Switched Hostname Samba now falls over

[fleamour]

Changed hostname via GUI, cue,hell!!! Have managed to sudo nano back but samba does not start;

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$ sudo service smbd status
● smbd.service - LSB: start Samba SMB/CIFS daemon (smbd)
   Loaded: loaded (/etc/init.d/smbd; bad; vendor preset: enabled)
   Active: failed (Result: exit-code) since Wed 2017-06-14 07:39:52 BST; 18s ago
     Docs: man:systemd-sysv-generator(8)
  Process: 9419 ExecStart=/etc/init.d/smbd start (code=exited, status=1/FAILURE)

Jun 14 07:39:52 ASRock systemd[1]: Starting LSB: start Samba SMB/CIFS daemon (sm
Jun 14 07:39:52 ASRock smbd[9419]:  * Starting SMB/CIFS daemon smbd
Jun 14 07:39:52 ASRock smbd[9419]:    ...fail!
Jun 14 07:39:52 ASRock systemd[1]: smbd.service: Control process exited, code=ex
Jun 14 07:39:52 ASRock systemd[1]: Failed to start LSB: start Samba SMB/CIFS dae
Jun 14 07:39:52 ASRock systemd[1]: smbd.service: Unit entered failed state.
Jun 14 07:39:52 ASRock systemd[1]: smbd.service: Failed with result 'exit-code'.
lines 1-13/13 (END)

(An aside, I can access Tumbleweed share from Mint but cannot authenticate domain from Tumbleweed though Mint computer is seen...)

[altair4]

Please post the output of the following commands:

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hostname

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testparm -s

[fleamour]

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$ hostname
ASRock

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$ testparm -s
Load smb config files from /etc/samba/smb.conf
rlimit_max: increasing rlimit_max (1024) to minimum Windows limit (16384)
WARNING: The "syslog" option is deprecated
WARNING: Ignoring invalid value 'share' for parameter 'security'
Error loading services.

[fleamour]

Latest update triggered this error:

E: samba: subprocess installed post-installation script returned error exit status 1
E: system-config-samba: dependency problems - leaving unconfigured

[altair4]

WARNING: Ignoring invalid value 'share' for parameter 'security'

It looks like you used system-config-samba.

Edit smb.conf:

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gksu xed /etc/samba/smb.conf

Find the line:

security = share

And change it to user:

security = user

Save the file then restart samba in this order:

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sudo service smbd restart

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sudo service nmbd restart

[fleamour]

Thank you @altair4 for your skilled help, adds to my knowledge...

I can access openSUSE shares from Mint box but not vice versa:

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# Sample configuration file for the Samba suite for Debian GNU/Linux.
#
#
# This is the main Samba configuration file. You should read the
# smb.conf(5) manual page in order to understand the options listed
# here. Samba has a huge number of configurable options most of which 
# are not shown in this example
#
# Some options that are often worth tuning have been included as
# commented-out examples in this file.
#  - When such options are commented with ";", the proposed setting
#    differs from the default Samba behaviour
#  - When commented with "#", the proposed setting is the default
#    behaviour of Samba but the option is considered important
#    enough to be mentioned here
#
# NOTE: Whenever you modify this file you should run the command
# "testparm" to check that you have not made any basic syntactic 
# errors. 

#======================= Global Settings =======================

[global]

## Browsing/Identification ###

# Change this to the workgroup/NT-domain name your Samba server will part of
	workgroup = workgroup

# server string is the equivalent of the NT Description field
	server string = %h server (Samba, Linux Mint)

# Windows Internet Name Serving Support Section:
# WINS Support - Tells the NMBD component of Samba to enable its WINS Server
  wins support = Yes

# WINS Server - Tells the NMBD components of Samba to be a WINS Client
# Note: Samba can be either a WINS Server, or a WINS Client, but NOT both
#;   wins server = w.x.y.z

# This will prevent nmbd to search for NetBIOS names through DNS.
	dns proxy = no

#### Networking ####

# The specific set of interfaces / networks to bind to
# This can be either the interface name or an IP address/netmask;
# interface names are normally preferred
;   interfaces = 127.0.0.0/8 eth0

# Only bind to the named interfaces and/or networks; you must use the
# 'interfaces' option above to use this.
# It is recommended that you enable this feature if your Samba machine is
# not protected by a firewall or is a firewall itself.  However, this
# option cannot handle dynamic or non-broadcast interfaces correctly.
;   bind interfaces only = yes



#### Debugging/Accounting ####

# This tells Samba to use a separate log file for each machine
# that connects
	log file = /var/log/samba/log.%m

# Cap the size of the individual log files (in KiB).
	max log size = 1000

# If you want Samba to only log through syslog then set the following
# parameter to 'yes'.
#   syslog only = no

# We want Samba to log a minimum amount of information to syslog. Everything
# should go to /var/log/samba/log.{smbd,nmbd} instead. If you want to log
# through syslog you should set the following parameter to something higher.
	syslog = 0

# Do something sensible when Samba crashes: mail the admin a backtrace
	panic action = /usr/share/samba/panic-action %d


####### Authentication #######

# Server role. Defines in which mode Samba will operate. Possible
# values are "standalone server", "member server", "classic primary
# domain controller", "classic backup domain controller", "active
# directory domain controller". 
#
# Most people will want "standalone sever" or "member server".
# Running as "active directory domain controller" will require first
# running "samba-tool domain provision" to wipe databases and create a
# new domain.
	server role = standalone server

# If you are using encrypted passwords, Samba will need to know what
# password database type you are using.  
;	passdb backend = tdbsam

	obey pam restrictions = yes

# This boolean parameter controls whether Samba attempts to sync the Unix
# password with the SMB password when the encrypted SMB password in the
# passdb is changed.
	unix password sync = yes

# For Unix password sync to work on a Debian GNU/Linux system, the following
# parameters must be set (thanks to Ian Kahan <<kahan@informatik.tu-muenchen.de> for
# sending the correct chat script for the passwd program in Debian Sarge).
	passwd program = /usr/bin/passwd %u
	passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* .

# This boolean controls whether PAM will be used for password changes
# when requested by an SMB client instead of the program listed in
# 'passwd program'. The default is 'no'.
	pam password change = yes

# This option controls how unsuccessful authentication attempts are mapped
# to anonymous connections
	map to guest = bad user

########## Domains ###########

#
# The following settings only takes effect if 'server role = primary
# classic domain controller', 'server role = backup domain controller'
# or 'domain logons' is set 
#

# It specifies the location of the user's
# profile directory from the client point of view) The following
# required a [profiles] share to be setup on the samba server (see
# below)
;   logon path = \\%N\profiles\%U
# Another common choice is storing the profile in the user's home directory
# (this is Samba's default)
#   logon path = \\%N\%U\profile

# The following setting only takes effect if 'domain logons' is set
# It specifies the location of a user's home directory (from the client
# point of view)
;   logon drive = H:
#   logon home = \\%N\%U

# The following setting only takes effect if 'domain logons' is set
# It specifies the script to run during logon. The script must be stored
# in the [netlogon] share
# NOTE: Must be store in 'DOS' file format convention
;   logon script = logon.cmd

# This allows Unix users to be created on the domain controller via the SAMR
# RPC pipe.  The example command creates a user account with a disabled Unix
# password; please adapt to your needs
; add user script = /usr/sbin/adduser --quiet --disabled-password --gecos "" %u

# This allows machine accounts to be created on the domain controller via the 
# SAMR RPC pipe.  
# The following assumes a "machines" group exists on the system
; add machine script  = /usr/sbin/useradd -g machines -c "%u machine account" -d /var/lib/samba -s /bin/false %u

# This allows Unix groups to be created on the domain controller via the SAMR
# RPC pipe.  
; add group script = /usr/sbin/addgroup --force-badname %g

############ Misc ############

# Using the following line enables you to customise your configuration
# on a per machine basis. The %m gets replaced with the netbios name
# of the machine that is connecting
;   include = /home/samba/etc/smb.conf.%m

# Some defaults for winbind (make sure you're not using the ranges
# for something else.)
;   idmap uid = 10000-20000
;   idmap gid = 10000-20000
;   template shell = /bin/bash

# Setup usershare options to enable non-root users to share folders
# with the net usershare command.

# Maximum number of usershare. 0 (default) means that usershare is disabled.
;	usershare max shares = 100

# Allow users who've been granted usershare privileges to create
# public shares, not just authenticated ones
	usershare allow guests = yes
	security = share
;	encrypt passwords = yes
;	guest ok = no
;	guest account = nobody

#======================= Share Definitions =======================

# Un-comment the following (and tweak the other settings below to suit)
# to enable the default home directory shares. This will share each
# user's home directory as \\server\username
;[homes]
;   comment = Home Directories
;   browseable = yes

# By default, the home directories are exported read-only. Change the
# next parameter to 'no' if you want to be able to write to them.
;   read only = no

# File creation mask is set to 0700 for security reasons. If you want to
# create files with group=rw permissions, set next parameter to 0775.
;   create mask = 0700

# Directory creation mask is set to 0700 for security reasons. If you want to
# create dirs. with group=rw permissions, set next parameter to 0775.
;   directory mask = 0700

# By default, \\server\username shares can be connected to by anyone
# with access to the samba server.
# Un-comment the following parameter to make sure that only "username"
# can connect to \\server\username
# This might need tweaking when using external authentication schemes
;   valid users = fleamour

# Un-comment the following and create the netlogon directory for Domain Logons
# (you need to configure Samba to act as a domain controller too.)
#;[netlogon]
#;   comment = Network Logon Service
#;   path = /home/samba/netlogon
#;   guest ok = yes
#;   read only = yes

# Un-comment the following and create the profiles directory to store
# users profiles (see the "logon path" option above)
# (you need to configure Samba to act as a domain controller too.)
# The path below should be writable by all users so that their
# profile directory may be created the first time they log on
;[profiles]
;   comment = Users profiles
;   path = /home/samba/profiles
;   guest ok = no
;   browseable = no
;   create mask = 0600
;   directory mask = 0700

#[printers]
#	comment = All Printers
#	browseable = no
#	path = /var/spool/samba
#	printable = yes
#;	guest ok = no
#;	read only = yes
#	create mask = 0700

# Windows clients look for this share name as a source of downloadable
# printer drivers
#[Cinnamon]
#	path = /home/fleamour
#	writeable = yes
#;	browseable = yes
#	valid users = fleamour

[fleamour]

[BUMP]

[altair4]

[1] You still have security = share:

# Allow users who've been granted usershare privileges to create
# public shares, not just authenticated ones
usershare allow guests = yes
security = share

[2] And even if you fixed it you have no shares defined - at least you have none in smb.conf.

[fleamour]

[2] Is this a valid share?:

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# Un-comment the following (and tweak the other settings below to suit)
# to enable the default home directory shares. This will share each
# user's home directory as \\server\username
;[homes]
;   comment = Home Directories
;   browseable = yes
;   path = /home/fleamour
;   valid users = fleamour
;   read only = no

SUSE no connect.

[altair4]

[2] Is this a valid share?:

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# Un-comment the following (and tweak the other settings below to suit)
# to enable the default home directory shares. This will share each
# user's home directory as \\server\username
;[homes]
;   comment = Home Directories
;   browseable = yes
;   path = /home/fleamour
;   valid users = fleamour
;   read only = no

SUSE no connect.

No, for two reasons:

[1] The [homes] share is a special share and you are not using it correctly. If you want to share your home directory I would suggest using this instead:

[Cinnamon]
path = /home/fleamour
writeable = yes
; browseable = yes
valid users = fleamour

That should look familiar since you have it further down in smb.conf.

The problem is:

[2] Any line in smb.conf that starts with a # or a ; is a comment and ignored by samba.

So go into /etc/samba/smb.conf and change this:

#[Cinnamon]
# path = /home/fleamour
# writeable = yes
#; browseable = yes
# valid users = fleamour

To this:

[Cinnamon]
path = /home/fleamour
writeable = yes
; browseable = yes
valid users = fleamour

Save the file. Then restart smbd: sudo service smbd restart