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GL124

Linux Systems Administration I Training

This Linux Admin I course is designed to follow an identical set of topics as the official Red Hat® RH124 course with the added benefit of comprehensive lab exercises and detailed lecture material.

The Red Hat Enterprise Linux (RHEL) system administration topics covered in this course cover the certification objects of the Red Hat Certified System Administrator (RHCSA) exam.

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This Linux training covers essential command-line tools, installing RHEL, remote administration techniques, managing local storage, system monitoring, basic user and security, administration, connecting to a network, and deploying FTP and Web servers.

Course Details

Duration

5 days

Prerequisites

Students must be proficient in general computing skills but not necessarily experienced with Linux or Unix.

Objectives

  • Navigate the command line, interact with programs, and manage files efficiently
  • Create, modify, and manage user accounts and groups for secure access control
  • Explore the Linux file system structure, manipulate files and directories, and leverage text processing tools
  • Monitor and manage running processes, control services, and fine-tune system performance
  • Understand basic networking concepts, configure network interfaces, and troubleshoot connectivity issues
  • Install, update, and remove software packages using RPM and Yum
  • Gain an introduction to managing virtual machines with libvirt

Red Hat® is a registered trademark of Red Hat, Inc. and its use by Web Age Solutions does not imply association or sponsorship by Red Hat, Inc.
Course Outline
  • Access the Command Line
    • Components of a Distribution
    • Red Hat Linux Products
    • Logging In
    • Running Programs
    • Interacting with Command Line
    • Desktop Environments
    • GNOME
    • got root?
    • Switching User Contexts
    • sudo
    • Login and Discovery
    • Switching Users With su
  • Manage Files from The Command Line
    • Managing Files Graphically
    • Drag and drop with Nautilus
    • Physical Unix File Structure
    • Unix/Linux Filesystem Features
    • Navigating the Filesystem
    • Displaying Directory Contents
    • Directory Manipulation
    • File Manipulation
    • Deleting and Creating Files
    • Filesystem Links
    • Navigating Directories and Listing Files
    • Manipulating Files and Directories
  • Get Help in a Textual Environment
    • Gathering Login Session Info
    • Red Hat Online Documentation
    • Getting Help Within the Graphical Desktop
    • Gathering System Info
    • Help from Commands and Documentation
    • Getting Help with man & info
    • $MANPATH, whatis and apropos
    • Help with Commands
  • Create, View, and Edit Text Files
    • The gedit Text Editor
    • Pico/GNU Nano
    • Pico/Nano Interface
    • Nano configuration
    • Pico/Nano Shortcuts
    • Communication Channels
    • File Redirection
    • Piping Commands Together
    • The Streaming Editor
    • Text Processing with Awk
    • Producing File Statistics
    • Replacing Text Characters
    • Text Sorting
    • Duplicate Removal Utility
    • Extracting Columns of Text
    • Combining Files and Merging Text
    • Comparing File Changes
    • Text Editing with Nano
    • Text Processing
  • Manage Local Linux Users and Groups
    • User and Group Concepts
    • User Administration
    • Modifying Accounts
    • Group Administration
    • User Private Group Scheme
    • Password Aging
    • User and Group Administration
    • User Private Groups
  • Control Access to Files with Linux File System Permissions
    • File Ownership
    • File and Directory Permissions
    • SUID and SGID on files
    • SGID and Sticky Bit on Directories
    • Changing File Permissions
    • File and Directory Ownership and Permissions
  • Monitor and Manage Linux Processes
    • What is a Process?
    • Process States
    • Viewing Processes
    • System Status - CPU
    • System Status - Memory
    • Signals
    • Tools to Send Signals
    • Managing Processes
    • Tuning Process Scheduling
    • Job Control Overview
    • Job Control Commands
    • Job Control Basics
    • Process Management Basics
  • Control Services and Daemons
    • init
    • Linux Runlevels Aliases
    • systemd System and Service Manager
    • systemd Targets
    • Using systemd
    • Legacy Support for SysV init
    • Managing Services With Systemd's systemctl
    • Creating a systemd unit file
  • Configure and Secure OpenSSH Service
    • Secure Shell
    • OpenSSH Client & Server Configuration
    • Accessing Remote Shells
    • Transferring Files
    • Alternative sftp Clients
    • SSH Key Management
    • ssh-agent
    • Introduction to ssh and scp
    • SSH Key-based User Authentication
    • Using ssh-agent
  • Analyzing and Storing Logs
    • System Logging
    • systemd Journal
    • systemd Journal's journalctl
    • Secure Logging with Journal's Log Sealing
    • Cockpit - Logs
    • Syslog-ng
    • Rsyslog
    • /etc/rsyslog.conf
    • Log Management
    • Log Anomaly Detector
    • Hardware and System Clock
    • Time Synchronization with Chronyd
    • Using the systemd Journal
    • Setting up a Full Debug Logfile
    • Remote Syslog Configuration
  • Manage Red Hat Enterprise Linux Networking
    • IPv4 Fundamentals
    • TCP/UDP Fundamentals
    • IPv6
    • Linux Network Interfaces
    • Ethernet Hardware Tools
    • Network Configuration with ip Command
    • Starting and Stopping Interfaces
    • Configuring Routing Tables
    • IP to MAC Address Mapping with ARP
    • DNS Clients
    • DHCP Clients
    • Continual Time Sync with NTP
    • Network Diagnostics
    • NetworkManager
    • Network Discovery
    • Basic Client Networking
    • Introduction to Troubleshooting Labs
    • Troubleshooting Practice: Networking
  • Archive and Copy Files Between Systems
    • Archives with tar
    • Archives with cpio
    • The gzip Compression Utility
    • The bzip2 Compression Utility
    • The XZ Compression Utility
    • The PKZIP Archiving/Compression format
    • Archiving and Compression
    • Using rsync and ssh for Backups
  • Install and Update Software Packages
    • Managing Software
    • RPM Features
    • RPM Architecture
    • RPM Package Files
    • Working With RPMs
    • Querying and Verifying with RPM
    • Managing Software Dependencies
    • Using the Yum command
    • Yum package groups
    • Updating the Kernel RPM
    • Dealing With RPM & Yum Digest Changes
    • Yum Repositories
    • Yum Repository Groups
    • Yum Plugins & RHN Subscription Manager
    • Yum Version Lock Plugin
    • Managing Software with RPM
    • Querying the RPM Database
    • Using Yum
  • Access Linux File Systems
    • Filesystem Creation
    • Mounting Filesystems
    • Mounting Filesystems
    • Filesystem Maintenance
    • Managing an XFS Filesystem
    • Persistent Block Devices
    • Filesystem Structures
    • Determining Disk Usage With df and du
    • Filesystem Table (/etc/fstab)
    • Creating and Managing Filesystems
  • Manage Virtual Machines
    • Introducing libvirt
    • libvirt: Basic Concepts
    • libvirt: Storage Architecture
    • libvirt: Network Architecture
    • libvirt: Graphical Tools
    • libvirt: Command Line Tools
    • virsh: Basics
    • virsh: Common Tasks
    • virt-install
    • Virtual Machine Guest Tools & Drivers
    • libguestfs and guestfish
    • Installing a Virtual Machine
  • Comprehensive Review
    • System Administration I
    • Understand And Use Essential Tools
    • Operate Running Systems
    • Users, Groups, and File Permissions