1.本机得联网，yum安装，首先进入、/etc/yum.repos.d目录
2.将以下几句添加到/etc/yum.repos.d/CentOs.Base.repo的最后面
[mondorescue]
name=centos 6 x86_64 - mondorescue Vanilla Packages
baseurl=ftp://ftp.mondorescue.org//centos/6/x86_64
enabled=1
gpgcheck=1
gpgkey=ftp://ftp.mondorescue.org//centos/6/x86_64/mondorescue.pubkey ftp://ftp.mondorescue.org//centos/6/x86_64/mondorescue-0x141B9FF237DB9883.pubkey
再执行
yum -y install mondo --nogpgcheck