Have you ever deployed a feature which interrupted your application because the schema change on the MySQL database has locked the table? Then I have good news for you! There are some tools like the Percona Toolkit which can apply the operation without a downtime.

Have you ever developed in a Debian VirtualBox running out of space? This happened to me some days ago when I have imported the live database for debugging. Following this step by step tutorial, you can increase the disk space.

When we prepared the relaunch of diginights.com with our new and awesome responsive layout, we needed to resize a bunch of flyer, location and avatar images (~1.000.000). One of our requirements was that we save the images with a new tag so we won’t affect the running application.