A second -L disables printing of comments and the third disables printing of the LDIF version Q Enable SASL authentication in quiet mode The command options are broken down for you in the following block: With it we are able to query LDAP from the CLI. This command, ldapsearch, will become quite familiar to us as we run through the course. To list the configuration of cn=config directory we use the root account in Linux via sudo ldapsearch -Q -LLL -Y EXTERNAL -H ldapi:/// -b cn=config dn Changes can be made and implemented without a restart of the service.ĭc=example,dc=com This is the directory that we will use to store our own entries. This replaced the nf traditional flat configuration file and allows for dynamic configuration changes to the OpenLDAP server. This needs to be specifically configured.Īfter the OpenLDAP install, we have two LDAP Directories in place:Ĭn=config A configuration directory used in later versions of OpenLDAP. We will later see how we open the LDAPS port of 636 for more secure communication.ģ89 LDAP port for clear-text communicationĦ36 LDAPS port used for authenticating the server to the client and encrypting traffic. We should see that we now have port 389 open. If we check the open TCP ports on the ss -ntl We will also discover a little more about what we have achieved. We now have an LDAP server, step back and give yourself a few minutes to savor the moment. This is a new LDAP account created to manage the Directory that we are populating. The install will us the normal apt-get mechanism found on Debian based systems such as sudo apt-get sudo apt-get install -y ldap-utils slapdĭuring the install you will prompted for the admin password. It is important to have the hostname set correctly before the install as slapd uses the suffix to set the root level container. As Ubuntu 16.04 is based on systemd we can user the command sudo hostnamectl set-hostname The last step on the preparation process is to ensure that we have the correct FQDN set on the host. We will need to add host entries for, we edit the hosts file to echo '192.168.0.201 ldap1' | sudo tee -a /etc/hosts If we take a look at the file /etc/hosts it will need some head -n 2 /etc/hosts We will begin with the ldap1 system that should be configured with the IP Address 192.168.0.201. It is the slapd package that reads this data to create the root container, ie, dn: dc=example,dc=com. We set this with hostnamectl and also in the file /etc/hosts. Hostname We should the the hostname of the system to include the openLDAP organization that we want to use. This is acheived by the package slapd that we install along with ldap-utils which is the main package for the LDAP server and client. Using Ubuntu, a little of the configuration of the directory is completed during the install whereby, the upper level or root container is created along with the Admin user for that directory. In this lesson we look at an OpenLDAP install on Ubuntu 16.04 server. Installing OpenLDAP varies depending on the system that you use.
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