Just a collection of notes and screenshot that can help in getting ready for the RHCSA exam.
Basted on RHEL 7.

Boot systems into different targets manually

 Configure networking and hostname resolution statically or dynamically

Interrupt the boot process in order to gain access to a system

Mount and unmount CIFS network file systems

Configure a system to use time services

timedatectl

timedatectl list timezones
timedatectl set-timezone America/Phoenix


timedatectl set-time 9:00:00
timedatectl set-ntp true/false
timedatectl