Categories
System Administration

Setting a different libvirt uri for Vagrant

HashiCorp Vagrant normally selects the right hypervisor, but the version shipped with Fedora 30 prefers to run within the QEMU user session of the hypervisor. A .Vagrantfile it would match the default behavior which doesn’t require any system privileges is shown below. # -*- mode: ruby -*- # vi: set ft=ruby : Vagrant.configure(“2”) do |config| […]

Categories
System Administration

Using bare variables in Ansible 2.8

Ansible 2.8 was released in May 2019 and later in May came to Fedora 30 in package form. So the first tests could be done to see what needed to be done to switch from 2.7 to 2.8 and don’t generate a lot of stopped GitLab CI-jobs due to new warnings and errors. So let […]

Categories
System Administration

Redirecting to mobile Wikipedia

Wikipedia both has a traditional and progressive website that is shown on mobile devices. After years the progressive website is still not shown on desktops sadly enough, but with a browser plugin a redirect can be triggered to the mobile site in most browsers. This as the Redirector plugin works at least in Mozilla Firefox, […]

Categories
System Administration

Using YUM history to see package changes

When you install or update packages on your system, then changes may occur that were not expected. Recent security updates on a server and left Nagios in a failed state, but what exactly happened, and can it be traced back as yum-cron installs all required security updates? Luckily YUM keeps a history database of all […]

Categories
System Administration

Check HTTP with telnet

HTTPS may become the standard quickly, but HTTP is still the base, and understanding how to verify an HTTP server without a web browser can be very useful. A lot of situations simply don’t allow you to install a web browser or gives only a blank page. As HTTP is a plain-text protocol you can […]