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Latest 7 Posts
WebSphere Application Server Performance Cookbook
Wed, Dec 7th 2016 31
Encrypting WebSphere Application Server system passwords
Tue, Dec 6th 2016 46
IBM BPM - Process Designer and the Mysterious Case of the Hostname
Mon, Dec 5th 2016 50
Troubleshooting Web Services Performance Problems In IBM WebSphere Application Server With Web Services Performance (WSPerf) Trace
Mon, Dec 5th 2016 47
IBM BPM and the Bootstrap Process - Sigh, one day I'll get this right
Mon, Dec 5th 2016 66
Note to self - monitoring User Limits in GNU Linux
Mon, Nov 28th 2016 60
Apple Calendar - Dealing with Spam invitations
Fri, Nov 25th 2016 69
Top 10
WebSphere Application Server - Managing Profiles and Server Names
Fri, Nov 25th 2016 73
Apple Calendar - Dealing with Spam invitations
Fri, Nov 25th 2016 69
IBM BPM and the Bootstrap Process - Sigh, one day I'll get this right
Mon, Dec 5th 2016 66
Note to self - monitoring User Limits in GNU Linux
Mon, Nov 28th 2016 60
Hmmm, macOS Sierra and XQuartz and X11
Thu, Oct 27th 2016 50
IBM BPM - Process Designer and the Mysterious Case of the Hostname
Mon, Dec 5th 2016 50
WebSphere Application Server - Using Java to manage WAS via SOAP over HTTPS
Tue, Nov 15th 2016 49
Executing external Python/Jython scripts from within WebSphere Application Server's wsadmin tool
Thu, Feb 27th 2014 47
Troubleshooting Web Services Performance Problems In IBM WebSphere Application Server With Web Services Performance (WSPerf) Trace
Mon, Dec 5th 2016 47
Encrypting WebSphere Application Server system passwords
Tue, Dec 6th 2016 46




Recent Blog Posts
31
WebSphere Application Server Performance Cookbook
Wed, Dec 7th 2016 7:25a   Dave Hay
I'm not sure if I've posted this before, but it's worth a read, either way: -The WebSphere Application Server Performance Cookbook covers performance tuning for WebSphere Application Server (WAS), although there is also a very strong focus on Java, Operating Systems, and theory which can be applied to other products and environments. The cookbook is designed to be read in a few different ways: • On the go: Readers short on time should skip to the Recipes chapter at the end of the book. In t
46
Encrypting WebSphere Application Server system passwords
Tue, Dec 6th 2016 7:51a   Dave Hay
This from one of my IBM colleagues, Martin Lansche: -...It seems that every day we are bombarded with stories in the technical and mainstream press of attacks of computer systems where passwords are stolen, after which these passwords are then available to attackers. The press frequently points out that one reason that this password data was retrievable is because "it was not encrypted." In this situation, it's important to recognize that the passwords in question are user passwords, those us
50
IBM BPM - Process Designer and the Mysterious Case of the Hostname
Mon, Dec 5th 2016 8:20p   Dave Hay
I saw this: -and this: -[05/12/16 19:29:23:233 GMT] 0000024b HttpProtocolH W com.ibm.bpm.endpoint.impl.strategies.HttpProtocolHostStrategy getEndpointUrl Unable to construct URL because servlet request argument was null[05/12/16 19:29:23:274 GMT] 0000024b HttpProtocolH W com.ibm.bpm.endpoint.impl.strategies.HttpProtocolHostStrategy getEndpointUrl Unable to construct URL because servlet request argument was null[05/12/16 19:29:23:335 GMT] 0000024b HttpProtocolH W com.ibm.bpm.endpoint.impl.strateg
47
Troubleshooting Web Services Performance Problems In IBM WebSphere Application Server With Web Services Performance (WSPerf) Trace
Mon, Dec 5th 2016 6:38p   Dave Hay
This is my current "think" as I'm digging into some BPM performance challenges: -Troubleshooting Web Services Performance Problems In IBM WebSphere Application Server With Web Services Performance (WSPerf) TraceThe WSPerf trace is a feature of IBM WebSphere Application Server. The WSPerf is a troubleshooting aid to assist analysts to resolve web services problems, especially performance problems. WSPerf trace can be used to analyze the speed of web services message traffic in IBM's WebSphere
66
IBM BPM and the Bootstrap Process - Sigh, one day I'll get this right
Mon, Dec 5th 2016 4:57p   Dave Hay
So, again, *IF* I ever see this again: -/opt/IBM/WebSphereProfiles/Dmgr01/bin/bootstrapProcessServerData.sh -clusterName AppClusterBootstraping data into cluster AppClusterWASX7357I: By request, this scripting client is not connected to any server process. Certain configuration and application operations will be available in local mode.java.lang.Exception: java.lang.reflect.InvocationTargetException at com.ibm.bpm.bootstrap.BootstrapProcessServerDataHelper.loadInstallationGuid(BootstrapProcessSe
60
Note to self - monitoring User Limits in GNU Linux
Mon, Nov 28th 2016 9:01a   Dave Hay
This came up last week, and is something that I need to keep an eye on.These are some of the commands that one can/should use to monitor ulimit use on a Linux box: -ps -eLfps -eTfps -Tp `pidof java`top -H -p `pidof java`pstree -p `pidof java`for pid in $(pgrep java); do ls /proc/$pid/fd | wc -l; done
69
Apple Calendar - Dealing with Spam invitations
Fri, Nov 25th 2016 2:56p   Dave Hay
So I keep receiving spam calendar invitations to my Apple Calendar, on iOS and macOS, which is a nuisance.Thankfully, I found this: -Log in to iCloud on the web, open your calendar, and go to ⚙ > Preferences. Under Advanced, you'll find an option to receive calendar invitations by email instead of straight into your calendar.Q: How do I block spam calendar invitation emails?Ok so this works. Create a new calendar (Calendar/File/New Calendar) then open the bogus invite, you should see a dro
73
WebSphere Application Server - Managing Profiles and Server Names
Fri, Nov 25th 2016 2:19p   Dave Hay
This is in the context of managing profiles in WebSphere Application Server, using the manageprofiles.sh command.A friend asked me how he could set the name of a specific server instance ( think JVM ) when he was creating a profile …This is what I told him: -/opt/ibm/WebSphere/AppServer/bin/manageprofiles.sh -profilePath /opt/ibm/WebSphere/AppServer/profiles/diesel -enableService false -nodeName chugger -serverName hst125 -profileName diesel -create -cellName trainsRcool -enableAdminSecurity f
44
Windows 7 - An Update on Updates
Fri, Nov 18th 2016 10:03a   Dave Hay
Acting in my role as my family's IT Crowd representative, I ran an errand of mercy yesterday to help recover a Windows 7 PC that was failing to properly run up.It was booting OK, but was tremendously slow, and it's owner was unable to access the internet ( aka Internet Explorer ).The PC hadn't been booted up for a month or so, and there were a series of overlapping issues, one of which was that the Norton Anti-Virus tool was (a) out-of-date and (b) expired.In parallel, Windows Update hadn't
33
Cool your hot entities in IBM ODM Decision Server Insights
Tue, Nov 15th 2016 4:23p   Dave Hay
This was authored by two of my IBM colleagues, Nigel Crowther and Jonathon CarrCool your hot entities in IBM ODM Decision Server InsightsIn any high-volume event processing system, such as Decision Server Insights in IBM® Operational Decision Manager (ODM), an entity instance referenced by thousands of events is a "hot entity." Hot entities slow down processing, becoming the sole consumer of events within the system. This situation effectively reduces an entire multi-processing grid to wait f




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