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Re: [Samba] Fwd: Migrating server




Am Montag, 5. März 2018, 22:16:36 CET schrieb Rob Thoman:
> Hi Gruss,
> 
> At this stage there is only one server, running 3.6.25 on Ubuntu12.04.
> The plan to get LDAP to work on this one. Then add the second server
> 4.x and the promote it to BDC and then demote this one.  Just a side
> info, we didn't want to go tdbsam in both as I read it breaks the
> domain trust.
> 
> The domain names are real ones.
> 
> I ran the commands you suggested, nothing in reply.  I tried ldapi://
> and ldap://sam3dc.mydomain .
> 
> Let me run through what I did ,
> /etc/ldap/ldap.conf:
> BASE    dc=mydomain
> URI     ldap://sam3dc.mydomain
> TLS_CACERT /etc/ldap/ca_certs.pem
> 
> Imported the samba.ldif from the 3.6.25 binaries.
> 
> Imported the indices
> 
> dn: olcDatabase={1}hdb,cn=config
> changetype: modify
> add: olcDbIndex
> olcDbIndex: ou eq
> olcDbIndex: mail eq
> olcDbIndex: surname eq
> olcDbIndex: givenname eq
> olcDbIndex: loginShell eq
> olcDbIndex: uniqueMember eq,pres
> olcDbIndex: sambaSID eq
> olcDbIndex: sambaPrimaryGroupSID eq
> olcDbIndex: sambaGroupType eq
> olcDbIndex: sambaSIDList eq
> olcDbIndex: sambaDomainName eq
> olcDbIndex: default sub
> olcDbIndex: nisMapName eq
> olcDbIndex: nisMapEntry eq
> add: olcAccess
> olcAccess: to attrs=loginShell by dn="cn=admin,dc=mydomain" write by
> self write by * read
> olcAccess: to
> 
attrs=sambaNTPassword,sambaLMPassword,sambaPwdLastSet,sambaPwd
MustChan
> ge by dn="cn=admin,dc=mydomain" write by self write by * none
> 
> Did the certificates, confirmed working
> 
> Added the following
> dn: ou=users,dc=mydomain
> objectClass: top
> objectClass: organizationalUnit
> ou: users
> 
> dn: ou=groups,dc=mydomain
> objectClass: top
> objectClass: organizationalUnit
> ou: groups
> 
> dn: ou=idmap,dc=mydomain
> objectClass: top
> objectClass: organizationalUnit
> ou: idmap
> 
> dn: ou=computers,dc=mydomain
> objectClass: top
> objectClass: organizationalUnit
> ou: computers
> 
> Added the unixdipool as per your email
> 
> cat unixidpool.ldif
> 
> dn: sambaDomainName=MYDOMAIN,dc=mydomain
> 
> changetype: modify
> 
> add: objectclass
> 
> objectclass: sambaUnixIdPool
> 
> -
> 
> add: uidnumber
> 
> uidnumber: 10000
> 
> -
> 
> add: gidnumber
> 
> gidnumber: 10000
> 
add this point you should have cleaned /var/lib/samba
by stopping samba
backup and remove the content of /var/lib/samba
start samba

> Then smbpasswd -a '' bit.
> 
> Then did the pdbedit -i tdbsam -e ldapsam. This populated ldap with
> entries from tdb.
Are you sure that the generated ldif is working? I am sure not!
Why do I say this? Because samba 3.6 tolerates lot of things which are not 
allowed in current releases.

> Then exported the /etc/passwd and /etc/group and
> imported using the migration tool scripts
I have never done this.

And this could also make problems. i.e.
You have the user sadmin in /etc/paaswd and in ldap.
Remember that nss use first passwd and then ldap and stops after first 
match.

> here is smb.conf
> 
> workgroup = MYDOMAIN
> netbios name = sam3dc
> security = USER
> obey pam restrictions = Yes
>         encrypt passwords = true
> 
>         preferred master = Yes
>         local master = Yes
>         domain master = Yes
>         domain logons = yes
> max protocol = NT1
> map untrusted to domain = Yes
>  os level = 65
>   time server = yes
>   passdb backend = ldapsam
>   ldapsam:editposix = yes
>   ldapsam:trusted = yes
>   ldap admin dn = cn=admin,dc=mydomain
>   ldap suffix = dc=mydomain
>   ldap group suffix = ou=groups
>   ldap machine suffix = ou=computers
>   ldap user suffix = ou=users
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