如果没安装md5sum工具 yum install isomd5sum
检查文件是否被串改 #!/bin/bash check_dir="/boot /etc /usr"
for i in $check_dir do find $i -type f -exec md5sum {} \; |sort > /server/md5$i.new diff /server/md5$i.md5 /server/md5$i.new >> /server/log/md5.log done |