How to detect your android device on Ubuntu 9.04 Jaunty x32
To detect your Android Dev phone on ubuntu 9.04 (Jaunty, x32), do the following: 1.  cd /etc/udev/rules.d/ 2.a.  if you have a file named 50-android.rules, then do:      mv 50-android.rules 51-android.rules 2.b.  if you don't have the file, do the following:      vi 51-android.rules (note: it will create a new file)      In this file, add the following:           UBSYSTEM=="usb", ATTRS{idVendor}=="0bb4", MODE="0666" 3.  Unplug and plug again your device, then type:    adb devices    and you should see something like:    List of devices attached    HT...... device For more info, check out this post on Android Google Groups: Ubuntu Jaunty and adb not playing well together