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Old 11-17-2016, 04:16 AM   #1
Registered: Sep 2008
Posts: 546

Rep: Reputation: 37
script to automate "smbpasswd -a user"

I've written a script that installs samba on a new centos 7 64 bit server but I want the script to give the password when setting up the samba user. I've been trawling google for ages and there are examples out there but I can't get any of them to work. Most require that you manually input the smb-password but I want my script to do it automatically.
At the moment my script section is
(snip loads of install script>>
useradd <username>  # creates the unix user
<snip section that creates the user a/c passwd>
smbpasswd -a <username here>  # creates aamba user
here's where I always get the 'New SMB password:' prompt.

after 'smbpasswd -a <username here>' I've tried
(echo newpassword; echo confirmNewPassword) | smbpasswd -s
doesn't work, I also tried
(echo $pw; echo $pw ) | smbpasswd -s -a $user
doesn't work, along with many other lines that I've forgotten. What do I need after 'smbpasswd -a <username here>' to make this work? thanks for any help.

update: I did find this post here: but it's gives this output with two errors:
passwd: Authentication token manipulation error
Added user <username>
smbpasswd: option requires an argument -- 'w'
Added user <username>.

Last edited by tonj; 11-17-2016 at 04:33 AM.
Old 11-17-2016, 06:43 AM   #2
Registered: Aug 2002
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Try using printf instead of echo

printf "$pw\$pw\n" | smbpasswd -a -s $user
Old 11-18-2016, 02:24 AM   #3
Registered: Sep 2008
Posts: 546

Original Poster
Rep: Reputation: 37
thankyou michael I did solve it in the end, the script at the link above does in fact work on a clean centos 7 install, I deleted the '-w' in it and it seemed to go okay and the samba share worked.


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