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First, install the OpenLDAP server daemon slapd and ldap-utils, a package containing LDAP management utilities:
sudo apt-get install slapd ldap-utils
By default the directory suffix will match the domain name of the server. For example, if the machine's Fully Qualified Domain Name (FQDN) is ldap.example.com, the default suffix will be dc=example,dc=com. If you require a different suffix, the directory can be reconfigured using dpkg-reconfigure. Enter the following in a terminal prompt:
sudo dpkg-reconfigure slapd
example.com.ldif
dn: ou=people,dc=example,dc=com objectClass: organizationalUnit ou: people dn: ou=groups,dc=example,dc=com objectClass: organizationalUnit ou: groups dn: uid=john,ou=people,dc=example,dc=com objectClass: inetOrgPerson objectClass: posixAccount objectClass: shadowAccount uid: john sn: Doe givenName: John cn: John Doe displayName: John Doe uidNumber: 1000 gidNumber: 10000 userPassword: password gecos: John Doe loginShell: /bin/bash homeDirectory: /home/john shadowExpire: -1 shadowFlag: 0 shadowWarning: 7 shadowMin: 8 shadowMax: 999999 shadowLastChange: 10877 mail: john.doe@example.com postalCode: 31000 l: Toulouse o: Example mobile: +33 (0)6 xx xx xx xx homePhone: +33 (0)5 xx xx xx xx title: System Administrator postalAddress: initials: JD dn: cn=example,ou=groups,dc=example,dc=com objectClass: posixGroup cn: example gidNumber: 10000
To add the entries to the LDAP directory use the ldapadd utility:
ldapadd -x -D cn=admin,dc=example,dc=com -W -f example.com.ldif
We can check that the content has been correctly added with the tools from the ldap-utils package. In order to execute a search of the LDAP directory:
ldapsearch -xLLL -b "dc=example,dc=com" uid=john sn givenName cn dn: uid=john,ou=people,dc=example,dc=com cn: John Doe sn: Doe givenName: John
Just a quick explanation:
-x: will not use SASL authentication method, which is the default.
-LLL: disable printing LDIF schema information.
libnss-ldap
sudo apt-get install libnss-ldap
reconfigure ldap-auth-config
sudo dpkg-reconfigure ldap-auth-config
auth-client-config
sudo auth-client-config -t nss -p lac_ldap
pam-auth-update.
sudo pam-auth-update
sudo apt-get install ldapscripts
/etc/ldapscripts/ldapscripts.conf
SERVER=localhost BINDDN='cn=admin,dc=example,dc=com' BINDPWDFILE="/etc/ldapscripts/ldapscripts.passwd" SUFFIX='dc=example,dc=com' GSUFFIX='ou=Groups' USUFFIX='ou=People' MSUFFIX='ou=Computers' GIDSTART=10000 UIDSTART=10000 MIDSTART=10000
Now, create the ldapscripts.passwd file to allow authenticated access to the directory:
sudo sh -c "echo -n 'secret' > /etc/ldapscripts/ldapscripts.passwd" sudo chmod 400 /etc/ldapscripts/ldapscripts.passwd