Introduction. In this post we will see how we can reset password for our OpenLDAP users using the special utility ldappasswd. Change user password using admin credentials. When it comes to resetting user passwords, one of the most common things is to reset user’s password providing our admin credentials. Let’s change the password for the
Introduction This post will cover another important LDAP data manipulation – adding new entries to the directory tree. We will be using ldapadd utility. Prerequisite I assume that you have a working OpenLDAP server and OpenLDAP client. You might want to read this post which explains step by step how to install and run OpenLDAP
Introduction In this post we will learn how to search OpenLDAP directory using ldapsearch command. Prerequisite I assume that you have a working OpenLDAP server and OpenLDAP client. You might want to read this post which explains step by step how to install and run OpenLDAP server on Ubuntu 18.04. It also shows the basic
Introduction In this post we will install OpenLDAP on Ubuntu 18.04. OpenLDAP is a free open-source implementation of LDAP (Lightweight Directory Access Protocol). LDAP is a datastore mostly used for storing user identities and for user authentication. What is LDAP? LDAP stores the information in a hierarchical format called Directory Information Tree(DIT). The DIT contains
Introduction In this post we will learn how to use ss command, which can give you a lot of useful socket related information. ss comes pre-installed with all modern popular Linux distributions. We will go through several examples, so you could easily modify them and get the desired result. I will be using Ubuntu 18.04
Introduction In this post you will learn how to configure multiple IP phones with the same extension in FreePBX. This extension is usually called shared line, because it is shared by different devices. Using shared lines is very convenient when you have two or more devices and want to be able to answer the incoming
Introduction This post explains why you are getting “Host Not Found” error on your newly registered IP phone’s display and how to fix it. Why “Host Not Found” error? The reason you are getting this error is that when you autoregister a brand new IP phone, it attempts to take you through the self-provision wizard,
Introduction In this article we will see why we are getting “user is not in the sudoers file” error and what we can do about it. But before we start, let’s learn some theory. I will be using CentOS 7 for demo. What is sudo? sudo is a command that allows you to run other
Introduction In this post we will learn how to enable SSH server on your Ubuntu. What is SSH? SSH (Secure Shell) is a network protocol which supports encryption. It is mainly used for a remote secure configuration and management. It is common to use SSH protocol for a remote Linux administration. If we want to
Introduction In this article we will see how it is possible to log SSH or telnet session output to a file. I usually use this method for saving the configuration of remote network devices like routers or switches, but it might be useful in any other situations when you need to save all session output
