bakup all the servers online. The steps are, 1) install rysncd server at each server 2) config the bakup files by rsyncd configure 3) sync bakup files on client machine How to add a server being bakup? 1) copy the template from other server, such as, cp -r svr_master svr_new 2) add hostname to client machine's hosts file, such as, 209.4.5.12 new.server, it can protect svr_new's true ip "new" is short for svr_new 3) and also, add hostname to svr_new, such as, 204.3.41.2 client.bak, client.bak is all the server's client bakup machine 4) modify the rsyncd.conf in sample, and make svr_new change its default /etc/rsyncd/rsyncd.conf to this one, start_rsync="rsync --daemon --config=/data/bakup/svr_new/rsyncd.conf" in /etc/init.d/rsyncd add rsyncd module as you like, that's also the data you should bakup 5) modify rsync.sh, this script will run at client machine. SERVER=bak_usr@new.server DIR=(module1, module2, ...) LOG=/logs/rsync_bak_new.log 6) add user bak_usr, run /data/bakup/adduser.sh Then put bak_usr:yourownpass to /etc/rsyncd/rsyncd.secrets 7)start svr_new's rsyncd daemon. 8) add /bin/sh /data/bakup/master/data/bakup/svr_new/rsync.sh to client machine's cron.sh script. That's all, enjoy! If you have any questions, plz contact me(ismtlee@gmail.com)