用KMS密钥来激活自己的Windows和Office
先要找到对面的KEY：https://technet.microsoft.com/en-us/library/jj612867.aspx 然后用管理员权限运行CMD，依次输入命令 Windows系统激活命令slmgr.vbs -upk slmgr.vbs -ipk W269N-WFGWX-YVC9B-4J6C9-T83GX 这里填入你对应的key slmgr.vbs -skms kms.dwhd.
centos命令yum install软件包时出现No package * available 解决
centos6 64位 wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm yum install epel-release-6-8.noarch.rpm centos6 32位 wget http://dl.fedoraproject.org/pub/epel/6/i386/epe