Linux
centos6(https://wiki.centos.org/FAQ/General#head-fe8a0be91ee3e7dea812e8694491e1dde5b75e6d)
2020.11.30
各OS(http://qiita.com/yunano/items/4757f86f9e92bb4f503f)
Apache
公式情報なし
MySQL/MariaDB
MariaDB(https://mariadb.com/kb/en/mariadb/mariadb-maintenance-policy/)
5.5は2017.4.11まで
MySQL(http://www.softagency.co.jp/products/mysql/support/・http://www.oracle.com/jp/support/lifetime-support/index.html)
5.5は2018.12まで
PHP
PHP(http://php.net/supported-versions.php)
5.4は2015.9.14まで