Problem in Ubuntu: when count of logged in users more than one and USB flash drive is connectig to the PC and after switching the user the window of authentication appears. Here is the solution.

This article about colorbox and views: how to display first thumb styled image of the multiple image field and after click on it display all images in colorbox.

First of all install views, libraries, colorbox и colorbox plugin.

$ drush en views libraries colorbox -y

Download colorbox plugin and unpack it in libraries folder.

https://github.com/jackmoore/colorbox/archive/1.x.zip

The UI of xscreensaver window is a bit old and not so retro as it could be. Unfortunately there is no way to customize the window view mode and elements placement (except rewrite it to your needs). But there is a field for experiments with colors and sizes for some elements.

Learn how to work in command line interface and you could run super cool tasks with the couple of lines! This sheet will help you to remember useful commands in unix/linux.

Sheet has pounds of commands in 13n categories. You can see there in seconds how to run system info, install software and be the master of files.

At the end of the article you can download PDF and read at the partners site larger list.