shell - echo smbpasswd by --stdin doesn't work -

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i want make creating samba password automated command doesn't work:

echo "passwd"|smbpasswd -a -s $user

it shows error:

mismatch - password unchanged. unable new password.

could please suggest option make script automated?

you need repeat password, "for confirmation" speak, e.g.

printf "passwd\npasswd\n" | smbpasswd -a -s $user

should work.


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