Good afternoon,
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My network knowledge is very thin and my English language very bad. I'm on Ubuntu 19.10. on a Lenovo X 201 (INDE) usually in WiFi. I would like to install Ubuntu on my desktop computer (called JR (W 10)) which is wired on the Bouygues box (Sagem Fast5330b-r1)). Before that I want to be sure that will be able to authorize my wife's computer (ELLE (W 10) wired on the Bouygues box too) to access some of my files on JR. Thus I am proceeding to some tests.
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Our workgroup name is WE.
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On the Windows computer in SMB 1.0 / CIFS file sharing support I have three lines, the first two being checked (SMB server, SMB client already is - Automatic removal of SMB 1.0 / CFIS is unchecked).
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On INDE I do:
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testparm> testparm2020041145
sudo service smbd restart then sudo service nmbd restart (is the latter useful?)
systemctl status smbd nmbd> systemctl2020041149
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Via ps -aux I see started by root
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...usrsbin / smbd –foreground –no-process-group
...usrsbin / smbd –foreground –no-process-group
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In the file explorer I click Other locations. - On this computer - there is Computer and Network. In Networks I see INDE (where print $ (???) is located) and Windows Network. I click on Windows Network and...
...When click on WE: Unable to access the location (Obtaining the list of shares from the server failed: the network broke the connection during the reset)
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...When I click on WORKGROUP there is BBOX and FM (a small Asus in Wifi which is used to listen to the radio in the kitchen (you will know everything))


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In the explorer of JR, in the network there is ELLE, INDE, BBOX, JR, FM.

1:24 p.m.
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After lunch. I just went back to the file explorer of INDE where Windows Network is now empty. Magic. INDE is always on the network when I browse it on JR.
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Whatever the moment when I ask smbclient -L 192.168.1.35 (address of JR) he answers:
Unable to initialize messaging context
protocol negociation failes: NT_STATUS_CONNECTION_RESET

Can you please give me an idea ? Thanks a lot.

============== Testparm result
# Global parameters
[global]
log file = /var/log/samba/log.%m
logging = file
map to guest = Bad User
max log size = 1000
obey pam restrictions = Yes
pam password change = Yes
panic action = / usr / share / samba / panic-action% d
passwd chat = * Enter \ snew \ s * \ spassword: *% n \ n * Retype \ snew \ s * \ spassword: *% n \ n * password \ supdated \ ssuccessfully *.
passwd program = / usr / bin / passwd% u
server role = standalone server
server string = INDE
unix password sync = Yes
usershare allow guests = Yes
workgroup = WE
idmap config *: backend = tdb


[printers]
browseable = No
comment = All Printers
create mask = 0700
path = / var / spool / samba
printable = Yes


[print $]
comment = Printer Drivers
path = / var / lib / samba / printers

Yes both services need to be running i.e smbd and nmbd. since Ubuntu uses systemctl use
sudo systemctl start smbd
sudo systemctl start nmbd

Check commands to see if samba started successfully
sudo systemctl status smbd
sudo systemctl status nmbd

The default Ubuntu 19 smb.conf file only enables print sharing as shown in the output of the testparm command. What are you trying to share? You can enable the home shares or create a new one. You also need to add a username/password using smbpasswd command.

Ubuntu 19 by default does not use SMB version 1 and therefore not browse-able like the other devices. Without changing anything you should be able to enter the IP address in the Windows file browser and see the shares and printers if they exist and are browse-able i.e. \\192.168.1.35

While this is not recommended you should be able to set protocol back to smbV1 by adding the following to the smb.conf file
lanman auth = yes
ntlm auth = yes

The default Ubuntu workgroup name is WORKGROUP you can change the workgroup by adding a workgroup directive in the smb.conf file.

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Thank you michaelk