Red Hat Linux System Administration Certification Tests

This course builds on the basic knowledge of Linux command line administration that students should have. They should be proficient in executing common commands using a shell, using common command options, and accessing man pages for help.

Goals

Use command line and SSH

Access Red Hat Help

Manage users and groups, files, and file permissions

Manage processes

Update software packages using yum;

Manage systemd services and troubleshooting, during the boot process;

Configure the network and solve basic problems;

Manage local storage, create and use file systems;

Manage the firewall using firewalld;

Manage KVM (Kernel-Based Virtual Machine);

Automate the installation of Red Hat Enterprise Linux using Kickstart.

Training program

System and support access

Go to the command line

Configure key-based ssh authentication

Getting help from the Red Hat Customer Portal

Finding and Resolving Problems with Red Hat Insights

Navigating the File System

Describe the concepts of File System Hierarchy (FHS)

Manage files with command line tools

Create links between files

Managing local users and groups

Describe user and group concepts

Get super user access

Manage local accounts

Manage local groups

Manage user passwords

File Access Control

Manage permissions from the command line

Manage default permissions

Security management by Selinux

Changing the Selinux activation mode

Control of Selinux contexts

Setting the Selinux boolean security policy

Inspect and correct Selinux refusals

System performance tuning

Kill processes

Monitor process activity

Adjust performance profiles

Change the sequencing of processes

Installing and updating software packages

Registering Systems with Red Hat Support

Install and update software packages with yum

Activate yum software repositories

Manage software module flows

Basic storage management

Mount and unmount file systems

Add persistent partitions, file systems, and mounts

Manage paging space (swap)

Control of services and the startup process

Identify automatically started system processes

Monitor system services

Select the boot target

Reset administrator password

Repair Boot File System Problems

Network management

Validate the network configuration

Configure networking from the command line

Edit network configuration files

Configure hostname and name resolution

Log analysis and storage

Describe the architecture of system logging

Browse SysLog Files

Browse entries in the system log

Keep system log

Maintain a reliable system clock

Advanced storage configuration

Create logical volumes

Extend logical volumes

Compress and deduplicate storage with VDO

Planning of future tasks

Start recurring system tasks

Manage temporary files

Network storage access

Mount NFS network storage

Self-assembly of NFS storage

Network security management

Configure system firewalls