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• Mapping tomcat apache worker

  - by metamorpheus

  I am running an Apache2 server connected with Tomcat5.5 Workers.properties workers.tomcat_home=/usr/share/tomcat5.5 workers.java_home=/usr/lib/jvm/java-6-sun ps=/ worker.list=worker1 worker.worker1.port=8009 worker.worker1.host=127.0.0.1 worker.worker1.type=ajp13 worker.worker1.lbfactor=1 The JkMount is defined as follows LoadModule jk_module /usr/lib/apache2/modules/mod_jk.so JkWorkersFile /etc/apache2/workers.properties JkLogFile /var/log/apache2/mod_jk.log JkLogLevel debug JkLogStampFormat "[%a %b %d %H:%M:%S %Y] " JkMount /jsp-examples worker1 JkMount /jsp-examples/* worker1 JkMount /servlets-examples worker1 JkMount /servlets-examples/* worker1 JkMount /tcontainer worker1 JkMount /tcontainer/* worker1 If i call 127.0.0.1/servlets-examples, i get the examples displayed and executed correctly. If i call [same server as above]/tcontainer, i get the following error: The requested resource (/tcontainer) is not available. (this is an error provided by tomcat5.5) How can i define where to get the sources? i have a configuration file in /usr/share/tomcat-5.5-webapps/tcontainer.xml: <Context path="/tcontainer" docBase="/var/www/web96/html/tcontainer" debug="0" privileged="true" allowLinking="true"> </Context> What did i forget to configure or what is wrong with my definitions? Thanks

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• What's the quickest way to install Windows 7?

  - by SaultDon

  I am wondering what the quickest/fastest way to install Windows 7 would be? I've read that you can make a bootable USB with unetbootin, or load the ISO contents to a separate partition/hard-drive and boot from there to install. Then I seen a method using imagex to copy the files needed onto a new partition which can be booted from directly, it takes ~7 minutes + ~5 min for the initial boot... I haven't tried it yet but would like to know if anyone knows of anything faster? If you could provide some instructions (step by step) would be great! The imagex method provides a good tutorial for example.

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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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• Running Windows 8 Consumer Preview to Pro

  - by elvispt

  Currently I have Windows 8 Consumer Preview installed I tried running the Windows 8 Upgrade Assistant, and it tells me, after checking for compatibility, that I can buy Windows 8 Pro for 29.99euros. Will I have any issues with this? Will I be able to perform a clean install from the downloaded file? I heard that I could not get Windows 8 Pro at this price, only If I had Windows 7 installed. The bottom line is, what kind of issues can I expect if I decide to go down this path? Will it ask me later for a key of Windows 7 to validate? Thanks.

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• pecl_http extension not loading

  - by Tegan Snyder

  For some reason pecl_http extension is not showing up in my test.php file with contains: <?php phpinfo(); ?> I just installed pecl_http using: pecl install pecl_http The install was successful and I verified it by running: pecl list Installed packages, channel pecl.php.net: ========================================= Package Version State mongo 1.2.10 stable pecl_http 1.7.4 stable I then located my php.ini file using: php -i | grep 'Configuration File' Configuration File (php.ini) Path => /etc/php5/cli Loaded Configuration File => /etc/php5/cli/php.ini I edited it in vim and added: extension=http.so Finally I restarted Nginx and PHP-FastCGI: /etc/init.d/nginx restart /etc/init.d/php-fastcgi stop /etc/init.d/php-fastcgi start My PHP extension_dir is : /usr/lib/php5/20090626 I verified that "http.so" is located in that directory. Any ideas why it's not loading? My machine is running a Ubuntu 10.04 LTS 64bit Profile on Linode. The only other extensions I have installed are New Relic and Mongo. Thanks!

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• De-index URL parameters by value

  - by Doug Firr

  Upon reading over this question is lengthy so allow me to provide a one sentence summary: I need to get Google to de-index URLs that have parameters with certain values appended I have a website example.com with language translations. There used to be many translations but I deleted them all so that only English (Default) and French options remain. When one selects a language option a parameter is aded to the URL. For example, the home page: https://example.com (default) https://example.com/main?l=fr_FR (French) I added a robots.txt to stop Google from crawling any of the language translations: # robots.txt generated at http://www.mcanerin.com User-agent: * Disallow: Disallow: /cgi-bin/ Disallow: /*?l= So any pages containing "?l=" should not be crawled. I checked in GWT using the robots testing tool. It works. But under html improvements the previously crawled language translation URLs remain indexed. The internet says to add a 404 to the header of the removed URLs so the Googles knows to de-index it. I checked to see what my CMS would throw up if I visited one of the URLs that should no longer exist. This URL was listed in GWT under duplicate title tags (One of the reasons I want to scrub up my URLS) https://example.com/reports/view/884?l=vi_VN&l=hy_AM This URL should not exist - I removed the language translations. The page loads when it should not! I played around. I typed example.com?whatever123 It seems that parameters always load as long as everything before the question mark is a real URL. So if Google has indexed all these URLS with parameters how do I remove them? I cannot check if a 404 is being generated because the page always loads because it's a parameter that needs to be de-indexed.

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• Slow internet using Arch Linux

  - by GZaidman

  after a week or so of using Arch Linux I cant access the internet - it takes around 5 mins to load google (most of the other websites just give me a timeout), pacman's downloading speed range between 5-2Kbs, and pinging google takes around 9Kms. I'm connected using wireless network (wifi card is Intel Ultimate 6300 and router is Edimax 6524n). Every other Windows machine that's connected to the network (and even the T410 running Windows) is fine, so the problem lies in Linux. So far, i checked the resolv.conf file (my router ip address is listed), and the hosts file (pretty much default), and I disabled the ipv6 module. None of that helped. PS: i'm using NetworkManager (but the problem still occurs when connecting using wicd) running on Gnome3. Thanks in advance for any help you can provide! EDIT: something really strange happens whenever I ping google: i get an unknown host 'google.com', but the bit rate from the card jumps at the exact second I ping google (so far, the bit rate jumped to 54Mb/s from 1Mb/s over the course of 4 pings).

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• Proper procedure - sftp access to www folder - To be able to upload files

  - by Jay

  My www folder is root:root. What should it be? My site works perfectly but maybe I am doing something wrong. My nginx.conf says user is 'nginx'. Should I be changing the www onwership and group to that or something else? Mainly I want to be able to sftp into the www folder using FileZilla. Preferably only allow access to the www folder. I want to be able to upload the website files but I just don't know the proper procedure. I have tried changing owners and groups but I get worried some part of the stack will not like it. For example does nginx play along, and php? I thought about having a sftp group or even an sftp user. But I don't want to go down a path that should be avoided. What should I be doing with my setup?

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• Ralink RT3060 wireless device configuration on ubuntu 12.04

  - by Stephan

  concerning How do I get a Ralink RT3060 wireless card working? I'm running Ubuntu 12.04 with a 'LWPX07 Edimax EW-7711In 150M 1T1R WL PCI Card' which has a rt3060 chip. Out of the box the card is recognized as rt2800sta. I tried solution one, that didn't work. Still the card connects to the wireless network, but it seems to slow to load any pages. Then I tried solution 2, but then the network-manager doesn't see any wireless device. $ iwconfig lo no wireless extensions. ra0 Ralink STA Link Quality:0 Signal level:0 Noise level:0 Rx invalid nwid:0 invalid crypt:0 invalid misc:0 eth0 no wireless extensions. $ lsmod Module Size Used by rt3562sta 882296 0 $ lspci -v 05:02.0 Network controller: Ralink corp. RT3060 Wireless 802.11n 1T/1R Subsystem: Edimax Computer Co. Device 7711 Flags: bus master, slow devsel, latency 64, IRQ 23 Memory at ff9f0000 (32-bit, non-prefetchable) [size=64K] Capabilities: <access denied> Kernel driver in use: rt2860 Kernel modules: rt3562sta, rt2800pci Am I missing a configuration step? How do I tell the network card which driver to use? Thanks in advance Stephan I found the problem. As described in stevens blog http://steveswinsburg.wordpress.com/2011/03/12/how-to-install-a-d-link-dwa-525-wireless-network-card-in-ubuntu-10-04/ sudo su make && make install "You need to use ‘sudo su’ and not just ‘sudo’ so it creates the directories properly." That is the problem with the solution describe above.

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• Mandatory Profiles on a Server 2003 TS Box

  - by Chloe

  I have a Windows Server 2003 box which will be acting as a terminal server. It will actually be running Citrix, but I don't believe that to be relevant here. There has been a request for every user to use a single mandatory profile. I've used mandatory profiles before, but there have been generally different profiles for different users so I've always used the "Terminal Services Profile" tab to good effect. What I'd like this time is a single setting, such as a Group Policy or similar that simply forces every non-domain admin user logging on to the box into using the mandatory profile. We'll be using Folder Redirection to take care of everything else. I'm aware of the following GPO: Computer Policy\Computer Configuration\Administrative Templates\Windows Components/Terminal Services Set path for TS Roaming Profiles But, as that's a computer policy, will it not apply to all users including administrators? If so, is it possible to exclude admins somehow?

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• How to run MS C++ 6.0 on Windows 7

  - by hotei

  I have MS Windows C++ version 6.0 on XP. I'd like to move it to a Windows 7 platform but when I try to install it there I get some garbage about it not being compatible, proceed at your own risk etc. When I proceed, it (not surprisingly) doesn't work. Is there a way to convince these Microsoft tools to play nice with each other? I have Win7 home edition, but I would be willing to upgrade to Win7 Pro IF I knew it would work under the "XP emulation" mode. Failing both those options, what is the least expensive "upgrade" path for C++? I don't need a bunch of other junk, just the C++ compiler. The goal is to retire my XP system since currently the only reason I keep it is to compile C++ programs that eventually are run under Win7. Thanks, Hotei

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• Get Started using Build-Deploy-Test Workflow with TFS 2012

  - by Jakob Ehn

  TFS 2012 introduces a new type of Lab environment called Standard Environment. This allows you to setup a full Build Deploy Test (BDT) workflow that will build your application, deploy it to your target machine(s) and then run a set of tests on that server to verify the deployment. In TFS 2010, you had to use System Center Virtual Machine Manager and involve half of your IT department to get going. Now all you need is a server (virtual or physical) where you want to deploy and test your application. You don’t even have to install a test agent on the machine, TFS 2012 will do this for you! Although each step is rather simple, the entire process of setting it up consists of a bunch of steps. So I thought that it could be useful to run through a typical setup.I will also link to some good guidance from MSDN on each topic. High Level Steps Install and configure Visual Studio 2012 Test Controller on Target Server Create Standard Environment Create Test Plan with Test Case Run Test Case Create Coded UI Test from Test Case Associate Coded UI Test with Test Case Create Build Definition using LabDefaultTemplate 1. Install and Configure Visual Studio 2012 Test Controller on Target Server First of all, note that you do not have to have the Test Controller running on the target server. It can be running on another server, as long as the Test Agent can communicate with the test controller and the test controller can communicate with the TFS server. If you have several machines in your environment (web server, database server etc..), the test controller can be installed either on one of those machines or on a dedicated machine. To install the test controller, simply mount the Visual Studio Agents media on the server and browse to the vstf_controller.exe file located in the TestController folder. Run through the installation, you might need to reboot the server since it installs .NET 4.5. When the test controller is installed, the Test Controller configuration tool will launch automatically (if it doesn’t, you can start it from the Start menu). Here you will supply the credentials of the account running the test controller service. Note that this account will be given the necessary permissions in TFS during the configuration. Make sure that you have entered a valid account by pressing the Test link. Also, you have to register the test controller with the TFS collection where your test plan is located (and usually the code base of course) When you press Apply Settings, all the configuration will be done. You might get some warnings at the end, that might or might not cause a problem later. Be sure to read them carefully.   For more information about configuring your test controllers, see Setting Up Test Controllers and Test Agents to Manage Tests with Visual Studio 2. Create Standard Environment Now you need to create a Lab environment in Microsoft Test Manager. Since we are using an existing physical or virtual machine we will create a Standard Environment. Open MTM and go to Lab Center. Click New to create a new environment Enter a name for the environment. Since this environment will only contain one machine, we will use the machine name for the environment (TargetServer in this case) On the next page, click Add to add a machine to the environment. Enter the name of the machine (TargetServer.Domain.Com), and give it the Web Server role. The name must be reachable both from your machine during configuration and from the TFS app tier server. You also need to supply an account that is a local administration on the target server. This is needed in order to automatically install a test agent later on the machine. On the next page, you can add tags to the machine. This is not needed in this scenario so go to the next page. Here you will specify which test controller to use and that you want to run UI tests on this environment. This will in result in a Test Agent being automatically installed and configured on the target server. The name of the machine where you installed the test controller should be available on the drop down list (TargetServer in this sample). If you can’t see it, you might have selected a different TFS project collection. Press Next twice and then Verify to verify all the settings: Press finish. This will now create and prepare the environment, which means that it will remote install a test agent on the machine. As part of this installation, the remote server will be restarted. 3-5. Create Test Plan, Run Test Case, Create Coded UI Test I will not cover step 3-5 here, there are plenty of information on how you create test plans and test cases and automate them using Coded UI Tests. In this example I have a test plan called My Application and it contains among other things a test suite called Automated Tests where I plan to put test cases that should be automated and executed as part of the BDT workflow. For more information about Coded UI Tests, see Verifying Code by Using Coded User Interface Tests   6. Associate Coded UI Test with Test Case OK, so now we want to automate our Coded UI Test and have it run as part of the BDT workflow. You might think that you coded UI test already is automated, but the meaning of the term here is that you link your coded UI Test to an existing Test Case, thereby making the Test Case automated. And the test case should be part of the test suite that we will run during the BDT. Open the solution that contains the coded UI test method. Open the Test Case work item that you want to automate. Go to the Associated Automation tab and click on the “…” button. Select the coded UI test that you corresponds to the test case: Press OK and the save the test case For more information about associating an automated test case with a test case, see How to: Associate an Automated Test with a Test Case 7. Create Build Definition using LabDefaultTemplate Now we are ready to create a build definition that will implement the full BDT workflow. For this purpose we will use the LabDefaultTemplate.11.xaml that comes out of the box in TFS 2012. This build process template lets you take the output of another build and deploy it to each target machine. Since the deployment process will be running on the target server, you will have less problem with permissions and firewalls than if you were to remote deploy your solution. So, before creating a BDT workflow build definition, make sure that you have an existing build definition that produces a release build of your application. Go to the Builds hub in Team Explorer and select New Build Definition Give the build definition a meaningful name, here I called it MyApplication.Deploy Set the trigger to Manual Define a workspace for the build definition. Note that a BDT build doesn’t really need a workspace, since all it does is to launch another build definition and deploy the output of that build. But TFS doesn’t allow you to save a build definition without adding at least one mapping. On Build Defaults, select the build controller. Since this build actually won’t produce any output, you can select the “This build does not copy output files to a drop folder” option. On the process tab, select the LabDefaultTemplate.11.xaml. This is usually located at $/TeamProject/BuildProcessTemplates/LabDefaultTemplate.11.xaml. To configure it, press the … button on the Lab Process Settings property First, select the environment that you created before: Select which build that you want to deploy and test. The “Select an existing build” option is very useful when developing the BDT workflow, because you do not have to run through the target build every time, instead it will basically just run through the deployment and test steps which speeds up the process. Here I have selected to queue a new build of the MyApplication.Test build definition On the deploy tab, you need to specify how the application should be installed on the target server. You can supply a list of deployment scripts with arguments that will be executed on the target server. In this example I execute the generated web deploy command file to deploy the solution. If you for example have databases you can use sqlpackage.exe to deploy the database. If you are producing MSI installers in your build, you can run them using msiexec.exe and so on. A good practice is to create a batch file that contain the entire deployment that you can run both locally and on the target server. Then you would just execute the deployment batch file here in one single step. The workflow defines some variables that are useful when running the deployments. These variables are: $(BuildLocation) The full path to where your build files are located $(InternalComputerName_<VM Name>) The computer name for a virtual machine in a SCVMM environment $(ComputerName_<VM Name>) The fully qualified domain name of the virtual machine As you can see, I specify the path to the myapplication.deploy.cmd file using the $(BuildLocation) variable, which is the drop folder of the MyApplication.Test build. Note: The test agent account must have read permission in this drop location. You can find more information here on Building your Deployment Scripts On the last tab, we specify which tests to run after deployment. Here I select the test plan and the Automated Tests test suite that we saw before: Note that I also selected the automated test settings (called TargetServer in this case) that I have defined for my test plan. In here I define what data that should be collected as part of the test run. For more information about test settings, see Specifying Test Settings for Microsoft Test Manager Tests We are done! Queue your BDT build and wait for it to finish. If the build succeeds, your build summary should look something like this:

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• Laptop wakes from sleep, once, due to audio controller (Windows 7)

  - by stijn

  The laptop is a recent Dell XPS 15z and the problem is as follows (reproducible about 90% of tries): put laptop to sleep using either Start-Sleep or closing the lid laptop goes to sleep after about 5 seconds, but instantly wakes again showing a black screen (touching the keyboard or moving the mouse shows the login screen one normally gets after wake) login again, put laptop to sleep latop stays in sleep mode output of powercfg -lastwake after the first instant wake shows the audio controller is responsible. Why would that be, why only the first try, and how to fix this? Wake History Count - 1 Wake History [0] Wake Source Count - 1 Wake Source [0] Type: Device Instance Path: PCI\VEN_8086&DEV_1C20&SUBSYS_04461028&REV_05\3&11583659&0&D8 Friendly Name: Description: High Definition Audio Controller Manufacturer: Microsoft

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• Windows7 NFS with linux server

  - by Vitaly

  Hi. I have an Ubuntu server and want to access its web folder (/var/www). What I done: installed nfs-kernel-server, nfs-common and portmap (as in faq) Setted up /etc/exports: /var/www 192.168.1.0/255.255.255.0(rw,no_roow_squash,async,subtree_check) Then: sudo exportfs -ra Then: sudo /etc/init.d/nfs-kernle-server restart I checked, if all works on same machine: sudo 192.168.1.101:/var/www /mnt/test Then accessed /mnt/test and seen that all data present and all ok. Next, I tried to connect this folder to windows7 using NFS client: First, I checked, that linux exported path successfully: showmount -e 192.168.1.101 /var/www 192.168.1.0/255.255.255.0 All ok, go to mount: mount -o anon 192.168.1.101:/var/www z: Console said, that all success.. but. I cant access drive Z (drive exists in the system and point to right folder). When I try to access drive Z my Explorer just going to sleep and then say that timeout expired. Help me please.

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• Firefox "auto-complete" is very slow

  - by netvope

  Firefox version: 3.6 My places.sqlite is rather big (114MB, after being optimized by SpeedyFox.) If I turn on auto-complete, it may take 1 or 2 seconds for Firefox to accept a newly typed URL. To reproduce the issue: Type a URL into the URL bar, press enter. Nothing happens, and Firefox consumes 100% CPU (actually 50% of 2 cores) for 1 to 2 seconds Then Firefox start the network connection and load the webpage. Since it consumes 100% CPU, I don't think the bottleneck is the disk. I have some experience with SQLite and I know a 100MB DB is very small. To achieve the delay Firefox must be doing some expensive processing or inefficient queries. The issue does not appear if: auto-complete is turned off, or the URL is frequently used, or a new profile with no history is used Does anyone have any idea how to solve the problem? Should I file this as a bug? I don't want to give up my 100MB history, but I don't want to give up auto-complete either :)

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• mini linux to use dd and access HD and/or USB

  - by acidzombie24

  I was thinking about something. I want to install a 7gb partition and store 2 compress disk image and install linux to it. I want it to be light. What i would like to do is hide the grub loader (or anything) and if i want to reformat my PC press a certain key on startup. Which will then load the linux OS and then i can use dd to restore the partition i want I plan to use windows XP and windows 7 as my main OS and virtualize anything else i need (vista, dummy XP for testing, multiple linux distos, etc). Bonus points if you can tell me how to hide the partition in windows so XP and 7 cant touch it

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• Browser-based GUI for a python application

  - by ack__

  I want to create a web/browser-based GUI for a command-line python application. The goal is to make use of HTML/JS technologies to create this GUI. As the application itself, it needs to run on Linux and Windows, and the interface will be accessible only from localhost (not exposed to internet). The GUI will contain 5 to 10 pages. I don't want a traditional desktop GUI that includes HTML/JS, but just a bunch of html files and some kind of controller between those and the application. I also want to make use of asynchronous programming (ajax like) so I can load and print data in the GUI without refreshing the whole page. I'd probably use jQuery for that and a couple other things. How would you recommend to design this? Performance is not the key here, I'm rather looking at reliability, portability and simplicity. I'm thinking of using a lightweight python HTTP server / framework (like CherryPy) and maybe later a Python templating system (at the begining it will just be a couple pages). EDIT: I'm looking for ideas/recommendations how to build this, not for alternatives to browser/web-based GUI.

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• How to change controller numbering/enumeration in Solaris 10?

  - by Jim

  After moving a Solaris 10 server to a new machine, the rpool disk is now c1t0d0. We have some third party applications hard coded for c0t0d0. How can I change the controller enumeration on this machine? There is no longer a c0. I've tried rebuilding the /etc/path_to_inst, but the instance numbers don't seem to match up with the controller numbers. Also, it's not clear if i86pc platforms use this file. I've tried devfsadm -C to clear the dangling links, but I'm not sure how to cause devfsadm to start numbering from 0 again (or force certain devices in the tree to a specific controller number). Next I am going to try to create the symlinks manually in /dev/dsk and rdsk to point to the correct /devices. I feel like I am going way off path here. Any suggestions? Thanks

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• Top 5 Developer Enabling Nuggets in MySQL 5.6

  - by Rob Young

  MySQL 5.6 is truly a better MySQL and reflects Oracle's commitment to the evolution of the most popular and widelyused open source database on the planet.  The feature-complete 5.6 release candidate was announced at MySQL Connect in late September and the production-ready, generally available ("GA") product should be available in early 2013.  While the message around 5.6 has been focused mainly on mass appeal, advanced topics like performance/scale, high availability, and self-healing replication clusters, MySQL 5.6 also provides many developer-friendly nuggets that are designed to enable those who are building the next generation of web-based and embedded applications and services. Boiling down the 5.6 feature set into a smaller set, of simple, easy to use goodies designed with developer agility in mind, these things deserve a quick look:Subquery Optimizations Using semi-JOINs and late materialization, the MySQL 5.6 Optimizer delivers greatly improved subquery performance. Specifically, the optimizer is now more efficient in handling subqueries in the FROM clause; materialization of subqueries in the FROM clause is now postponed until their contents are needed during execution. Additionally, the optimizer may add an index to derived tables during execution to speed up row retrieval. Internal tests run using the DBT-3 benchmark Query #13, shown below, demonstrate an order of magnitude improvement in execution times (from days to seconds) over previous versions. select c_name, c_custkey, o_orderkey, o_orderdate, o_totalprice, sum(l_quantity)from customer, orders, lineitemwhere o_orderkey in (                select l_orderkey                from lineitem                group by l_orderkey                having sum(l_quantity) > 313  )  and c_custkey = o_custkey  and o_orderkey = l_orderkeygroup by c_name, c_custkey, o_orderkey, o_orderdate, o_totalpriceorder by o_totalprice desc, o_orderdateLIMIT 100;What does this mean for developers?  For starters, simplified subqueries can now be coded instead of complex joins for cross table lookups: SELECT title FROM film WHERE film_id IN (SELECT film_id FROM film_actor GROUP BY film_id HAVING count(*) > 12); And even more importantly subqueries embedded in packaged applications no longer need to be re-written into joins.  This is good news for both ISVs and their customers who have access to the underlying queries and who have spent development cycles writing, testing and maintaining their own versions of re-written queries across updated versions of a packaged app.The details are in the MySQL 5.6 docs. Online DDL OperationsToday's web-based applications are designed to rapidly evolve and adapt to meet business and revenue-generationrequirements. As a result, development SLAs are now most often measured in minutes vs days or weeks. For example, when an application must quickly support new product lines or new products within existing product lines, the backend database schema must adapt in kind, and most commonly while the application remains available for normal business operations.  MySQL 5.6 supports this level of online schema flexibility and agility by providing the following new ALTER TABLE online DDL syntax additions:  CREATE INDEX DROP INDEX Change AUTO_INCREMENT value for a column ADD/DROP FOREIGN KEY Rename COLUMN Change ROW FORMAT, KEY_BLOCK_SIZE for a table Change COLUMN NULL, NOT_NULL Add, drop, reorder COLUMN Again, the details are in the MySQL 5.6 docs. Key-value access to InnoDB via Memcached APIMany of the next generation of web, cloud, social and mobile applications require fast operations against simple Key/Value pairs. At the same time, they must retain the ability to run complex queries against the same data, as well as ensure the data is protected with ACID guarantees. With the new NoSQL API for InnoDB, developers have allthe benefits of a transactional RDBMS, coupled with the performance capabilities of Key/Value store.MySQL 5.6 provides simple, key-value interaction with InnoDB data via the familiar Memcached API.  Implemented via a new Memcached daemon plug-in to mysqld, the new Memcached protocol is mapped directly to the native InnoDB API and enables developers to use existing Memcached clients to bypass the expense of query parsing and go directly to InnoDB data for lookups and transactional compliant updates.  The API makes it possible to re-use standard Memcached libraries and clients, while extending Memcached functionality by integrating a persistent, crash-safe, transactional database back-end.  The implementation is shown here:So does this option provide a performance benefit over SQL?  Internal performance benchmarks using a customized Java application and test harness show some very promising results with a 9X improvement in overall throughput for SET/INSERT operations:You can follow the InnoDB team blog for the methodology, implementation and internal test cases that generated these results here. How to get started with Memcached API to InnoDB is here. New Instrumentation in Performance SchemaThe MySQL Performance Schema was introduced in MySQL 5.5 and is designed to provide point in time metrics for key performance indicators.  MySQL 5.6 improves the Performance Schema in answer to the most common DBA and Developer problems.  New instrumentations include: Statements/Stages What are my most resource intensive queries? Where do they spend time? Table/Index I/O, Table Locks Which application tables/indexes cause the most load or contention? Users/Hosts/Accounts Which application users, hosts, accounts are consuming the most resources? Network I/O What is the network load like? How long do sessions idle? Summaries Aggregated statistics grouped by statement, thread, user, host, account or object. The MySQL 5.6 Performance Schema is now enabled by default in the my.cnf file with optimized and auto-tune settings that minimize overhead (< 5%, but mileage will vary), so using the Performance Schema ona production server to monitor the most common application use cases is less of an issue.  In addition, new atomic levels of instrumentation enable the capture of granular levels of resource consumption by users, hosts, accounts, applications, etc. for billing and chargeback purposes in cloud computing environments.The MySQL docs are an excellent resource for all that is available and that can be done with the 5.6 Performance Schema. Better Condition Handling - GET DIAGNOSTICSMySQL 5.6 enables developers to easily check for error conditions and code for exceptions by introducing the new MySQL Diagnostics Area and corresponding GET DIAGNOSTICS interface command. The Diagnostic Area can be populated via multiple options and provides 2 kinds of information:Statement - which provides affected row count and number of conditions that occurredCondition - which provides error codes and messages for all conditions that were returned by a previous operation The addressable items for each are: The new GET DIAGNOSTICS command provides a standard interface into the Diagnostics Area and can be used via the CLI or from within application code to easily retrieve and handle the results of the most recent statement execution.  An example of how it is used might be:mysql> DROP TABLE test.no_such_table; ERROR 1051 (42S02): Unknown table 'test.no_such_table' mysql> GET DIAGNOSTICS CONDITION 1 -> @p1 = RETURNED_SQLSTATE, @p2 = MESSAGE_TEXT; mysql> SELECT @p1, @p2; +-------+------------------------------------+| @p1   | @p2                                | +-------+------------------------------------+| 42S02 | Unknown table 'test.no_such_table' | +-------+------------------------------------+ Options for leveraging the MySQL Diagnotics Area and GET DIAGNOSTICS are detailed in the MySQL Docs.While the above is a summary of some of the key developer enabling 5.6 features, it is by no means exhaustive. You can dig deeper into what MySQL 5.6 has to offer by reading this developer zone article or checking out "What's New in MySQL 5.6" in the MySQL docs.BONUS ALERT!  If you are developing on Windows or are considering MySQL as an alternative to SQL Server for your next project, application or shipping product, you should check out the MySQL Installer for Windows.  The installer includes the MySQL 5.6 RC database, all drivers, Visual Studio and Excel plugins, tray monitor and development tools all a single download and GUI installer.   So what are your next steps? Register for Dec. 13 "MySQL 5.6: Building the Next Generation of Web-Based Applications and Services" live web event.  Hurry!  Seats are limited. Download the MySQL 5.6 Release Candidate (look under the Development Releases tab) Provide Feedback <link to http://bugs.mysql.com/> Join the Developer discussion on the MySQL Forums Explore all MySQL Products and Developer Tools As always, thanks for your continued support of MySQL!

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• Make Sure Outlook Loads All the Plugins

  - by Ngu Soon Hui

  My antivirus ( ESET) hanged some day ago, and that brought down its outlook plugin as a result. So when I tried to launch outlook, I would get a message, saying that outlook cannot launch. After I did this a few times, the outlook asked me whether agree to disable all the plugins, which I clicked yes. The problem now is that after I restart my pc, ESET is working fine, but the Outlook is no longer loading any of my plugins. Is there anyway to tell OUtlook to load the plugins?

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• steam won't open after install

  - by Dan Cooper

  I've looked all over the place for a solution but no one seems to be getting the same error codes as me. When I try to run Steam through terminal I get the following error: Running Steam on ubuntu 13.04 64-bit STEAM_RUNTIME is enabled automatically Installing breakpad exception handler for appid(steam)/version(1367621987_client) Installing breakpad exception handler for appid(steam)/version(1367621987_client) unlinked 0 orphaned pipes Gtk-Message: Failed to load module "overlay-scrollbar" Installing breakpad exception handler for appid(steam)/version(1367621987_client) [1013/104817:WARNING:proxy_service.cc(646)] PAC support disabled because there is no system implementation /home/buildbot/buildslave_steam/steam_rel_client_ubuntu12_linux/build/src/steamUI/../common/steam/client_api.cpp (281) : Assertion Failed: ClientAPI_InitGlobalInstance: InternalAPI_Init_Internal failed. Assert( Assertion Failed: ClientAPI_InitGlobalInstance: InternalAPI_Init_Internal failed. ):/home/buildbot/buildslave_steam/steam_rel_client_ubuntu12_linux/build/src/steamUI/../common/steam/client_api.cpp:281 Installing breakpad exception handler for appid(steam)/version(1367621987_client) Uploading dump (out-of-process) [proxy ''] /tmp/dumps/assert_20131013104817_1.dmp /home/buildbot/buildslave_steam/steam_rel_client_ubuntu12_linux/build/src/steamUI/SteamStartup.cpp (627) : Assertion Failed: ! "There was a problem with your Steam installation.\n" "Please reinstall steam.\n" unlinked 2 orphaned pipes CAsyncIOManager: 0 threads terminating. 0 reads, 0 writes, 0 deferrals. CAsyncIOManager: 75 single object sleeps, 0 multi object sleeps CAsyncIOManager: 0 single object alertable sleeps, 1 multi object alertable sleeps [2013-10-13 10:48:16] Startup - updater built May 3 2013 15:08:27 [2013-10-13 10:48:16] Verifying installation... [2013-10-13 10:48:16] Verification complete Shutting down. . . [2013-10-13 10:48:17] Shutdown Finished uploading minidump (out-of-process): success = yes response: CrashID=bp-d172a742-b7dd-419c-b235-d60c32131013 I've tried sudo apt-get purge and terminal tries to tell me I don't have Steam installed. I've tried reinstalling with software center but that doesn't help either.

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• Creating cookieless application on development machine with asp.net

  - by zaladane

  I am thinking about setting up a new domain to host static content on my website and have it cookieless just like Stackoverflow with their static domain. So before going ahead and buying the domain and setting it up I wanted to test it on my developement machine first under localhost (I have to mention that i am planning on having IIS running on my new domain for the static files). I therefore created a new application under IIS and disabled session state and forms authentication. When my main application needs resources like css, images and js , I use the path to the "static" application where they are hosted. The problem is that when I look at the request and the response for the requested files, they still have the session_id cookie defined as well as the asp.net authentication cookie. Is it at all possible to accomplish what i am trying to do on a development machine or do i have to just go ahead and purchase the new domain which hopefully with make things right? I tried to read about cookieless domain but can't figure out what i might be missing.

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• Why is my firewall preventing me from accessing some websites

  - by nosx

  I have an old Belkin router and when I enable the firewall I cannot access certain websites. For example: http://www.avisynth.org With Firewall Enabled: Main page loads and begins to do a meta refresh which never finishes. With Firewall Disabled: Main page loads and the meta refresh completes as normal and I am taken to the wiki page. I have not setup any rules in my firewall that would prevent this site from loading, yet it refuses to load unless I have the firewall disabled completely. My router has a hidden page with advanced settings on it for the firewall which I was able to acccess and take a screenshot of, but I did not want to mess with these values unless I absolutely have to do so: What might be causing this problem and how would I go about fixing it?

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• PHP Mail() to Gmail = Spam

  - by grantw

  Recently Gmail has started marking emails sent directly from my server (using php mail()) as spam and I'm having problems trying to find the issue. If I send an exact copy of the same email from my email client it goes to the Gmail inbox. The emails are plain text, around 7 lines long and contain a URL link in plain text. As the emails sent from my client are getting through fine I'm thinking that the content isn't the issue. It would be greatly appreciated if someone could take a look at the the following headers and give me some advice why the email from the server is being marked as spam. Email from Server: Delivered-To: [email protected] Received: by 10.49.98.228 with SMTP id el4csp101784qeb; Thu, 15 Nov 2012 14:58:52 -0800 (PST) Received: by 10.60.27.166 with SMTP id u6mr2296595oeg.86.1353020331940; Thu, 15 Nov 2012 14:58:51 -0800 (PST) Return-Path: [email protected] Received: from dom.domainbrokerage.co.uk (dom.domainbrokerage.co.uk. [174.120.246.138]) by mx.google.com with ESMTPS id df4si17005013obc.50.2012.11.15.14.58.51 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 15 Nov 2012 14:58:51 -0800 (PST) Received-SPF: pass (google.com: domain of [email protected] designates 174.120.246.138 as permitted sender) client-ip=174.120.246.138; Authentication-Results: mx.google.com; spf=pass (google.com: domain of [email protected] designates 174.120.246.138 as permitted sender) [email protected]; dkim=pass [email protected] DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=domainbrokerage.co.uk; s=default; h=Date:Message-Id:Content-Type:Reply-to:From:Subject:To; bh=2RJ9jsEaGcdcgJ1HMJgQG8QNvWevySWXIFRDqdY7EAM=; b=mGebBVOkyUhv94ONL3EabXeTgVznsT1VAwPdVvpOGDdjBtN1FabnuFi8sWbf5KEg5BUJ/h8fQ+9/2nrj+jbtoVLvKXI6L53HOXPjl7atCX9e41GkrOTAPw5ZFp+1lDbZ; Received: from grantw by dom.domainbrokerage.co.uk with local (Exim 4.80) (envelope-from [email protected]) id 1TZ8OZ-0008qC-Gy for [email protected]; Thu, 15 Nov 2012 22:58:51 +0000 To: [email protected] Subject: Offer Accepted X-PHP-Script: www.domainbrokerage.co.uk/admin.php for 95.172.231.27 From: My Name [email protected] Reply-to: [email protected] Content-Type: text/plain; charset=Windows-1251 Message-Id: [email protected] Date: Thu, 15 Nov 2012 22:58:51 +0000 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - dom.domainbrokerage.co.uk X-AntiAbuse: Original Domain - gmail.com X-AntiAbuse: Originator/Caller UID/GID - [500 500] / [47 12] X-AntiAbuse: Sender Address Domain - domainbrokerage.co.uk X-Get-Message-Sender-Via: dom.domainbrokerage.co.uk: authenticated_id: grantw/from_h Email from client: Delivered-To: [email protected] Received: by 10.49.98.228 with SMTP id el4csp101495qeb; Thu, 15 Nov 2012 14:54:49 -0800 (PST) Received: by 10.182.197.8 with SMTP id iq8mr2351185obc.66.1353020089244; Thu, 15 Nov 2012 14:54:49 -0800 (PST) Return-Path: [email protected] Received: from dom.domainbrokerage.co.uk (dom.domainbrokerage.co.uk. [174.120.246.138]) by mx.google.com with ESMTPS id ab5si17000486obc.44.2012.11.15.14.54.48 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 15 Nov 2012 14:54:49 -0800 (PST) Received-SPF: pass (google.com: domain of [email protected] designates 174.120.246.138 as permitted sender) client-ip=174.120.246.138; Authentication-Results: mx.google.com; spf=pass (google.com: domain of [email protected] designates 174.120.246.138 as permitted sender) [email protected]; dkim=pass [email protected] DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=domainbrokerage.co.uk; s=default; h=Content-Transfer-Encoding:Content-Type:Subject:To:MIME-Version:From:Date:Message-ID; bh=bKNjm+yTFZQ7HUjO3lKPp9HosUBfFxv9+oqV+NuIkdU=; b=j0T2XNBuENSFG85QWeRdJ2MUgW2BvGROBNL3zvjwOLoFeyHRU3B4M+lt6m1X+OLHfJJqcoR0+GS9p/TWn4jylKCF13xozAOc6ewZ3/4Xj/YUDXuHkzmCMiNxVcGETD7l; Received: from w-27.cust-7941.ip.static.uno.uk.net ([95.172.231.27]:1450 helo=[127.0.0.1]) by dom.domainbrokerage.co.uk with esmtpa (Exim 4.80) (envelope-from [email protected]) id 1TZ8Ke-0001XH-7p for [email protected]; Thu, 15 Nov 2012 22:54:48 +0000 Message-ID: [email protected] Date: Thu, 15 Nov 2012 22:54:50 +0000 From: My Name [email protected] User-Agent: Postbox 3.0.6 (Windows/20121031) MIME-Version: 1.0 To: [email protected] Subject: Offer Accepted Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - dom.domainbrokerage.co.uk X-AntiAbuse: Original Domain - gmail.com X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - domainbrokerage.co.uk X-Get-Message-Sender-Via: dom.domainbrokerage.co.uk: authenticated_id: [email protected]

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• With Monit, how do I restart a process when a directory timestamp check fails?

  - by Alterscape

  In my /etc/monit/monitrc I have the following lines: check process foo_server with pidfile /var/run/bwam_server.pid start program = "/Users/foo/foo_server.sh start" stop program = "/Users/foo/foo_server.sh stop" check directory foo_data path "/Users/foo/Library/Application Support/foo_server/data" if timestamp > 1 minute then alert #if timestamp > 1 minute then restart foo_server I know I shouldn't have some of this stuff in my home directory, but this aside: if I uncomment the last line, Monit tells me syntax error on foo_server -- but I am, as far as I understand, correctly defining the process -- how else do I reference it?

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