adb on ubuntu 10.04 with HTC Desire

su
echo 'SUBSYSTEM=="usb", ATTR{idVendor}=="0bb4", MODE="0666"' > /etc/udev/rules.d/51-android.rules
exit
cd ~
wget http://dl.google.com/android/android-sdk_r07-linux_x86.tgz
tar zxvf android-sdk_r07-linux_x86.tgz
cd android-sdk-linux_x86/
./tools/adb devices
./tools/adb shell

ref: this, this and this