Latest Posts


Convert JSON 2 CSV in JavaScript

json2csv is java script library which allows conversion of the format csv and json on a linux terminal.

by Tan-Vinh Nguyen on , Under 1 min read → Read on


Temporary Tables

Temporary tables exist in a special schema. If specified in the create table statement, the table is created as a temporary table. Temporary tables are automatically dropped at the end of a session, or optionally at the end of the current transaction. .. Any indexes created on a temporary table are automatically temporary as well.

by Tan-Vinh Nguyen on , Estimated 2 min read → Read on


Discard old builds in Jenkins

How to remove old builds as scripted pipeline in a Jenkinsfile? Not only I fail to see the sexiness in this new approach, but also I dislike the groovy syntax. In the end add I came up with several solutions to accomplish my goal: Keep only the last 10 builds. There are several ways and solutions. It was a huge try and error approach.

Set properties

by Tan-Vinh Nguyen on , Under 1 min read → Read on

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Elasticsearch Date Processor Pipeline

I write some configuration documents with the Elasticsearch low level Java Rest Client. The documents are missing a timestamp, therefore I define a simple pipeline, which adds the @timestamp field to my documents.

by Tan-Vinh Nguyen on , Estimated 3 min read → Read on


Remove multiple RPMs

A small recipe how to remove multiple applications with yum.

by Tan-Vinh Nguyen on , Under 1 min read → Read on