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  • Application Request Routing (ARR) - Single Server Reverse Proxy(ish) Setup

    - by Justin
    I have 1 webserver that has two .NET apps running on it. These are set up on the server as app1.mydomain.com and app2.mydomain.com. I would like to be able to take any request going to app1.mydomain.com/subfolder and rewrite it to app2.mydomain.com/subfolder using ARR. I am having difficulty getting this to work on a single server, and all the ARR examples on the net seem to imply that I require another server dedicated to ARR sitting in front of the two web servers. Is what I am attempting to do possible on one web server, and if so how?! Thanks all.

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  • Recommended CPU upgrade for Dell Vostro 220 with Intel E7300 processor?

    - by Justin Grant
    I've got a Dell Vostro 220 with an E7300 processor (Intel Core 2 Duo @ 2.66Mhz, LGA775 socket) and I'm thinking about upgrading my processor so I can run Windows Server 2008 R2 with Hyper-V, which requires Hardware Virtualization support in the processor. Yes, I know this is underpowered for a server, I'm actually using it as a desktop machine but I'd like to use Hyper-V instead of Virtual Server (which I'm using now for running VMs). I'd like to keep the same motherboard and ideally the same CPU fan and RAM too. Any suggestions for a good, relatively cheap (under $200) processor upgrade?

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  • Does Exchange 2010 lift the restriction that DL addresses must be in Active Directory?

    - by Justin Grant
    We'd like to enable end-users to be able to create and maintain their own email distribution lists in Exchange 2010, where those lists may include users inside the company but also customers, partners, etc. who are outside the company. One of the limitations in Exchange 2007 (see this question) was that any member of a DL had to have an entry in active directory. You couldn't just take a group of email addresses (both inside and outside my company) and create an Exchange DL with those addresses without involving Active Directory admins to create entries for each external user. For a company creating hundreds of small mailing lists every month, this was an unacceptable IT expense. So we had to use a separate mailing list solution (GNU mailman) for DLs which included external users. Is this limitation relaxed in Exchange 2010 so we can throw away GNU mailman and use Exchange instead?

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  • How do I recover from a grub renaming issue?

    - by Justin Ardini
    I am currently dual-booting Ubuntu 10.04 and Windows 7 with grub 1.98 as the bootloader. I recently decided to edit the grub menu to remove the old Ubuntu kernels, so I followed the instructions of this guide and added the line list='version_find_latest $list' to the 10_linux file, then ran sudo update-grub. Apparently I made a mistake, because upon restart I had these bootloader entries: Ubuntu, with Linux $list Ubuntu, with Linux $list (recovery mode) Ubuntu, with Linux version_find_latest Ubuntu, with Linux version_find_latest (recovery mode) When I try to load any of these, I get a grub error along the lines of, Error: not a normal file Now I can't start any version of Ubuntu to remove the line I added. What's the best course of action to be able to use Ubuntu again? Thanks.

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  • Windows 7 taskbar groups to use vertical menus only, not thumbnails?

    - by Justin Grant
    I frequently have 10 or more windows of the same application (e.g. Outlook, Word, IE, etc.) open at one time. Windows 7's new taskbar grouping thumbnail feature shows a preview of open windows (aka thumbnails) when you single-click on the taskbar group for that application. But when I have over 10 windows open (more thumbnails than will fit horizontally on my screen), Windows reverts to a vertical menu. This is disconcerting since I need to train myself to deal with two separate behaviors and can never anticipate what I'm going to see when I click on a taskbar group. Furthermore, I find the thumbnails more difficult to visually scan through (vs. the vertical menu) because only 1-2 words of each window's title are shown. Typically that's not enough text to disambiguate and help me find the right window. I'd like to force Windows 7's taskbar grouping to always show a vertical menu (like in XP) instead of sometimes showing thumbnail previews and sometimes showing a vertical menu. Anyone know how (whether?) this can be done? UPDATE: BTW, I'm running the RTM version (build 7600) of Windows 7. There are apparently other solutions out there which work on earlier builds, but which don't work on the RTM build.

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  • Prevent Exchange Server from advertising itself on domain

    - by Justin Shin
    I'm in the middle of setting up an Exchange 2010 Server. Currently, we use a SaaS provider for Exchange 2007 services. Some (but not all) of my users have been reporting that they are receiving Outlook/Exchange login prompts to login to the new Exchange server. This is happening without any intervention on the client's machines. The Exchange server is a member of the domain and connects to the domain site remotely through a site-to-site VPN. What can I do to prevent these login prompts from appearing? Will shutting down the new server until it is time to switch resolve these issues? A little more info: I found that on one of the client computers, all of the settings for Outlook over HTTP had been changed (automatically) from webmail.provider.com to mail.company.com (the latter being the new server). This happened when I enabled Outlook Anywhere access on Exchange 2010. I changed the client's settings back, and everything was groovy. But, when I disabled Outlook Anywhere again, the logon prompt came back.

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  • Hardware recommendation for Solaris 10 + ZFS data warehouse server.

    - by Justin
    The server would run a 2 drive (mirrored root pool for OS and master database segment). And would run individual zpools for each remaining drive (loss of data is acceptable). Initial requirements would be: 2x 7540 xeons (6 core) 32gig memory. 12 drives. A 4U/2U server (6/8 core and 2/4 sockets cpu support) with internal disks / or external JBOD. Capacity to house a disk per CPU core is important.

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  • Self-Resetting Power Strips?

    - by Justin Scott
    We are about to deploy a number of secure kiosks into an environment where they may be prone to lightning strikes and power surges on a somewhat regular basis (southern Florida in a place where the existing electrical infrastructure is, shall we say, a bit out of date). Ideally we would use battery backups on each system, but it's not in the budget. We plan to use a standard power strip with a circuit breaker built-in to protect the computers, but management has asked if there is a power strip that can reset itself after the breaker has been tripped. I've looked around and wasn't able to find such a beast, and it seems to me that it would probably be a safety issue for such a product to exist (e.g. if something plugged into the strip is drawing a lot of current and trips the breaker, you wouldn't want that resetting itself to prevent a possible fire). Nevertheless, if anyone has experience with such a product or can point me in the direction of something that would allow the breakers to be reset automatically or remotely (we don't want to have to send someone to each kiosk every time there is a power surge) I would appreciate any tips.

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  • Determine logged on user on Windows computer from Linux

    - by Justin
    How can I determine who is logged on to a remote Windows XP computer from Linux? I do not have administrator access on the domain or on the remote computer. I can do it from a separate Windows computer using PsLoggedOn -L \\computer from PsTools I've tried using nmblookup -A remotecomputer, but I only see entries for the computer and the domain, not a <03> entry for the user. I've also tried running PsLoggedOn under wine; I get an error: Connecting to Registry of \\computer.company.com... fixme:reg:RegConnectRegistryW Connect to L"computer.company.com" is not supported. I started looking into winexe, but it looks like I would need administrative rights on the remote computer to get it working.

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  • Will Software RAID And iSCSI Work For A SAN

    - by Justin
    I am looking for a SAN solution, but can't afford even entry level solutions. Basically, the SAN is for development and a proof of concept product. The performance doesn't have to be amazing, but needs to be functional. My buddy says we should just setup sotware RAID and software iSCSI in Linux. Essentially I have a spare server with dual Xeon processors, 4GB of memory, and (2) 500GB 7200RPM drives. It's a bit old but working. I am sure there is reason people don't do software RAID and iSCSI, but will performance be usable? Thinking of configuring the drives in RAID 0 (for performance).

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  • what damage can be caused if scandisk is not run before defrag

    - by Justin Gregoire
    Hello, I would like to know what the damage to a drive can be if a scandisk is not performed before a disk defrag. I have looked up some sites that say a scandisk should be run to correct any issues that may be apparent on the system, making sure that the drive is free of errors before a disk defrag is done. I have to perform a defrag on a computer without having physical access to it (using remote connection). I know that the scandisk requires a reboot to the system (causing me to lose my connection) which would be difficult to restart physically if the system does not come back on by itself once rebooted (this has happened before). Any suggestions? Thank you.

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  • SQL Server 2012 - Upgrade Whitepaper

    - by JustinL
    Just a short note to mention Microsoft have released the Technical Reference Guide for upgrading to SQL Server 2012. The paper is available for download here: http://tinyurl.com/84xm5b4 There's some interesting details on approaches to upgrade, including features such as high availability, full-text search, service broker and other components (SSIS, SSAS, SSRS). Additionally, there's a (fairly) recent initiative to organise and present TechNet content more easily, there's some useful content (with interesting presentation) at the link below: http://technet.microsoft.com/en-us/library/hh393545.aspx Good luck planning your upgrades, Regards, Justin

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  • Is TCP/IP encapsulation MSB or LSB?

    - by Justin
    Application data sent over TCP experiences multiple encapsulations: The application data is encapsulated within one or many TCP fragments The TCP fragment is encapsulated within one or many IP datagrams The IP datagram is encapsulated within one or many Ethernet frames It turns out Ethernet frames are sent most-significant byte first, and within each byte, most-significant bit first. What about the multiple encapsulations? Are they performed MSB first or LSB first?

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  • How long are fragmented TCP fragments kept in the TCP server

    - by Justin
    Suppose that a given TCP fragment is fragmented into two IP datagrams, and that the first datagram arrives to the TCP server, but the second datagram never arrives. After a certain amount of time the TCP server sends a keepalive, and determines that the client is alive. What does the TCP server then do with this first datagram? Does is wait for the second datagram to arrive, or does it discard the first datagram?

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  • Simulating a low-bandwidth, high-latency network connection on Linux

    - by Justin L.
    I'd like to simulate a high-latency, low-bandwidth network connection on my Linux machine. Limiting bandwidth has been discussed before, e.g. here, but I can't find any posts which address limiting both bandwidth and latency. I can get either high latency or low bandwidth using tc. But I haven't been able to combine these into a single connection. In particular, the example rate control script here doesn't work for me: # tc qdisc add dev lo root handle 1:0 netem delay 100ms # tc qdisc add dev lo parent 1:1 handle 10: tbf rate 256kbit buffer 1600 limit 3000 RTNETLINK answers: Operation not supported How can I create a low-bandwidth, high-latency connection, using tc or any other readily-available tool?

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  • Tech Cast Live - Java and Oracle, One Year Later - February 15th 10AM PST

    - by Cassandra Clark
    Join us for a special live conversation with Ajay Patel, Vice President of Product Development for Application Grid Products and Justin Kestelyn, Director of the Oracle Technology Network. Justin and Ajay will discuss the changes that have come to Java and Oracle since the Sun acquisition, just over a year ago. This live broadcast conversation will include discussion on: - Highlights, challenges and what we learned over the past year - The Future of Java and its importance to Oracle and the community - Oracle's Application Grid product portfolio today Watch Live Event February 15th Watch Archived TechCast Lives You will also have the chance to submit questions to the speakers live on the show, for real-time feedback by using #techcastlive. If your question is read on air we will send you a Free I am the Future of Java t-shirt* *Promotion Details After you have submitted your question and it is read on the live TechCast held February 15th your shirt should arrive in two to four weeks while supplies last. No purchase, payments, or fees are required to receive the gift. Limit one thank you gift per person, and the offer is available only while supplies last. Oracle reserves the right to modify or terminate this offer at any time, for any reason. This offer is not available to Oracle employees or residents of countries subject to U.S. embargo (including Cuba, Iran, Iraq, Libya, North Korea, Sudan, and Syria). Due to Federal Government regulations, this offer is not available to Federal Government customers. Those residing in India or Brazil will be given a substitute gift as we can not ship t-shirts to your country. You are responsible for complying with your employer's policies regarding acceptance of promotional items, and for government laws, regulations and agency policies, if you are a government employee you will not be able to participate. Must be 18 years of age or older. Void where prohibited. Neither Oracle nor any third party assisting Oracle with this offer is responsible for any problems, errors, delays, or technical malfunction related to or impacting this offer. Oracle respects your right to privacy and your information will not be distributed or used for any other purpose. For more information on Oracle's privacy policy, please review our http://www.oracle.com/html/privacy-policy.html. If you have any questions, please contact us at [email protected].

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  • "System cannot find the file specified" trying to reinstall network driver.

    - by Justin Love
    After uninstalling Symantec Enpoint Protection (manually) one computer (Windows XP) has an inoperative NIC; it shows up in device manager as conflicted. I tried doing a windows repair from CD, which did not improve the situation. When I went to reinstall the drivers, driver installation failed with: Cannot install this hardware The system cannot find the file specified I've deleted the NIC in device manager without improvement.

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  • Best Free Windows Imaging Software For Servers

    - by Justin
    We are running two physical servers both Windows 2003, not virtualized. What is the best free (if any) windows software to take a full image backup of the entire drives? If possible, while the image is taking place, it should not bring the hosts to their knees with excess CPU or I/O usage. The servers have RAID mirroring, but after hearing a few horror stories about hacked systems, we need to have weekly full image backups, so we can simply revert to a pre-hacked image. Thanks.

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