Red Hat Certified System Administrator (RHCSA)

Lesson 9: Managing Processes

• Understanding Jobs and Processes
• Managing Shell Jobs
• Getting Process Information with ps
• Understanding Memory Usage
• Understanding CPU Load
• Monitoring System Activity with top
• Sending Signals to Processes
• Managing Priorities and Niceness
• Using Tuned Profiles
• Managing Processes (Lab)
• Managing Processes (Lab Solution)

Lesson 10: Managing Software

• Understanding RPM Packages
• Setting up Repository Access
• Understanding Modules and Application Streams
• Managing Packages with yum
• Managing Modules and Application Streams
• Using yum Groups
• Managing yum updates and yum history
• Using RPM Queries
• Using Red Hat Subscription Manager
• Managing Software (Lab)
• Managing Software (Lab Solution)

Lesson 11: Working with Systemd

• Understanding Systemd Units
• Managing Systemd Services
• Modifying Systemd Service Configuration
• Working with Systemd (Lab)
• Working with Systemd (Lab Solution)

Lesson 12: Scheduling Tasks

• Understanding cron and at
• Understanding cron Scheduling Options
• Understanding anacron
• Scheduling with cron
• Scheduling Tasks with Systemd Timers
• Using at
• Managing Temporary Files
• Using at (Lab)
• Using at (Lab Solution)

Lesson 13: Configuring Logging

• Understanding RHEL 8 Logging Options
• Configuring Rsyslog Logging
• Working with systemd-journald
• Preserving the Systemd Journal
• Configuring Logrotate
• Configuring Logging (Lab)
• Configuring Logging (Lab Solution)

Lesson 14: Managing Storage

• Understanding Disk Layout
• Understanding Linux Storage Options
• Understanding GPT and MBR Partitions
• Creating Partitions with parted
• Creating MBR Partitions with fdisk
• Understanding File System Differences
• Making and Mounting File Systems
• Mounting Partitions through /etc/fstab
• Managing Persistent Naming Attributes
• Managing Systemd Mounts
• Managing XFS File Systems
• Creating a Swap Partition
• Managing Storage (Lab)
• Managing Storage (Lab Solution)

Lesson 15: Managing Advanced Storage

• Understanding LVM, Stratis, and VDO
• Understanding LVM Setup
• Creating an LVM Logical Volume
• Understanding Device Mapper and LVM Device Names
• Resizing LVM Logical Volumes

Lesson 1: Installing Red Hat Enterprise Linux Server

• Understanding Server Requirements
• Performing a Basic Installation
• Installing with Custom Partitioning
• Logging into the Server
• Deploying RHEL in Cloud
• Installing Red Hat Enterprise Linux (Lab)
• Installing Red Hat Enterprise Linux (Lab Solution)

Lesson 2: Using Essential Tools

• Getting Started with Linux Commands
• Working with the Bash Shell
• Understanding I/O Redirection and Piping
• Using I/O Redirection and Piping
• Understanding the Linux File System Hierarchy
• Using man
• Finding the right man page
• Understanding vim
• Using vim
• Using Globbing and Wildcards

Lesson 3: Essential File Management Tools

• Essential File Management Tasks
• Finding Files
• Understanding Mounts
• Understanding Links
• Working with Links
• Working with tar
• Working with Compressed Files
• Essential File Management Tools (Lab)
• Essential File Management Tools (Lab Solution)

Lesson 4: Working with Text Files

• Using Common Text Tools
• Using grep
• Understanding Regular Expressions
• Using awk
• Using sed
• Working with Text Files (Lab)
• Working with Text Files (Lab Solution)

Lesson 5: Connecting to a RHEL Server

• Understanding the Root User
• Logging in to the GUI
• Logging in to the Console
• Understanding Virtual Terminals
• Switching Between Virtual Terminals
• Using su to Work as Another User
• Using sudo to Perform Administrator Tasks
• Using ssh to Log in Remotely
• Connecting to a RHEL Server (Lab)
• Connecting to a RHEL Server (Lab Solution)

Lesson 6: Managing Users and Groups

• Understanding the Need for User Accounts
• Understanding User Properties
• Creating and Managing Users
• Managing User Default Settings
• Understanding /etc/passwd and /etc/shadow
• Understanding Group Membership
• Creating and Managing Groups
• Managing Password Properties
• Managing Users and Groups (Lab)
• Managing User and Groups (Lab Solution)

Lesson 7: Managing Permissions

• Understanding Ownership
• Changing File Ownership
• Understanding Basic Permissions
• Managing Basic Permissions
• Understanding umask
• Understanding Special Permissions
• Managing Special Permissions
• Understanding ACLs
• Managing ACLs
• Troubleshooting Permissions
• Managing Permissions (Lab)
• Managing Permissions (Lab Solution)

Lesson 8: Configuring Networking

• Understanding IPv4 Networking
• Understanding NIC Naming
• Managing Runtime Configuration with ip
• Understanding RHEL 8 Networking
• Managing Persistent Networking with nmcli
• Managing Persistent Networking with nmtui
• Verifying Network Configuration Files
• Testing Network Connections
• Configuring Networking (Lab)
• Configuring Networking (Lab Solution)