Setting up, upgrading and maintaining a clean and functional Drupal/PHP Development environment is an art, and quite a piece of cake for the skilled sysadmin. But the ever changing versions of OS packages and dependencies can bring up quite some unexpected challenges to a budding developer. Here is the solution to one such error that might eat your brains out.
Almost all usable versions of Drupal - 6, 7 and 8 - use PECL uploadprogress to show file upload progress.
And installing it on previous Ubuntu, PHP versions was as easy as running the following command: