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Enable Ubuntu 9.10 touchpad top-right corner

It seems that in some cases Ubuntu 9.10 Karmic does not enable the touchpad top-right corner (used for mouse middle click), so this is a simple tutorial to get the functionality back (this is one of the many ways to do it)

First edit the .profile file in your home folder

$ gedit ~/.profile

and add

synclient RTCornerButton=2

to the end of it.

This is how mine looks:

mihai007@mihai007-dell:~$ cat ~/.profile
# ~/.profile: executed by the command interpreter for login shells.
# This file is not read by bash(1), if ~/.bash_profile or ~/.bash_login
# exists.
# see /usr/share/doc/bash/examples/startup-files for examples.
# the files are located in the bash-doc package.
# the default umask is set in /etc/profile; for setting the umask
# for ssh logins, install and configure the libpam-umask package.
#umask 022
# if running bash
if [ -n "$BASH_VERSION" ]; then
# include .bashrc if it exists
if [ -f "$HOME/.bashrc" ]; then
. "$HOME/.bashrc"
fi
fi
# set PATH so it includes user's private bin if it exists
if [ -d "$HOME/bin" ] ; then
PATH="$HOME/bin:$PATH"
fi
synclient RTCornerButton=2
mihai007@mihai007-dell:~$

Then use the visudo command

$ sudo visudo

and append a new line at the end of it, containing:

MY_USERNAME_OVER_HERE ALL = NOPASSWD: /usr/bin/synclient

Just make sure you put your username instead of MY_USERNAME_OVER_HERE. Then just hit "CTRL+X" then press "Y" to save the file as sudoers.tmp as suggested.
After a restart the middle mouse on corner continued to work perfectly