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 […]
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.
As far as I can remember, I always was interested in technology and especially all kind of hardware gimmicks. This didn’t change at all and I’m still addicted to gadgets, besides that it might got a bit more expensive than when I was a young lad.
Here a short blog post… if you work in several companies or with different accounts, it’s useful to know, which shell you’re currently using (not the default shell from /etc/passwd). Of course, you can simply change the shell and choose your favorite one, but if you just want to know the actual shell, you can run […]
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.
As the official Ansible partner in Switzerland, we’re happy to announce our Ansible Training.
We use Ansible to deploy Docker containers on our systems and the infrastructures of our customers. This works pretty well if your system is configured properly.