We all know Docker, right? Running processes in Docker containers is nice and we can easily stop, start or restart the container with simple commands. However, you probably don’t want to “fully restart” a container all the time so sending signals to a Docker container becomes important.
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.
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 […]
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 […]
We’ve created an Ansible Meetup Group to share some Ansible love with the community. Everyone is welcome to join the group and meet up, even if you currently don’t call yourself an Ansible user. We’ll talk about how to start with Ansible, how to solve configuration management and orchestration problems in a most simple way. We would […]
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 […]
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.
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.
When you’re using Ansible or any other configuration management tool, you might come in contact with deploying SSL certificates sooner or later. While deploying public SSL certificates isn’t a security issue at all, the deployment of private keys become more critical – at least if you want to deploy them securely.
It’s sometimes useful to know, what’s happening on your server, if you install a new package or run a update. There are many solutions for this case, but a simple one is to use aide, which is available on the most linux distributions.