Here is the line to install all you (probably) need:
apt-get install mysql-client mysql-common mysql-server mysql-server php5-mysql php-apc php-db php-pear php5 php5-cli php5-common php5-curl php5-gd php5-imagick php5-mcrypt php5-memcache php5-memcache php5-mysql php5-sqlite php5-suhosin apache2 apache2-doc apache2-mpm-prefork apache2-suexec apache2-utils apache2.2-common libapache2-mod-php5
Now we have to do some fine tunning. I know... it brokes the "Just One Command" that I was promising, but it's for a good cause :)
Read more: diogomelo.net