Red Hat™ Certified Systems Administrator Exam Prep

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Course Description

Students seeking training to prepare themselves for the RHCSA certification should attend this course. This Red Hat™ Certified Systems Administrator Exam Prep training course is taught in a rapid pace format designed to help quickly identify and fill gaps in system administration knowledge. Focus includes managing users and groups, software, printers, and local storage. It also includes an introduction to security, virtualization, and the deployment of common network services.

 

Red Hat® is a registered trademark of Red Hat, Inc. and its use by GuruTeam Ltd., Ireland does not imply association or sponsorship by Red Hat, Inc.

 

Supported Distributions:

Red Hat Enterprise Linux 7

Course Outline

1. Accessing the command line

1.     Components of a Distribution
2.     Red Hat Linux Products
3.     Logging In
4.     Running Programs
5.     Interacting with Command Line
6.     Desktop Environments
7.     GNOME
8.     got root?
9.     Switching User Contexts
10.     sudo

Lab Tasks

1.     Login and Discovery
2.     Switching Users With su

2. Managing files from the command line

1.     Managing Files Graphically
2.     Drag and drop with Nautilus
3.     Physical Unix File Structure
4.     Unix/Linux Filesystem Features
5.     Navigating the Filesystem
6.     Displaying Directory Contents
7.     Directory Manipulation
8.     File Manipulation
9.     Deleting and Creating Files
10.     Filesystem Links

Lab Tasks

1.     Navigating Directories and Listing Files
2.     Manipulating Files and Directories

3. Configure and secure OpenSSH service

1.     Secure Shell
2.     ssh and sshd Configuration
3.     Accessing Remote Shells
4.     Transferring Files
5.     Alternative sftp Clients
6.     SSH Key Management

Lab Tasks

1.     Introduction to ssh and scp

4. Managing local Linux users and groups

1.     User and Group Concepts
2.     User Administration
3.     Modifying Accounts
4.     Password Aging
5.     Group Administration
6.     RHEL DS Client Configuration
7.     System Security Services Daemon (SSSD)

Lab Tasks

1.     User and Group Administration
2.     Using LDAP for Centralized User Accounts

5. Controlling access to files with Linux file system permissions

1.     File Ownership
2.     File and Directory Permissions
3.     SUID and SGID on files
4.     SGID and Sticky Bit on Directories
5.     Changing File Permissions

Lab Tasks

1.     File and Directory Ownership and Permissions

6. Control access to files with FACLs

1.     User Private Group Scheme
2.     Alternatives to UPG
3.     File Access Control Lists
4.     Manipulating FACLs
5.     Viewing FACLs
6.     Backing Up FACLs

Lab Tasks

1.     User Private Groups
2.     Using Filesystem ACLs

7. Manage SELinux security

1.     SELinux Security Framework
2.     SELinux Modes
3.     SELinux Commands
4.     Choosing an SELinux Policy
5.     SELinux Booleans
6.     Permissive Domains
7.     SELinux Policy Tools
8.     SELinux Troubleshooting
9.     SELinux Troubleshooting Continued

Lab Tasks

1.     Exploring SELinux Modes
2.     SELinux File Contexts

8. Monitor and manage Linux processes

1.     What is a Process?
2.     Process States
3.     Viewing Processes
4.     Managing Processes
5.     Tuning Process Scheduling
6.     System Status CPU
7.     System Status I/O
8.     System Status Memory

Lab Tasks

1.     Process Management Basics

9. Installing and updating software packages

1.     Managing Software
2.     RPM Features
3.     RPM Architecture
4.     RPM Package Files
5.     Working With RPMs
6.     Querying and Verifying with RPM
7.     Managing Software Dependencies
8.     Using the Yum command
9.     YUM package groups
10.     Updating the Kernel RPM
11.     Dealing With RPM & Yum Digest Changes
12.     YUM Repositories
13.     YUM Repository Groups
14.     Yum Plugins & RHN Subscription Manager

Lab Tasks

1.     Managing Software with RPM
2.     Querying the RPM Database
3.     Using Yum

10. Controlling services and daemons

1.     systemd System and Service Manager
2.     systemd Targets
3.     Using systemd
4.     Legacy Support for SysV init
5.     Booting Linux on PCs
6.     GRUB 2
7.     GRUB 2 Configuration
8.     GRUB 2 Security
9.     Boot Parameters
10.     Initial RAM Filesystem
11.     init
12.     Linux Runlevels Aliases
13.     Systemd local-fs.target and sysinit.target
14.     Systemd basic.target and multi-user.target
15.     Legacy local bootup script support
16.     System Configuration Files
17.     RHEL7 Configuration Utilities
18.     Shutdown and Reboot

Lab Tasks

1.     Boot Process
2.     GRUB Command Line
3.     Basic GRUB Security
4.     Managing Services With Systemd’s systemctl
5.     Creating a systemd unit file
6.     Troubleshooting Practice: Boot Process

11. Managing Red Hat Enterprise Linux networking

1.     IPv4 Fundamentals
2.     TCP/UDP Fundamentals
3.     Linux Network Interfaces
4.     Ethernet Hardware Tools
5.     Network Configuration with ip Command
6.     Starting and Stopping Interfaces
7.     Configuring Routing Tables
8.     IP to MAC Address Mapping with ARP
9.     DNS Clients
10.     DHCP Clients
11.     Network Diagnostics
12.     NetworkManager

Lab Tasks

1.     Network Discovery
2.     Basic Client Networking
3.     Introduction to Troubleshooting Labs
4.     Troubleshooting Practice: Networking

12. Analyzing and Storing Logs

1.     System Logging
2.     systemd Journal
3.     systemd Journal’s journactl
4.     Secure Logging with Journal’s Log Sealing
5.     gnome-system-log
6.     Rsyslog
7.     /etc/rsyslog.conf
8.     Log Management
9.     Log Anomaly Detector

Lab Tasks

1.     Using the systemd Journal
2.     Setting up a Full Debug Logfile
3.     Remote Syslog Configuration
4.     Remote Rsyslog TLS Configuration

13. Managing storage and file systems

1.     Partitioning Disks with fdisk & gdisk
2.     Resizing a GPT Partition with gdisk
3.     Partitioning Disks with parted
4.     Mounting Filesystems
5.     Mounting Filesystems
6.     Persistent Block Devices
7.     Managing an XFS Filesystem
8.     Filesystem Table (/etc/fstab)
9.     Filesystem Creation
10.     Filesystem Maintenance
11.     Swap
12.     Logical Volume Management
13.     Implementing LVM
14.     Creating Logical Volumes
15.     Activating LVM VGs
16.     Exporting and Importing a VG
17.     Examining LVM Components
18.     Changing LVM Components
19.     Advanced LVM Overview
20.     Advanced LVM: Components & Object Tags
21.     Advanced LVM: Automated Storage Tiering
22.     Advanced LVM: Thin Provisioning
23.     Advanced LVM: Striping & Mirroring
24.     Advanced LVM: RAID Volumes
25.     gnome-disk-utility

Lab Tasks

1.     Creating and Managing Filesystems
2.     Hot Adding Swap
3.     Creating and Managing LVM Volumes

14. Scheduling system tasks

1.     Automating Tasks
2.     at/batch
3.     cron
4.     The crontab Command
5.     crontab Format
6.     /etc/cron.*/ Directories
7.     Anacron

Lab Tasks

1.     Creating and Managing User Cron Jobs
2.     Adding System cron Jobs

15. Mounting network file systems

1.     File Sharing via NFS
2.     NFSv4+
3.     NFS Clients
4.     NFS
5.     NFS Server Configuration
6.     Accessing Windows/Samba Shares from Linux
7.     AutoFS
8.     AutoFS Configuration

Lab Tasks

1.     Using autofs
2.     NFS Server Configuration

16. Limiting network communication with firewalld

1.     Netfilter: Stateful Packet Filter Firewall
2.     Netfilter Concepts
3.     Using the iptables Command
4.     Netfilter Rule Syntax
5.     Targets
6.     Common match_specs
7.     Connection Tracking
8.     FirewallD

Lab Tasks

1.     Securing Services with Netfilter
2.     FirewallD

17. Virtualization and Kickstart

1.     Introducing libvirt
2.     libvirt: Basic Concepts
3.     libvirt: Storage Architecture
4.     libvirt: Network Architecture
5.     libvirt: Graphical Tools
6.     libvirt: Command Line Tools
7.     virsh: Basics
8.     virsh: Common Tasks
9.     virt-install
10.     Virtual Machine Guest Tools & Drivers
11.     libguestfs and guestfish
12.     Kickstart
13.     Anaconda: An Overview
14.     Anaconda: Booting the System
15.     Anaconda: Common Boot Options
16.     Anaconda: Loading Anaconda and Packages
17.     Anaconda: Storage Options
18.     Anaconda: Troubleshooting

Lab Tasks

1.     Installing a Virtual Machine

A. Understand and Use Essential Tools

1.     Use of Appendix
2.     Red Hat Online Documentation
3.     Getting Help Within the Graphical Desktop
4.     Gathering System Info
5.     Help from Commands and Documentation
6.     Getting Help with man & info
7.     Communication Channels
8.     File Redirection
9.     Piping Commands Together
10.     The gedit Text Editor
11.     Archives with tar
12.     Archives with cpio
13.     The gzip Compression Utility
14.     The bzip2 Compression Utility
15.     The XZ Compression Utility
16.     The PKZIP Archiving/Compression format
17.     Searching Inside Files
18.     The Streaming Editor
19.     Regular Expression Overview
20.     Regular Expressions
21.     RE Character Classes
22.     Regex Quantifiers
23.     RE Parenthesis
24.     Text Editing
25.     Learning Vim
26.     Basic vi
27.     Intermediate vi

Lab Tasks

1.     Help with Commands
2.     Archiving and Compression
3.     Pattern Matching with Regular Expressions
4.     Extended Regular Expressions
5.     Using Regular Expressions With sed
6.     Text Editing with Vim

B. Create, view, and edit text files

1.     Producing File Statistics
2.     Replacing Text Characters
3.     Text Sorting
4.     Duplicate Removal Utility
5.     Extracting Columns of Text
6.     Combining Files and Merging Text
7.     Comparing File Changes

C. Comprehensive Review Lab Lab Tasks

1.     Understand And Use Essential Tools
2.     Operate Running Systems
3.     Configure Local Storage and Filesystems
4.     Users, Groups, and File Permissions
5.     Maintenance and Recovery

Learning Path

There are a number of options of suitable follow-on courses, depending on your business needs. Please contact us for further details.

•     GTU299 – RHCE Rapid Track Course

Ways to Attend

• Attend a public course, if there is one available. Please check our schedule, or register your interest in joining a course in your area.
• Private onsite Team training also available, please contact us to discuss. We can customise this course to suit your business requirements.