Setting up Wifi on Ubuntu 12.04 Server via command line (yeah, finally some technical stuff )

Problem:

Setting up a wireless adapter on Ubuntu server 12.04 LTS via CLI isn’t THAT easy. Plug’n’Play doesn’t simply work. Good thing there is Google. And a lot of helpful sites.

Target:

Insert the stick (or boot with it) and connect automaticly to the preferred network

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Improve energy consumption with Ubuntu and Lenovo IdeaPad Z370 (sandy bridge-chipset)

Update 2015-03-15: As Antiplex mentioned in the comments, the resources are slighlty out of date. An update is pending

I use my laptop (Lenovo Z370, with Ubuntu 11.10) a lot in the college. Unfortunatly there aren’t enough plugs in the wall for all students and I’m not willing to bring a plug board with me every time. So my approach to the problem was to improve the energy consumption of my laptop. I already had an energy plan with display dimming after two minutes and deactivate bluetooth by default (I don’t have any bluetooth gadget, so why bother).

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Backspace in Firefox and Linux

Anyone who is used to firefox under windows (and probably mac) is also used to the backspace key. under windows, firefox will go one page backwards if you hit backspace.

Under Linux if you hit backspace, there happens… nothing. Which is disgusting.

I found a website (german) which describes how to change the behavior:

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