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• What is Openflow?

  - by jmreicha

  Okay, I've been thinking about this a lot recently but I think I may be more confused now than I was originally when I started. I can't find anything about Openflow that helps me understand what it is. None of the websites I have found have given a solid definition of what Openflow really is and what it does, at least if they do I can't comprehend it. Is there an easy way to explain this standard so my small brain can understand it? I understand that Openflow is a way to abstract networking away from switches and can be managed from software, etc etc. I feel like it might be a little easier to grasp if I had exmaples of application. But so far searching has failed me. What is Openflow? How can it help me? What does it offer?

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• Create Hidden Partition on USB

  - by Francesco

  I need to split an USB flash disk into two USB drives, each one with its own drive letter, but one of these has to be hidden. In the non-hidden partition I want to place my software, and in the hidden partition I need to place some files that are required by the software in order to work. Moreover, only the software may read, write, delete or execute the files in this partition. I thought to use a little partition viewed as a CD-ROM drive, as they do in many flash drives, but this solution does not allow to write other data in a second moment, and it's visible to the user that can read the file. Obviously the software must be able to access to partition and read, write, delete or execute the content. Is there a solution to do so, possibly that work also on Linux?

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• Restore Default OSX Home Folder Icons

  - by Cerales

  I want to keep folders such as Pictures and Documents in my home folder in sync between computers; at the moment, I'm using Dropbox to do this. On Computer A I added a symlink to the folders in my home directory to the Dropbox folder. On Computer B I deleted the existing Pictures and Documents folders and replaced them with symlinks to the folders in the Dropbox folder. This works very well, except that in Finder I don't see the nice little icons that Lion has by default for folders of a particular kind. Is there any way to restore these?

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• CPU installation

  - by David Oneill

  I'm in the midst of building a computer (this is my first time). When I first put the heatsink on the CPU, I was a little off center. Some of the thermal compound came off, so when I re-centered it, it isn't completely evenly distributed. So here's my question: how picky are CPUs in terms of how evenly the thermal compound is? Should I take it apart, clean it, and apply a new layer of compound? Or can I just keep an eye on the CPU temperature? (I'm not overclocking or anything, if that matters)

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• HP ML115 with P400 Smart Array Controller

  - by John

  Hi, I have a HP ML115 server I have installed a HP P400 Smart Array Controller card, I also have 4 x 1TB Samsung Hard drives. I'm unable to get the the controller to detect the hard drives, I have changed the drives to SATA 1.5G without luck, I have also tried connecting a single 80GB Maxtor drive without luck The controller shows up just after boot and tries to initialize, The controller does not show up in the POST prompt, although I can see the controller when booting off a ACU CD THe controller firmware is a little old v4.12 but I have no way to update it. Any ideas on how I can get this going?

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• Enter key on Mac OS X renames files instead of launching

  - by Matt

  On my Mac when I hit the "enter" key on a file on my desktop or in the finder, it enters the "rename file" mode. 1) How do you actually "launch" or "open" (i.e. double click) the file with only the keyboard? In Windows, the Enter key does this. 2) Is there a way to map the Enter key to do this in Mac instead of rename? Honestly, it makes little sense to me. I mean, how often do you rename something? Once, maybe. How often do you open something? Lots and lots of times.

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• What's an easy way to install a bunch of OSS apps in my home dir on my company's aging Redhat VNC servers?

  - by subopt

  My company's IT group doesn't want to install lots of common stuff on our VNC servers, which run RHEL 4. The list of stuff i want/need includes graphviz, midnight commander, various python libs, sqlite, netbeans, antlr, jdk1.6, etc. They've hobbled rpm somehow, so i can't do rpm --relocate. And i don't want the RHEL4 compatible revs of this stuff anyway. I've probably got the room to build all this stuff in my home dir, but i don't want to take forever tracking down dependencies. Looking for an easy way to get the apps/tools i need, and nothing (or very little) else. Any suggestions?

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• Windows 8 won't boot after Boot Repair

  - by Rudolph Gottesheim

  I've got a Sony Vaio laptop. Until yesterday I had Windows 7 and Ubuntu 12.04 installed. Today I upgraded to Windows 8, which killed my OS selection screen. So I booted to Ubuntu 12.10 from a USB stick and ran Boot Repair. This recovered the GRUB screen and let me boot into my Ubuntu 12.04 installation, but now I can' boot Windows 8. When I select the option that booted Windows 7 before, it looks like it wants to start Windows 7 (sic) again (black screen, with the text "Windows is loading" or something), but then reboots the machine after a few seconds. I'm sure Boot Repair can fix this, but I know far too little about the whole booting thing to know the right settings for it. Here's my boot repair report thing.

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• How to find last login user on given computer name on AD

  - by user1215305

  If anyone could help, it would be appreciated. I am trying to audit the network. I have list of computers that are active in last 3 months in domain. I have little script that run when user login to the computer and writes the file with computer name. I have 39 computers and only on 23 computers the script was run. So I am chasing up with other 16 computers. My question is how can I find out who has last login to the given computer name? Many thanks in advance

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• is it possible to get IP address of a wifi that you are not connected to

  - by coltonon

  Just like the question states. Is it somehow possible to get the IP address of a network that you don't have access to? For example, if you click the little wifi button on your task bar, and highlight your cursor over one of the options, you get some info. But your external IP address is actually the address of the router, isn't it? Which would mean you would have to connect to the wifi, and then the router to get an IP address, correct? I realy just want a simple answer: No or Yes and here's how

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• XML Schema For MBSA Reports

  - by Steve Hawkins

  I'm in the process of creating a script to run the command line version of Microsoft Baseline Security Analyzer (mbsacli.exe) against all of our servers. Since the MBSA reports are provided as XML documents, I should be able to write a script or small program to parse the XML looking for errors / issues. I'm wondering if anyone knows whether or not the XML schema for the MBSA reports is documented anywhere -- I have goggled this, and cant seem to find any trace of it. I've run across a few articles that address bits and pieces, but nothing that addresses the complete schema. Yes, I could just reverse engineer the XML, but I would like to understand a little more about the meaning of some of the tags. Thanks...

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• UPS: Do i require a special extension cord for power in?

  - by rism

  I have a couple of Tripplite UPS systems. The power in cables are bright orange and about 2 meters in length. I want to put the system on the other side of the room but for some reason the UPS keep "going off" over there. So I guess the wall power sockets on that side of the room are a little dodgy. So i figured Id just go online and get some replacement UPS power IN (from wall to UPS) cables of an appropriate length. But i cant find any anywhere. (auction sites, tripplite store, cable websites). So now I'm wondering if that's just because you can use a standard extension cord of an appropriate wattage? I thought the UPS power IN cables were "special". Is that not so?

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• Server only powers (but doesn't POST) when IDE drive is powered

  - by Jookia

  So after a thunderstorm last night which did a little damage, a Gigabyte server has decided it's going on power on but not POST. If it is POSTing, it's doing a very bad job at telling me. No beeps, nothing. Power seems to reach the components though. CD Drive opens and closes. So after stripping it back, I've found that the difference between this behaviour and deciding it's not going to power on for more than half a second, is having a power cable plugged in to one of the IDE hard drives. Is this normal, or a sign that the PSU has had it?

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• Apple MagicMouse randomly loses connection

  - by Yuval

  My Magic Mouse periodically randomly loses connection to my macbook, sitting approximately a foot and a half away from it. There are no software updates available for Snow Leopard (10.6.3). I have a bluetooth keyboard (that sits a little closer to the macbook, though I'm not sure this is the issue) that rarely suffers from this problem. Google results mostly suggest to update the software but I have the most updated version of it already. Does anybody have any idea what could be causing the issue? Is this simply a defective mouse? Additional info: I tried replacing the batteries with new ones, making sure they are sitting tightly in their position with no change in behavior (still disconnects periodically). Also, this doesn't seem to be a problem that the mouse is turning itself off to save battery - it does not reconnect when I move or click it. If I wait long enough (a couple of minutes) it reconnects on its own. Otherwise I have to go to the bluetooth menu with my macbook touchpad and choose "yuval's mouse - Connect"

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• Doubts about Cloud Infrastructure

  - by Pravin

  Maybe a little more of the same questions that others have asked but wanted to clarify my doubt, for some years run my hosting company (reseller of esds) and I've done well so far, but I am determined to bring quality and server technology to offer another level. So far I have understood that there is a difference between cloud and cluster servers because the cluster function as load balancers that distribute in different servers roles and use the servers less overloaded in the cloud is the union of multiple servers and then the same is vitualized unlike the cluster that is allowed to use the resources of the CPU and RAM servers in the virtualized environment. My approach is to use 3 dedicated servers to create a cloud server, My doubts: Does this type of cloud servers are only reserved for big companies? (Either because the union of the servers is done by hardware or software with high price) What characteristics should these servers meet? Possibly through software which should be used? Available? Thanks for your time, Cheers!

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• BackupExec Hyper-V availability (within BackupExec 2010 or seperate?)

  - by blade

  Hi, I have downloaded the trial of Symantec BackupExec 2010 but I am a little confused: The agent for Hyper-V is available and for sale ($1800 or something), but the trial of BackupExec tells me i can install the agents I need from the installer. Can I install a full version of BackupExec, providing I have the license, but also install a full version of the Hyper-V agent? Or do I have to download/buy this seperately? Is a trial version available for the agents? As is probably obvious from this thread, I am a bit confused about the business model of this product. Please clarify. Thanks

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• Windows 8 - can't drag files from Explorer and drop on applications

  - by FerretallicA

  In Windows 8 I find I can't drag files to applications like I've been able to do for as long as I can remember. Example: Drag MP3s to Winamp Drag folder full of music to Winamp Drag videos to VLC Drag txt, reg etc files to Notepad I have tried various combinations of: Running Explorer as administrator Running drop target as administrator Taking ownership of drop target application's folder Taking ownership of Explorer Changing user account to administrator Create a new user account Lowering UAC level Disabling UAC in GUI Disabling UAC in registry Running Explorer folders in a separate thread This is the last straw if there's no known proper (ie non hacky compromise) fix for this. "Little" things like this combined are a productivity nightmare and if I have to relearn so much and configure so much to get basic things done with an OS I might as well just move to Linux once and for all.

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• Why does my mac have page outs when I have inactive memory?

  - by Chace Fields

  From what I've read, page outs are a sign that you don't have enough RAM. I have also read that if you have inactive memory available, then the machine will use that memory when starting up new programs. I have about 2GB of inactive memory and very little available memory. Once this happens, my page outs go up. Why is this and do I need more memory? I have 8GB of RAM. I'm running VMware Fusion 5 with 2GB allotted to Windows 8.

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• Adobe Volume License for Indesign Digital Download Location?

  - by elistp

  We recently purchased a volume license for Adobe Indesign from Dell. We received an e-mail for the order that contains the serial #. However, there is no information on how to obtain Adobe Indesign from the Adobe licensing portal. This is our first time dealing with Adobe volume licensing so I'm a bit lost as to what we're suppose to do. I've googled around a little and found an Adobe License Portal but I do not have access to it. Does anyone with experience concerning Adobe volume licensing have any idea what we're suppose to do to get a download of our purchase?

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• Moving from Ubuntu desktop to Ubuntu Server via SSH

  - by Daniel Elessedil Kjeserud

  So a little while ago I installed regular Ubuntu for a home server, but that gave me a lot of extra packages. What I should have done was to install Ubuntu Server, since I don't even own a screen to connect to it. Does anybody know of a way to convert my Ubuntu machine to a Ubuntu Server machine in one big swoop? It has to be done over SSH, since I don't have a screen to connect to it, like I said. It's currently running 9.10, about to be upgraded to 10.4.

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• Which browser does my computer use to open a Web page? [on hold]

  - by msh210

  I know little about networking the Internet, but, from what I understand, it works — very approximately — as follows: I, sitting at the computer example.com, send a message saying, roughly, "get http://s.tk" to my ISP, which passes the message along, eventually to the machine at s.tk. The s.tk machine gets "example.comhas sent 'gethttp://s.tk'", so sendssomefileto its ISP which passes the file along, eventually to the machine atexample.com`. When the file gets back to example.com, my computer, how does my computer know what to do with it? I'm sure the headers (or something else) indicate it's a Web page rather than, say, a Usenet post — that's not my question. My question is: how does it know whether to display the Web page in my open Opera window or my open Firefox window, or my other open Firefox window, or, heck, to open a new browser instance?

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• Monitor-Specific Color Profile Results In Yellow Grayscale Images

  - by Zian Choy

  I recently purchased a new Acer S201hl monitor. Many lay reviews compliment its color accuracy with people noting only a bit of a blueish tinge. After a little time, Windows found, and I installed, the Acer drivers via Microsoft Update. During the installation process, the software installed an ICC profile for the monitor from Acer. I recently noticed that when I view photos using Windows Live Photo Gallery, the colors are wrong. For example, grayscale document scans appear with yellow backgrounds instead of white backgrounds. This happens with both my external monitors and my ThinkPad's built-in screen. When I removed the monitor-specific profile from the list of profiles associated with a monitor (for example, removing the Acer profile from the Acer monitor), the problem went away for that screen. I checked with Microsoft KB939395 and though it says "an incorrect color profile [...] is used for the monitor," the profile associated with my ThinkPad's screen seemed to be correct, based on its name.

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• How to see when stored procedures have last run

  - by Brandon Moore

  I want to see a listing of all the stored procs for each database on a server along with when the last time that store proc was run. I'm pretty good with SQL but I don't know about looking at stats like this that sql keeps so I'd appreciate a little help finding this info. EDIT: From the answers I'm getting it sounds like this is not possible the way I thought it would be. I was thinking that it could be done similarly to how you can see when a table was last accessed: select t.name, user_seeks, user_scans, user_lookups, user_updates, last_user_seek, last_user_scan, last_user_lookup, last_user_update from sys.dm_db_index_usage_stats i JOIN sys.tables t ON (t.object_id = i.object_id) where database_id = db_id() The above script was stolen from a comment on http://blog.sqlauthority.com/2009/05/09/sql-server-find-last-date-time-updated-for-any-table/.

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• Debian Simple Gui for adding/removing users for protective directories

  - by ErocM

  We have a hosted site with a directory that is password protected. I need to have a user who knows very little about computers, maintain the users that have access to this directory. The list is going to get big, according to our customer database. My question is 2 fold: Is there a simple gui program that I can have this user utilize to be able to maintain the users without having to teach them how to use ssh and UNIX? Am I going about this the right way? Is there a better way to do this? Thanks for your help!

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• Programmer Desk

  - by Jim

  I'm building a home office and looking for the ultimate desk. Lot's of resources about the great desk chairs, but very little on great modern desks. Requirements: $1000-$2000. Straight. No side cabinets. Attractive. Electric adjustable would be nice, but I haven't found very attractive looking one. The one recommended in this thread is pretty ugly http://www.beyondtheofficedoor.com/adjustable-height-table.php The Herman Miller Sense desk looks nice: http://www.csnofficefurniture.com/asp/superbrowse.asp?clid=32&caid=&sku=HML1212&refid=PG7-HML1212 . Big fan of Herman Miller after my Aeron and Mirra. Does anyone have any experience with their desks? EDIT: Thanks all for the advice. I ended up just going with the Galant after seeing it and the Herman Miller's in person. What a great desk!

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