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Samba Won't Mount, Buster to Bullseye migration

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  Samba Won't Mount, Buster to Bullseye migration Charles Curley <charlescurley@charlescurley.com> - 2021-10-27 06:40 +0200
    Re: Samba Won't Mount, Buster to Bullseye migration David Christensen <dpchrist@holgerdanske.com> - 2021-10-27 07:50 +0200
    Re: Samba Won't Mount, Buster to Bullseye migration Keith Bainbridge <keithrbaugroups@gmail.com> - 2021-10-27 07:50 +0200
      Re: Samba Won't Mount, Buster to Bullseye migration Charles Curley <charlescurley@charlescurley.com> - 2021-10-27 15:30 +0200

#241715 — Samba Won't Mount, Buster to Bullseye migration

I just re-installed my Samba server, formerly on Buster, now on
Bullseye. This has worked in the past, including Bullseye clients
mounting a share on a Buster server. I have one share defined, for my
user:

[samba]
path = /crc/samba
valid users = charles
read only = no

/etc/fstab has the following line (possibly wrapped in transit):

# # SMB mount per
https://wiki.samba.org/index.php/Mounting_samba_shares_from_a_unix_client
and some experimenting. ,noauto //samba.localdomain/samba
/home/charles/samba cifs
x-systemd.automount,_netdev,rw,credentials=/etc/samba/charles.credentials,uid=charles,gid=charles,file_mode=0644
    0       0

So when I try to mount, I get:

root@hawk:~# mount /home/charles/samba/ && ll /home/charles/samba/
mount error(13): Permission denied
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) and kernel
log messages (dmesg) root@hawk:~# 

syslog shows:

Oct 26 21:22:49 hawk kernel: [ 2901.229826] CIFS: Attempting to mount
//samba.localdomain/samba Oct 26 21:22:49 hawk kernel: [ 2901.242021]
CIFS: VFS: cifs_mount failed w/return code = -13

charles@hawk:~$ ll -d samba/
drwxr-xr-x 2 charles charles 4096 Oct 26 12:56 samba//
charles@hawk:~$

root@hawk:/crc# ll -d samba/
drwxr-xr-x 16 charles charles 4096 Oct 19 18:28 samba//
root@hawk:/crc# 


Searching on that last line turned up nothing informative. The man page
for mount.cifs wasn't very informative.


-- 
Does anybody read signatures any more?

https://charlescurley.com
https://charlescurley.com/blog/

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#241716

On 10/26/21 9:11 PM, Charles Curley wrote:
> I just re-installed my Samba server, formerly on Buster, now on
> Bullseye. This has worked in the past, including Bullseye clients
> mounting a share on a Buster server. I have one share defined, for my
> user:
> 
> [samba]
> path = /crc/samba
> valid users = charles
> read only = no
> 
> /etc/fstab has the following line (possibly wrapped in transit):
> 
> # # SMB mount per
> https://wiki.samba.org/index.php/Mounting_samba_shares_from_a_unix_client
> and some experimenting. ,noauto //samba.localdomain/samba
> /home/charles/samba cifs
> x-systemd.automount,_netdev,rw,credentials=/etc/samba/charles.credentials,uid=charles,gid=charles,file_mode=0644
>      0       0
> 
> So when I try to mount, I get:
> 
> root@hawk:~# mount /home/charles/samba/ && ll /home/charles/samba/
> mount error(13): Permission denied
> Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) and kernel
> log messages (dmesg) root@hawk:~#
> 
> syslog shows:
> 
> Oct 26 21:22:49 hawk kernel: [ 2901.229826] CIFS: Attempting to mount
> //samba.localdomain/samba Oct 26 21:22:49 hawk kernel: [ 2901.242021]
> CIFS: VFS: cifs_mount failed w/return code = -13
> 
> charles@hawk:~$ ll -d samba/
> drwxr-xr-x 2 charles charles 4096 Oct 26 12:56 samba//
> charles@hawk:~$
> 
> root@hawk:/crc# ll -d samba/
> drwxr-xr-x 16 charles charles 4096 Oct 19 18:28 samba//
> root@hawk:/crc#
> 
> 
> Searching on that last line turned up nothing informative. The man page
> for mount.cifs wasn't very informative.


Getting Samba shares working can be very difficult.  In recent years, 
the authentication mode has been my primary issue -- I had to lower it 
to a deprecated level to get shares to work.  I have yet to find a 
rational process for debugging Samba server shares and client mounts. 
The following represents "RTFM, STFW, poke at it until it works, and 
then stop".  I very much doubt that it is "correct".


Here is the server:

2021-10-26 22:31:18 toor@samba ~
# freebsd-version ; uname -a
12.2-RELEASE-p10
FreeBSD samba.tracy.holgerdanske.com 12.2-RELEASE-p7 FreeBSD 
12.2-RELEASE-p7 GENERIC  amd64

2021-10-26 22:31:19 toor@samba ~
# pkg info 'samba*'
samba413-4.13.8

2021-10-26 22:31:24 toor@samba ~
# egrep -A 9 '\[global\]' /usr/local/etc/smb4.conf
[global]
	local master = Yes
	netbios name = SAMBA
	ntlm auth = ntlmv1-permitted
	passdb backend = tdbsam
	preferred master = Yes
	security = USER
	server string = Samba Server Version %v
	wins support = Yes
	workgroup = WORKGROUP

2021-10-26 22:31:31 toor@samba ~
# egrep -A 3 '\[dpchrist\]' /usr/local/etc/smb4.conf
[dpchrist]
	path = /var/local/samba/dpchrist
	read only = No
	valid users = dpchrist


Here is the client:

2021-10-26 22:39:01 root@tinkywinky ~
# cat /etc/debian_version ; uname -a
9.13
Linux tinkywinky 4.9.0-16-amd64 #1 SMP Debian 4.9.272-2 (2021-07-19) 
x86_64 GNU/Linux

2021-10-26 22:39:19 root@tinkywinky ~
# apt list --installed 2> /dev/null | egrep '^(smb|cifs)'
cifs-utils/oldoldstable,now 2:6.7-1 amd64 [installed]
smbclient/oldoldstable,now 2:4.5.16+dfsg-1+deb9u4 amd64 [installed]

2021-10-26 22:39:25 root@tinkywinky ~
# grep 'samba/dpchrist' /etc/fstab
//samba/dpchrist				/home/dpchrist/samba/dpchrist		cifs	 
noauto,vers=3.0,user,username=dpchrist	0	0


I mount the share manually:

2021-10-26 22:34:32 dpchrist@tinkywinky ~
$ mount samba/dpchrist
Password for dpchrist@//samba/dpchrist:  ********


Good luck.


David

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#241717

On 27/10/21 15:11, Charles Curley wrote:
> and some experimenting. ,noauto //samba.localdomain/samba
> /home/charles/samba cifs
> x-systemd.automount,_netdev,rw,credentials=/etc/samba/charles.credentials,uid=charles,gid=charles,file_mode=0644
>      0       0

Charles


I've only ever seen the   'noauto'   amongst the uid= gid= options


Are you sure it should be first item in the entry?

-- 
All the best

Keith Bainbridge

keithrbaugroups@gmail.com

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#241730

On Wed, 27 Oct 2021 16:46:18 +1100
Keith Bainbridge <keithrbaugroups@gmail.com> wrote:

> I've only ever seen the   'noauto'   amongst the uid= gid= options
> 
> 
> Are you sure it should be first item in the entry?

Dratted line wrap. That is in the comment line above the actual entry
line. I put it there to remind me I had taken it out of the actual
entry. Thanks for the catch anyway.

-- 
Does anybody read signatures any more?

https://charlescurley.com
https://charlescurley.com/blog/

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