yum install rsync

cd /etc
mkdir rsyncd
cd rsyncd
touch rsyncd.conf
touch rsyncd.motd
touch rsyncd.user
chmod 600 rsyncd.user

my_rsync_user_1:user_1_password

pid file=/var/run/rsyncd.pid
port=873
uid=root
gid=root
use chroot=yes
read only=yes
 
# limit access to LANS
hosts allow=192.168.2.0/255.255.255.0   #default, listen to lan server
host deny=*
 
max connections=5
motd file=/etc/rsyncd/rsyncd.motd
 
log format=%t%a%m%f%b
syslog facility=local3
timeout=300
 
[profile_1]          #profile name
path = /path/to/backup/directory
ignore errors
read only = false
list = false
hosts allow = 66.66.66.66   #listen to client server which use public ip
hosts deny = 0.0.0.0/32
auth users = my_rsync_user_1
secrets file = /etc/rsyncd/rsyncd.user
 
#[profile_1]          #another profile name
#path = /path/to/backup/directory/2
#ignore errors
#read only = false
#list = false
#hosts allow = 88.88.88.88   #listen to client server which use public ip
#hosts deny = 0.0.0.0/32
#auth users = my_rsync_user_2
#secrets file = /etc/rsyncd/rsyncd.user

#!/bin/sh
#
# Startup script for rsyncd daemon
#
# chkconfig: 35 90 10
# description: Server data for sync to other server
# processname rsync
 
# Source function library
. /etc/rc.d/init.d/functions
 
prog=rsync
conf=/etc/rsyncd/rsyncd.conf
 
case "$1" in
    start)
        echo -n "Starting rsync daemon: "
        daemon /usr/bin/$prog --daemon --config=$conf
        RETVAL=$?
        echo
        [ $RETVAL = 0 ] && touch /var/lock/subsys/$prog
        ;;
    stop)
        echo -n "Shutting down $prog: "
        killproc -d 60 $prog
        RETVAL=$?
        echo
        [ $RETVAL = 0 ] && rm -f /var/lock/subsys/$prog
        ;;
    status)
        status $prog
        ;;
    restart)
        $0 stop
        $0 start
        ;;
    *)
        echo "Usage: $0 {start|stop|restart|status}"
        exit 1
esac
 
exit 0

chmod +x /etc/init.d/rsyncd 
/sbin/chkconfig --add rsyncd
/sbin/service rsyncd start

cd /etc
mkdir rsync
cd rsync
touch rsync.pwd
chmod 600 rsync.pwd

user_1_password

rsync -vrtLogp --progress /path/to/directory/to/be/backup/* my_rsync_user_1@[SERVER_IP]::profile_1 --password-file=/etc/rsync/rsync.pwd