====== How to install Ralink WiFi driver on Ubuntu ======
===== Version 1 (prefered): =====


1. Add lines to file:
  sudo gedit /etc/apt/sources.list
<file>
deb http://ppa.launchpad.net/markus-tisoft/rt3090/ubuntu lucid main 
deb-src http://ppa.launchpad.net/markus-tisoft/rt3090/ubuntu lucid main 
</file>

2. Update and install:
  sudo apt-get update
  sudo apt-get install rt3090-dkms

3. Reboot

4. Check driver verion in /sys/module/rt3090sta



===== Version 2 (dirty): =====


1. Download appropriate driver from official Ralink site:

http://www.ralinktech.com/support.php?s=2

for our case - RT3090PCIe


2. Unpuck somewhere and do make.
  sudo make
  sudo make install


3. Copy RT2860STA.dat:
  sudo cp RT2860STA.dat  /etc/Wireless/RT2860STA/RT2860STA.dat 


4. Put driver file to the system:
  sudo cp os/linux/rt2860sta.ko /lib/modules/2.6.32-30-generic/kernel/drivers/staging/rt2860/rt2860sta.ko


5. Restart network:
  sudo /etc/init.d/networking restart


ps:
For controling work of the driver look to the /var/log/syslog. The appearence of the problem is presence in the log lines containing "STASendPacket->Cannot find pEntry".


===== How to fix wicd 1.7.0+ds1-5 Connection Failed: Bad Password =====

Source [[http://www.pc-freak.net/blog/how-to-fix-wicd-1-7-0ds1-5-connection-failed-bad-password-on-ubuntu-10-10-maverick-merkaaat/|How to fix wicd 1.7.0+ds1-5 Connection Failed: Bad Password on Ubuntu 10.10 (Maverick Merkaaat)]]

  ubuntu:~# apt-get remove --yes network-manager
  ubuntu:~# dpkg --purge network-manager-pptp-gnome network-manager-pptp network-manager