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May 21, 2023
Answered

Linux server update resulted in access denied to shares

I ran apt-get update and upgrade on my Linux server 20.04 which  runs on a pi earlier in the week. Now my Sonos S1 system is denying access to the SMB shares on it. Does anyone know what changed? My smb.conf is unchanged so I am a bit confused by this.

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M_D_FAnswer
May 22, 2023

Adding “unix extensions = no” to smb.conf solved it. Thanks, very grateful.

7 replies

M_D_FAuthor
May 21, 2023

I have re-flashed the pi sd with a system image from a couple of months ago and it is now working again. So it was something in that apt-get upgrade that resulted in denied access. I am guessing samba. I have put samba update on hold and will try apt-get upgrade again but before I do does anyone know of another package update that might have caused this before I press the button and have to re-flash the os again. I wish sonos could just read minimserver.

M_D_FAuthor
May 21, 2023

For clarification the Samba version that works is 4.13.17

Enthusiast II
May 21, 2023

It’s Samba 4.15 and higher that cause these issues. You can add “unix extensions = no” to your smb.conf and Sonos should be able to connect to the server again. 

M_D_FAuthor
May 21, 2023

That's interesting. I've not tried that. What does it do exactly?

Stanley_4
Grand Maestro
May 21, 2023

Search the page for unix extensions, it is in several places and seems to be different for the  SMB versions.

https://www.samba.org/samba/docs/current/man-html/smb.conf.5.html

M_D_FAuthor
May 22, 2023

Thanks, I'll have a look.

M_D_FAuthorAnswer
May 22, 2023

Adding “unix extensions = no” to smb.conf solved it. Thanks, very grateful.