In the words of Dr Cathy Ryan, "If you don't write it down, it never happened".
The postings on this site are my own and don’t necessarily represent IBM’s positions, strategies or opinions.
My blog is PERSONAL, and is a repository of the stuff that I learn, play with, enjoy and want to share.
If you follow one of my tips, your mileage MAY well vary - Here be dragons :-)
What is important when monitoring IBM Business Process Manager at the infrastructure level?
Mon, May 13th 2013 8:45a Dave Hay Again, this popped up in my Twitter stream of consciousness, thanks to @IBM_BPM : - In my customer engagements, I am often asked the following questions: • What metrics should we use to monitor the infrastructure for our IBM Business Process Manager environment? • What key metrics should I always look at to prevent the environment from becoming unavailable? • Which actions should be taken in case the metric threshold is exceeded or when receiving an alert by running out of service? Fo [read] Keywords: ibm
apple
application
community
server
twitter
websphere
Top 6 mistakes in IBM Business Process Manager installations
Tue, May 7th 2013 7:09a Dave Hay Let's play a game of word association. What subject comes to mind with the words "engaging" and "terrifying"? Whatever you are thinking, I suspect it wasn't IT security. Yet those very words describe J Keith Wood and Jens Engelke's new IBM Redbooks publication. In it, they share their experiences of working with IBM customers around the world on securing IBM Business Process Manager solutions. Security pitfalls are everywhere and the stakes could not be higher. This blog post is part of [read] Keywords: ibm
community
database
security
server
Knowledge Collection: Troubleshooting documents for IBM Business Monitor
Tue, Apr 30th 2013 11:23a Dave Hay Abstract This Knowledge Collection is a focused compilation of links to documents for troubleshooting. Content A Knowledge Collection is a focused compilation of links to documents that share a common theme. Knowledge Collections are navigation aids that organize content to help users quickly find relevant information. Knowledge Collections are not designed to be an all-inclusive list of all documents dealing with the specific theme. Knowledge Collection: Troubleshooting documents for IBM Bus [read] Keywords: ibm
Note to Self - Java Runtime Environment and Mozilla Firefox on 64-bit Red Hat Linux
Tue, Apr 30th 2013 8:06a Dave Hay (1) Download the JRE from here ( assuming that you're happy to use the Oracle JRE ): - Java Downloads for All Operating Systems - Recommended Version 7 Update 21 I chose the Linux x64 RPM from the above list: - http://javadl.sun.com/webapps/download/AutoDL?BundleId=76852 (2) Install the RPM: - $ rpm -ivh jre-7u21-linux-x64.rpm (3) Create a symbolic link to the plugin: - ( for non-root user e.g. wasadmin ) $ ln -s /usr/java/jre1.7.0_21/lib/amd64/libnpjp2.so /home/wasadmin/.mozilla/plugins/ ( fo [read] Keywords: firefox
java
linux
oracle
red hat
Slow but steady success with Oracle 11g R2
Thu, Apr 25th 2013 7:05a Dave Hay I'm on my second installation of Oracle 11g R2, having previously installed it using the GUI. This time around I've used a response file to install the product ( see below )via the command: - ./runInstaller -silent -responseFile response/db_install.rsp and all seems OK so far. I did hit a few challenges: - (i) I don't appear to have the oracle_env.sh script anywhere on my box, meaning that the ORACLE_HOME and ORACLE_SID aren't set up. I manually created the script: - oracle_env.sh ORACLE_HO [read] Keywords: ibm
application
database
email
enterprise
google
network
oracle
password
security
server
smtp
sql
227
Using IBM HTTP Server to rewrite URLs ( HTTP -> HTTPS )
Tue, Apr 16th 2013 10:45p Dave Hay Late last week, a colleague asked me for some assistance in configuring IBM HTTP Server to "redirect" user requests from HTTP to HTTPS, but using the mod_rewrite directive. Now I have blogged about this before: - An Aide Memoire - IBM HTTP Server and IBM Connections / WebSphere Portal so this post adds to what I earlier described. Here's the relevant entries in my httpd.conf file: - …LoadModule ibm_ssl_module modules/mod_ibm_ssl.soLoadModule rewrite_module modules/mod_rewrite.so Listen 808 [read] Keywords: agent
connections
ibm
application
mac
macintosh
server
websphere
websphere portal
xml
169
More on IHS and SSL - SSL0208E: SSL Handshake Failed, Certificate validation error
Tue, Apr 16th 2013 10:22p Dave Hay Following on from my earlier post: - Creating and working with a SSL Certificate Authority in IBM HTTP Server if you see: - Error 101 (net::ERR_CONNECTION_RESET): The connection was reset. in Chrome, and: - [Wed Apr 17 05:06:32 2013] [error] [client 192.168.8.1] [7f0eb40028d0] [5144] SSL0208E: SSL Handshake Failed, Certificate validation error. [192.168.8.1:52195 -> 192.168.8.162:8443] [05:06:32.584379] [Wed Apr 17 05:06:32 2013] [error] [client 192.168.8.1] [7f0eb400b3d0] [5144] SSL0208E: S [read] Keywords: ibm
apple
java
server
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Creating and working with a SSL Certificate Authority in IBM HTTP Server
Tue, Apr 16th 2013 10:06p Dave Hay With thanks to Mike Whale and his excellent blog post here: - Create your own CA using ikeycmd from which I have ripped stolen reused this content. This article describes how to create a SSL Certificate Authority using IBM HTTP Server 8.0.0.5, and then generate and use certificates signed by this CA. Alternatively, an organisation would go to a public CA such as Verisign, or they'd have their own internal CA. Create a CA keystore /opt/IBM/HTTPServer/java/jre/bin/ikeycmd -keydb -create -db CA. [read] Keywords: ibm
notes
apple
firefox
java
password
server
CWWIM4529E and SECJ0369E seen when authenticating a user in WebSphere Application Server
Tue, Apr 9th 2013 10:46p Dave Hay If you see exceptions such as: - [08/04/13 13:11:01:956 BST] 0000001d LTPAServerObj E SECJ0369E: Authentication failed when using LTPA. The exception is com.ibm.websphere.wim.exception.PasswordCheckFailedException: CWWIM4529E The password verification for the 'wasadmin' principal name failed. Root cause: 'javax.naming.AuthenticationException: [LDAP: error code 49 - Invalid Credentials]; Resolved object: 'com.sun.jndi.ldap.LdapCtx@a9d2c4f9''.. [08/04/13 12:35:42:483 BST] 0000001c LTPASe [read] Keywords: ibm
application
password
profile
server
websphere
177
IBM Rational Software Architect Version 8.5 for Mac OSX - A Technology Preview
Mon, Apr 8th 2013 9:08a Dave Hay IBM® Rational® Software Architect is an advanced and comprehensive application design, modeling and development tool for end-to-end software delivery. The latest version is updated with the latest in design and modeling technologies, comprehensive support for emerging technologies around BPMN2, SOA and Java™ Enterprise Edition 5, and delivers the best of breed tooling that integrates with IBM's application lifecycle management solutions. Evaluate: IBM Rational Software Architect [read] Keywords: ibm
application
development
enterprise
java
mac
soa
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Problems with IBM Business Monitor Messaging Engine ( SI Bus ) following a teardown
Thu, Mar 28th 2013 4:46a Dave Hay *CAVEAT* This post relates to my OWN individual experiences on my OWN personal VMware environment. This is NOT NOT NOT a recipe for everyone; your mileage may vary. If in doubt, PLEASE raise a PMR with IBM Support *CAVEAT* Having performed a fresh installation of IBM Business Monitor 8.0.1.1 against Oracle 11g R2 after a "teardown" - where I cleaned up the database objects created the first time around - I noticed that the Messaging Engine cluster ( that hosts the Service Integration Bus ) kep [read] Keywords: ibm
database
integration
java
oracle
server
sql
vmware
210
Good Decision! Five Useful Technical Patterns for Operational Decision Management
Thu, Mar 28th 2013 12:29a Dave Hay Technical patterns are useful as best practice guides for both selecting and using technology. The technical patterns for IBM Operational Decision Manager (ODM) technology can be divided into two sets, those that align with its business rules capabilities and those that align with the business events capabilities. 1. Complex or Volatile Routing2. Input Data Validation3. Data Enrichment and Calculation4. Data Augmentation of Decision Service Requests 5. Application Modernization Want to know mor [read] Keywords: connections
ibm
application
best practice
230
More about Oracle DB ...
Wed, Mar 27th 2013 12:09a Dave Hay Following on from my earlier post about Oracle DB: - Oracle Database - My First Few Baby Steps .... one of my colleagues picked up on my point about starting the SQLPlus application with authentication: - $ sqlplus sys/passw0rd@orcl as SYSDBA by saying: - "Whenever you use "as sysdba" as a mechanism to log on, Oracle will assume you are logging in using OS level authentication. As such you don't need to provide a username and password. This method of logon is only available to a few ... [read] Keywords: application
database
db2
oracle
password
profile
server
sql
195
Updating IBM Business Process Manager 8
Wed, Mar 27th 2013 12:09a Dave Hay I'm writing this down as I'm going to need it at some point in the future :-) So here's a Bash script to list the fixes available to me: - list_fixes.sh #!/bin/sh for z in /store/BPM801/Fixes/*.zip do echo $z Done and one to list more detail about each fix: - list_fix_detail.sh #!/bin/sh for z in /store/BPM801/Fixes/*.zip do unzip -c $z repository.xml | grep 'information name=' | sed 's/^.{25}//' | sed "s/'.*$//g" done and one to expand a list of fi [read] Keywords: ibm
eclipse
websphere
xml
187
IBM Business Monitor 8.0.1.1 and the Dispatcher
Tue, Mar 26th 2013 9:07a Dave Hay As per my previous posts, I've just started to dabble with Oracle 11g R2 as my database for IBM Business Monitor, instead of using DB2 which is my default position. The installation had been relatively smooth, but I then had an issue with the Cognos Dispatcher which, I was sure, was Oracle-related. Think again …. I was seeing: - 127.0.0.1:9097 31198 2013-03-26 12:00:54.796 +0 pogoStartup na na 0 Thread-54 DISP 6235 1 Audit.Other.dispatcher.DISP.pogo pogo com.cognos.pogo.contentmanager.coordin [read] Keywords: ibm
apple
database
db2
java
oracle
server
xml
Oracle Database - My First Few Baby Steps ....
Mon, Mar 25th 2013 12:05p Dave Hay I am just starting to find my feet with Oracle DB, having installed Oracle 11g R2: - -rw-r--r--@ 1 hayd staff 1239269270 22 Mar 10:16 linux.x64_11gR2_database_1of2.zip -rw-r--r--@ 1 hayd staff 1111416131 22 Mar 10:15 linux.x64_11gR2_database_2of2.zip Now I knew that I had to set two environment-specific variables, using ~/.bashrc ( in my case ): - export ORACLE_HOME=~/app/orauser/product/11.2.0/dbhome_1/ export ORACLE_SIDE=orcl and yet I kept seeing: - ERROR: ORA-12162: TNS:net service na [read] Keywords: admin
apple
application
database
enterprise
linux
network
oracle
sql
130
IBM Business Process Manager V8.0 Performance and Tuning Best Practices
Mon, Mar 25th 2013 12:05p Dave Hay Abstract This IBM® Redpaper™ publication provides performance tuning tips and best practices for IBM Business Process Manager (BPM) V8.0 (all editions) and IBM Business Monitor V8.0. These products represent an integrated development and runtime environment based on a key set of service-oriented architecture (SOA) and business process management technologies. Such technologies include Service Component Architecture (SCA), Service Data Object (SDO), Business Process Execution Language for Web [read] Keywords: ibm
application
development
java
server
soa
websphere
152
IBM WebSphere Portal 8.0 Performance Tuning Guide Version 1.1, February 2013
Mon, Mar 25th 2013 5:27a Dave Hay Found this: - IBM WebSphere Portal 8.0 - Performance Tuning Guide Version 1.1, February 2013 This white paper provides a basis for parameter and application tuning for IBM WebSphere Portal 8.0. Both tuning and capacity are affected by many factors including the workload scenario and the performance measurement environment. For tuning, the objective of this paper is not necessarily to recommend specific values, but to make readers aware of the parameters used in the Portal performance benchmarks [read] Keywords: ibm
ldd
lotus
application
websphere
websphere portal
180
Note to self - limiting the amount of information that IBM HTTP Server returns
Fri, Mar 22nd 2013 1:42p Dave Hay I'm thinking about security, as should we all. By default, IBM HTTP Server ( and, I guess, anything based upon Apache HTTPD ), automatically returns it's version: - in the HTTP response header ( as evidenced here using Firebug ). This can be disabled by changing: - ServerSignature On to: - ServerSignature Off in httpd.conf ( requiring IHS to be restarted ). This works alongside the related directive: - ServerTokens Prod However, I still see the same: - The trick appears to be also add: - A [read] Keywords: ibm
policies
email
enterprise
linux
network
red hat
security
server
99
Aide Memoire - Working with Cognos CACerts in IBM Business Monitor 8.0.1.1
Thu, Mar 21st 2013 10:49a Dave Hay Listing what we have $ /opt/IBM/WebSphere/AppServer/java/jre/bin/ikeycmd -cert -list -db /opt/IBM/WebSphere/AppServer/profiles/BAMN1Profile/cognos/BAMSR011.Support/configuration/signkeypair/jCAKeystore -pw MONITOR -type pkcs12 Importing the WAS certificate $ /opt/IBM/WebSphere/AppServer/java/jre/bin/ikeycmd -cert -add -db /opt/IBM/WebSphere/AppServer/profiles/BAMN1Profile/cognos/BAMSR011.Support/configuration/signkeypair/jCAKeystore -type pkcs12 -file /tmp/wasroot.cert -label WASCERT -pw MONITO [read] Keywords: ibm
java
websphere
166
Discovering what's eating my disk space in Linux
Wed, Mar 20th 2013 12:49p Dave Hay With thanks to Wikipedia: - du (Unix) $ du --max-depth=1 -c -h -x / 12K /.dbus 17M /sbin 78M /etc 0 /proc 1.1G /tmp 4.6G /home 0 /misc 4.4G /usr 5.2G /var 346M /lib 16K /lost+found 0 /dev 72M /root 4.0K /cgroup 6.5K /mnt 7.3G /opt 4.0K /srv 4.0K /boot 4.0K /media 4.0K /selinux 30M /lib64 0 /sys 9.1M /bin 0 /net 23G / 23G total Now I can see the villain :-) [read] Keywords: apple
linux
wiki
169
Using Multitail to view multiple logs, all at the very same time
Wed, Mar 20th 2013 11:29a Dave Hay As I'm going through the motions of installing and running IBM BPM Advanced 8.0.1.1 on Linux, I wanted a way to keep multiple log files open all at the very same time. I harked back to an episode of This Week In Lotus, on which I appeared back in 2010, when I recommended the use of Multitail for that precise purpose. I re-visited the Multitail site here - http://www.vanheusden.com/multitail/index.php - and, from there, found a link to a set of RPMs that someone has kindly pulled together here. [read] Keywords: ibm
lotus
linux
websphere
129
ADMG0253E: Matching template default could not be found or is not valid for this server
Tue, Mar 19th 2013 9:49a Dave Hay Note to self. If you see: - WASX7017E: Exception received while running file "jython/create_app_server.py"; exception information: com.ibm.websphere.management.cmdframework.CommandValidationException: ADMG0253E: Matching template default could not be found or is not valid for this server. when attempting to create a WAS cluster: - AdminTask.createClusterMember('[-clusterName '+clusterName+' -memberConfig [-memberNode '+nodeName+' -memberName '+clusterMemberName+' -memberWeight 2 -genUn [read] Keywords: ibm
application
server
websphere
171
Setting static IP addresses for Network Manager
Tue, Mar 19th 2013 8:09a Dave Hay Note to self: - If you want to set/modify a static IP address for Network Manager ( I'm using Red Hat Enterprise Linux 6.3 ), the relevant configuration file is: - /etc/sysconfig/network-scripts/ifcfg-Auto_eth0 TYPE=Ethernet BOOTPROTO=none IPADDR=192.168.8.144 PREFIX=24 GATEWAY=192.168.8.2 DEFROUTE=yes IPV4_FAILURE_FATAL=yes IPV6INIT=no NAME="Auto eth0" UUID=78dd3baf-7fa9-4413-8174-ac44652a9371 ONBOOT=yes HWADDR=00:0C:29:4B:80:A4 DNS1=192.168.8.2 LAST_CONNECT=1363700527 [read] Keywords: enterprise
linux
network
red hat
Detected kernel config that is incompatible with DB2 NUMA support
Fri, Mar 15th 2013 9:02a Dave Hay If you see: - $ db2start 03/15/2013 13:57:23 0 0 SQL1042C An unexpected system error occurred. SQL1032N No start database manager command was issued. SQLSTATE=57019 $ cat /home/db2inst1/sqllib/db2dump/db2diag.log …2013-03-15-13.57.23.036789+000 E3499E346 LEVEL: Severe PID : 25653 TID : 140078121195296PROC : db2star2 INSTANCE: db2inst1 NODE : 000 FUNCTION: DB2 UDB, oper system services, sqloKADetermineNUMASupport, probe:50 DATA #1 : Dete [read] Keywords: ibm
database
db2
enterprise
laptop
linux
red hat
redhat
277
To script or not to script
Thu, Mar 14th 2013 9:03a Dave Hay One of my colleagues posted this image in response to my post, on Connections: - Spent an hour writing a Jython script to do something that I can do in the WAS Admin console in about 5 seconds. Why ? 'Cos it's repeatable ….. [read] Keywords: admin
connections
234
More fun with NFS on Red Hat Enterprise Linux
Tue, Mar 12th 2013 12:22p Dave Hay Hot on the heels of my last post: - I hit another apparent show-stopper with NFS. In fact, I hit two problems. In the first instance, I was seeing: - $ mount 122.55.228.172:/media/Software /mnt mount.nfs: rpc.statd is not running but is required for remote locking. mount.nfs: Either use '-o nolock' to keep locks local, or start statd. mount.nfs: an incorrect mount option was specified I spent nearly an hour trying to debug this, until inspiration ( and, perhaps, a spot of Google helped ). Gu [read] Keywords: apple
enterprise
google
linux
red hat
server
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Seeing "mount clntudp_create: RPC: Program not registered" when starting NFS on Red Hat Enterprise Linux
Tue, Mar 12th 2013 12:22p Dave Hay This was a classic Doh! moment. I kept seeing: - mount clntudp_create: RPC: Program not registered when I was trying to check the status of my NFS exports: - $ cat /etc/exports /media/Software *(rw,no_root_squash) using the command: - $ showmount -e It took me a few minutes to realise why. NFS wasn't running, as evidenced by: - $ chkconfig --list | grep -i nfs nfs 0:off 1:off 2:off 3:off 4:off 5:off 6:off nfslock 0:off 1:off 2:off 3:on 4:on 5:on 6:off I set the service [read] Keywords: apple
enterprise
linux
red hat
Webcast replay: WebSphere Application Server Top Five Performance Topics
Mon, Mar 11th 2013 11:05a Dave Hay Saw this from @IBM_AppServer on Twitter: - Delivered straight from the source, this presentation looks into the most common performance topics addressed by WebSphere Application Server Level 2 Support. Empowered with this information, you'll be ble to either avoid these particular issues altogether or at the very least expedite resolution. Webcast replay: WebSphere Application Server Top Five Performance Topics [read] Keywords: ibm
application
server
twitter
websphere
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What's new in IBM Business Process Manager V8
Mon, Mar 11th 2013 10:43a Dave Hay Saw this on Twitter, thanks to @IBM_BPM Summary: This article describes the highlights of the newly announced IBM Business Process Manager V8, including a newly redesigned Process Portal, integration with Enterprise Content Management systems, searching and sharing of content between Process Centers, enhanced governance capabilities, and other new features. This content is part of the IBM Business Process Management Journal. What's new in IBM Business Process Manager V8 [read] Keywords: ibm
enterprise
integration
twitter
IBM Business Monitor - Fixing REST Endpoints
Wed, Mar 6th 2013 8:05a Dave Hay If you see this: - then you probably forgot to set your REST endpoints when you imported your Deployment Environment into your IBM Business Process Manager or IBM Business Monitor environment. Note the highlighted portion of the URL - this points at the WRONG host :-) Silly you :-) Good news, it can be resolved simply using the WAS Integrated Systems Console ( ISC ) and, I imagine, wsadmin. Here's the ISC route: - [read] Keywords: ibm
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More on the AJAX Proxy
Wed, Mar 6th 2013 5:25a Dave Hay Following on from my earlier posts, I've now discovered, thanks to @WAS_John, how to determine whether the AJAX Proxy config ( proxy-config.xml ) actually made it into my cluster member's configuration. He explained that the update process: - wsadmin> AdminTask.updateBlobConfig('[-clusterName BAMSR01.WebApp -propertyFileName "/opt/IBM/WebSphere/AppServer/profiles/BAMDMProfile/BusinessSpace/BAMSR01.WebApp/mm.runtime.prof/config/proxy-config.xml" -prefix "Mashups_"]') actually updates r [read] Keywords: agent
connections
ibm
ajax
apple
applications
google
twitter
websphere
xml
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"Array index out of range: 0" seen when updating AJAX Proxy Config in IBM Business Monitor 8.0.1
Wed, Mar 6th 2013 4:45a Dave Hay If you get: - WASX7015E: Exception running command: "AdminTask.updateBlobConfig('[-clusterName BAMR01.WebApp -propertyFileName "/opt/IBM/WebSphere/AppServer/profiles/BAMDMProfile/BusinessSpace/BAMSR01.WebApp/mm.runtime.prof/config/proxy-config.xml" -prefix "Mashups_"]')"; exception information: java.lang.Exception: java.lang.Exception: java.lang.ArrayIndexOutOfBoundsException: Array index out of range: 0 when running: - wsadmin> AdminTask.updateBlobConfig('[-clusterName BAMR01. [read] Keywords: ibm
ajax
java
websphere
xml
244
More on IBM Business Monitor and Cognos BI - Patience is the key
Mon, Mar 4th 2013 9:45a Dave Hay If you get this: - IBM Cognos An error has occurred. DPR-ERR-2109 The dispatcher cannot service the request at this time. The dispatcher is still initializing. Contact your administrator if this problem persists. Please try again or contact your administrator. from the Cognos Dispatcher: - http://rhel6.uk.ibm.com:9081/p2pd just wait and watch: - $ tail -f /opt/IBM/WebSphere/AppServer/profiles/BAMN1Profile/logs/BAMSR011.Support/SystemOut.log for: - [3/4/13 16:10:13:96 [read] Keywords: ibm
server
websphere
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Fun with DB2 UDB following loss of / file system
Mon, Mar 4th 2013 7:25a Dave Hay As per my earlier post: - Fun with Linux disks I saw this when testing JDBC connections: - The test connection operation failed for data source Monitor_Admin_Database on server dmgr at node BAMDMNODENode with the following exception: java.sql.SQLNonTransientException: DB2 SQL Error: SQLCODE=-30082, SQLSTATE=08001, SQLERRMC=42;ROOT CAPABILITY REQUIRED;, DRIVER=4.11.69 DSRA0010E: SQL State = 08001, Error Code = -30,082. View JVM logs for further details. having seen exceptions such as: - com.ib [read] Keywords: connections
ibm
database
db2
google
java
linux
password
server
sql
websphere
304
Fun with Linux disks
Mon, Mar 4th 2013 6:03a Dave Hay So this morning, when I landed into work, I saw an unexpected set of symptoms from my partially built IBM Business Monitor environment. First of all, I saw this when I attempted to list my WAS profiles: - $ /opt/IBM/WebSphere/AppServer/profiles/BAMDMProfile/bin/manageprofiles.sh -list JVMSHRC226E Error opening shared class cache file JVMSHRC336E Port layer error code = -300 JVMSHRC337E Platform error message: Read-only file system JVMJ9VM015W Initialization error for library j9shr26(11): JV [read] Keywords: ibm
database
db2
java
linux
sql
websphere
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Performance issues while accessing LDAP in Federated repository environment
Sun, Mar 3rd 2013 11:05a Dave Hay Also saw this on Twitter today: - Problem(Abstract) Slow response time is experienced while VMM makes calls to LDAP during login, membership resolution, search, and so on. Symptom Slow response time of VMM when configured with LDAP. Cause There could be several cause for slow response time: amount of data in LDAP, how data is stored in LDAP, LDAP response time, how the LDAP repository is configured in VMM, and so on. Review the Resolving the problem section and find the cause that might be [read] Keywords: ibm
twitter
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Configuring IBM Business Process Management Human Task Management widgets for use in WebSphere Portal
Sun, Mar 3rd 2013 11:05a Dave Hay Saw this on Twitter earlier: - The Human Task Management widgets in IBM®Business Process Manager V7.5 are designed to run in a Business Space environment, but they can also be run in IBM WebSphere®Portal V7. This article describes how to install, configure, and customize these widgets in a Portal environment. This enables you to build a unified environment of portlets and widgets within a single web portal page, so that you can run BPM processes and tasks in your portal pages. This content is [read] Keywords: ibm
twitter
websphere
websphere portal
widgets
Importing SSL certificates into the WebSphere Application Server CACerts certificate store
Sat, Mar 2nd 2013 12:02p Dave Hay So I saw this in my WAS logs ( for the IBM Business Monitor instance that hosts Cogos ): - /opt/IBM/WebSphere/AppServer/profiles/AppSrv01/cognos/PCSR011.Support/logs/cogserver.log CM-SYS-5157 Content Manager failed to notify the dispatcher "https://rhel6.uk.ibm.com:8443/p2pd/servlet/dispatch" of a running status change. CM-REQ-4128 An input/output error occurred executing an external request to the connector "CM". java.security.cert.CertificateException: CAM-CRP-1072 The certificate with [read] Keywords: ibm
apple
application
java
security
server
websphere
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Resolving WAS -> DB2 problems - create the darned database
Thu, Feb 28th 2013 11:06p Dave Hay If you get: - [2/28/13 12:22:51:686 GMT] 00000067 DataSourceCon E DSRA8040I: Failed to connect to the DataSource. Encountered "": java.sql.SQLException: null DSRA0010E: SQL State = 58031, Error Code = -1,031 Check that the database has been created: - $ db2 create database RTSDB automatic storage yes using codeset UTF-8 territory US pagesize 32768 DB20000I The CREATE DATABASE command completed successfully. [read] Keywords: database
db2
java
sql
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Fun with IBM HTTP Server
Thu, Feb 28th 2013 10:42p Dave Hay I was getting HTTP 404 for: - https://10.222.36.21:8443/teamserver/faces/login.jsp Looking at the IHS error.log, I saw: - [Thu Feb 28 11:39:16 2013] [error] [client 28.103.96.87] File does not exist: /opt/IBM/HTTPServer/htdocsext/teamserver and the Plugin log ( with LogLevel="Error" in plugin-cfg.xml ): - [Thu Feb 28 11:39:16 2013] 00003c42 04cfe950 - DETAIL: ws_common: websphereShouldHandleRequest: trying to match a route for: vhost='10.222.36.21'; uri='/teamserver/faces/login.jsp' [read] Keywords: ibm
server
xml
Top 5 authorization security considerations in Business Process Management
Sun, Feb 24th 2013 8:26a Dave Hay All users are not created equally. Authorization is the process of ensuring that a user (or other computer system) has permission to perform a given act. IBM Business Process Manager defines a very fine-grained authorization model. Getting this model right – ensuring that only the right people have access to certain resources – is key to securing your Business Process Management environment. Using excerpts from J Keith Wood and Jens Engelke's new IBM Redbooks publication IBM Business Proces [read] Keywords: ibm
security
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IBM Business Process Manager V8.0 Performance and Tuning Best Practices
Sun, Feb 24th 2013 8:10a Dave Hay Abstract This IBM® Redpaper™ publication provides performance tuning tips and best practices for IBM Business Process Manager (BPM) V8.0 (all editions) and IBM Business Monitor V8.0. These products represent an integrated development and runtime environment based on a key set of service-oriented architecture (SOA) and business process management technologies. Such technologies include Service Component Architecture (SCA), Service Data Object (SDO), Business Process Execution Language for Web [read] Keywords: ibm
application
development
java
server
soa
websphere
220
More on IBM BPM Theming via WebDAV
Fri, Feb 22nd 2013 10:02a Dave Hay So I posted about BPM 8.0.1 and WebDAV yesterday, and was pleased as punch to find that the WebDAV support in Mac OS X was so smooth. Imagine my surprise to find that it's not quite as easy with Windows :-( My colleague was trying, and struggling, to get WebDAV working on her Windows 2008 Server VM, hosting BPM, and also with Windows 7 on her desktop. In both cases, using Windows Explorer etc. to attempt to map a connection to the BPM server via WebDAV, she was getting a particularly useless ex [read] Keywords: ibm
desktop
mac
server
vm
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IBM Business Process Manager - Theming and Scheming
Thu, Feb 21st 2013 10:25a Dave Hay So, in the past, I've written about theming using WebSphere Portal via the excellent WebDAV interface. Imagine my surprise when one of my colleagues mentioned that IBM BPM also has the same functionality. I'm running, as I may have mentioned before, IBM BPM Advanced 8.0.1 on WAS 8.0.0.5, all on a Linux platform. However, my desktop is, as I may have mentioned before (!), an Apple Mac. Therefore, WebDAV is very much out of the box, on both sides of the fence. So, with my BPM server all up and r [read] Keywords: admin
ibm
apple
desktop
interface
linux
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server
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210
10 New Theming Powers in WebSphere Portal 8.0.0.1
Wed, Feb 20th 2013 9:42p Dave Hay I saw this on Cody Burleson's blog, and wanted to re-share it here, even though I don't work with WebSphere Portal as much as I did when I was with ISSC ( now being an ISSW kid instead ): - As you may know by now, WebSphere Portal 8.0.0.1 released recently with a handful of exciting new features. With them are ten new concepts related to theming, which have been documented in the WebSphere Portal family wiki. Knowledge is power, so feast your brain on these brand new articles from the IBM doc [read] Keywords: ibm
apple
css
enterprise
mobile
twitter
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199
WASX7017E and ADMC0008E seen when federating LDAP into an IBM BPM Advanced 8.0.1 environment
Wed, Feb 20th 2013 6:44a Dave Hay Can you say "Doh!" ? In my case, I can/did, as the problem was clearly between the chair and the keyboard. I saw this exception earlier today: - WASX7017E: Exception received while running file "add_ldap.py"; exception information: java.lang.NullPointerException: java.lang.NullPointerException whilst trying to federate an LDAP ( IBM Bluepages, for the record ) into my IBM BPM 8.0.1 environment, using a Jython script. I also saw: - [20/02/13 13:26:11:100 GMT] 00000025 GenericSerial E ADMC0 [read] Keywords: ibm
notes
java
security
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Performance tuning considerations when IBM Business Process Manager (BPM) is running in a virtual machine
Mon, Feb 18th 2013 10:06a Dave Hay Saw this: - on Twitter today: - Performance tuning considerations when IBM Business Process Manager (BPM) is running in a virtual machine Problem(Abstract) Running IBM Business Process Manager in a virtual machine is supported. However, there are some additional considerations when running servers in a virtual machine (VM) environment. Resolving the problem When you are running a Java Platform, Enterprise Edition (Java EE) application in a virtual machine (VM) there are additional considerat [read] Keywords: ibm
application
enterprise
java
twitter
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257
Breaking in the new TV
Sat, Feb 16th 2013 10:24a Dave Hay I'm the proud recipient of an Apple TV ( TV ), thanks to my family and an early birthday present. It's a thing of beauty, and very very easy to set up. I plugged it into my telly via HDMI, added some power and c'est voila. It automagically picked up my wireless, so I entered the WPA2 key, and we're all up and running. The built-in apps are pretty neat, although it'd be nice to have some UK content, along with the US-centric stuff such as MLB.tv ( whatever that is ) and WSJ ( Wall Street [read] Keywords: apple
iphone
macbook
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SPNEGO and Connections 4 CR1 or CR2 - remember this!!
Fri, Feb 15th 2013 5:45a Dave Hay I spotted this on Robert Farstad's blog this AM, and wanted to share it: - SPNEGO and Connections 4 CR1 or CR2 - remember this!! From Connections 4.0.0 to 4.0.1 or 4.0.2, the SPNEGO the Filter-criteria has changed. So if your Connections SSO solution does not work after upgrading your 4.0.0 environment, check the filter. The values are now: request-url!=noSPNEGO;request-url!=/mobile;request-url!=/nav;request-url!=/bundles/js;request-url!=/static;request-url!=/activities/oauth;request-url!=/b [read] Keywords: connections
dogear
mobile
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WebSphere Application Server - Dynamic Cache ( DynaCache ) in a Clustered Environment
Thu, Feb 14th 2013 8:22a Dave Hay For the IBM BPM project on which I'm currently engaged, we're looking at the use of DynaCache across a clustered WAS 8 environment. Knowing a little about DC, I wanted to read up further, especially with regard to the cache's behaviour across a multi-node cluster. Here's a few useful items: - DynaCache technical overview Think of DynaCache as a sophisticated Java™ Hashtable. The code used to provide the in-memory cache services extends the Java Dictionary class, which is the abstract pare [read] Keywords: ibm
application
java
server
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Problems installing IBM Business Process Manager Advanced 8.0.1
Wed, Feb 13th 2013 4:45a Dave Hay So, during my scripted installation of IBM BPM 8.0.1 today, my installation failed with: - CRIMA1154E ERROR: Error installing. CRIMC1029E ERROR: Adding file com.ibm.websphere.WAS.server_014_all.all_8.0.5.201210222356 to repository /opt/IBM/InstallationManager/eclipsecache failed. CRIMC1085E ERROR: Resumable download failed for: /mnt/hgfs/DaveHay/BPM/fixes/Base/files/com.ibm.websphere.WAS.server_014_all.all_8.0.5.201210222356.file. ERROR: Encountered 2 times: Failed to [read] Keywords: ibm
eclipse
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Compatibility of IBM Business Process Manager (BPM) and IBM WebSphere Portal releases
Tue, Feb 12th 2013 8:25a Dave Hay I saw this on Twitter earlier today: - Question Which configuration combinations are supported to use the Coach portlets or other business process integration portlets from IBM Business Process Manager Advanced Version 7.5.x or 8.0.x with WebSphere Portal? What are the required prerequisites? Cause WebSphere Portal can be installed on IBM WebSphere Application Server Version 6.1, 7.0, or 8.0. Answer The following matrix covers which configurations are supported in a two-cell configuration [read] Keywords: ibm
application
integration
server
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MacBook Pro with Retina Display - Sometimes slow to wake ...
Sun, Feb 10th 2013 8:45a Dave Hay On rare occasions, I've noticed that my MBPr ( aka MBP:TNG ) is slow to wake up from standby. By slow, I mean that it can take a whole 10 seconds for it to be ready to receive my password :-) Compared to previous Windows machines, 10 seconds is still lightning fast but I'm a purist ! A quick Google search brought me to this blog post: - "Fixing" Slow Wake for MacBook Pro W/ Retina Display where the author ( E R Walter ) explains that one can use the pmset command to regulate the interval bef [read] Keywords: apple
google
laptop
mac
macbook
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Secure in my CUPS
Fri, Feb 8th 2013 1:45p Dave Hay So I was struggling to add my newly purchased HP Desktop printer to my Ubuntu 10.04 ( old skool ) laptop. Whenever I attempted to remove my old Canon and Kodak printers, or add the new HP printer, I was prompted to authenticate as root even though I was logged in as a non-root user, which is a pain as Ubuntu doesn't typically use the root account, instead allowing one to use sudo bash to achieve root. I then tried to access CUPs via the web UI: - https://localhost:631/admin Similar issues ther [read] Keywords: admin
administration
desktop
iphone
laptop
linux
mac
wifi
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Guide to properly setting up SSL within the IBM HTTP Server
Mon, Feb 4th 2013 12:25p Dave Hay This is an oldie but a goodie: - The following information can be used as a guide for setting up the Secure Sockets Layer (SSL) within the IBM HTTP Server. This document covers information on setting up SSL virtualhosts, creating keyfiles, certificates along with how to protect access to directories and URLs to specific ciphers. Also, included is documentation on how to trace and record SSL traffic between a client browser and the Web server. Guide to properly setting up SSL within the IBM HTTP [read] Keywords: ibm
server
twitter
Patching IBM Business Process Manager Advanced 8.0.1 on Linux
Wed, Jan 30th 2013 8:46a Dave Hay This is an aide memoire as I know I will need it before too long: - Download Required Fixes At the time of writing, there's only two iFixes for IBM BPM Advanced 8.0.1 on IBM Fix Central. Install Fixes $ mkdir /tmp/bpm801fixes $ mkdir /tmp/bpm801fixes/IFJR44937 $ mkdir /tmp/bpm801fixes/IFJR45071$ unzip ~/8.0.1.0-WS-BPM-IFJR44937.zip -d /tmp/bpm801fixes/IFJR44937/$ unzip ~/8.0.1.0-WS-BPM-IFJR45071.zip -d /tmp/bpm801fixes/IFJR45071/$ /opt/IBM/InstallationManager/eclipse/tools/imcl install 8.0.1.0- [read] Keywords: ibm
eclipse
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IBM Process Designer - Not playing nicely with IBM Process Center ( BPM Advanced 8.0.1 )
Wed, Jan 30th 2013 3:06a Dave Hay I've seen this a few times now, and wanted to get my initial thoughts down on "paper". As part of an IBM Business Process Manager Advanced 8.0.1 installation, there's normally a requirement to use the IBM Process Designer (IPD) developer client to create and deploy processes up to the Process Center server. BPM makes this even easier by including a link to the Process Designer tool from the Process Center page: - https://bpmpc.uk.ibm.com:8443/ProcessCenter/repository/com.lombardisoftware.rep [read] Keywords: admin
ibm
database
db2
eclipse
java
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IBM Business Process Manager Advanced 8.0.1 - Bootstrapping not …. strapping ?
Tue, Jan 29th 2013 8:05a Dave Hay I saw this earlier: - INFO:Error creating bean with name 'ejbCore.RepositoryServicesCore' defined in class path resource [registry.xml]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [com.lombardisoftware.server.ejb.repositoryservices.RepositoryServicesCore]: Constructor threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'ejbCore.P [read] Keywords: admin
ibm
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Reducing the size of IBM installation media with the IBM Packaging Utility
Fri, Jan 25th 2013 7:46a Dave Hay This came up on Twitter earlier today: -vanstaub How and why I reduced the #WebSpherePortal installation media from 17GB to around 3GB https://t.co/13nxxcHa #ibmportal 25/01/2013 14:33The author, Van Staub, has written a rather neat article on IBM developWorks - Reducing the size of IBM installation media with the IBM Packaging Utility - which is definitely worth a read: - Recently, I received an inquiry on reducing the size of the installation media for WebSphere Portal 8. An administrator ha [read] Keywords: ibm
apple
application
server
twitter
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374
IBM Installation Manager - Permission to Launch
Fri, Jan 25th 2013 3:25a Dave Hay I had some fun and games with IBM Installation Manager 1.6.0 today ( on a 64-bit version of Red Hat Enterprise Linux 6.3, but that's not important right now ). It all stemmed from when I ( stupidly ) tried to run IIM as root, having installed and configured it as a non-root user - wasadmin. This is what I saw: - ERROR: The Installation Manager cannot be started.The registry information does not exist or does not match with this executable.This may happen if you are trying to run Installation Ma [read] Keywords: agent
ibm
application
eclipse
enterprise
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Performance tuning considerations when IBM Business Process Manager (BPM) is running in a virtual machine
Thu, Jan 24th 2013 6:05a Dave Hay One of my colleagues, Mike, blogged this earlier today, and I thought it worth re-sharing as it's relevant to IBM BPM *and* any other WAS-based workload running on VMware, or similar. Performance tuning considerations when IBM Business Process Manager (BPM) is running in a virtual machine Problem(Abstract) Running IBM Business Process Manager in a virtual machine is supported. However, there are some additional considerations when running servers in a virtual machine (VM) environment. Resolvi [read] Keywords: ibm
application
enterprise
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WebSphere Portal - Switching Databases
Thu, Jan 24th 2013 3:26a Dave Hay One of my colleagues asked me how he could connect a newly installed WebSphere Portal v8 profile ( wp_profile ) to an existing set of Portal databases - JCRDB, RELEASEDB, CUSTDB etc. - without initialising the data within those DBs. The reason for this was that he'd reinstalled WebSphere Portal, but didn't want to lose the data that he'd previously transferred ( from Derby ) into the "real" DB2 databases. This seemed like a really straightforward question, especially given the fact this wou [read] Keywords: ibm
ldd
lotus
database
db2
linux
profile
server
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websphere portal
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More on the AJAX Proxy and the REST Services Gateway in IBM Business Space 8.0.1
Tue, Jan 22nd 2013 10:25a Dave Hay Following on from my earlier post: - Testing the AJAX Proxy in WebSphere Application Server 8.0 I did see some issues with the AJAX Proxy, when I tried to add and configure a KPIs widget to Business Space ( I'm using IBM Business Monitor 8.0.1 on WAS 8.0.0.5 ), including the following exceptions in SystemOut.log: - [1/22/13 15:16:06:133 GMT] 00000026 URLConnection W BMWPX0011W: The Ajax proxy has been enabled to support unsigned Secure Sockets Layer (SSL) certificates: mapping=/proxy, policy [read] Keywords: ibm
ajax
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Testing the AJAX Proxy in WebSphere Application Server 8.0
Tue, Jan 22nd 2013 10:25a Dave Hay I'm actually using IBM Business Monitor 8.0.1 ( aka Business Activity Monitoring or IBM BM or IBM ! ), but this relates to IBM Business Process Manager 8.X, which also includes the AJAX Proxy to support the Business Space UI. I'm still on a learning curve with this, but I just wanted to report back on some basic AJAX Proxy security/configuration testing. So, the way I see it, the AJAX Proxy can be used to allow an iWidget rendering in Business Space to access services on other Business Space s [read] Keywords: ibm
ajax
application
google
network
password
security
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IBM WebSphere MQ 7.5 - Tuning up the Linux kernel
Sat, Jan 19th 2013 12:05p Dave Hay Following on from my earlier post: - IBM WebSphere Message Broker 8.0.1 - Getting started I've been experimenting with Linux kernel tuning, using the mqconfig tool: - How to configure UNIX and Linux systems for WebSphere MQ This is what mqconfig shows me ( run as user mqm ): - $ ./mqconfig -v 7.5 mqconfig: V3.6 analyzing Red Hat Enterprise Linux Server release 6.3 (Santiago) settings for WebSphere MQ V7.5 System V Semaphores semmsl (sem:1) 250 semaphores [read] Keywords: ibm
apple
enterprise
linux
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Installation of IBM Cognos Business Intelligence has failed. Return code : 1
Tue, Jan 15th 2013 5:25a Dave Hay As part of an IBM Business Monitor 8.0.1 installation, it is necessary to install Cognos Business Intelligence 10.1. Sadly, for me, this was failing with a really useful (NOT!) exception: - Installation of IBM Cognos Business Intelligence has failed. Return code : 1 which is thrown by IBM Installation Manager 1.6. Looking at the IIM log here: - /home/wasadmin/var/ibm/InstallationManager/logs/20130115_1135.xml I could see: - com.ibm.cic.agent.core.Engine com.ibm.cic.agent.core.Engine.Phase pe [read] Keywords: agent
ibm
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Ooops, now I understand what WebSphere Message Broker Toolkit is trying to tell me
Sat, Jan 12th 2013 3:06a Dave Hay Hot on the heels of my earlier posts: - IBM WebSphere Message Broker 8.0.1 - Getting started and: - Installing WebSphere Message Broker Toolkit 8.0.1 on Linux I fired up the Toolkit's Default Configuration Wizard, which almost immediately failed with: - …Jan 12, 2013 8:00:07 AM com.ibm.etools.mft.eou.wizards.EouWizard logAction INFO: Verifying that the user has sufficient group authority for brokers commands. Jan 12, 2013 8:00:07 AM com.ibm.etools.mft.eou.wizards.EouWizard logAction SEVERE: I [read] Keywords: ibm
linux
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workspace
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Installing WebSphere Message Broker Toolkit 8.0.1 on Linux
Sat, Jan 12th 2013 3:06a Dave Hay Following on from my previous post: - IBM WebSphere Message Broker 8.0.1 - Getting started I'm now getting started with the WebSphere Message Broker (WMB) Toolkit. This is what I'd previously downloaded: - -rw-r--r-- 1 wasadmin wasadmins 606945854 Jan 11 17:49 WMB_TOOLKIT_V8.0_LINUX_X86_1.gz -rw-r--r-- 1 wasadmin wasadmins 633016440 Jan 11 17:49 WMB_TOOLKIT_V8.0_LINUX_X86_2.gz -rw-r--r-- 1 wasadmin wasadmins 401541170 Jan 11 17:49 WMB_TOOLKIT_V8.0_LINUX_X86_3.gz As root, I prepared the g [read] Keywords: agent
ibm
application
eclipse
linux
profile
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WebSphere Message Broker 8.0.1 - I'm on a roll ....
Sat, Jan 12th 2013 3:06a Dave Hay As you can probably tell, I'm currently getting stuck into WebSphere MQ and WebSphere Message Broker, so I'm back up on the learning curve. Following earlier posts: - IBM WebSphere Message Broker 8.0.1 - Getting started Installing WebSphere Message Broker Toolkit 8.0.1 on Linux Ooops, now I understand what WebSphere Message Broker Toolkit is trying to tell me I "discovered" one more important fact about WMB on Linux. In order to use it, at least from the command-line, it's necessary to set [read] Keywords: ibm
db2
linux
websphere
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IBM WebSphere Message Broker 8.0.1 - Getting started
Fri, Jan 11th 2013 1:45p Dave Hay This is my first foray with WebSphere Message Broker (WMB) 8.0.1, and a "Back to the Future" moment for WebSphere MQ (WMQ), with which I have not dabbled for 5-6 years. This will be part of a Business Activity Monitoring (BAM) solution using IBM Business Monitor 8.0.1, I'm installing onto a VMware image running Red Hat Enterprise Linux 6.3 ( x86-64 ). This is what I've downloaded from the IBM Software Catalog: - -rw-r--r--@ 1 hayd staff 606945854 11 Jan 14:02 WMB_TOOLKIT_V8.0_LINUX_X86 [read] Keywords: ibm
application
archive
enterprise
google
linux
properties
red hat
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Exceptions to Quotes with IBM Business Process Manager 8.0.1
Thu, Jan 10th 2013 10:05a Dave Hay This one briefly caught me out this afternoon. Having set up IBM Business Process Manager 8.0.1 to work with SSL, one of the final configuration changes is to allow process snapshots to be deployed via HTTPS rather than the default HTTP. This requires the addition of a line to the 100Custom.xml file. Specifically, one has to add the line: - true to the stanza in: - /opt/IBM/WebSphere/AppServer/profiles/PCN1Profile/config/cells/PCCELL/nodes/PCNODE1/servers/PCSR011.AppTarget/proc [read] Keywords: ibm
lotus
symphony
apple
java
microsoft
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IBM Business Process Manager - customising the configuration
Thu, Jan 10th 2013 7:25a Dave Hay Having become recently and intimately acquainted with IBM BPM, it's taken me a little while to become accustomed to the various configuration files that BPM uses. Thankfully, this IBM Technote: - Configuration file overview and explanation for Lombardi Teamworks, WebSphere Lombardi Edition (WLE), and the IBM Business Process Manager (BPM) products has been of immense use, and has validated something that Neil Kolban also says with regard to which file to amend: - Using the 100Custom.xml file to [read] Keywords: ibm
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IBM BPM - Using the SIBDDLGenerator command with DB2 LUW 9.7
Tue, Jan 8th 2013 12:26p Dave Hay I'm writing this down for future reference, as I know that I'll need it in the future. IBM Business Process Manager ( and IBM Business Monitor ) need a set of database tables for the messaging engines that both products make heavy use of. Actually, a number of other products, including WebSphere Portal, can also make use of these: - Creating a JMS resource on DB2 for WebSphere Portal V7.0.0.x running on z/OS The product includes a rather useful little tool, sibddlgenerator, which can be used t [read] Keywords: ibm
database
db2
enterprise
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SSH and X11 on OS X Mountain Lion - No longer OOTB
Mon, Jan 7th 2013 7:25a Dave Hay I have a vague recollection of Stuart McIntyre Tweeting about this when OS X 10.8 Mountain Lion was released, but didn't really follow up at that point. Having now finally got my act together and installed Mountain Lion, I can see what he means. On the rare occasion that I want to connect to one of my Unix servers via X11, I'm used to typing the following command: - $ ssh -X user@hostname.com which, after a short interval, starts a X11 server, and allows me to log in to the remote box as usual [read] Keywords: apple
mac
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twitter
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Using IBM Installation Manager to report on what's available to install
Mon, Jan 7th 2013 4:05a Dave Hay Following on from an earlier post: - Using IBM Installation Manager to report on what's installed here's another potentially useful IBM Installation Manager (IIM) command. This allows one to query an installation repository ( either created using Packaging Utility or by the expansion of a set of images downloaded from Passport Advantage etc. ) and report on the versions of software available. Here's an example for IBM Business Process Manager 8.0.1: - $ /opt/IBM/InstallationManager/eclipse/to [read] Keywords: ibm
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Want to know how and why Linux names its Ethernet adapters ?
Mon, Jan 7th 2013 3:06a Dave Hay I picked this up from a Raspberry Pi forum, whilst trying to get a USB wireless adapter to work with my Pi. …I cannot tell for certain why your device gets renamed from wlan0 to wlan1 but it might be worth looking into "/etc/udev/rules.d/70-persistent-net.rules". This file is created by udev to store the names of network interfaces and keep them consistent throughout the system. Udev should automatically put a comment before each rule, saying which driver is responsible for the interface.… [read] Keywords: enterprise
interface
linux
mac
network
red hat
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