Friday, October 22, 2021

Setup OpenLDAP Master-Slave Replication on CentOS 8

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In this guide, we are going to learn how to setup OpenLDAP Master-Slave Replication on CentOS 8. In recent versions of OpenLDAP, the terms Master and Slave have been deprecated and the terms Provider and Consumer replaced them respectively. In such a setup, LDAP provider replicates directory updates to LDAP consumers i.e consumers receive replication updates from providers. Apart from...

Install and Setup phpLDAPadmin on Ubuntu 20.04

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phpLDAPadmin (also known as PLA) is a web-based application written in PHP for administering LDAP servers. In this guide, you will learn how to install and setup phpLDAPadmin on Ubuntu 20.04. PLA is designed to manage records in an LDAP server, including creating, modifying, deleting records. Learn how to install and setup OpenLDAP server with SSL/TLS on Ubuntu 20.04 by...

Configure OpenLDAP SSSD client on CentOS 6/7

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openldap sssd
Do you have some old CentOS system, CentOS 7 or CentOS 6 and want to enable OpenLDAP authentication? Well, follow through this guide to learn how configure OpenLDAP SSSD client on CentOS 6/7. Well, as you might already know, SSSD offers quite a number of benefits including; Reduced load on identity and authentication servers through caching of authentication information.Offers offline...

Setup OpenLDAP Master-Master Replication on CentOS 8

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In this guide, we are going to learn how to setup OpenLDAP Master-Master Replication on CentOS 8. OpenLDAP supports a wide variety of replication topologies such as provider-slave, provider-provider topologies. Multi-provider aka multi-master replication therefore, is a replication technique that use the LDAP Sync Replication engine(Syncrepl) to replicate data to multiple providers ("Masters") Directory servers. Setup OpenLDAP Master-Master Replication on CentOS...

Configure OpenLDAP Authentication on MacOS X

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Welcome to our tutorial on how to configure OpenLDAP authentication on MacOS X. Fortunately, MacOS X systems ship with a utility called Directory Utility. According to Apple Support, Directory Utility can be used to add and configure advanced connections to directory servers. When configured, your Mac OS can access the directory servers for user information and other administrative data stored...

Disable Password Expiry for Specific Users on OpenLDAP

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How can I prevent password expiration for a single specific LDAP user like the LDAP administrator, the replication user, the bind DN user? Well, it is actually possible to disable password expiry for specific users on OpenLDAP. That is what we are going to cover on this guide. Disable Password Expiry for Specific Users on OpenLDAP In our previous guide, we...

Configure OpenLDAP Host Based Authentication

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How do you configure OpenLDAP such that access is restricted based on host name of the computer being accessed and the user associated with the host name? Well, in this guide, we will learn how to configure OpenLDAP host based authentication. Disclaimer: This guide is based on the configurations I made on my OpenLDAP server to get the host based...

Configure OpenLDAP Password Expiry Email Notification

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In this tutorial, we are going to learn how to configure OpenLDAP password expiry email notification. If you are using identity and authentication clients such as SSSD on your OpenLDAP clients, you might have realized that, everytime you are logging into a system, SSSD displays a number of days before the password expires, that is only if the OpenLDAP...

Configure Offline Authentication via OpenLDAP on MacOS X

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In this tutorial, we are going to learn how to configure Offline Authentication via OpenLDAP on MacOS X. If you have configured network-based authentication on MacOS X through directory servers such as OpenLDAP, Active Directory, FreeIPA, chances are you might want to use the same directory account to authenticate to you MacOS system when you are not connected to...

Install and Configure SSSD for OpenLDAP Authentication on Fedora 32/31/30

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openldap sssd
In tutorial, you will learn how to install and configure SSSD for OpenLDAP Authentication on Fedora 32/31/30. SSSD is an acronym for System Security Services Daemon (SSSD). "The primary function of SSSD is to provide access to local or remote identity and authentication resources through a common framework that can provide caching and offline support to the system. It...