training

 

RHCE Rapid Track – System Administration III – 4 Days

Course Description

This course will teach the commands and methods needed to setup and manage advanced networking, security, and performance. This course will teach the commands and methods needed to setup and manage advanced networking, security, and performance management on a RHEL 7 system.  The course will also use a problem solving approach in the lab exercises to teach system administrators advanced topics, for long-term management of the system.  This course is the equivalent to Red Hat course 299, is used for preparation for the RHCE certification examination. Systems:  Red Hat Enterprise Linux Version 7 (all update levels).

Course Objectives

On completion of this course, a systems administrator should be able to install, update, and boot the RHEL 6 operating system; setup a RHEL 7 system to act as a: DNS server (and client), VSFTPD server, Apache web server, email server, SAMBA host. Topics covering basic encryption, performance management tools, and usage of PAM will also be covered.

Prerequisites

This course is a concentrated preparation for the RHCE examination.

Participants are assumed to be (Red Hat Enterprise) Linux system administrators working on production level configurations, and have used and demonstrated competencies in Linux fundamentals and entry-level administrative functions.

Outline

                             Controlling Services and Daemons

RHEL 7 startup configuration

systemd target files

systemd services and actions

systemd journal logging

RHEL 7 system initialization sequence

GRUB loader

kernel maintained information (/proc based files)

modifying RHEL 7 kernel parameters

supplied performance monitoring tools

creating system utilization reports

Kerberos client setup

maintaining system time via an NTP and chrony server

 

          Managing IPv6 Networking

network configuration

host configuration

gateway configuration

network configuration

host configuration

gateway configuration

IPv6 networking addressing

IPv6 network configuration

IPv6 gateway configuration

 

Configuring Link Aggregation and Bridging

                                      channel bonded interfaces

network teaming interfaces

 

                             Network Port Security

service specific access control

network ports

firewalld components

firewalld control

ssh key based authentication

ssh port forwarding

SELinux port labeling

SELinux booleans

SELinux context labels

 

                             Managing DNS for Servers

setting up a BIND primary name server

setting up a caching-only BIND name server

controlling the named daemon

                                     

                             Configuring Email Transmissions

mail components

postfix components

postfix null-client configuration

 

                             Providing File-based Storage

Network File System concepts

Network File System configuration

setting up the Network File System

starting up the Network File System

using the Network File System

Network File System with Kerberos authentication

Samba/CIFS configuration

Samba/CIFS usage

 

                             Web Server Additional Configuration

Apache Web Server operation

Apache Web Server standard configuration

Apache Web Server standard configuration

Apache Web Server CGI

Apache Web Server user public directories

Apache Web Server virtual hosts

Apache Web Server protected directories

TLS-enabled Apache Web Server

 

                             Configuring MariaDB Databases

MariaDB requirements

MariaDB installation

MariaDB usage

MariaDB backup (and restore)

 

                             Configuring the Shell Environment

comparison of shell environments

environment files

environment settings

environment variables

 

                     Writing Bash Scripts

shell variants

shell versions

comparison of shell scripting features

shell script development

debugging a shell script

user defined variables

obtaining a variable value from standard input

command substitution

command line arguments

 

                             Bash Conditionals and Control Structures

if construct

numeric variables

while and until loops

variable access within loops

formatted output

here documents

case construct

administrative menus

advanced shell features

for loops

associative arrays

options processing

 

                             Controlling Linux Containers with Docker

introduction to Linux containers

Docker

                              Comprehensive review – practice test

MindIQ.com

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