A Journey of a Thousand Miles Begins with a Single Step

Benefits and costs of a Raspberry Pi

What do you do if you have a bunch of spare (old) hardware, e.g. USB 2.0 hubs;-hard drives;-sticks and sd-cards? Well you can make a NAS file server with Raspberry Pi.

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Purge maven dependencies from local repository

The Apache Maven dependency plugin provides the function to remove projects dependencies from the local repository.

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Custom grok patterns for logstash

grok is a powerful filter plugin. It allows you to use regular expressions (regex). This post gives some advices how to test and develop custom grok patterns for logstash.

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[What’s the difference between SSL, TLS, and HTTPS?](http://security.stackexchange.com/questions/5126/whats-the-difference-between-ssl-tls-and-https?newreg=5a0d1d02fb244551b61b81d79f0f0753

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Filter with grok

grok is a filter plugin and “is perfect for syslog logs, apache and other webserver logs, mysql logs, and in general, any log format that is generally written for humans and not computer consumption.”

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Import public gpg key from keyserver

In case you want me to send me a secure message with gnupg (gpg), just import my key with following command from a current keyserver.

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IntelliJ Apache configuration support

If you use IntelliJ or any other IDEA product and have to deal with Apache configurations like .htaccess files, the following plugin might interest you. It supports syntax auto-completing and high-lightning.

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SSL server and client test

https://www.ssllabs.com/ provides a excellent detailed report about a SSL certificate. It not only checks the capability but also known vulnerabilities like Heartbleed. Another plus is that it has a simulation suite that tests the SSL handshake for several browsers or devices.

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Test your logstash configuration

The logstash configuration can become quite complex. Some hints how to tryout if the configuration is not working.

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