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I need your precious support and advices for a kind of setup for my home computing.

So... I have two laptops and a desktop that I use same (or different) times. Every computer has a different distro (Arch for desktop, openSUSE for laptop1 and LinuxMINT for laptop2) with everyone its own purposes.

I also have a small SoC board.

And now my question... I'd like to setup the small SoC as a MASTER with attached a 2TB eSATA HDD and put it inside my LAN (via eth). What I need is that when I use one of the three computers, they sync specific folders with the "MASTER" and theese folders are taken up at every boot.

Example: MASTER has unique partition of 2TB with: /dwn, /doc, /music, /film, /tv, /pictures, /src_build.

I download the PDF of an invoice in PC2/home/mysameusername/dwn, but then I move into PC2/home/mysameusername/doc. Actually the file is saved in MASTER/doc.

Then I turn on PC3 and rip a DVD into PC3/home/mysameusername/film; again, the file is actuyally saved in MASTER/film and I can read it from every others PCs. The ripped DVD will be converted using PC1 and the converted file will be stored inside MASTER/film; the original rip will be deleted after. Then when it's time to transfer some photos from the phone to PC1/home/mysameusername/pictures, the files will be actually stored in MASTER/pictures. After some time I travel, and save some photos inside PC2/home/mysameusername/pictures; when I return home I'd like that PC2 automatically saves new photos inside MASTER. Ecc...

The result is:

MASTER[/dwn, /doc, /music, /film, /tv, /pictures, /src_build] will autosync on every boot desktop, laptop1, laptop2

And from every computer, files (and sub-folders) will be synced, modified, red, deleted, renamed, etc...

How is done this? Can you pleas explain how to set-up or which online documentation should I look for?

Hope you could understand my idea / question, english is not my First language!

Thanks!

Ok... Thanks to @Panki comments I managed to clarify my doubts... So let me summarize!

  1. This LDAP directory can be either local (installed on the same computer) or network (e.g. in a lab environment where central authentication is desired).
  2. Setting up an OpenLDAP Server with SSL + NFS for User Home Directories

1) This is what, indeed, I was looking for (THANKS to Paki to understand my real need)

2) Good: directories are taken up on boot from a server, but... What if I boot a computer outside from my home LAN?

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  • Have you taken a look at rsync? Also, what is supposed to happen if the "Master" is not reachable, i.e. if you use the laptop outside of your LAN? Commented Jun 24, 2019 at 13:10
  • In fact... I mean, I'm away home several times. I'd like to autosync the new files as soon as the laptop is connected to my home LAN. Are you telling me I (almost) always have no local files in my laptops? Commented Jun 24, 2019 at 13:22
  • Uhh.. No, I'm not. Take a look at Nextcloud and similar, seems like it'd fit your purpose. Commented Jun 24, 2019 at 13:36
  • But I'd like to stay away from everything is cloud related... I don't want to costantly upload over the internet... I'm looking around, seems Windows has a way to login from a central machine and keep local files and also sync folders over LAN. Is Domain, am I right? Is there such a thing on Linux? Commented Jun 24, 2019 at 13:44
  • ... you can run the cloud at home and only sync when you're actually there. To your "domain" question, take a look at what ldap is. Commented Jun 24, 2019 at 13:48

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