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Adding and Removing Disks From VMware RHEL7 Guests Without Rebooting

In this post, I show you how to quickly add or delete a virtual disk in a running Red Hat or CentOS guest VM, running on VMware Workstation or VMware Player, without rebooting the guest.

Configure a Local ISO-based Package Repository on a CentOS 7.2 VM

This post shows you how to configure a local ISO-based repository on a CentOS 7.2 VM using CentOS-7-x86_64-Everything-1511.iso

RHCSA Preparation - Script to Configure a Simple OpenLDAP Server

If you are preparing for the RHCSA exam, this post should be of interest to you. I provide a Bash script which will fully configure a simple OpenLDAP directory server which you can then use to test that your OpenLDAP client setup is correct.

Nesting RHEL7 KVM on VMware Workstation 12

In this post I discuss how to enable a Red Hat Enterprise Linux VM to use KVM when installed on top of VMware Workstation version 8 or later.

Fastest Way to Gain Root Access in RHCSA7 Exam

This blog post describes the fastest way that I know to change the root password on a RHEL7 platform if you do not know or have forgotten the root password. A typical use case is the RHCSA 7 exam.