Load balancing with Apache Karaf Cellar, and mod_proxy_balancer

Thanks to Cellar, you can deploy your applications, CXF services, Camel routes, … on several Karaf nodes. When you use Cellar with web applications, or CXF/HTTP endpoints, a “classic” need is to load balance the HTTP requests on…

Read More »

Multiple HTTP connectors in Apache Karaf

Installing the http feature in Karaf leverages Pax Web to embed a Jetty webcontainer. By default, Karaf create a Jetty connector on the 8181 http port (and 8443 for https). You can change this port number by providing…

Read More »

Create custom log4j appender for Karaf and Pax Logging

Karaf leverages Pax Logging for the logging layer. Pax Logging provides an abstraction service for most popular logging frameworks, like SLF4J, Log4j, commons-logging, etc. Karaf provides a default logging configuration in etc/org.ops4j.pax.logging.cfg file. By default, all INFO log…

Read More »

How to enable HTTPS certificate client auth with Karaf

I received many times messages from users asking how we can “trust” HTTP clients in Karaf. The purpose is to exchange certificates and allow only “trusted” clients to use the Karaf HTTP service. Enable HTTP client auth First…

Read More »

Apache Karaf Cellar 2.2.5 released !

During the ApacheCon EU, I made a demo of Karaf and Cellar all together. During this demo, I used Cellar 2.2.5-SNAPSHOT. Now, Cellar 2.2.5 is released ! But, what’s new in this version ? Groups are now persistent…

Read More »

Apache Karaf 2.3.0 released !

Waiting for Karaf 3.0.0, we worked hard in the Karaf team to provide Apache Karaf 2.3.0. The Karaf 2.2.x branch is now only in maintenance mode: it means that no new features will be implemented in this branch,…

Read More »

Apache Karaf 2.2.9

The Apache Karaf team is proud to announce a new version on the Karaf 2.2.x branch. The 2.2.9 version is a major bug fixes release. We fixed 52 issues in this release, and we are inline with our…

Read More »

Dell Vostro with Ubuntu: use the AMD Catalyst drivers

I have a Dell Vostro 3550 with Ubuntu 12.04 since around one year now. The laptop worked fine, it was pretty fast, building a lot of projects in the same time, etc. I complained with: the temperature was…

Read More »

Change tab font in Eclipse Juno

If you tried Eclipse Juno, you may see that the tab fonts are “large”. The “Package Explorer” and “Outlet” tab font take a lot of space. If you take a look in the preferences, in the appearance section,…

Read More »

Losing wireless connection on Ubuntu

Sometime, depending of the wireless access point used, my wireless connection looks stuck on my Ubuntu (11.10 or 12.04): nothing special on the network icon, but no more connection, no ping, etc. The problem comes from the the…

Read More »