1.Add the Mono repository to your system
CentOS 7
1.执行:yum install yum-utilsrpm --import"http://keyserver.ubuntu.com/pks/lookup?op=get&search=0x3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF"yum-config-manager --add-repo http://download.mono-project.com/repo/centos7/
2.执行安装:yum install mono-devel