vmare安装centos，ruby

1,虚拟机安装，
2，虚拟机种安装centos
3, centos 安装vmware-tools

3，g++命令不存在
   yum install gcc-c++ compat-gcc-32 compat-gcc-32-c++
  
4, no such file to load -- openssl 错误
   yum install openssl-devel

5.libxml2,libxslt is missing.
  yum install libxml2-devel
  yum install libxslt-devel