Red Hat Enterprise Linux Systems Admin I - RH124

Course Details

• ACCESS THE COMMAND LINE
• Components of a Distribution
• Red Hat Linux Products
• Loggin In
• Running Programs
• Interacting with Command Line
• Desktop Environments
• GNOME
• got root?
• Switching User Contexts
• sudo
• Lab Tasks: Login & 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
• LAB TASKS: 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
• LAB TASKS
• 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
• LAB TASKS
• 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
• LAB TASKS
• 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
• LAB TASKS
• 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
• LAB TASKS
• 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
• LAB TASKS
• Managing Services With Systemd's systemctl
• CONFIGURE AND SECURE OPENSSH SERVICE
• Secure Shell
• ssh and sshd Configuration
• Accessing Remote Shells
• Transferring Files
• Alternative sftp Clients
• SSH Key Management
• ssh-agent
• LAB TASKS
• Introduction to ssh and scp
• SSH Key-based User Authentication
• Using ssh-agent
• ANALYZING AND STORING LOGS
• System Logging
• systemd Journal
• systemd Journal's journactl
• Secure Logging with Journal's Log Sealing
• gnome-system-log
• Syslog-ng
• Rsyslog
• /etc/rsyslog.conf
• Log Management
• Log Anomaly Detector
• LAB TASKS: Using the systemd Journal
• Setting up a Full Debug Logfile, Remote Syslog Configuration
• MANAGE RED HAT ENTERPRISE LINUX NETWORKING
• IPv4 Fundamentals
• TCP/UDP Fundamentals
• 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
• LAB TASKS
• 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
• LAB TASKS
• 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
• LAB TASKS
• 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)
• LAB TASKS
• 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
• LAB TASKS Installing a Virtual Machine
• COMPREHENSIVE REVIEW
• System Administration I
• LAB TASKS
• Understand And Use Essential Tools
• Operate Running Systems
• Users, Groups, and File Permissions