of that area code. This way it will be seen as a local call versus long distance. I have the customers but I don't have the system I need. I have read about Asterisk, VOIP, SIP, and BYOH. But I have no clue what will be the best system for me. Does anyone have any idea what my next step should be when it comes to hardware and software? Or what type of operating system I should use? I basically want to set up a system like GoogleVoice & Phonebooth.

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• Compiling PHP with cURL and SSL support on Redhat EC5

  - by Kevin Sedgley

  I don't even know where to begin to be honest. Trying to use an external API that requires SSL connections, I discover that SSL in needed on cURL, but this (apparently) requires PHP to be reinstalled and compiled with cURL / SSL support. Not really experienced with compiling PHP, and I'm not sure if our server even has make or build, the only luck I've had is with rpm's before. This really isn't in my job description. Any help most most welcome!

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• Terminal window opens when Xubunutu starts...?

  - by james

  Whenever I start up my laptop with Xubuntu on it, a Terminal window opens and just sits in the taskbar - as though I opened it myself. Anyone know if there's some sort of list of applications which open at boot time. Maybe Terminal got on that list somehow?

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• SuexecUserGroup not working in Apache 2.4

  - by James W.

  I have upgraded my PHP from version 5.3 to 5.4 via yum which requires upgrading Apache from version 2.2 to 2.4. After doing configuration, it turns out that the userid and groupid is still using the global user/group which is "apache". <VirtualHost *:80> ServerName example.com ServerAdmin [email protected] DocumentRoot "/path/to/webroot" .... .... <IfModule mod_fcgid.c> SuexecUserGroup user-name group-name <Directory "/path/to/webroot"> Options +ExecCGI AllowOverride All AddHandler fcgid-script .php FcgidWrapper /path/to/webroot/php-fcgi-scripts/php-fcgi-starter .php Order allow,deny Allow from all </Directory> </IfModule> ........ </VirtualHost> /etc/httpd/modules/base.conf: LoadModule suexec_module modules/mod_suexec.so I would appreciate if anyone could advise what was I missed. Thanks.

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• Default documentroot apache does not work

  - by James Wise

  I have apache version 2.2 and php 5.3.15 on a single server. I configured virtual hosting and a default vhost. 0_default_.conf - goes to /var/www/default sub.domain.com.conf - goes to /var/www/sub.domain.com My question is, how could I set the default documentroot to sub.domain.com permanently? That means all request should be redirected to sub.domain.com. I try to remove 0_default_.conf but when viewing the page it display the php source code of sub.domain.com. Here is my configurations -- http://pastebin.com/4e3awUJ4 Although I can create index.php to /var/www/default and permanently redirect to sub.domain.com site but it's not viable solution for me because what if I didn't point the ip address of sub.domain.com to the server so user cannot view that subdomain. I would appreciate if anyone could share their knowledge and wisdom. Thanks. JamesW

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• How do you use Time Capsule for MAC controlled Internet?

  - by Kevin Perttula

  I'm using an Internet Provider that requires a username and password to log in; the prompt shows up as soon as you open a web browser. Because of this, I can only have one device online at a time. How can I get my Time Capsule to essentially log in as the user and allow other devices to connect through it. My Time Capsule has worked with other ISPs that don't require the user log in, but I recently moved. I may be wrong about how the ISP is allowing access, I wasn't sure how to describe the problem. Thanks.

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• How can I change the amount and size of Linux ramdisks (/dev/ram0 - /dev/ram15)?

  - by Kevin S.

  Using Linux, when I boot I automatically have 16 16MB ramdisks, however, I would like to create one really large ramdisk to test some software. I found that I can adjust the size of the ramdisks already on the system with the kernel boot parameter ramdisk_size however, this makes all 16 ramdisks (/dev/ram0 - /dev/ram15) the size that is specified. So if I want to create a 1GB ramdisk, I would need 16GB of memory. Basically, I want to create one 10GB ramdisk which would be /dev/ram0. How would I go about doing that? I assume there is a kernel boot parameter, but I just haven't found it.

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