Configuring a FreeIPA Server For Use In RHCE7 Practice Lab

This post shows you how to configure a FreeIPA server for use in a RHCE7 exam preparation lab environment.

Using the D-Bus Interface to Firewalld

This post describes the D-Bus interface to FirewallD and provides a number of working examples which use dbus-send to retrieve information from FirewallD and change the firewall configuration.

Configuring RHEL7 Networking Using nmcli

This post shows you how to use the nmcli utility to rename and assign static IPv4 addresses to a networking interface in a newly created CentOS 7.0 VM.

Configuring CentOS 7 For RHCSA7 Or RHCE7 Practice Labs

This blog post show you how to correctly configure your CentOS 7 repos so as to obtain only the updated packages for a particular specific version of CentOS 7, thereby avoiding being updated to the latest version of CentOS 7 when updating your system using yum update.

RHEL/CentOS 7: Revert To Old Network Interface Naming Convention

RHEL/CentOS 7 uses SystemD predictable network interface names. This post shows you how to rename a network interfcae to eth0,/em>without modifying the kernel commnad line or any udev rules, and without requiring a sytem reboot.