A Journey of a Thousand Miles Begins with a Single Step

Configure separate log messages in JBoss

To configure JBoss to log certain messages of log category (class) is a simple way. This post illustrates two ways to achieve it.

Read more

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.

Read more

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.

Read more

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.

Read more

Patch JBoss EAP installation

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

Read more

Use gpg smart card

Import public key from keyserver

Read more

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.

Read more

SSD caching with bcache for Linux

This article describes SSD caching for the HDD drive on a new Ubuntu Linux installation. The contents might as well apply to Debian Jessie.

Read more

Display ExpressCache information

ExpressCache enables systems with a mSATA SSD device as a cache for the harddisk on Windows.

Read more