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This weekend I took the plunge and upgraded from Ubuntu 16.04 LTS to 18.04 LTS. The main reason was support for TLS DNS in systemd. Turns out I was in for a bigger surprise.

Subtitle: broken by impress.js I've been using Linux as the primary OS on all my laptops since a loooong time ago and until recently I always chose computers fitted with nvidia graphics over any other brand because their drivers probably have the best quality and performance. My last (and current) laptop, an HP ProBook, came with ATI graphics, but since in the last years ATI seemed to have caught up, I decided to give it a try. For over two yeas the laptop performed extremely well with Ubuntu 10.04 LTS as everything worked right out of the box with no customization whatsoever. Suspend/resume worked, performance was great and boot time pretty good too (for a conventional hard drive at 7200rpm, at least). The problems came with the upgrade to Ubuntu 12.04.

Using expendable virtual machines for testing purposes is hardly a new concept. Now  pretty-please-with-sugar-on-top would be automating the whole create-provision-test-destroy cycle. Enter  Vagrant . Vagrant is a tool for building and distributing virtualized development environments. It allows automated creation, provisioning (with Puppet, Chef or shell scripts) and tear down. Installing Vagrant on Ubuntu 10.04 LTS (which I'm still running) requires the following: a 4.1.x VirtualBox distribution (the 3.1 bundled with Ubuntu will not work) a recent version of ruby (you guessed it: the 1.8.x bundled with Ubuntu will not work) To install VirtualBox add the following repo to /etc/apt/sources.list: deb http://download.virtualbox.org/virtualbox/debian lucid contrib non-free then issue the usual apt-get update and install with (remove stock packages first): sudo apt-get update sudo apt-get remove virtualbox-ose virtualbox-ose-dkms sudo apt-get install ...