A few days ago, a long-awaited wish of the Ansible Tower followers finally came true! Red Hat released Ansible Tower as open source community project, called AWX. It builds the new upstream project and the community plans to release new builds approximately every two weeks. Ansible published a FAQ to answer some questions. The AWX source […]
Wi-Fi analysis and site surveys with NetSpot
Call me old fashioned, but I really prefer a good old classic Ethernet cable over all these black magic wireless technologies. However, I must admit I also love mobility and therefore I’m kinda forced to use Wi-Fi. But what happens if your wireless signal is bitching around again?
Sublime Text or Atom?
Hello, my name’s Domi and I’m a extensive Sublime Text abuser. I’m also on Twitter and I saw the uprising of GitHub’s Atom lately, so I decided to give it a chance. This is my story about switching from Sublime Text to Atom for a couple of days.
TCP connection states
TCP is the abbreviation for Transmission Control Protocol. It is one of the core protocols in the internet protocol suite and provides a reliable protocol to communicate in computer networks. Nearly every Internet-connected device “talks” TCP and the whole Internet relies on it.
Django 1.9 released
Last week was the release of Django version 1.9. It’s a very popular and open source web framework that is written in Python. Django is widely spread in the internet and big platforms like Instagram, Reddit or Pinterest are using the framework. Ansible Tower is also based on the python web framework.
Ansible Modules – shell vs. command
In the Ansible Core are a lot of Ansible modules included for almost all use cases. On this page are all modules listed and described with the available options and some examples. Some Ansible modules are on the first view quite similar and can be used for the same purpose, but often are there some crucial […]
Compare command outputs with process substitution
Every sysadmin knows the situation, if he has to compare the output of some commands. Most of us save the output of the commands in a temporary file, compares these files with the diff binary and afterwards delete the temporary files. In this blog post I’ll show you the usage of process substitution to get the differences of commands […]
Ansible Tower offline installation on a Red Hat system
A few days ago Ansible released a new version of their enterprise product Ansible Tower. It’s a web interface on top of the ansible core and offers a lot of useful features. In the release notes is a new topic listed that is an important requirement for some customers of us, bundled installation support. It’s now possible […]
Adding a new trusted certificate authority
In this blog post we show you how to add a custom certificate authority to the trusted certificate authorities of an OS distribution. Additional, we’ll publish an Ansible playbook to manage the trusted certificates.
Calling Ansible handlers based on OS distributions
Sometimes you’ve got an Ansible task that should notify another task after a change. In Ansible this is called a handler and a description can be found here. Mostly the handler can be defined OS-independent. In this blog post, we show you, how to use a list of handlers for different OS distributions.