Guidelines for upgrading freeradius installation? (3.0.19 -> 3.2.8)

[uj2.hahn at posteo.de]

Thanks, Matthew!
This is very helful and calming!

Regards
Uwe

Am 29.01.2026 um 13:34 schrieb Matthew Newton via Freeradius-Users:
> On 29/01/2026 09:23, uj2.hahn at posteo.de wrote:
>> Years ago (2020) I implemented a pretty basic freeradius installation 
>> (authentication only) in a school for WLAN access.
>> That time I installed version 3.0.19 on a virtual server (Ubuntu 
>> 19.04) and used Samba to connect to Active Directory on Windows Server.
>> This is still working fine but I think it is time for a larger 
>> upgrade of all involved components.
>
> Yes, that's a bit old now.
>
>> Is there any recommendation/cookbook/guideline how to do that upgrade 
>> in the most efficient way with minimal effort?
>
> It's a virtual machine, so you're pretty safe...
>
> - Snapshot or clone the VM
> - Upgrade everything
> - If it doesn't work, investigate or roll back
>
> There really shouldn't be anything to be concerned about upgrading 
> from 19.04 to 24.04 and from FR 3.0.19 to 3.2.8.
>
>> Of course I can do everything from scratch on a second virtual 
>> machine. Is that the preferred way? Or can
>> I copy the freeradius configuration over? Any changes I have to do then?
> Config from 3.0.19 should be fine on 3.2.8.
>