Installation of multiple yunohost servers

Discuss Advanced use case
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My YunoHost server

Hardware: multiple olimex sbc behind a natted network (residential isp with fixed ip)
YunoHost version: irrelevant / latest
I have access to my server : ssh / webadmin and local access with keyboard and monitor if necessary
Are you in a special context or did you perform some particular tweaking on your YunoHost instance ? : no

Description of my issue

** what I am trying to achieve : **
Install multiple yunohost servers and yet have a centralised access.

** what i have done so far **
I have installed and setup yunohost on a single server.

** MY Question : **
What is the standard procedure to have multiple yunohost servers ?

This is my guess so far, please correctme if I am wrong and dont hesitate to add information if I missed something.

-1 install the first yunohost that will only be a ldap server and a reverse proxy.
-2 install multiple additionnal yunohosts that will use the first one as a central ldap server
-3 configure the first one reverse proxy so that it distributes access to the different yunohosts based on the apps requested.

I dont know if it is the right way to do a multiple servers setup. ** Please advise. **

I dont know how to configure yunohost for the points 2 and 3. ** Can you please point me in the right direction and/or give me some links ? **

Thanks a lot for your help and for your beautiful work on yunohost !

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If this is about having a “cluster” of Yunohost sharing the same LDAP DB : this is not supported by Yunohost, and a lot of tinkering (including the python code) is probably required to make this works (i.e. this is R&D).

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Well I am not sure of what you call a cluster.
For me a cluster is a bunch of machines load balancing the same service.
Here I am talking about

  • server A : ldap server
  • server B : yuno host with nextcloud
  • server C : yuno host with wallabag

Do I need to manually add all users to servers B and C ? Or can I point them to A and centrally manage all my users in A ?

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Yeah, maybe not a cluster, depends on the definition. Anyway, the topology you describe is just not supported by Yunohost. There’s a gazillion number of technical questions this would raises, it’s definitely not as simple as “make server B use the LDAP DB of server A”

Unless you really have a motivation behind this, I would just recommend to keep things simple and stick with the classic setup “one server to rule all apps”

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Oh ok.
So is this just this topology that is not supported ? Or any topology where there is more than one yuno host ?
Are you saying that I can only run yunohost on one server ? Because one is clearly not enough in my case so I need others.

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You can perfectly install several Yunohost, it’s just than they will “live independently of each other”

Why is that so … People have a tendency to overengineer things or underestimate what a “small” machine can handle.

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For me, it’s that i have applications which I don’t want to expose to the Internet and I don’t want that (for me) critical data on the same server in the same segment. But my homelab is advanced I was only looking if i could migrate to yunohost.
Also security wise it could be good, because an attacker couldn’t use a bug in one application to compromise the complete data.

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