SMBPASSWD(8) (NAME) smbpasswd - SMB (SYNOPSIS) smbpasswd [-a] [-c ] [-x] [-d] [-e] [-D debuglevel] [-n] [-r ] [-R ] [-m] [-U username[%password]] [-h] [-s] [-w pass] [-W] [-i] [-L] [username] (DESCRIPTION) samba(7) . smbpasswd root . SMB SMB . ( ) SMB . passwd(1) . smbpasswd passwd setuid root - (client- server) smbd(8) . smbd . SMB passdb . smbpasswd SMB . (echo) . SMB ( "NO PASSWORD" smbpasswd ) . smbpasswd SMB (Primary Domain Controllers) NT . (-r) -U . smbpasswd root smbpasswd . root smbpasswd smbpasswd smbd . (OPTIONS) -a smbpasswd ( ). smbpasswd . passdb ( /etc/passwd) . smbpasswd root . -c /etc/samba/smb.conf . -x smbpasswd . smbpasswd root . -d smbpasswd . 'D' smbpasswd . SMB . smbpasswd <<>> ( Samba 2.0) (FAIL). <<>> smbpasswd(5) . smbpasswd root . -e smbpasswd . . SMB . smbpasswd <<>> smbpasswd (FAIL). <<>> smbpasswd(5) . smbpasswd root . -D debuglevel debuglevel 0 10 . . smbpasswd () . 0 . 1 . 3 . -n smbpasswd null ( ) . "NO PASSWORD" smbpasswd . Samba smbpasswd "NO PASSWORD" [global] smb.conf : null passwords = yes smbpasswd root . -r remote machine name . smbpasswd (local host) . remote machine name NetBIOS SMB/CIFS . Samba IP . -R name resolve order . (logged on) . -U username . NT (Primary Domain Controller) ( ). 95/98 Win95/98 . -R name resolve order smbpasswd NetBIOS . : "lmhosts" "host" "wins" "bcast". : o lmhosts: IP lmhosts . lmhosts NetBIOS ( lmhosts(5) ) . o host: IP /etc/hosts NIS DNS. ( IRIX Solaris /etc/nsswitch.conf ). NetBIOS 0x20 () . o wins: IP wins server. WINS . o bcast: (broadcast) interfaces . . lmhosts, host, wins, bcast smb.conf(5) . -m smbpasswd (MACHINE account) . Samba NT . smbpasswd root . -U username -r . . . -h smbpasswd root . -s smbpasswd (silent) ( ) /dev/tty ( passwd(1) ) . smbpasswd . -w password Samba LDAP . -w ldap admin dn . secrets.tdb DN . ldap admin dn . -W : "-w" stdin . Samba LDAP . -W ldap admin dn . secrets.tdb DN . ldap admin dn . -i smbpasswd (interdomain trust account) . Samba NT . . smbpasswd root . -L (local mode). username root ( ) . root root smbpasswd . (NOTES) smbpasswd root - (client-server) smbd smbd . allow hosts deny hosts smb.conf(5) smbd "localhost" smbd . smbpasswd Samba . (VERSION) 4.24.6 Samba . (SEE ALSO) smbpasswd(5), Samba(7). (AUTHOR) Samba Andrew Tridgell . Samba Samba Team . Samba 4.24.6 08/16/2026 SMBPASSWD(8)