Administering Red Hat Linux 7 - Part 3

Course Code: RHSA3V7

Duration: 5 days

 
 

Administering Red Hat Linux 7 - Part 3 Course Overview

This highly practical instructor led Administering Red Hat Linux 7 - Part 3 training course is designed to give the delegate practical experience in the areas of networking, security, basics of shell scripting and elementary installing of MariaDB. With a strong emphasis on practical hands-on training, this course will teach the essential network, security and shell scripting tasks required on a Red Hat Linux system.

Exercises and examples are used throughout the course to give practical hands-on experience with the techniques covered.

Course Objectives

This course aims to provide the delegate with the knowledge to be able to perform more advanced administration of networking facilities, securing the system and the use of scripting on a Red Hat Linux system.

Who will the Course Benefit?

The Administering Red Hat Linux 7 - Part 3 course is designed for System Administrators and Programmers and other technical IT staff who need to acquire knowledge of the key networking, security and scripting tasks required to administer a Linux system.

This course will teach many of the extra necessary skills required, over and above the Red Hat Certified System Administrator (RHCSA) exam requirements, to enable the delegate to work towards achieving the Red Hat Certified Engineer (RHCE) certification. Courses covering the topics required for RHCSA certification, which are also a requirement of RHCE certification, are covered on the Administering Red Hat Linux 7 - Part 1 & Administering Red Hat Linux 7 - Part 2 courses.

The course assumes administration knowledge of the Red Hat Linux operating system to the level covered in the Administering Red Hat Linux 7 - Part 1 & Part 2 courses.

Skills Gained

The delegate will learn and acquire skills as follows:

  • Review of Controlling Services and deamons
  • Introduction to IPV6
  • Configure Aggregated network links (teaming) and Bridging
  • Set up network routing using static routes
  • Configure a Secure Firewall Configuration
  • Configure a DNS server
  • Configure a basic email server
  • Configure iSCSI
  • Configure an NFS server and SMB shares
  • Configure the system to use Kerberos security
  • Create conditional shell scripts to automate tasks
  • Install, configure and backup a MariaDB database
  • Setup a Network Time Protocol Server
  • Understand encryption techniques
  • Configure SSH
  • Configure HTTP/HTTPS servers
  • Overview of Linux Containers and Docker

Administering Red Hat Linux 7 - Part 3 Training Course

Course Introduction

  • Administration and Course Materials
  • Course Structure and Agenda
  • Delegate and Trainer Introductions

Session 1: RECAP AND FURTHER DETAILS ON SYSTEMD

  • Recap of systemd
  • systemd Wants and Requires
  • Useful systemd related utilities
  • Exercise

Session 2: NETWORK MANAGEMENT AND IPV6

  • Routing under Linux
  • IPROUTE suite of programs
  • Configuring network cards and Routing
  • Configuring the system as a Gateway
  • IPV6 Addressing
  • Local Network Bridges
  • Network tools: tcpdump, netstat, wireshark,etc
  • Configure Ethernet Bonding (Link aggregation, teaming)
  • Exercise

Session 3: FILE SECURITY AND INTEGRITY

  • System Security
  • Extended Permissions
  • GPG
  • Why encrypt data and verify the sender
  • Key pairs and management
  • Using Digital signatures
  • Checking and repairing file systems
  • Exercise

Session 4: SECURING NETWORKS: FIREWALLS

  • Packet Filtering using firewalld
  • Rich Rules and their Operation
  • Source and Destination NAT Configuration
  • Masquerading
  • Exercise

Administering Red Hat Linux 7 - Part 3 Training Course

Session 5: DOMAIN NAME SERVER (DNS)

  • The DNS/BIND system under Red Hat Linux
  • Name Server Hierarchy
  • Setting up DNS
  • Master/Slave Zones
  • Reverse lookup Zones
  • Record types and their syntax
  • Name Daemon Control Utility (rndc)
  • Address Match Lists (acl)
  • Configuring a Caching Only Name Server
  • DNS in a chroot environment
  • Testing a DNS server
  • Exercise

Session 6: CENTRALISED AND SECURE STORAGE

  • What is ISCSI
  • Setting up ISCSI Target and Initiator
  • Accessing Centralised Storage
  • Accessing encrypted file systems
  • Exercise

Session 7: CONFIGURING NETWORK TIME PROTOCOL

  • Configuring Time Synchronisation
  • Stratum Levels
  • Choosing a time source
  • Choosing an NTP Service
  • Chrony Client Configuration
  • Chronyc command
  • Configuring a Chrony Server
  • Chrony Security
  • Exercise

Session 8: FURTHER SECURITY FEATURES

  • su and sudo configuration
  • Configuring Kerberos Server and Client
  • Exercise

Session 9: SHARING FILES ACROSS THE NETWORK (NFS & SMB)

  • Configure file sharing using NFS
  • NFS commands
  • Automounter
  • Introduction to CIFS(SAMBA)
  • Configure file sharing between hosts with CIFS
  • Using Konqueror to access shares
  • Exercise

Administering Red Hat Linux 7 - Part 3 Training Course

Session 10: BASIC MAIL SERVER CONFIGURATION

  • Email Components
  • Mail User, Mail Transport and Mail User Agents
  • Postfix Configuration
  • Configuring a null client using Postfix
  • Dovecot - POP and IMAP services
  • Exercise

Session 11: SSL, TSL AND WEB SERVICE CONFIGURATION

  • Data Security and Encryption
  • Public Key Encryption
  • Configuring Virtual Hosts : Name And IP Based Access
  • Displaying Apache Web Server Information and Status
  • Dynamic Virtual hosts
  • Configuring HTTPS
  • Signed Certificates
  • Apache SSL Configuration File
  • HTTPS Virtual Hosts
  • Exercise

Session 12: CONFIGURING A MARIADB DATABASE

  • Install and configure MariaDB
  • Backup and Restore a database
  • Create a simple database schema
  • Perform simple SQL queries on the database
  • Exercise

Session 13: SHELL SCRIPTING

  • What is a shell script?
  • Creating and executing shell scripts
  • User interaction
  • Command line arguments
  • Exercise

Administering Red Hat Linux 7 - Part 3 Training Course

Session 14: CONDITIONAL SHELL SCRIPTING

  • Decision constructs using the 'if' statement
  • Case statement
  • Looping constructs: for/while/until
  • Automating administrative tasks
  • Exercise

Session 15: OVERVIEW OF LINUX CONTAINERS

  • What is a Linux Container
  • What are the advantages of Containers
  • What is Docker
Notes:
  • Course technical content is subject to change without notice.
  • Course content is structured as sessions, this does not strictly map to course timings. Concepts, content and practicals often span sessions.

Examinations

This course together with the Administering Red Hat Linux 7 - Part 1 and Administering Red Hat Linux 7 - Part 2 courses will aid the delegate in their preparation for the following exams:

  • Red Hat Certified Systems Administrator (RHCSA): EX200
  • Red Hat Certified Engineer (RHCE): EX300

Attending these courses will help delegates gain many of the skills and product knowledge requirements as outlined in the exams objectives. Studying these courses and their associated reference materials can form part of the preparation to achieve certification. Experience, practice, self-study and aptitude are also key requirements for exams success.

Before taking any exam, ensure you have the recommended experience. The Red Hat website lists all exam requirements and these are updated regularly.

Exams are not included as part of the course.

Course Requirements

The delegate should be competent with common command line tools, the vi editor, managing logical volumes, using systemd, configuring SELinux and also be capable of creating client access to NFS and CIFS. Students should also be capable of configuring kickstart, basic networking, basic firewalls and scheduling jobs to run automatically.

The requirements for this course can be met by either of the pre-requisite courses listed.

Pre-Requisite Courses

Course Reviews

The course covers the necessary topics following on from parts one & two, to have enough knowledge to complete the RHCSA. The pace allows time to investigate the topics fully and I also found that I was able to relate to real life usage in the field.

Peter - System Administrator - Communications


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