How to Install LOMP Stack (OpenLiteSpeed, MySQL, and PHP) on Rocky Linux 9 by from on 2023-04-12 14:15 (#6APRN) OpenLiteSpeed is a lightweight and open-source version of the LiteSpeed Server developed by LiteSpeed Technologies. It supports Apache Rewrite rules, HTTP/2 and HTTP/3, TLS v1.3, and QUIC protocol.