First install the dependencies, you’ll likely have some of them, but this is the full list needed to install mono. yum install bison gettext glib2 freetype fontconfig libpng libpng-devel libX11 libX11-devel glib2-devel libgdi* libexif glibc-devel urw-fonts java unzip gcc gcc-c++ automake autoconf libtool make bzip2 wgetyum install bison gettext glib2 freetype fontconfig libpng libpng-devel libX11 […]