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  • Fresh Red Hat Enterprise Linux fails to install httpd using yum

    - by Julian
    I'm trying to install a LAMP stack in a fresh red hat server but yum is misbehaving. Being linux illiterate I'm at a loss. $yum install httpd Loaded plugins: security Setting up Install Process No package httpd available. Nothing to do My yum config $ cat /etc/yum.conf [main] cachedir=/var/cache/yum keepcache=0 debuglevel=2 logfile=/var/log/yum.log distroverpkg=redhat-release tolerant=1 exactarch=1 obsoletes=1 gpgcheck=1 plugins=1 # Note: yum-RHN-plugin doesn't honor this. metadata_expire=1h # Default. # installonly_limit = 3 # PUT YOUR REPOS HERE OR IN separate files named file.repo # in /etc/yum.repos.d Other stuff in the yum.repos.d dir $ ls -lah /etc/yum.repos.d/ total 12K drwxr-xr-x 2 root root 4.0K Feb 4 01:15 . drwxr-xr-x 59 root root 4.0K Feb 4 01:28 .. -rw-r--r-- 1 root root 561 Mar 10 2010 rhel-debuginfo.repo What could be going on? I thought "out of the box" RHEL5.5 would be friendlier :)

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  • sudo/su command for Red Hat Server 5.4

    - by rednaxela
    Without going into too much detail, I need to execute one linux command on redhat with root user access. Red Hat Server 5.4 does not recognise the sudo command. The command su can be used to switch to the root user on redhat, but su cannot be done in one line. For example the command: su ; cd opt/storage/RootAccessFolder will not work because this only switches you to root, then executes the cd command once you have logged out from the root user. I guess what i'm looking for is like a.. sudo cd opt/storage/RootAccessFolder but I say again, sudo doesn't work. Any ideas?

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  • Red Hat - Accept Self-Signed Certificates

    - by user552788
    Hi: Is there a way I can get a Red Hat Linux box to trust a self-signed certificate? e.g. wget https://example.com - gives an error that certificate is untrusted as 'https://example.com' has a self-signed certificate; with wget '--no-check-certificate' can over-ride checking of the certificate. But I would like to get the Red Hat to implicitly trust the self-signed certificate - is there a way to do this? Thanks.

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  • Top 25 security issues for developers of web sites

    - by BizTalk Visionary
    Sourced from: CWE This is a brief listing of the Top 25 items, using the general ranking. NOTE: 16 other weaknesses were considered for inclusion in the Top 25, but their general scores were not high enough. They are listed in the On the Cusp focus profile. Rank Score ID Name [1] 346 CWE-79 Failure to Preserve Web Page Structure ('Cross-site Scripting') [2] 330 CWE-89 Improper Sanitization of Special Elements used in an SQL Command ('SQL Injection') [3] 273 CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') [4] 261 CWE-352 Cross-Site Request Forgery (CSRF) [5] 219 CWE-285 Improper Access Control (Authorization) [6] 202 CWE-807 Reliance on Untrusted Inputs in a Security Decision [7] 197 CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') [8] 194 CWE-434 Unrestricted Upload of File with Dangerous Type [9] 188 CWE-78 Improper Sanitization of Special Elements used in an OS Command ('OS Command Injection') [10] 188 CWE-311 Missing Encryption of Sensitive Data [11] 176 CWE-798 Use of Hard-coded Credentials [12] 158 CWE-805 Buffer Access with Incorrect Length Value [13] 157 CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program ('PHP File Inclusion') [14] 156 CWE-129 Improper Validation of Array Index [15] 155 CWE-754 Improper Check for Unusual or Exceptional Conditions [16] 154 CWE-209 Information Exposure Through an Error Message [17] 154 CWE-190 Integer Overflow or Wraparound [18] 153 CWE-131 Incorrect Calculation of Buffer Size [19] 147 CWE-306 Missing Authentication for Critical Function [20] 146 CWE-494 Download of Code Without Integrity Check [21] 145 CWE-732 Incorrect Permission Assignment for Critical Resource [22] 145 CWE-770 Allocation of Resources Without Limits or Throttling [23] 142 CWE-601 URL Redirection to Untrusted Site ('Open Redirect') [24] 141 CWE-327 Use of a Broken or Risky Cryptographic Algorithm [25] 138 CWE-362 Race Condition Cross-site scripting and SQL injection are the 1-2 punch of security weaknesses in 2010. Even when a software package doesn't primarily run on the web, there's a good chance that it has a web-based management interface or HTML-based output formats that allow cross-site scripting. For data-rich software applications, SQL injection is the means to steal the keys to the kingdom. The classic buffer overflow comes in third, while more complex buffer overflow variants are sprinkled in the rest of the Top 25.

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  • Top Ten Reasons to Attend the 2015 Oracle Value Chain Summit

    - by Terri Hiskey
    Need justification to attend the 2015 Oracle Value Chain Summit? Check out these Top Ten Reasons you should register now for this event: 1. Get Results: 60% higher profits. 65% better earnings per share. 2-3x greater return on assets. Find out how leading organizations achieved these results when they transformed their supply chains. 2. Hear from the Experts: Listen to case studies from leading companies, and speak with top partners who have championed change. 3. Design Your Own Conference: Choose from more than 150 sessions offering deep dives on every aspect of supply chain management: Cross Value Chain, Maintenance, Manufacturing, Procurement, Product Value Chain, Value Chain Execution, and Value Chain Planning. 4. Get Inspired from Those Who Dare: Among the luminaries delivering keynote sessions are former SF 49ers quarterback Steve Young and Andrew Winston, co-author of one of the top-selling green business books, Green to Gold. 5. Expand Your Network: With 1500+ attendees, this summit is a networking bonanza. No other event gathers as many of the best and brightest professionals across industries, including tech experts and customers from the Oracle community. 6. Improve Your Skills: Enhance your expertise by joining NEW hands-on training sessions. 7. Perform a Road-Test: Try the latest IT solutions that generate operational excellence, manage risk, streamline production, improve the customer experience, and impact the bottom line. 8. Join Similar Birds-of-a-Feather: Engage industry peers with similar interests, or shared supply chain communities, in expanded roundtable discussions. 9. Gain Unique Insight: Speak directly with the product experts responsible for Oracle’s Value Chain Solutions. 10. Save $400: Take advantage of the Super Saver rate by registering before September 26, 2014.

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  • Configure Raid On Red Hat 5

    - by Sopolin
    Hi all, I have a problem with configure raid on red hat enterprise linux. The problem is when I create raid on two hard disks. It works successfully but after I remove one hard disk. It works normally. It means that I plug in one hard disk for testing configure raid. But after that I put both hard disks and create other file. The raid is cleared. My question is: Why do I turn off server machine, it clears raid that I configure first time before I turn off? Could anyone help to solve this problem? Thank, Ung Sopolin

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  • Red Hat 5.4 slow processing

    - by yucefrizk
    I'm running Red Hat Linux 5.4 on HP DL580 server with 16 processors and 64 GB of RAM. I'm connecting to the server remotely through SSH. after entering the password, it takes time to return the command line, if I click ctrl+c during this time, I'll have the command line prompt but not the correct bash prompt (I have to run bash to pass to my correct prompt). I tried to install Apache on the server, ./configure took 4 hours to finish instead of 1 or two minutes, Oracle installation same behavior. Server Disks are mirrored using RAID controller. any idea what could be the reason of this slowness?

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  • Clone a Red Hat RAID as part of a disaster recovery plan

    - by Campo
    I am looking for recommendations to clone a Red Hat mirrored raid to a single hard drive located in the same machine. The idea is if the servers hardware ever has an issue we have a similar hardware machine ready to go. All we would have to do is pop in the cloned drive. If the servers RAID ever failed we could just switch to the single drive to maintain uptime and restore the original configuration on the spare server with a backup. This is a restaurant and they are open 7 days a week. We do have time from 12:am to 9:00am to perform the necessary steps for a clone and we talking about under 10 Gigs of information. There is a database on the server. I have looked into Rsync and Clonezilla. But I am just not confident either is capable of completing the task I want. Looking for some suggestions and possibly a step by step if you could be so kind.

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  • Firefox and Chrome Display "top: -5px differently"

    - by Kevin
    Using Google Web Toolkit, I have a DIV parent with a DIV and anchor children. <div class="unseen activity"> <div class = "unseen-label"/> <a href .../> </div> With the following CSS, Chrome shows the "unseen label" slightly below the anchor. which is positioned correctly in both Chrome and FireFox. However, FireFox shows the label in line with the anchor. .unseen-activity div.unseen-label { display: inline-block; position: relative; top: -5px; } and .unseen-activity a { background: url('style/images/refreshActivity.png') no-repeat; background-position: 0 2px; height: 20px; overflow: hidden; margin-left: 10px; display: inline-block; margin-top: 2px; padding-left: 20px; padding-right: 10px; position: relative; top: 2px; } Please tell me how to change my CSS so that Chrome render the label centered to the anchor. However, I need to keep FireFox happy and rendered correctly.

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  • Twitter Tuesday - Top 10 @ArchBeat Tweets - June 3-9, 2014

    - by OTN ArchBeat
    The Top 10 tweets from @OTNArchBeat for the last seven days. RT @DBAKevlar: #EM12c rel4 is out! Woohoo!! Jun 3, 2014 at 10:36 AM Top 10 Arch Community Articles for May 2014 >> props to @markrittman @kevin_mcginley @porushh et al Jun 4, 2014 at 12:52 PM Architecture of Analytics: @markrittman @kevin_mcginley >> Free OTN Virtual Tech Summit - July 9 Jun 4, 2014 at 09:13 AM My Top 10 Tweets - May 27 - June 2 #ADF #Essbase #FusionApps #Goldengate #Kscope14 #WebLogic. Jun 3, 2014 at 10:27 AM Starting and Stopping a #JavaEE Environment when using Oracle #WebLogic | Rene van Wijk #oracleace Jun 5, 2014 at 11:00 AM Video: #KScope14 Preview: @DebraLilley never stops moving, never stops learning. Jun 3, 2014 at 11:19 AM The OTNArchBeat Daily is out! Stories via @oraclebase Jun 9, 2014 at 01:47 PM Where did my MDB concurrency go? | Eric Gross #weblogic Jun 9, 2014 at 08:48 AM Exalogic Tech tips and code samples from A-Team architect Andrew Hopkinson Jun 6, 2014 at 11:47 AM The OTNArchBeat Daily is out! Stories via @KentGraziano @DBAKevlar @dbasolved Jun 3, 2014 at 01:48 PM adf, essbase,

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  • Top 10 SEO Tips

    Here, in this article I am going to explain the top 10 White Hat SEO techniques to improve the search engine rankings. These SEO tips are discussed below...

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  • Red Hat 6.5- sysctl -w net.ipv6.conf.default.accept_redirects=0

    - by kjbradley
    I am in the process of writing a Red Hat 6.5 Kickstart disc with hardened security. I have run a program to determine where the weaknesses are in my system, and apparently there is a medium severity problem by accepting IPV6 redirects. When I implement the following line in my post script in my kickstart, I can't access any websites externally with wget, or ssh/scp in from my computer. sysctl -w net.ipv6.conf.default.accept_redirects=0 Is there a workaround to this so that the system will still be hardened but I will be able to access systems that are external?

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  • Natural Search Engine Optimization - Don't "Game the System" Or You Will Get Banned!

    When focusing on natural search engine optimization, it is important that you keep the process "white hat." You see, when it comes to SEO, there are basically three schools of thought: White hat, Gray hat, and Black hat. As you can probably infer, white hat is following the rules, gray hat is a little in between, and black hat is going against parameters that Google and other major search engines have set for ethical SEO practices.

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  • Top Ten SEO Don'ts

    SEO is built around an ever changing set of algorithms, and has evolved throughout the years. The internet is a constantly changing medium, and one of the worst things you can do is used out of date or obsolete SEO methods. Many old tactics are now considered 'black-hat', meaning they are looked down on by the SEO community and can bring down penalties fro search engines.

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  • Best depth sorting method for a Top Down 2D game using a 3D physics engine

    - by Alic44
    I've spent many days googling this and still have issues with my game engine I'd like to ask about, which I haven't seen addressed before. I think the problem is that my game is an unusual combination of a completely 2D graphical approach using XNA's SpriteBatch, and a completely 3D engine (the amazing BEPU physics engine) with rotation mostly disabled. In essence, my question is similar to this one (the part about "faux 3D"), but the difference is that in my game, the player as well as every other creature is represented by 3D objects, and they can all jump, pick up other objects, and throw them around. What this means is that sorting by one value, such as a Z position (how far north/south a character is on the screen) won't work, because as soon as a smaller creature jumps on top of a larger creature, or a box, and walks backwards, the moment its z value is less than that other creature, it will appear to be behind the object it is actually standing on. I actually originally solved this problem by splitting every object in the game into physics boxes which MUST have a Y height equal to their Z depth. I then based the depth sorting value on the object's y position (how high it is off the ground) PLUS its z position (how far north or south it is on the screen). The problem with this approach is that it requires all moving objects in the game to be split graphically into chunks which match up with a physical box which has its y dimension equal to its z dimension. Which is stupid. So, I got inspired last night to rewrite with a fresh approach. My new method is a little more complex, but I think a little more sane: every object which needs to be sorted by depth in the game exposes the interface IDepthDrawable and is added to a list owned by the DepthDrawer object. IDepthDrawable contains: public interface IDepthDrawable { Rectangle Bounds { get; } //possibly change this to a class if struct copying of the xna Rectangle type becomes an issue DepthDrawShape DepthShape { get; } void Draw(SpriteBatch spriteBatch); } The Bounds Rectangle of each IDepthDrawable object represents the 2D Axis-Aligned Bounding Box it will take up when drawn to the screen. Anything that doesn't intersect the screen will be culled at this stage and the remaining on-screen IDepthDrawables will be Bounds tested for intersections with each other. This is where I get a little less sure of what I'm doing. Each group of collisions will be added to a list or other collection, and each list will sort itself based on its DepthShape property, which will have access to the object-to-be-drawn's physics information. For starting out, lets assume everything in the game is an axis aligned 3D Box shape. Boxes are pretty easy to sort. Something like: if (depthShape1.Back > depthShape2.Front) //if depthShape1 is in front of depthShape2. //depthShape1 goes on top. else if (depthShape1.Bottom > depthShape2.Top) //if depthShape1 is above depthShape2. //depthShape1 goes on top. //if neither of these are true, depthShape2 must be in front or above. So, by sorting draw order by several different factors from the physics engine, I believe I can get a really correct draw order. My question is, is this a good way of going about this, or is there some tried and true, tested way which is completely different and has somehow completely eluded me on the internets? And, if this does seem like a good way to remake my draw order sorting, what's the right sorting algorithm for reordering the Bounds Rectangle collision lists, and how do you deal with a Bounds Rectangle colliding with two different object which don't collide with eachother. I know these are solved problems, but I've only been programming for a year so any specific input here will be greatly appreciated. Thanks for reading this far, ye who made it -- sorry it was so long!

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  • Top 10 Browser Productivity Tips

    - by Renso
    Originally posted on: http://geekswithblogs.net/renso/archive/2013/10/14/top-10-browser-productivity-tips.aspxYou don’t have to be a geek to be a productive browser user. The tips below have been selected by actions users take most of the time to navigate a web-site but use long-standing keyboard or mouse actions to get them done, when there are keyboard short-cuts you can use instead. Since you hands are already on the keyboard it is almost always faster to sue a keyboard shortcut to get something done that you usually used the mouse for. For example right-clicking on something to copy it and then doing to same for pasting something is very time consuming, keyboard shortcuts have been created that simplify the task. All it takes are a few memory brain cells to remember them. Here are the tips, in no particular order:   Tip 1 Hold down the spacebar on your keyboard to page to the end of your web page rather than using your mouse. This is really a slow way of doing it. If you want to page one page at a time, hit the spacebar once, and again to page again. But if you want to page all the way to the end of the web page simply hit Ctrl+End (that is hold down the Ctrl key and hit the End button on your keyboard). To get to the top of your web page, simply hit Ctrl + Home to go all the way to the top of your web page. Tip 2 Where are my downloads? Some folks run downloads again-and-again because they do not know where the last one went and they do not see the popup, or browser note on their web page in the footer, etc. Simply hit Ctrl+J. Works in most browsers. Tip 3 Selecting a US state from a drop down box. Don’t use the mouse, takes just way too long to scroll. When you tab to the drop down box or click on it with your mouse, simply hit the first character of the state and it will be selected. For Texas for example hit the letter “T” twice on your keyboard to get to it. The same concept can be applied to any drop down box that is alphabetical or numerically sorted. Tip 4 Fixing spelling errors. All modern-day browsers support this now. You see the red wavy lines underscoring a word, yes it is a spelling error. How do you fix it? Don’t overtype it or try and fix it manually, fist right-click on it and a list of suggestions comes up. If it does not show up, like my name “Renso” and you know how to spell your name as in this example, look further down the list of options (the little window popup that appears when you right click) and you should see an option to “Add to Dictionary”. Be warned, when you add it, it only adds it to the browser you’re using’s dictionary. If you use Google Chrome, Firefox and IE, each one will have their own list. Tip 5 So you have trouble seeing the text on the screen. Or you are looking at a photo, for example in Facebook. You want to zoom in to read better or zoom into a photo a bit more. Hit Ctrl++ (hold down Ctrl key and hit the plus key – actually it’s the equal key but it is easier to remember that it is plus for bigger). Hit the minus to zoom out. Now you can’t remember what the original size was since you were so excited to hit it 20 times, or was that 21… Simply hit Ctrl+0 (that is zero) and it will reset it to the default. Tip 6 So you closed a couple of tabs in your browser. Suddenly you remember something you wanted to double-check something on one of the tabs, you cannot remember the URL ad the tab is gone forever, or is it? Simply hit Ctrl+Shift+t and it will bring back your tabs one by one each time you click the T. This has also been a great way for me to quickly close some tabs because I don’t want my boss to see I’m shopping and then hitting Ctrl+Shift+t to quickly get it back and complete my check-put and purchase. Or, for parents, when you walk into your daughter’s room and you see she quickly clicks and closes a window/tab in here browser. Not to worry my little darling, daddy will Ctrl+Shift+t and see what boys on Facebook you were talking too… Tip 7 The web browser is frozen on your PC/Laptop/Whatever, in this example it may be your Internet Explorer browser. I don’t mention Firefox or Chrome here because it probably never happens in their world. You cannot close it, it won’t respond to anything you have done s far except for the next step you are about to take, which is throw your two-day old coffee on your keyboard. This happens especially on sites that want to force you to complete a purchase order. Hit Ctrl+Alt+Del on your keyboard on any version of windows, select TASK MANAGER. In the  First Tab, which is the Process Tab, look for the item in question. In this example you should see Internet Explorer. Right-click it and select “End Task”. It will force the thread out of memory and terminate that process. You can of course do this with any program running under your account. Tip 8 This is a personal favorite of mine. To select words in the paragraph without using the mouse. You don’t want to select one character at a time like when you use the Ctrl+arrows as it can be very slow if you want to select a lot of text. You also want to select whole words. Simply use the Ctrl+Shift_arrow (right or left depending which direction you want to go. Tip 9 I was a bit reluctant to add this one, but being in the professional services industry still come across many-a-folk that simply can’t copy-and-paste them-all text or images that reside on them screens, y’all. Ctrl+c to copy and Ctrl+v to paste it. Works a lot faster than using the mouse. You may be asking: “Well why in the devil did they not use Ctrl+p for paste…. because that is for printing. This is of course not limited to the browser world, it applies to almost any piece of software running on PC or Mac. Go try it on an image on your browser, right-click it and select copy. Open a word document and Ctrl+v to paste the image in there. Please consider copyright laws. Tip 10 Getting rid of annoying ads. Now this only works when you load a web page, meaning when you get back to the same page later you will have to do this again and you will need to learn a tool to do it, WELL WORTH IT. For example, I use GrooveShark to listen to music but I don’t like the ads they show. Install a tool like Firebug for Firefox or use the Ctrl+Shift+I on Chrome to bring up the developer toolbar. Shows at the bottom of the page. With Firefox, once you have installed Firebug as an add-on, a yellow bug should appear on the top right-hand-side of your browser, click on it to display the developer toolbar. You will need to learn how to use it, but once you know how to select an item/section on the window (usually just right-click the add you don’t want to see and select “Inspect Element”, the developer toolbar will appear (if not already there)) and then simply hit delete and it will remove the add from the screen. If you don’t know HTML you may need to play with it a bit, but once you understand how it works can open up a whole new world for you on how web pages actually work. If you can think of any others that have saved you a ton of time please let me know so I can add them to a top 99 list.

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  • Setting up Red Hat Enterprise Linux Server as a mail exchange server

    - by Syedur
    I am a Unix/Linux/Windows Server noob. So, keep that in mind before you throw your stones at my glass house. :P I have a Windows Server 2008 R2 machine that's acting as domain controller, Server A. It's also running a DNS server. I have a Red Hat Enterprise Linux Server 5.3, Server B that is intended for mail server. In order for the mail delivery to happen, I understand that I have to set an MX record on Server A and point it to Server B. Well, I did. I manually added a host name on Server A and pointed to Server B's IP address. Then I added an MX record and pointed it to the host name. That didn't do the trick. After taking the above steps, I used the "dig" command on Server B to lookup the MX record coming back from Server A and it wasn't what I was expecting. What am I doing wrong here? I have noticed that... my Windows machines that are joined to the domain (Server A) are listed under the host names. The machines that are not joined to the domain are not list. This is fine, I am not worried about this. What does concern me, do I have to join the Server B to domain in order for Server A to recognize as a valid host and forward the MX properly? If so, some simple steps on how to join Server B to the domain would also help.

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  • Steps to Mitigate Database Security Worst Practices

    - by Troy Kitch
    The recent Top 6 Database Security Worst Practices webcast revealed the Top 6, and a bonus 7th , database security worst practices: Privileged user "all access pass" Allow application bypass Minimal and inconsistent monitoring/auditing Not securing application data from OS-level user No SQL injection defense Sensitive data in non-production environments Not securing complete database environment These practices are uncovered in the 2010 IOUG Data Security Survey. As part of the webcast we looked at each one of these practices and how you can mitigate them with the Oracle Defense-in-Depth approach to database security. There's a lot of additional information to glean from the webcast, so I encourage you to check it out here and see how your organization measures up.

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  • Top 31 Favorite Features in Windows Server 2012

    - by KeithMayer
    Over the past month, my fellow IT Pro Technical Evangelists and I have authored a series of articles about our Top 31 Favorite Features in Windows Server 2012.  Now that our series is complete, I’m providing a clickable index below of all of the articles in the series for your convenience, just in case you perhaps missed any of them when they were first released.  Hope you enjoy our Favorite Features in Windows Server 2012! Top 31 Favorite Features in Windows Server 2012 The Cloud OS Platform by Kevin Remde Server Manager in Windows Server 2012 by Brian Lewis Feel the Power of PowerShell 3.0 by Matt Hester Live Migrate Your VMS in One Line of PowerShell by Keith Mayer Windows Server 2012 and Hyper-V Replica by Kevin Remde Right-size IT Budgets with “Storage Spaces” by Keith Mayer Yes, there is an “I” in Team – the NIC Team! by Kevin Remde Hyper-V Network Virtualization by Keith Mayer Get Happy over the FREE Hyper-V Server 2012 by Matt Hester Simplified BranchCache in Windows Server 2012 by Brian Lewis Getting Snippy with PowerShell 3.0 by Matt Hester How to Get Unbelievable Data Deduplication Results by Chris Henley of Veeam Simplified VDI Configuration and Management by Brian Lewis Taming the New Task Manager by Keith Mayer Improve File Server Resiliency with ReFS by Keith Mayer Simplified DirectAccess by Sumeeth Evans SMB 3.0 – The Glue in Windows Server 2012 by Matt Hester Continuously Available File Shares by Steven Murawski of Edgenet Server Core - Improved Taste, Less Filling, More Uptime by Keith Mayer Extend Your Hyper-V Virtual Switch by Kevin Remde To NIC or to Not NIC Hardware Requirements by Brian Lewis Simplified Licensing and Server Versions by Kevin Remde I Think, Therefore IPAM! by Kevin Remde Windows Server 2012 and the RSATs by Kevin Remde Top 3 New Tricks in the Active Directory Admin Center by Keith Mayer Dynamic Access Control by Brian Lewis Get the Gremlin out of Your Active Directory Virtualized Infrastructure by Matt Hester Scoping out the New DHCP Failover by Keith Mayer Gone in 8 Seconds – The New CHKDSK by Matt Hester New Remote Desktop Services (RDS) by Brian Lewis No Better Time Than Now to Choose Hyper-V by Matt Hester What’s Next? Keep Learning! Want to learn more about Windows Server 2012 and Hyper-V Server 2012?  Want to prepare for certification on Windows Server 2012? Do It: Join our Windows Server 2012 “Early Experts” Challenge online peer study group for FREE at http://earlyexperts.net. You’ll get FREE access to video-based lectures, structured study materials and hands-on lab activities to help you study and prepare!  Along the way, you’ll be part of an IT Pro community of over 1,000+ IT Pros that are all helping each other learn Windows Server 2012! What are Your Favorite Features? Do you have a Favorite Feature in Windows Server 2012 that we missed in our list above?  Feel free to share your favorites in the comments below! Keith Build Your Lab! Download Windows Server 2012 Don’t Have a Lab? Build Your Lab in the Cloud with Windows Azure Virtual Machines Want to Get Certified? Join our Windows Server 2012 "Early Experts" Study Group

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  • Top 4 Lame Tech Blogging Posts

    - by jkauffman
    From a consumption point of view, tech blogging is a great resource for one-off articles on niche subjects. If you spend any time reading tech blogs, you may find yourself running into several common, useless types of posts tech bloggers slip into. Some of these lame posts may just be natural due to common nerd psychology, and some others are probably due to lame, lemming-like laziness. I’m sure I’ll do my fair share of fitting the mold, but I quickly get bored when I happen upon posts that hit these patterns without any real purpose or personal touches. 1. The Content Regurgitation Posts This is a common pattern fueled by the starving pan-handlers in the web traffic economy. These are posts that are terse opinions or addendums to an existing post. I commonly see these involve huge block quotes from the linked article which almost always produces over 50% of the post itself. I’ve accidentally gone to these posts when I’m knowingly only interested in the source material. Web links can degrade as well, so if the source link is broken, then, well, I’m pretty steamed. I see this occur with simple opinions on technologies, Stack Overflow solutions, or various tech news like posts from Microsoft. It’s not uncommon to go to the linked article and see the author announce that he “added a blog post” as a response or summary of the topic. This is just rude, but those who do it are probably aware of this. It’s a matter of winning that sweet, juicy web traffic. I doubt this leeching is fooling anybody these days. I would like to rally human dignity and urge people to avoid these types of posts, and just leave a comment on the source material. 2. The “Sorry I Haven’t Posted In A While” Posts This one is far too common. You’ll most likely see this quote somewhere in the body of the offending post: I have been really busy. If the poster is especially guilt-ridden, you’ll see a few volleys of excuses. Here are some common reasons I’ve seen, which I’ll list from least to most painfully awkward. Out of town Vague allusions to personal health problems (these typically includes phrases like “sick”, “treatment'”, and “all better now!”) “Personal issues” (which I usually read as "divorce”) Graphic or specific personal health problems (maximum awkwardness potential is achieved if you see links to charity fund websites) I can’t help but to try over-analyzing why this occurs. Personally, I see this an an amalgamation of three plain factors: Life happens Us nerds are duty-driven, and driven to guilt at personal inefficiencies Tech blogs can become personal journals I don’t think we can do much about the first two, but on the third I think we could certainly contain our urges. I’m a pretty boring guy and, whether or I like it or not, I have an unspoken duty to protect the world from hearing about my unremarkable existence. Nobody cares what kind of sandwich I’m eating. Similarly, if I disappear for a while, it’s unlikely that anybody who happens upon my blog would care why. Rest assured, if I stop posting for a while due to a vasectomy, you will be the first to know. 3. The “At A Conference”, or “Conference Review” Posts I don’t know if I’m like everyone else on this one, but I have never been successfully interested in these posts. It even sounds like a good idea: if I can’t make it to a particular conference (like the KCDC this year), wouldn’t I be interested in a concentrated summary of events? Apparently, no! Within this realm, I’ve never read a post by a blogger that held my interest. What really baffles is is that, for whatever reason, I am genuinely engaged and interested when talking to someone in person regarding the same topic. I have noticed the same phenomenon when hearing about others’ vacations. If someone sends me an email about their vacation, I gloss over it and forget about it quickly. In contrast, if I’m speaking to that individual in person about their vacation, I’m actually interested. I’m unsure why the written medium eradicates the intrigue. I was raised by a roaming pack of friendly wild video games, so that may be a factor. 4. The “Top X Number of Y’s That Z” Posts I’ve seen this one crop up a lot more in the past few of years. Here are some fabricated examples: 5 Easy Ways to Improve Your Code Top 7 Good Habits Programmers Learn From Experience The 8 Things to Consider When Giving Estimates Top 4 Lame Tech Blogging Posts These are attention-grabbing headlines, and I’d assume they rack up hits. In fact, I enjoy a good number of these. But, I’ve been drawn to articles like this just to find an endless list of identically formatted posts on the blog’s archive sidebar. Often times these posts have overlapping topics, too. These types of posts give the impression that the author has given thought to prioritize and organize the points as a result of a comprehensive consideration of a particular topic. Did the author really weigh all the possibilities when identifying the “Top 4 Lame Tech Blogging Patterns”? Unfortunately, probably not. What a tool. To reiterate, I still enjoy the format, but I feel it is abused. Nowadays, I’m pretty skeptical when approaching posts in this format. If these trends continue, my brain will filter these blog posts out just as effectively as it ignores the encroaching “do xxx with this one trick” advertisements. Conclusion To active blog readers, I hope my guide has served you precious time in being able to identify lame blog posts at a glance. Save time and energy by skipping over the chaff of the internet! And if you author a blog, perhaps my insight will help you to avoid the occasional urge to produce these needless filler posts.

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  • Steve Jobs élu CEO le plus influent du monde, d'après le top 30 annuel de Barrons

    Steve Jobs élu CEO le plus influent du monde, d'après le top 30 annuel de Barrons Comme chaque année, le magazine financier Barrons publie son top 30 des patrons les plus influents. Et, à son avis, le CEO qui apporte le plus de valeur à son entreprise est Steve Jobs. Le dirigeant d'Apple mène donc le classement. Son nom vaudrait même 25 milliards de dollars ! «Quand il a un souci de santé, l'action Apple tremble», explique le magazine. Steve Jobs aurait même l'aura d'une divinité pour certains, tant ses présentations sont mythiques. L'homme agace ou fascine, mais il ne laisse pas indifférent. Ses détracteurs le disent capable "de faire passer un grille-pain pour la 8e merveille du monde et de persuader les fidè...

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  • Open Source Survey: Oracle Products on Top

    - by trond-arne.undheim
    Oracle continues to work with the open source community to bring the most innovative and productive software to market (more). Oracle products received the most votes in several key categories of the 2010 Linux Journal Reader's Choice Awards. With over 12,000 technologists reporting, these product earned top spots: Best Office Suite: OpenOffice.org Best Single Office Program: OpenOffice.org Writer Best Database: MySQL Best Virtualization Solution: VirtualBox "As the leading open source technology and service provider, Oracle continues to work with the community stakeholders to rapidly innovate many open source products for use in fully tested production environments," says Edward Screven, Oracle's chief corporate architect. "Supporting open source is important to Oracle and our customers, and we continue to invest in it." According to a recent report by the Linux Foundation, Oracle is one of the top ten contributors to the Linux Kernel. Oracle also contributes millions of lines of code to these important projects: OpenJDK: 7,002,579 Eclipse: 1,800,000 (#3 in active committers) MySQL: 5,073,113 NetBeans: 7,870,446 JSF: 701,980 Apache MyFaces Trinidad: 1,316,840 Hudson: 1,209,779 OpenOffice.org: 7,500,000

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  • Silverlight Cream Top Posted Authors June to November, 2010

    - by Dave Campbell
    It's just past the first of December, but I've been busy and it's now time to recognize devs that have a large number of posts in Silverlight Cream. Ground Rules I pick what posts are on the blog Only posts that go in the database are included The author has to appear in SC at least 4 of the 6 months considered I averaged the monthly posts and am only showing Authors with an average greater than 1. Here are the Top Posted Authors at Silverlight Cream for June 1, 2010 through November 30, 2010: It is my intention to post a new list sometime shortly after the 1st of every month to recognize the top posted in the previous 6 months, so next up is January 1! Some other metrics for Silverlight Cream: At the time of this posting there are 7087 articles aggregated and searchable by partial Author, partial Title, keywords (in the synopsis), or partial URL. There are also 116 tags by which the articles can be searched. At the time of this posting there are 664 articles tagged wp7dev. Stay in the 'Light!

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  • Coordinates on the top left corner or center of the tile

    - by soimon
    I'm setting up a tile system where every tile has x and y coordinates. Right now I assume that the top left corner of the tile is positioned on it's coordinate on the screen, x = tileX * tileWidth and y = tileY x tileWidth. However, it seems strange that the tile with coordinate (0, 0) is completely drawn in the 'positive' side of the coordinate system as opposed to in the center of the origin. Is it common practice to assume that a coordinate lays in the center of a tile or at the top left corner of a tile? So basically x = tileX x tileWidth or x = tileX x tilewidth - ( tileWidth / 2 )?

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  • ArchBeat Facebook Friday: Top 10 Posts - August 8-14, 2014

    - by Bob Rhubart-Oracle
    5,307 people pay attention to the OTN ArchBeat Facebook Page. Here are the Top 10 posts from that page for the last seven days, August 8-14, 2014. Podcast: ODTUG Kscope 2014: Anatomy of a User Conference - Part 3 There is more to a great user conference than a shared interest in Oracle products. In the final segment of this 3-part OTN ArchBeat Podcast panelists Danny Bryant , Chet "ORACLENERD" Justice, Cameron Lackpour, Debra Lilley, and Mike Riley discuss the nature and importance of community Oracle SOA Suite 12c: The LDAP Adapter quick and easy | Maarten Smeets Maarten Smeets' how-to post describes the installation and configuration of an LDAP server and browser (ApacheDS and Apache Directory Studio). Process level Exception Handling in BPM12c | Abhishek Mittal When an exception occurs while running a process flow you have two choices: 1) retry running the flow object that caused that process flow or 2) move the process instance to the next flow object in the main process flow. Abhishek Mittal shows you how to do both. Building a Responsive WebCenter Portal Application | JayJay Zheng Oracle ACE JayJay Zheng's article addresses the essentials of responsive web design, shows you how to design and develop a responsive WebCenter Portal application, and reviews key development considerations. Cloud Control authorization with Active Directory | Jeroen Gouma Jeroen Gouma takes you step-by-step through the user authortization process in Oracle Enterprise Manager Cloud Control 12c. Video: CIOs Guide to Oracle Products and Solutions | Jessica Keyes The CIO's Guide to Oracle Products and Solutions author Jessica Keyes talks about why input from users and developers is essential to CIOs who want to avoid being escorted out of the building by security guards. Read A CIO's Guide to Oracle Cloud Computing, a sample chapter from the book. Twitter Tuesday - Top 10 @ArchBeat Tweets - August 5-11, 2014 @OTNArchBeat followers from across the galaxy have spoken! Here are the Top 10 tweets for the past seven days. Topics include: Hyperion, OBIEE, ODI, Oracle MAF, and SOA Suite. Recap: Fusion Middleware Summer Camps - Lisbon 2014 | Simon Haslam Oracle ACE Director Simon Haslam's recap of his experience at the Oracle Fusion Middleware Summer Camp in Lisbon, Portugal will make you wish you had been there. WebLogic Data Source Connection Labeling | Steve Felts The connection labeling feature was added in WLS release 10.3.6, and enhanced in release WLS 12.1.3. This post by Steve Felts describes two new connection properties that can be configured on the data source descriptor. Why Mobile Apps <3 REST/JSON | Martin Jarvis Martin Jarvis explores the preference for REST and JSON over SOAP and XML for mobile web services.

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