ubuntu

WIFI on Acer Aspire Revo R3610 (Ralink RT3090) Ubuntu

Just incase WIFI doesn't work straight away when you are using this newer nettop device, you may need to install a newer driver module.

https://launchpad.net/~markus-tisoft/+archive/rt3090/+packages

Then you will need to load the module


sudo modprobe rt3090sta
sudo service network-manager restart

Wireless *should* now work :)

reference:
http://ubuntuforums.org/showthread.php?t=1314747

Rotate an avi or video file

Using linux we can rotate a video very easily using the command line.

mencoder -of avi -oac copy -ovc lavc -lavcopts vbitrate=7776000 -vf rotate=1 -ofps 25 -o output.avi input.avi
where 7776000 is the bitrate and 25 is the framerate, you can find out what your original files settings were by using:

ffmpeg -i input.avi
Note: that's a lowercase I

This rotates 90 degrees clockwise, to go anticlockwise use "rotate=2"

http://commacommacrash.com/2008/09/my-video-rotation-adventures.html?sho...

Access Radius secured WiFi with Linux

Ubuntu using WiCD to connect to WPA2 access point authenticated by Windows RADIUS PEAP/MSCHAPv2

Assuming you have WiCD installed and working with simpler access points.

First you will need to aquire the root CA certificate and convert it to a suitable format

sudo openssl x509 -inform der -in inl-ca.cer -out /etc/ssl/certs/inl-ca.pem

We store the converted version in a central place as above.
We then create a new WiCD template:

/etc/wicd/encryption/templates/peap-mschapv2

name = PEAP with MSCHAPv2
author = Satish Vellanki [www.cs.ttu.edu]
version = 1

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