#CentOS6.6禁用Ctrl+Alt+Del重启功能
#方法一:
vi /etc/init/control-alt-delete.conf
#start on control-alt-delete	#注释此行

#方法二:
mv /etc/init/control-alt-delete.conf /etc/init/control-alt-delete.conf.bak

#注:两种方法都无需重启系统即可生效