This guide will walk you through setting up OpenSUSE LEAP 15 to use an LDAP directory server for authentication. I am assuming you have a directory server up and running. If you don’t, you can follow these two guides to install and configure OpenLDAP: Install OpenLDAP From Source – OpenSUSE Configure OpenLDAP Install Packages First,… Read More »
This guide will walk you through setting up Debian Stretch to use an LDAP directory server for authentication. I am assuming you have a directory server up and running. If you don’t, you can follow these two guides to install and configure OpenLDAP: Install OpenLDAP From Source – Debian Stretch Configure OpenLDAP Install Packages First,… Read More »
This guide will walk you through setting up an OpenLDAP server for authenticating and managing users on Linux and UNIX. I am assuming you already have the OpenLDAP server installed and running with no backends configured. I recommend installing OpenLDAP from source, but this guide should work if you installed from a repository. I have… Read More »
This guide explains how to use the OpenLDAP client tools to manage an OpenLDAP directory server. I am assuming you have root access to your directory server. Common Options There are some options common to all of the OpenLDAP tools used in this guide. I recommend creating shell aliases for the ldap commands with these… Read More »
LDAP Search filters are fairly simple to learn and use. I am going to explain the filters in just enough depth so you can effectively use them. This guide is not going to be an exhaustive reference. If that is what you are looking for, then you want RFC 4515. LDAP Search filters start with… Read More »
It is fairly common to have Linux or UNIX machines on a network with a Microsoft Active Directory (AD) domain. There may be times when you want or need to search Active Directory with ldapsearch. Quick Example Using TLS ldapsearch -H ldaps://dc.example.com -x -W -D “user@example.com” \ -b “dc=example,dc=com” “(sAMAccountName=user)” Without TLS ldapsearch -H… Read More »
This guide will walk you through installing OpenLDAP from source on OpenSUSE Leap. I haven’t tested it on Tumbleweed, but it should work. It is written with the assumption that readers are able to use a command line shell and text editor on a UNIX like operating system. I also assume you will be using… Read More »
Changing a lost root password in Linux is not terribly difficult. If you have access to sudo, then it is very easy. If not, then it is a little more involved, but is fairly straight forward. This guide covers systemd based distributions, which is most modern distributions. I have tested it on CentOS 7, Debian… Read More »
There are a few ways you can delete a directory on Linux and UNIX systems. If you are using a desktop environment, you can probably right click on it in your file manager and select the appropriate option. If you are using the command line, you can use either the rm command, or the rmdir… Read More »
Sometimes you may want to find and remove broken symbolic links from your systems. For example, OSSEC will complain if it finds broken symbolic links in directories it monitors. This guide should work on almost any Linux or UNIX like operating system. The following command will list broken symbolic links in the directory you specify.… Read More »