Setup

Create Configuration

sudo su

vi /etc/rsyncd.conf

lock file = /var/run/rsync.lock
log file = /var/log/rsyncd.log
pid file = /var/run/rsyncd.pid

[code]
    path = /myFolderToShare
    comment = Data
    uid = root
    gid = root
    read only = yes
    list = yes
    auth users = john
    secrets file = /etc/rsyncd.secrets
    hosts allow = 192.168.1.0/255.255.255.0

Create Authentication File

vi /etc/rsyncd.secrets

Fill in the usernames and passwords:

john:password

chmod 600 /etc/rsyncd.secrets

Start Rsync

systemctl start rsync

Enable rsync at Bootup

systemctl enable rsync

Connecting to it using QNAP

From the QNAP Hybrid Backup Sync, select Storage Spaces.

Click Create

Select Remote RSync Server.

Specify the details of the RSync Sever and click Create.

Create Sync Job

From the Sync page, select Create and select Active Sync Job.

Reference