You want to use Time Machine over a remote share. It is important to permanently mount it when you login to your Mac.
As an example let’s connect to a Western Digital My Cloud that has the default name
How to mount it
After launching the Finder you may see it at the
and just click it and connect with the share you want.
If it’s not visible just select from the Finder’s Menu
Go / Connect to Server...
Server Address: type
You may change
wdmycloud.local with the IP address of your NAS or remote share. Choose the type of connection and then just choose a share. It will show up like this
Auto mounting the share
Select from the top menu
Apple / System Preferences...
/ Users & Groups / Login Items
+ button and now select your remote device from the left list under
Make the connection and select the share you want.
It’s done! Now every time you enter your Mac it will try to mount that share immediately.
A little note…
Apple guys like to be funny. See what would show up if you used
smb: instead of
You may be interested in Using an SMB share from Mac OS X in Linux