OpenShift PaaS Weekly Tips and Tricks – September 30, 2012

Platform-as-a-service makes deploying applications to cloud fast and easy. But, to get the most out of the OpenShift PaaS, it helps to stay abreast of the interesting technical issues plus their workarounds and solutions. We’ve made this easy with a weekly tips and tricks blog.

Some documentation links are temporarily broken
Due to scheduled maintenance of Redhat Customer Portal between now and Oct 3, 2012, some of the online documentation related links on openshift.com could be broken. During this time, please use the Documentation Page to download or refer to the documents you need.

Tomcat DIY troubleshooting tips
The most common issues from the Tomcat DIY installation blog are port conflicts/bind exceptions.Platform-as-a-service makes deploying applications to cloud fast and easy. But, to get the most out of the OpenShift PaaS, it helps to stay abreast of the interesting technical issues plus their workarounds and solutions. We’ve made this easy with a weekly tips and tricks blog.

Some documentation links are temporarily broken
Due to scheduled maintenance of Redhat Customer Portal between now and Oct 3, 2012, some of the online documentation related links on openshift.com could be broken. During this time, please use the Documentation Page to download or refer to the documents you need.

Tomcat DIY troubleshooting tips
The most common issues from the Tomcat DIY installation blog are port conflicts/bind exceptions. Please review this forum thread for tips on how to resolve them.

Tips on how to restart your applications
Many of us are used to using the rhc client to restart our application, but this forum thread goes over how to do so directly on the gear. This is useful when you can’t authenticate while the OpenShift Authentication modules are under maintenance.

Modules not installable on your NodeJS app?
If you are having issues installing modules on your NodeJS app, you can review documentation to see if the module supports NodeJS 0.6. If it requires NodeJS 0.8, please refer to this forum thread.

Tips on how to work around IP address changes on OpenShift
From time to time, OpenShift will need to migrate your application for the best performance possible. During this migration, your App_URL DNS entry will be updated when IP changes occur. This forum thread goes over some reasons for the IP changes as well as workarounds.

Some tips for Jenkins configurations: Email settings and Plugins
The following forum thread and KB article goes over some key Jenkins configuration tips: Email configuration and How to lookup and install plugins

Special thanks to all Community users who helped report these issues on IRC, Forums and the mailing list. Without you, we won’t know what we have to fix nor how we can improve. So please keep the questions coming!!

Thank you!

Nam Duong – Customer Enablement
Product Marketing Manager
OpenShift | PaaS by Red Hat

http://openshift.redhat.com
Twitter: @openshift, @NamDuong_rh

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Jenkins, News, Node.js, OpenShift Online
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