https://blog.offline-net.com/2011/10/08/dtiserversmanvps%ef%bc%9aremi-%e3%83%ac%e3%83%9d%e3%82%b8%e3%83%88%e3%83%aa%e3%82%92%e8%a8%ad%e5%ae%9aphp%e3%82%92upgrade%e3%81%99%e3%82%8b/
[DTI]ServersMan@VPS:remi レポジトリを設定…PHPをUpgradeする