Author Archives: j mozdzen

Integrating Oracle’s JRE with OpenSUSE

Since Oracle had decided to keep their Java implementation to themselves, distributions have switched to integrating OpenJDK instead of the ex-SUN implementation. Unfortunately, there are companies out there that have not been able to implement their Java applications in a … Continue reading

Posted in Uncategorized | Leave a comment

Adding new data sources to existing RRDs

Tobi Oetiker’s RRD tool (“round-robin database”) is a very powerful and really useful tool set to store long-term monitoring data. The only feature it lacks out of the box is adding new “data sources” to an existing database.

Posted in Linux | Leave a comment

Pacemaker support for live migration of dependent resources

As I had reported over a year ago, up to now it was not possible to use Pacemaker to properly manage resources that both resolve dependencies of other resources and can be migrated live to another node of your cluster. … Continue reading

Posted in Linux, Pacemaker, Xen | Leave a comment