linux server备份文件
用户家下目录下的 bash_logout .bash_profile .bashrc
/etc/下 /etc/bashrc /etc/profile /etc/rc.local /etc/hosts /etc/init.d/*.sh /etc/yum.repos.d/*.repo /etc/sysctl.conf /etc/ssh/sshd_config /etc/sudoers
/opt/local/ 和/opt/htdocs下应用服务 还有一些脚本文件
/var/spool/cron/root 定时任务