How to install xdebug in xubuntu

sudo apt-get install php5-dev php-pear
sudo pecl install xdebug


find / -name 'xdebug.so' 2> /dev/null

sudo gedit /etc/php5/apache2/php.ini
 
zend_extension="/usr/lib/php5/20121212/xdebug.so"
sudo /etc/init.d/apache2 restart

How to install phpunit in xubuntu

sudo pear install --force --alldeps pear.phpunit.de/PHPUnit