Live file synchronization across multiple Linux servers using LSYNC

At first please take note I have implemented this in Debian Server.
Perform SSH Login Without Password from Master Server to Slave Server
Master Server:
#ssh-keygen
Generating public/private rsa key pair.
Enter file in which to save the key (/home/root/.ssh/id_rsa):[Just press Enter key]
Enter passphrase (empty for no passphrase): [Just Press enter key]
Enter same passphrase again: [Just Pess enter key]
Your identification has been saved in /home/root/.ssh/id_rsa.

#ssh-copy-id -i ~/.ssh/id_rsa.pub remote-ip

Now test from master server,
# ssh remote-ip
[It will not ask for password and take you to the remote server]


Now Install Lsync on Master Server:
#apt-get update
#apt-get install -y lua5.1 liblua5.1-dev pkg-config rsync asciidoc

# vim /etc/lsyncd/lsyncd.conf.lua
settings {
logfile = "/var/log/lsyncd/lsyncd.log",
statusFile = "/var/log/lsyncd/lsyncd-status.log",
statusInterval = 10
}
sync {
default.rsync,
source="/home/",
target="remote-ip:/home/",
rsync = {
compress = true,
verbose = true,
owner = true,
group = true,
perms = true,
acls = true,
rsh = "/usr/bin/ssh -p 22 -o StrictHostKeyChecking=no"}
}

sync {
default.rsync,
source="/var/mail/",
target="remote-ip:/var/mail/",
rsync = {
compress = true,
verbose = true,
owner = true,
group = true,
perms = true,
acls = true,
rsh = "/usr/bin/ssh -p 22 -o StrictHostKeyChecking=no"}
}
[Save and Exit]

#mkdir /var/log/lsyncd/

#touch /var/log/lsyncd/lsyncd.log

#touch /var/log/lsyncd/lsyncd-status.log

#service lsyncd start


Slave Server:
#apt-get install rsync



Now test from Master Server:
#cd /home/

#touch test-file


Slave Server:
#cd /home/

#ls -lah


############# End of Lsync Configuration #############




*** Keep in mind if you want to backup a mail server to a secondary one you have to move a copy of /etc/passwd, /etc/shadow, /etc/group file from master server to backup server. Follow below steps to do that once in a day ***



Slave server:
#mkdir /root/user-backup-from-master-server

Master server:
#vim /usr/local/src/backup-users
scp /etc/passwd /etc/group /etc/shadow root@remote-ip:/root/user-backup-from-master-server
[Save and Exit]


#chmod 755 /usr/local/src/backup-users


#vim /etc/crontab
01 15 * * *    root    /usr/local/src/backup-users
[Save and Exit]


#/etc/init.d/cron restart


** This procedure will transfer a copy of /etc/passwd, /etc/group, /etc/shadow files everyday at 3:01PM from Master server to Slave server.