Kibana “Hello World” Example – Part 3 of the ELK Stack Series


Today, we will introduce Kibana, a data visualization open source tool. As part of Elastic’s ELK stack (now called Elastic stack), Kibana is often used to visualize logging statistics and for management of the Elastic Stack. However, in this Tutorial, we will analyze statistical data from Twitter by comparing the popularity of Trump vs. Obama vs. … More Kibana “Hello World” Example – Part 3 of the ELK Stack Series

Elasticsearch “Hello World” Example – Part 2 of the ELK Stack Series


In the last blog post, we have explored Logstash, a tool for collecting and transform log data from many different input sources. Today, we will explore Elasticsearch, a scheme-less noSQL database with a versatile (“elastic”) search engine. We will perform a little Elasticsearch “Hello World” by running Elasticsearch in a Docker container and manipulating database entries. After … More Elasticsearch “Hello World” Example – Part 2 of the ELK Stack Series

Logstash “Hello World” Example – Part 1 of the ELK Stack Series


Today, we will first introduce Logstash, an open source project created by Elastic, before we perform a little Logstash “Hello World”: we will show how to read data from command line or from file, transform the data and send it back to command line or file. In the appendix you will find a note on Logstash CSV … More Logstash “Hello World” Example – Part 1 of the ELK Stack Series

How to set up Docker Monitoring via cAdvisor, InfluxDB and Grafana


Have you ever tried to monitor a docker solution? In this blog post, we will discuss three open source docker monitoring alternatives, before we will go through a step by step guide of a docker monitoring alternative that consist of the components Google cAdvisor as data source, InfluxDB as the database and Grafana for creating the graphs. The post is … More How to set up Docker Monitoring via cAdvisor, InfluxDB and Grafana

Docker HTTP Proxy and DNS Configuration Cheat Sheet (now includes automatic HTTP Proxy detection)


This blog post provides a little cheat sheet on running a Linux host with or without a Docker client behind HTTP proxies. For Ubuntu and similar Linux distributions, we will also show how to detect the proxy available and adapt the proxy settings accordingly. This comes handy, if you are a road warrior that often … More Docker HTTP Proxy and DNS Configuration Cheat Sheet (now includes automatic HTTP Proxy detection)

AWS Automation Part 4: Using Terraform for AWS Automation


This is part 4 of a blog post series, in which we explore how to automate Amazon Web Services (AWS) using the Terraform open source software by HashiCorp. Similar to Cloudify, Terraform is a versatile way to codify any type of infrastructure and to spin up a production-like demo or staging environment on any IaaS cloud like AWS, Azure … More AWS Automation Part 4: Using Terraform for AWS Automation

IT Automation Part IV: Ansible Tower “Hello World” Example


This is part IV of a little “Hello World” example for Ansible, an IT automation (DevOps) tool. This time, we will get acquainted with Ansible Tower, a web front end for Ansible. The post has following content: Quickest way of “installing” an Ansible Tower trial system (via Vagrant this time) Step by step guide for a minimalistic “Hello World!” example, following … More IT Automation Part IV: Ansible Tower “Hello World” Example

AWS Automation based on Vagrant — Part 3: Creating a Docker Host on AWS in 10 Minutes using Vagrant


Learn how Vagrant can be used to perform more sophisticated provisioning tasks than creation and termination of virtual machines. From our local Vagrant console, we will install Docker host Software and we will verify the results by downloading and testing the Python Docker image. … More AWS Automation based on Vagrant — Part 3: Creating a Docker Host on AWS in 10 Minutes using Vagrant

AWS Automation based on Vagrant — Part 1: Getting started with AWS


In this blog post series we will explore, how to automate Amazon Web Services (AWS) by using Vagrant. The series is divided into three parts. Readers that are interested in the automation part only can skip part 1 (the AWS EC2 console part) and jump directly to part 2, since both, part 1 and part 2 are self-contained. … More AWS Automation based on Vagrant — Part 1: Getting started with AWS