Loading...

Blog

A Journey of a Thousand Miles Begins with a Single Step

Grep your JSON data with gron

Do you ever need to find specific information in a large JSON data output? Most of us end up using grep in the Linux console. There is another way to read structured JSON data. The solution is gron by Tom Hudson, and its goal is to make JSON greppable.

Read more

Unzip into separate folder

Just bought terrific music from Bandcamp and downloaded the FLAC archives. Now I needed to extract them in the terminal console and run into little problems.

Read more

A hidden Kibana Gem - Static Lookup

Kibana v6.4.0 is released. There are major improvements and enhancements. Under all these enhancements, a hidden gem and long-awaited feature is finally available: the Static Lookup Field Formatter.

Read more

Tuning Elasticsearch

Tuning Elasticsearch is an advanced topic, that attending in an Elasticsearch Engineer Training by elastic is pretty simple to understand. The usual answer is always: It depends. I summarise my notes and findings on this. Consider there is always a lot more to it. The training covers it all. It is undoubtedly worth to attend. Education is important ;-). Roughly it is about Elasticsearch Internals (Apache Lucene under the hood), Capacity Planning and smart choices/anticipation.

Read more

Setup SSH agent for macOS High Sierra

Add to your ~/.ssh/config the option for every host.

Read more

Hello Webservice (JAX-WS) with JBoss EAP 7.1

A quick example of JAX-WS with JBoss EAP 7.1.

Read more

Backup Elasticsearch Index with Logstash

Index data in Elasticsearch can be easily exported in json encoded text with Logstash.

Read more

Using Aggregations with the Java Rest Client for Elasticsearch

The aggregations framework helps provide aggregated data based on a search query. Using aggregations on my audit data gives me insight who used my Elasticsearch cluster at what time. This post demonstrates how to translate the Elasticsearch Query DSL into the respective Java Objects of Elastic Java Rest Client.

Read more

Encrypted Communication with the Elasticsearch Java Rest Client

Elasticsearch with the X-Pack extensions allows you to secure the communication with your Elasticsearch cluster. This post elaborates what actions are needed, to use secure encrypted communication from a Java Rest Client with the encrypted Elasticsearch cluster.

Read more