GUI Database Designer for MySQL

MySQL Workbench

http://dev.mysql.com/downloads/gui-tools/5.0.html

has Linux support

and generates lovely ERD's off MySQL schemas :)

Blue Tooth Remote Presenter on Ubuntu 8.04

Install these

sudo apt-get install bluez-utils

Scan for the phone,

hcitool scan

We see something like

00:11:22:AA:BB:CC  w810-Srimal

Connect like this,

sudo hidd --connect 00:11:22:AA:BB:CC

Use the phone ;)