UTF-8 Compatible

Converting WebPages to UFT-8

grconv -T UTF -t is0-8859-7

Converting MySQL databases to UTF-8

Dump the db in an SQL file.

mysqldump -u root -p --lock-tables --default-character-set=greek dbname > dbname.sql

Edit the SQL file and insert the following two lines at the beginning of it.

CREATE DATABASE <dbname> DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci;
USE <dbname>;

Letting PHP know that you are working with UTF-8

Edit /etc/php.ini and insert the following line
default_charset = "utf-8"