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A Journey of a Thousand Miles Begins with a Single Step

Analysing JPA DDL Generation in Hibernate

Using the JPA (Java Persistence API) 2.0 with Hibernate for a database integration test against a in-memory db like H2 or HSQLDB, is a good way to test the JPA ORM (object relational mapping). In the process, errors might occur depending on the database vendor. Following example illustrate a problem with Hibernate and HSQLDB.

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Configure Logitech Wireless Presenter R400 for Ubuntu 14.04

The Logitech Wireless Presenter R400 is not working properly under Ubuntu 14.04. This post provides a solution, how to get the presenter working properly.

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Change password of ssh key

Existing (private) ssh keys may have a password. If you want to alter the password, the ssh-keygen command will reassign the pass phrase to the existing private key.

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Patch JBoss EAP installation

The patch command is a feature that was added in JBoss EAP 6.2. Following post demonstrates the patching process.

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Use gpg smart card

Import public key from keyserver

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Enable management web console for JBoss/Wildfly

A fresh JBoss EAP installation, has no web console activated. It requires a management user for that. This article explains the basic steps how to activate the management web console.

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