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  • The Workshop Technique Handbook

    - by llowitz
    The #OUM method pack contains a plethora of information, but if you browse through the activities and tasks contained in OUM, you will see very few references to workshops.  Consequently, I am often asked whether OUM supports a workshop-type approach.  In general, OUM does not prescribe the manner in which tasks should be conducted, as many factors such as culture, availability of resources, potential travel cost of attendees, can influence whether a workshop is appropriate in a given situation.  Although workshops are not typically called out in OUM, OUM encourages the project manager to group the OUM tasks in a way that makes sense for the project. OUM considers a workshop to be a technique that can be applied to any OUM task or group of tasks.  If a workshop is conducted, it is important to identify the OUM tasks that are executed during the workshop.  For example, a “Requirements Gathering Workshop” is quite likely to Gathering Business Requirements, Gathering Solution Requirements and perhaps Specifying Key Structure Definitions. Not only is a workshop approach to conducting the OUM tasks perfectly acceptable, OUM provides in-depth guidance on how to maximize the value of your workshops.  I strongly encourage you to read the “Workshop Techniques Handbook” included in the OUM Manage Focus Area under Method Resources. The Workshop Techniques Handbook provides valuable information on a variety of workshop approaches and discusses the circumstances in which each type of workshop is most affective.  Furthermore, it provides detailed information on how to structure a workshops and tips on facilitating the workshop. You will find guidance on some popular workshop techniques such as brainstorming, setting objectives, prioritizing and other more specialized techniques such as Value Chain Analysis, SWOT analysis, the Delphi Technique and much more. Workshops can and should be applied to any type of OUM project, whether that project falls within the Envision, Manage or Implementation focus areas.  If you typically employ workshops to gather information, walk through a business process, develop a roadmap or validate your understanding with the client, by all means continue utilizing them to conduct the OUM tasks during your project, but first take the time to review the Workshop Techniques Handbook to refresh your knowledge and hone your skills. 

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  • Dell External SAS 5/E HBA and Hyper-V

    - by JohnyD
    I have a Dell R710 running Win2008 R2 + Hyper-V with dual SAS 5/E HBA's. I'm building a Linux VM to install Bacula on and I need to connect it to my Dell PowerVault 124T via the SAS HBA. I've been doing some looking online and I have yet to find a straightforward answer on how to connect a SAS HBA to a VM, let alone a Linux VM. The flavor is Ubuntu 32-bit.

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  • Mac OS on a Windows PC

    I've done a little bit of reading on the topic, but nothing too clear has turned up. Why is it so difficult to run Mac OS on a virtual machine on a PC? Some sources say it's because of hardware architecture. Is there a clear, definitive reason?

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  • Understanding an Application based on the OS interaction with a Hypervisor

    - by Dewy
    Following I will ask a few specific questions but I will set the stage first. My goal is to monitor Applications in a very odd place - between the OS and a Hypervisor. If you have comments about this probably unachievable goal please do educate me. One good advice or link can save me days of work. Now to my current attempt. I installed on WinXP a VirtualBox (being open-source) and got a guest OS of latest Ubuntu running within. Where should I go next? Can I set the logs to show all memory/CPU/disk instructions of the guest OS? Thanks, Dewy

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  • MySQL Enterprise Backup 3.8.2 - Overview

    - by Priya Jayakumar
      MySQL Enterprise Backup (MEB) is the ideal solution for backing up MySQL databases. MEB 3.8.2 is released in June 2013. MySQL Enterprise Backup 3.8.2 release’s main goal is to improve usability. With this release, users can know the progress of backup completed both in terms of size and as a percentage of the total. This release also offers options to be able to manage the behavior of MEB in case the space on the secondary storage is completely exhausted during backup. The progress indicator is a (short) string that indicates how far the execution of a time-consuming MEB command has progressed. It consists of one or more "meters" that measures the progress of the command. There are two options introduced to control the progress reporting function of mysqlbackup command (1) –show-progress (2) –progress-interval. The user can control the progress indicator by using “--show-progress” option in any of the MEB operations. This option instructs MEB to output periodically short reports on the progress of time-consuming commands. The argument of this option instructs where the output could be sent. For example it could be stderr, stdout, file, fifo and table. With the “--show-progress” option both the total size of the backup to be copied and the size that’s already copied will be shown. Along with this, the state of the operation for example data or meta-data being copied or tables being locked and other such operations will also be reported. This gives more clear information to the DBA on the progress of the backup that’s happening. Interval between progress report in seconds is controlled by “--progress-interval” option. For more information on this please refer progress-report-options. MEB can also be accessed through GUI from MySQL WorkBench’s next version. This can be used as the front end interface for MEB users to perform backup operations at the click of a button. This feature was highly requested by DBAs and will be very useful. Refer http://insidemysql.com/mysql-workbench-6-0-a-sneak-preview/ for WorkBench upcoming release info. Along with the progress report feature some of the important issues like below are also addressed in MEB 3.8.2. In MEB 3.8.2 a new command line option “--on-disk-full” is introduced to abort or warn the user when a backup process encounters a full disk condition. When no option is given, by default it would abort. A few issues related to “incremental-backup” are also addressed in this release. Please refer 3.8.2 documentation for more details. It would be good for MEB users to move to 3.8.2 to take incremental backups. Overall the added usability and the important defects fixed in this release makes MySQL Enterprise Backup 3.8.2 a promising release.  

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  • Security Controls on data for P6 Analytics

    - by Jeffrey McDaniel
    The Star database and P6 Analytics calculates security based on P6 security using OBS, global, project, cost, and resource security considerations. If there is some concern that users are not seeing expected data in P6 Analytics here are some areas to review: 1. Determining if a user has cost security is based on the Project level security privileges - either View Project Costs/Financials or Edit EPS Financials. If expecting to see costs make sure one of these permissions are allocated.  2. User must have OBS access on a Project. Not WBS level. WBS level security is not supported. Make sure user has OBS on project level.  3. Resource Access is determined by what is granted in P6. Verify the resource access granted to this user in P6. Resource security is hierarchical. Project access will override Resource access based on the way security policies are applied. 4. Module access must be given to a P6 user for that user to come over into Star/P6 Analytics. For earlier version of RDB there was a report_user_flag on the Users table. This flag field is no longer used after P6 Reporting Database 2.1. 5. For P6 Reporting Database versions 2.2 and higher, the Extended Schema Security service must be run to calculate all security. Any changes to privileges or security this service must be rerun before any ETL. 6. In P6 Analytics 2.0 or higher, a Weblogic user must exist that matches the P6 username. For example user Tim must exist in P6 and Weblogic users for Tim to be able to log into P6 Analytics and access data based on  P6 security.  In earlier versions the username needed to exist in RPD. 7. Cache in OBI is another area that can sometimes make it seem a user isn't seeing the data they expect. While cache can be beneficial for performance in OBI. If the data is outdated it can retrieve older, stale data. Clearing or turning off cache when rerunning a query can determine if the returned result set was from cache or from the database.

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  • HAProxy "503 Service Unavailable" for webserver running on a KVM virtual machine

    - by Menda
    I'm setting up a server with KVM (IP 192.168.0.100) and I have created inside of it one virtual machine using network bridging at 192.168.0.194. This virtual machine has an nginx instance running, which I can access from the server or from any computer computer in the internal network just typing in the browser http://192.168.0.194. However, I try configure HAProxy in the same server that hosts KVM and looking the status page of HAProxy it always shows the virtual machine as "DOWN". If I try from the server http://localhost, it should be the same than if I go to http://192.168.0.194. My goal is to build a reverse proxy, but I tried this little example and won't work. What am I doing bad? This is my config file in the server: # /etc/haproxy/haproxy.cfg global maxconn 4096 user haproxy group haproxy daemon defaults log global mode http option httplog option dontlognull retries 3 option redispatch maxconn 2000 contimeout 5000 clitimeout 50000 srvtimeout 50000 listen ServerStatus *:8081 mode http stats enable stats auth haproxy:haproxy listen Server *:80 mode http balance roundrobin cookie JSESSIONID prefix option httpclose option forwardfor option httpchk HEAD /check.txt HTTP/1.0 server mv1 192.168.0.194:80 cookie A check Thanks.

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  • Back from Istanbul - Presentations available for download

    - by Javier Puerta
       (Picture by Paul Thompson, 14-March-2012) On March 14-15th we have celebrated our 2012 Exadata Partner Community EMEA Forum, in Istanbul, Turkey. It has been an intense two days, packed with great content and a lot of networking. Organizing it jointly with the Manageability Partner Forum has allowed participants to benefit from the content of the Manageability sessions, which is a topic that is becoming key as we move to cloud architectures. During the sessions we have listened to two thought-leaders in our industry, Ron Tolido, from Capgemni, and Julian Dontcheff, from Accenture. We thank our Exadata partners -ISE (Germany), Inserve (Sweden), Fors (Russia), Linkplus (Turkey) and Sogeti,  for sharing with the community their experiences in selling and implementing Exadata and Manageability projects. The slide decks used in the presentations are now available for download at the Exadata Partner Community Collaborative Workspace (for community members only - if you get an error message, please register for the Community first).I want to thank all who have participated at the event, and look forward to meeting again at next year's Forum.

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  • How to stop/kill a virtual machine that hangs in "Stopping" state?

    - by SvetP
    Hi, I have a virtual machine that constantly hangs in the “Stopping” state. I’ve red several posts suggesting killing the vmwp.exe process of the machine but I’ve never been able to kill this process neither from the Windows Task Manager nor from an administrative command prompt by using prockill /PID xxxx /F where xxxx was the process ID. The only result that I have is that my machine enters in “Stopping-Critical” state. Even worse, from that point (having a virtual machine hung at stopping) I am unable to manage (stop or start) any other virtual machine on the same host. The only “solution” in that case for me is to stop the Virtual Machine Management Service (vmms.exe) and to restart the physical host. Without first stopping the vmms.exe service my physical host also hangs during the restart. Moreover, there is no any error logged in the Event Viewer. I’ve found some other posts complaining about them problem. On all of them the only suggestion was to kill the vmwp.exe process, which obviously doesn’t work for them too. Can somebody help us with this, pls? Thanks

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  • Choosing between cloud (Cloudfoundry ) and virtual servers - for developers

    - by Mike Z
    I just came across some articles on how to setup your own cloud using Cloudfoundry and Ubuntu, this got me thinking, choosing our infrastructure, if we want to use our own servers what's the advantage of cloud on virtual servers vs just using virtual servers, VPN? If we now develop for the cloud later if we need help we can quickly move on to a cloud provider, but other than that what's the advantage and disadvantage of private cloud in these areas? speed of development, testing, deployment server management security having an extra layer (cloud) will that have a hit on server performance, how big? any other advantage/disadvantage?

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  • Idling CPU at 65C, re-place or re-paste?

    - by Event_Horizon
    Replaced Graphics card because screen would go black at a certain temp while gaming, but sound would stay on (but locked up). Then with replacement card whole PC shuts off during gaming now because the CPU is overheating. Note: CPU is only supposed to go up to 71C max according to manufacturer and it goes well over upon load. System Temp: 30C TL;DR: Idling CPU at 65C, started to shut down due to overheating, re-place (CPU, or CPU and Motherboard) or re-paste?

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  • WNA Configuration in OAM 11g

    - by P Patra
    Pre-Requisite: Kerberos authentication scheme has to exist. This is usually pre-configured OAM authentication scheme. It should have Authentication Level - "2", Challenge Method - "WNA", Challenge Direct URL - "/oam/server" and Authentication Module- "Kerberos". The default authentication scheme name is "KerberosScheme", this name can be changed. The DNS name has to be resolvable on the OAM Server. The DNS name with referrals to AD have to be resolvable on OAM Server. Ensure nslookup work for the referrals. Pre-Install: AD team to produce keytab file on the AD server by running ktpass command. Provide OAM Hostname to AD Team. Receive from AD team the following: Keypass file produced when running the ktpass command ktpass username ktpass password Copy the keytab file to convenient location in OAM install tree and rename the file if desired. For instance where oam-policy.xml file resides. i.e. /fa_gai2_d/idm/admin/domains/idm-admin/IDMDomain/config/fmwconfig/keytab.kt Configure WNA Authentication on OAM Server: Create config file krb.config and set the environment variable to the path to this file: KRB_CONFIG=/fa_gai2_d/idm/admin/domains/idm-admin/IDMDomain/config/fmwconfig/krb.conf The variable KRB_CONFIG has to be set in the profile for the user that OAM java container(i.e. Wbelogic Server) runs as, so that this setting is available to the OAM server. i.e. "applmgr" user. In the krb.conf file specify: [libdefaults] default_realm= NOA.ABC.COM dns_lookup_realm= true dns_lookup_kdc= true ticket_lifetime= 24h forwardable= yes [realms] NOA.ABC.COM={ kdc=hub21.noa.abc.com:88 admin_server=hub21.noa.abc.com:749 default_domain=NOA.ABC.COM [domain_realm] .abc.com=ABC.COM abc.com=ABC.COM .noa.abc.com=NOA.ABC.COM noa.abc.com=NOA.ABC.COM Where hub21.noa.abc.com is load balanced DNS VIP name for AD Server and NOA.ABC.COM is the name of the domain. Create authentication policy to WNA protect the resource( i.e. EBSR12) and choose the "KerberosScheme" as authentication scheme. Login to OAM Console => Policy Configuration Tab => Browse Tab => Shared Components => Application Domains => IAM Suite => Authentication Policies => Create Name: ABC WNA Auth Policy Authentication Scheme: KerberosScheme Failure URL: http://hcm.noa.abc.com/cgi-bin/welcome Edit System Configuration for Kerberos System Configuration Tab => Access Manager Settings => expand Authentication Modules => expand Kerberos Authentication Module => double click on Kerberos Edit "Key Tab File" textbox - put in /fa_gai2_d/idm/admin/domains/idm-admin/IDMDomain/config/fmwconfig/keytab.kt Edit "Principal" textbox - put in HTTP/[email protected] Edit "KRB Config File" textbox - put in /fa-gai2_d/idm/admin/domains/idm-admin/IDMDomain/config/fmwconfig/krb.conf Cilck "Apply" In the script setting environment for the WLS server where OAM is deployed set the variable: KRB_CONFIG=/fa_gai2_d/idm/admin/domains/idm-admin/IDMDomain/config/fmwconfig/krb.conf Re-start OAM server and OAM Server Container( Weblogic Server)

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  • Self-signed certificates for a known community

    - by costlow
    Recently announced changes scheduled for Java 7 update 51 (January 2014) have established that the default security slider will require code signatures and the Permissions Manifest attribute. Code signatures are a common practice recommended in the industry because they help determine that the code your computer will run is the same code that the publisher created. This post is written to help users that need to use self-signed certificates without involving a public Certificate Authority. The role of self-signed certificates within a known community You may still use self-signed certificates within a known community. The difference between self-signed and purchased-from-CA is that your users must import your self-signed certificate to indicate that it is valid, whereas Certificate Authorities are already trusted by default. This works for known communities where people will trust that my certificate is mine, but does not scale widely where I cannot actually contact or know the systems that will need to trust my certificate. Public Certificate Authorities are widely trusted already because they abide by many different requirements and frequent checks. An example would be students in a university class sharing their public certificates on a mailing list or web page, employees publishing on the intranet, or a system administrator rolling certificates out to end-users. Managed machines help this because you can automate the rollout, but they are not required -- the major point simply that people will trust and import your certificate. How to distribute self-signed certificates for a known community There are several steps required to distribute a self-signed certificate to users so that they will properly trust it. These steps are: Creating a public/private key pair for signing. Exporting your public certificate for others Importing your certificate onto machines that should trust you Verify work on a different machine Creating a public/private key pair for signing Having a public/private key pair will give you the ability both to sign items yourself and issue a Certificate Signing Request (CSR) to a certificate authority. Create your public/private key pair by following the instructions for creating key pairs.Every Certificate Authority that I looked at provided similar instructions, but for the sake of cohesiveness I will include the commands that I used here: Generate the key pair.keytool -genkeypair -alias erikcostlow -keyalg EC -keysize 571 -validity 730 -keystore javakeystore_keepsecret.jks Provide a good password for this file. The alias "erikcostlow" is my name and therefore easy to remember. Substitute your name of something like "mykey." The sigalg of EC (Elliptical Curve) and keysize of 571 will give your key a good strong lifetime. All keys are set to expire. Two years or 730 days is a reasonable compromise between not-long-enough and too-long. Most public Certificate Authorities will sign something for one to five years. You will be placing your keys in javakeystore_keepsecret.jks -- this file will contain private keys and therefore should not be shared. If someone else gets these private keys, they can impersonate your signature. Please be cautious about automated cloud backup systems and private key stores. Answer all the questions. It is important to provide good answers because you will stick with them for the "-validity" days that you specified above.What is your first and last name?  [Unknown]:  First LastWhat is the name of your organizational unit?  [Unknown]:  Line of BusinessWhat is the name of your organization?  [Unknown]:  MyCompanyWhat is the name of your City or Locality?  [Unknown]:  City NameWhat is the name of your State or Province?  [Unknown]:  CAWhat is the two-letter country code for this unit?  [Unknown]:  USIs CN=First Last, OU=Line of Business, O=MyCompany, L=City, ST=CA, C=US correct?  [no]:  yesEnter key password for <erikcostlow>        (RETURN if same as keystore password): Verify your work:keytool -list -keystore javakeystore_keepsecret.jksYou should see your new key pair. Exporting your public certificate for others Public Key Infrastructure relies on two simple concepts: the public key may be made public and the private key must be private. By exporting your public certificate, you are able to share it with others who can then import the certificate to trust you. keytool -exportcert -keystore javakeystore_keepsecret.jks -alias erikcostlow -file erikcostlow.cer To verify this, you can open the .cer file by double-clicking it on most operating systems. It should show the information that you entered during the creation prompts. This is the file that you will share with others. They will use this certificate to prove that artifacts signed by this certificate came from you. If you do not manage machines directly, place the certificate file on an area that people within the known community should trust, such as an intranet page. Import the certificate onto machines that should trust you In order to trust the certificate, people within your known network must import your certificate into their keystores. The first step is to verify that the certificate is actually yours, which can be done through any band: email, phone, in-person, etc. Known networks can usually do this Determine the right keystore: For an individual user looking to trust another, the correct file is within that user’s directory.e.g. USER_HOME\AppData\LocalLow\Sun\Java\Deployment\security\trusted.certs For system-wide installations, Java’s Certificate Authorities are in JAVA_HOMEe.g. C:\Program Files\Java\jre8\lib\security\cacerts File paths for Mac and Linux are included in the link above. Follow the instructions to import the certificate into the keystore. keytool -importcert -keystore THEKEYSTOREFROMABOVE -alias erikcostlow -file erikcostlow.cer In this case, I am still using my name for the alias because it’s easy for me to remember. You may also use an alias of your company name. Scaling distribution of the import The easiest way to apply your certificate across many machines is to just push the .certs or cacerts file onto them. When doing this, watch out for any changes that people would have made to this file on their machines. Trusted.certs: When publishing into user directories, your file will overwrite any keys that the user has added since last update. CACerts: It is best to re-run the import command with each installation rather than just overwriting the file. If you just keep the same cacerts file between upgrades, you will overwrite any CAs that have been added or removed. By re-importing, you stay up to date with changes. Verify work on a different machine Verification is a way of checking on the client machine to ensure that it properly trusts signed artifacts after you have added your signing certificate. Many people have started using deployment rule sets. You can validate the deployment rule set by: Create and sign the deployment rule set on the computer that holds the private key. Copy the deployment rule set on to the different machine where you have imported the signing certificate. Verify that the Java Control Panel’s security tab shows your deployment rule set. Verifying an individual JAR file or multiple JAR files You can test a certificate chain by using the jarsigner command. jarsigner -verify filename.jar If the output does not say "jar verified" then run the following command to see why: jarsigner -verify -verbose -certs filename.jar Check the output for the term “CertPath not validated.”

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  • WebCenter Content (WCC) Trace Sections

    - by Kevin Smith
    Kyle has a good post on how to modify the size and number of WebCenter Content (WCC) trace files. His post reminded me I have been meaning to write a post on WCC trace sections for a while. searchcache - Tells you if you query was found in the WCC search cache. searchquery - Shows the processing of the query as it is converted form what the user submitted to the end query that will be sent to the database. Shows conversion from the universal query syntax to the syntax specific to the search solution WCC is configured to use. services (verbose) - Lists the filters that are called for each service. This will let you know what filters are available for each service and will also tell you what filters are used by WCC add-on components and any custom components you have installed. The How To Component Sample has a list of filters, but it has not been updated since 7.5, so it is a little outdated now. With each new release WCC adds more filters. If you have a filter that has no code attached to it you will see output like this: services/6    09.25 06:40:26.270    IdcServer-423    Called filter event computeDocName with no filter plugins registered When a WCC add-on or custom component uses a filter you will see trace output like this: services/6    09.25 06:40:26.275    IdcServer-423    Calling filter event postValidateCheckinData on class collections.CollectionValidateCheckinData with parameter postValidateCheckinDataservices/6    09.25 06:40:26.275    IdcServer-423    Calling filter event postValidateCheckinData on class collections.CollectionFilters with parameter postValidateCheckinData As you can see from this sample output it is possible to have multiple code points using the same filter. systemdatabase - Dumps the database call AFTER it executes. This can be somewhat troublesome if you are trying to track down some weird database problems. We had a problem where WCC was getting into a deadlock situation. We turned on the systemdatabase trace section and thought we had the problem database call, but it turned out since it printed out the database call after it was executed we were looking at the database call BEFORE the one causing the deadlock. We ended up having to turn on tracing at the database level to see the database call WCC was making that was causing the deadlock. socketrequests (verbose) - dumps the actual messages received and sent over the socket connection by WCC for a service. If you have gzip enabled you will see junk on the response coming back from WCC. For debugging disable the gzip of the WCC response.Here is an example of the dump of the request for a GET_SEARCH_RESULTS service call. socketrequests/6 09.25 06:46:02.501 IdcServer-6 request: REMOTE_USER=sysadmin.USER-AGENT=Java;.Stel socketrequests/6 09.25 06:46:02.501 IdcServer-6 request: lent.CIS.11g.CONTENT_TYPE=text/html.HEADER socketrequests/6 09.25 06:46:02.501 IdcServer-6 request: _ENCODING=UTF-8.REQUEST_METHOD=POST.CONTEN socketrequests/6 09.25 06:46:02.501 IdcServer-6 request: T_LENGTH=270.HTTP_HOST=CIS.$$$$.NoHttpHead socketrequests/6 09.25 06:46:02.501 IdcServer-6 request: ers=0.IsJava=1.IdcService=GET_SEARCH_RESUL socketrequests/6 09.25 06:46:02.501 IdcServer-6 request: [email protected] socketrequests/6 09.25 06:46:02.501 IdcServer-6 request: calData.SortField=dDocName.ClientEncoding= socketrequests/6 09.25 06:46:02.501 IdcServer-6 request: UTF-8.IdcService=GET_SEARCH_RESULTS.UserTi socketrequests/6 09.25 06:46:02.501 IdcServer-6 request: meZone=UTC.UserDateFormat=iso8601.SortDesc socketrequests/6 09.25 06:46:02.501 IdcServer-6 request: =ASC.QueryText=dDocType..matches..`Documen socketrequests/6 09.25 06:46:02.501 IdcServer-6 request: t`.@end. userstorage, jps - Provides trace details for user authentication and authorization. Includes information on the determination of what roles and accounts a user has access to. In 11g a new trace section, jps, was added with the addition of the JpsUserProvider to communicate with WebLogic Server. The WCC developers decide when to use the verbose option for their trace output, so sometime you need to try verbose to see what different information you get. One of the things I would always have liked to see if the ability to turn on verbose output selectively for individual trace sections. When you turn on verbose output you get it for all trace sections you have enabled. This can quickly fill up your trace files with a lot of information if you have the socket trace section turned on.

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  • Automatic Storage Management (ASM)

    - by jean-marc.gaudron(at)oracle.com
    Master Note for Automatic Storage Management (ASM) (Doc ID 1187723.1)This Master Note is intended to provide an index and references to the most frequently used My Oracle Support Notes with respect to Oracle Automatic Storage Management (ASM) environments. This Master Note is subdivided into categories to allow for easy access and reference to notes that are applicable to your area of interest. This includes the following categories: Automatic Storage Management (ASM) Concepts and Overview Automatic Storage Management (ASM) Installation Automatic Storage Management (ASM) Configuration Automatic Storage Management (ASM) Administration Automatic Storage Management (ASM) Migration and Upgrade Automatic Storage Management (ASM) Monitoring Automatic Storage Management (ASM) Troubleshooting and Debugging Automatic Storage Management (ASM) Best Practices Automatic Storage Management (ASM) Versions and Patches ASMLIB Database Machine, Exadata Storage Server and RAC Documentation Using My Oracle Support Effectively

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  • Sweden: Hot Java in the Winter

    - by Tori Wieldt
    No, it's not global warming, but for some reason Sweden is a hotbed of great Java developers and great Java conferences in the winter. First, all three Swedish Java Champions are on Computer Sweden's 100 Best Swedish Developers List. You can read the full Sweden's Top 100 Developers article *if* you can read Swedish (or want to use Google Translate). Congratulations to:  Jonas Bonér, CTO Typesafe Skills: In recent years worked with solutions for scalability and availability. Previously, most between programs and compilers. Other qualifications: Located behind the framework Aspectwerkz and Akka platform for developing parallel, scalable and fault-tolerant software in Scala and Java. Rickard Oberg, Neo Technology Skills: Java, and the framework in Java EE and graph databases. Other qualifications: Founder of open source projects Xdoclet and Webwork. The latter is now called Struts second Rickard Oberg wrote the basics of the application server JBoss. Founder of Senselogic and architect of CMS and portal product SiteVision. Launched frameworkQi4j. Been a speaker at Java Zone JavaPolis, Jfokus, Øredev. Mattias Karlsson Skills: Java. Good at agile system development methods and architecture. Activity: telecom, banking, finance and insurance. Other qualifications: Runs Javaforum Stockholm. Arranges the conference Jfokus.  Frequent speaker at major international conferences such as JavaOne. Holds the title Java Champion. Also, Sweden is home to some top-notch Java Developer conferences during the Winter: jDays Gothenburg, Sweden, Dec 3-5. jDays, a dynamic Java developer conference, comes to Gothenburg. In addition to conference and presentations, visitors can join any courses in Java and related technologies for free.  Jfokus Stockholm, Sweden, Feb 4-6. Jfokus is the largest annual conference for everyone who works with Java in Sweden. The conference is arranged together with Javaforum, the Stockholm JUG.  Thanks to all the Java community who keep the Java hot in Sweden!

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  • ODI 11g - Dynamic and Flexible Code Generation

    - by David Allan
    ODI supports conditional branching at execution time in its code generation framework. This is a little used, little known, but very powerful capability - this let's one piece of template code behave dynamically based on a runtime variable's value for example. Generally knowledge module's are free of any variable dependency. Using variable's within a knowledge module for this kind of dynamic capability is a valid use case - definitely in the highly specialized area. The example I will illustrate is much simpler - how to define a filter (based on mapping here) that may or may not be included depending on whether at runtime a certain value is defined for a variable. I define a variable V_COND, if I set this variable's value to 1, then I will include the filter condition 'EMP.SAL > 1' otherwise I will just use '1=1' as the filter condition. I use ODIs substitution tags using a special tag '<$' which is processed just prior to execution in the runtime code - so this code is included in the ODI scenario code and it is processed after variables are substituted (unlike the '<?' tag).  So the lines below are not equal ... <$ if ( "#V_COND".equals("1")  ) { $> EMP.SAL > 1 <$ } else { $> 1 = 1 <$ } $> <? if ( "#V_COND".equals("1")  ) { ?> EMP.SAL > 1 <? } else { ?> 1 = 1 <? } ?> When the <? code is evaluated the code is executed without variable substitution - so we do not get the desired semantics, must use the <$ code. You can see the jython (java) code in red is the conditional if statement that drives whether the 'EMP.SAL > 1' or '1=1' is included in the generated code. For this illustration you need at least the ODI 11.1.1.6 release - with the vanilla 11.1.1.5 release it didn't work for me (may be patches?). As I mentioned, normally KMs don't have dependencies on variables - since any users must then have these variables defined etc. but it does afford a lot of runtime flexibility if such capabilities are required - something to keep in mind, definitely.

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  • Yammer, Berkeley DB, and the 3rd Platform

    - by Eric Jensen
    Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Cambria","serif"; mso-ascii-font-family:Cambria; mso-ascii-theme-font:major-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:major-fareast; mso-hansi-font-family:Cambria; mso-hansi-theme-font:major-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:major-bidi; mso-bidi-language:EN-US;} If you read the news, you know that the latest high-profile social media acquisition was just confirmed. Microsoft has agreed to acquire Yammer for 1.2 billion. Personally, I believe that Yammer’s amazing success can be mainly attributed to their wise decision to use Berkeley DB Java Edition as their backend data store. :-) I’m only kidding, of course. However, as Ryan Kennedy points out in the video I recently blogged about, BDB JE did provide the right feature set that allowed them to reliably grow their business. Which in turn allowed them to focus on their core value add. As it turns out, their ‘add’ is quite valuable! This actually makes sense to me, a lot more sense than certain other recent social acquisitions, and here’s why. Last year, IDC declared that we are entering a new computing era, the era of the “3rd Platform.” In case you’re curious, the first 2 were terminal computing and client/server computing, IIRC. Anyway, this 3rd one is more complicated. This year, IDC refined the concept further. It now involves 4 distinct buzzwords: cloud, social, mobile, and big data. Yammer is a social media platform that runs in the cloud, designed to be used from mobile devices. Their approach, using Berkeley DB Java Edition with High Availability, qualifies as big data. This means that Yammer is sitting right smack in the center if IDC’s new computing era. Another way to put it is: the folks at Yammer were prescient enough to predict where things were headed, and get there first. They chose Berkeley DB to handle their data. Maybe you should too!

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  • A Method for Reducing Contention and Overhead in Worker Queues for Multithreaded Java Applications

    - by Janice J. Heiss
    A java.net article, rich in practical resources, by IBM India Labs’ Sathiskumar Palaniappan, Kavitha Varadarajan, and Jayashree Viswanathan, explores the challenge of writing code in a way that that effectively makes use of the resources of modern multicore processors and multiprocessor servers.As the article states: “Many server applications, such as Web servers, application servers, database servers, file servers, and mail servers, maintain worker queues and thread pools to handle large numbers of short tasks that arrive from remote sources. In general, a ‘worker queue’ holds all the short tasks that need to be executed, and the threads in the thread pool retrieve the tasks from the worker queue and complete the tasks. Since multiple threads act on the worker queue, adding tasks to and deleting tasks from the worker queue needs to be synchronized, which introduces contention in the worker queue.” The article goes on to explain ways that developers can reduce contention by maintaining one queue per thread. It also demonstrates a work-stealing technique that helps in effectively utilizing the CPU in multicore systems. Read the rest of the article here.

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  • Windows: Running an AutoIt script to launch a GUI app - on a server, when no one is logged in

    - by mrled
    I want to run an AutoIt script every day at 1:00 AM on a Windows 2003 Server Standard Edition. Since this is a server, obviously there is rarely someone sitting there logged in at the console, so the procedure needs to account for this. The AutoIt script in question launches and sends keypresses to a GUI app, so the process needs to include creating some sort of session for the user running the schedule task. Is there a way to do this? I can't just use scheduled tasks run the AutoIt script when no one is logged in - if I do, it fails to launch at all. I thought that I might be able to create an RDP session and run the scheduled task as that user, inside that session, but I haven't found a way to create an RDP session without launching mstsc.exe -- which is itself a GUI app, and I have the same problem again.

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  • So You Want to Be a Social Media Director

    - by Mike Stiles
    Do you want to be a Social Media Director? Some say the title is already losing its relevance; that social should be a basic skill that is required and used no matter what your position is inside the enterprise. I suppose that’s visionary, and a fun thing for thought leaders to say. But in the vast majority of business organizations, we’re so far away from that reality that the thought of not having someone driving social’s implementation and guiding its proper usage conjures up images of anarchy. That said, social media has become so broad, so catch-all, and so extended across business functions, that today’s Social Media Director, depending on the size of their staff, must make jacks-of-all-trades look like one-trick-ponies. Just as the purview of the CMO has grown all-encompassing, the disciplines required of their heads of social are stacking up. Master of Content Every social pipeline you build must stay filled, with quantity and quality. Content takes time, and the job never stops. Never. And no, it’s not true that anybody can write. Master of Customer Experience You must have a passion for hearing from customers and making them really happy. Master of PR You must know how to communicate and leverage the trust you’ve built when crises strike. Couldn’t hurt to be a Master of Politics. Master of Social Technology So many social management tools on the market. You have to know what social tech ecosystem makes sense and avoid piecemeal point solutions. Master of Business Development Social for selling and prospecting is hot, and you have to know how to use social to do it. Master of Analytics Nothing else matters if you can’t prove social is helping the brand. That’s right, creative content guy has to also be a math and stats geek. Good luck with that. Master of Paid Media You’ve got to learn the language, learn the tactics, learn the vendors and learn how to measure results. Master of Education Guess who gets to teach everyone who has no clue how to use social for business. Master of Personal Likability You’ll be leading the voice, tone, image and personality of the brand. If you don’t instinctively know how to be liked by actual people, the brand will be starting from a deficit. How deep must you go in this parade of masteries? Again, that depends on your employer’s maturity level in social. Serious players recognize these as distinct disciplines requiring true experts for maximum effect. Less serious players will need you to execute personally in many of these areas. Do the best you can, and try to grow quickly at each. If you’re the sole person executing all social…well…you’re in the game of managing expectations and trying to socially educate your employer. The good news is, you should be making a certifiable killing. If you’re alone and your salary is modest, time to understand how many brands out there crave what you’ve mastered. Not to push back against thought leaders, but the need for brand social leadership has not gone away…not even a little bit. @mikestiles @oraclesocialPhoto: Stefan Wagner, freeimages.com

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  • Configuring Weblogic Server 10.3.6 from 32-bit mode to 64-bit mode

    - by Ekta Malik
    This post pertains to the configuration of Weblogic Server from 32-bit mode to 64-bit mode on Solaris OS. Just in case, you have WLS 10.3.6 running in 32-bit mode and the JDK being used is installed for 64-bit mode [On Solaris OS, JDK 64-bit installation comprises of installing 32-bit JDK followed by a patch for 64-bit JDK].  Verification of the mode being used One can verify the mode of Weblogic Server in the following ways Either check the commonEnv.sh script located at $MIDDLEWARE_HOME/wlserver_10.3/common/bin where $MIDDLEWARE_HOME refers to the install directory of Middleware. Look for the patterns - SUN_ARCH_DATA_MODEL and JAVA_USE_64BIT in the file. For 32-bit mode, the parameters would appear as shown belowSUN_ARCH_DATA_MODEL="32"JAVA_USE_64BIT=false Check the server console logs; which JDK is being used during start-up By checking which JDK is used by the running process of Weblogic Server Configuration Steps Take a backup of the commonEnv.sh script located at $MIDDLEWARE_HOME/wlserver_10.3/common/bin where $MIDDLEWARE_HOME refers to the install directory of Middleware Modify the commonEnv.sh script for the following parameters: The values should be 64 and true respectively for 64-bit modeSUN_ARCH_DATA_MODEL="64"JAVA_USE_64BIT=true  Restart the weblogic server. One can confirm that the JDK being used is 64-bit by looking at the Weblogic console logs during server start up or by looking at the running process.

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  • Adaptive Case Management OTN WebCast with Danilo Schmiedel

    - by JuergenKress
    Oracle ACE Director Danilo Schmiedel, SOA/BPM solution architect with Opitz Consulting in Germany, talks about Adaptive Case Management, Predictive Analytics, and Process Mining. Watch the video here. To download the Adaptive Case Management post mentioned in this interview, please visit the blog post. SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Facebook Wiki Technorati Tags: ACM,Adaptive Case Management,Danilo Schmiedel,Opitz,OTN,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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  • How to Shrink large Hyper-V VM

    - by autrevo
    Using Disk2VHD utility I converted my bare-metal OS into Hyper-V VHD - http://technet.microsoft.com/en-us/sysinternals/ee656415.aspx And I could obtain a huge 190GB VHD file. Apart from performance issues, this VHD worked fine as guest when hosted on Windows Server 200 R2, Hyper-V. Having realized need to keeping only system files and application installations on VHD. I have deleted most of the junk data from this VHD and now it contains only 20-25 GB. But I am not able to shrink the VHD VM. Having done some research, I came to know, this as a limitation of .VHD files. Subsequently I followed these two step using Edit Virtual Hard Wizard on Windows 2012 Box. Convert from VHD to VHDX (took close to 3 hrs.) Compact (Another 4 hrs.) This did not ever shrink the VHDX either. Does Hyper-V does not provide proper support to handle large VHDs or VHDXs whose size are the range of 200GB.

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