Apache Guacamole v1.1.0 Install Guide for CentOS 7

Updated guide for Guacamole v1.2.0 on CentOS 8 at: https://www.youtube.com/watch?v=J_sD2S6Um14

For the full build guide, please visit our website: https://www.byteprotips.com/post/apache-guacamole-1-1-0-install-guide