备份服务rsync

[root@backup ~]useradd -s /sbin/nologin -M rsync

[root@backup ~] cat -A /etc/rsync.passwd

rsync_backup:123456$
[root@backup ~] chmod 600 /etc/rsync.passwd
[root@backup ~] mkdir -p /backup
[root@backup ~] chown -R rsync.rsync  /backup/