In most Linux distro (including Ubuntu), the keyboard combo Ctrl + Alt + Backspace is often used as a shortcut key to restart X. However, in Ubuntu Jaunty, this keyboard shortcut was disabled, “to reduce issues experienced by users who accidentally trigger the key combo”, as quoted by Ubuntu.

I don’t know how many people will find this a welcome improvement in Ubuntu. Personally, this has caused me a lot of inconvenience as I always depend on it to get myself out of a nasty crash.

For those who wanted to restore back the Ctrl + Alt + Backspace combo, here’s the way:

I use a lot of different computers. Many of those computers are on different operating systems, or desktop environments. Just when I find myself growing accustomed to a particular way of doing things, I find myself on a different system with a different way of doing things. Key combinations are some of the most common distinctions between platforms, so I try to set each system up to recognize the key combos I need. Normally, that’s not a big problem. You just go into the keyboard settings for that environment and set it the way you like, right? Well not always.

Unless you are having a Japanese iPhone, chances are your iPhone does not come with the attractive and interesting Emoji icons. Like any other Emoticons on mobile, the Emoji iconset allows you to insert smily faces and many other icons in your notes, sms and any other text entries.

If you are affected by the fact that your iPhone does not has the emoji function, don’t worry, here is a simple trick that you can use to activate the emoji iconset in your iPhone.