[Samba] Winbind offline cache and strangeness...

[Marco Gaiarin]

I've setup a portable system (ubuntu 16.04) joined to my AD domain,
that in their primary network works as expected.

But in this 'COVID time', the portable start to roam around, and users
say me that, suddenly after some days of use, get incredibly
sloooowww... after that users reboot, and cannot get back in, login
refused.

I've setup a VPN, but clearly if users cannot login back, they cannot
also fire up the VPN.

Some question:

1) i know about:
	https://bugzilla.samba.org/show_bug.cgi?id=14074
 but this seems not the case: users reboot the portable without
trouble, it is only after some days of use that 'cache expire'
(i suppose).

2) there's some way, supposing to found a way to fire up the VPN, to
 force a reload of winbind cache? A full samba restart is needed?


As a first 'countermeasure' we have created a local user to be able to
refresh up the winbind cache, but simply firing up the VPN seems does
not suffices.

Next week i will be able to put my hand on the portable, so i will look
at logs.


In the meantime, thanks.

-- 
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