[Samba] Unable to use samba-tool

[edward torvalds]

I having trouble with use samba-tool command. It just does not works. I
need help with troubleshooting

Commands I have tried:

sudo samba-tool user create edward
New Password: 
Retype Password: 
ERROR(<type 'exceptions.ValueError'>): Failed to add user 'edward':  -
unable to parse dn string
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/user.py", line
176, in run
    uid=uid, uidnumber=uid_number, gidnumber=gid_number, gecos=gecos,
loginshell=login_shell)
  File "/usr/lib/python2.7/dist-packages/samba/samdb.py", line 343, in
newuser
    dnsdomain = ldb.Dn(self,
self.domain_dn()).canonical_str().replace("/", "")

----------------------------------------------

samba-tool user list
ltdb: tdb(/var/lib/samba/private/sam.ldb): tdb_open_ex: could not open
file /var/lib/samba/private/sam.ldb: Permission denied

Unable to open tdb '/var/lib/samba/private/sam.ldb': Permission denied
Failed to connect to 'tdb:///var/lib/samba/private/sam.ldb' with
backend 'tdb': Unable to open tdb '/var/lib/samba/private/sam.ldb':
Permission denied
ERROR(ldb): uncaught exception - Unable to open tdb
'/var/lib/samba/private/sam.ldb': Permission denied
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/__init__.py",
line 175, in _run
    return self.run(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/samba/netcmd/user.py", line
265, in run
    credentials=creds, lp=lp)
  File "/usr/lib/python2.7/dist-packages/samba/samdb.py", line 56, in
__init__
    options=options)
  File "/usr/lib/python2.7/dist-packages/samba/__init__.py", line 114,
in __init__
    self.connect(url, flags, options)
  File "/usr/lib/python2.7/dist-packages/samba/samdb.py", line 71, in
connect
    options=options)


I don't know where to start troubleshooting from.
Thanks
-- 
edward torvalds <ltorvalds024 at gmail.com>