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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 This is not a tutorial. And it’s realy not for the uninitiated. It’s more like a short reminder for me, or people who have a basic idea what’s happening here…

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Update 2015-03-15: As Antiplex mentioned in the comments, the resources are slighlty out of date.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

KSH basics

Just for the guys who keep forgetting about the simplest commands in korn shell (like me…) www.well.ox.ac.uk/~johnb/comp/unix/ksh.html

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: Type in your adress bar: “about:config” Confirm the warning: Search for “Backspace”: Alter “browser.

Ubuntu 11.10 + Lenovo Ideapad Z370

Two days ago I’ve updated Ubuntu to 11.10 and it worked well. I started from scratch, so I won’t have to deal with “old” problems: Here is my setup: Plain vanilla Lenovo Z370 Harddrive was replaced by a 60 Gb Sata2 SSD Ubuntu 11.10 (Desktop edition) I installed the IdeaPad Driver Package (get it here) to get rid of a lot of the “Keycode 240” On the pro side:

New task: Get my sd-card reader working...

New task of the day: Get my sd-card reader in my laptop working. My Lenovo IdeaPad is nice and everything but sometimes there are some annoying things. Like a not working sd-card reader. There absolut no reaction on Ubuntu if I insert a sd-card… Maybe, I will find out :-) Update: rmmod ehci_hcd doesn’t work echo "usb-storage" >> /etc/modules; modprobe usb-storage was promising, but doesn’t work either What do I know?