Sometimes simple changes can make a huge difference in usability. I doubt anyone would argue that the interface design of an application, document, or web site matters. Depending on who the user is, the stakes can range from inconvenience to life and death. Imagine if buying lunch at a restaurant required the scrutiny of selecting… Read More »
While I prefer nss-pam-ldapd for authentication and password resolution on Linux systems, sssd has a few advantages. I consider the biggest advantage of SSSD is the ability to cache credentials. I am going to assume you have a directory server up and running. If not, you can always follow my guides on installing OpenLDAP and… Read More »
Adding a disk to LVM is pretty straightforward. The typical scenario is you have a virtual machine (VM) that is running low on space, so you add another virtual disk to it. Another possible scenario is adding another physical disk to create a software mirror. Perhaps you have a new host and wish to store… Read More »
Unless you are using some kind of management tool, you use ldapadd to add a user to an OpenLDAP database. Before doing so, you will need a few pieces of information: What type of user you are creating (e.g. POSIX or non-POSIX) The LDAP suffix of the database you wish to add the user to.… Read More »
How to change an OpenLDAP password depends on whether it is a regular user or an administrative user. The configuration directory and each database (with a few exceptions) have an administrative account. I will cover how to change all three. Run all of the commands in this guide on your directory server as the root… Read More »
While they aren’t always installed by default, the programs dump and restore are great tools for backing up and restoring ext4 filesystems. They are flexible and easy to use. dump/restore features: Support for full, differential, and incremental backups Can read from and write to standard input and standard ouput When writing to removable media, it… Read More »
Listicles seem to be popular and I read somewhere that they get a lot of clicks. My SEO tool tells me I should have the title of the page in the first paragraph, so hopefully how to start a blog in 9 steps will change your life! * This is an affiliate link. If you… Read More »
The Linux find program is very powerful. It has a small learning curve, but a little time spent learning find now will save you a lot of time later. The Linux find command isn’t actually part of Linux. It is a program that is part of the GNU findutils project. It can be installed on… Read More »
You may want a version of Nginx that is newer than available in the repositories. As of today (2019 May 1), the latest version is 1.16.0. The Nginx developers maintain a apt repository with the latest version. I recommend using the repository because it will be easier to keep Nginx up to date. The Nginx… Read More »
You may want a version of Nginx that is newer than available in the repositories. As of today (2019 April 30), the latest version is 1.16.0. The Nginx developers maintain a yum repository with the latest version. I recommend using the repository because it will be easier to keep Nginx up to date. The Nginx… Read More »