LPI

SEC 335: Linux for System Administrators

(WU-SEC335.AE1)
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Skills You’ll Get

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1

Exploring Linux Command-Line Tools

  • Understanding Command-Line Basics
  • Editing Text Files
  • Processing Text Using Filters
  • Using Regular Expressions
  • Using Streams, Redirection, and Pipes
2

Managing Software, Processes and Configuring Hardware

  • Looking at Package Concepts
  • Using RPM
  • Using Debian Packages
  • Managing Shared Libraries
  • Managing Processes
  • Configuring the Firmware and Core Hardware
  • Storage Basics
  • Storage Alternatives
  • Partitioning Tools
  • Understanding Filesystems
  • Formatting Filesystems
  • Mounting Filesystems
  • Managing Filesystems
3

Managing Files, Booting, Initializing, and Virtualizing Linux

  • Using File Management Commands
  • Managing File Ownership
  • Controlling Access to Files
  • Locating Files
  • Understanding the Boot Process
  • Looking at Firmware
  • Looking at Boot Loaders
  • The Initialization Process
  • Using the systemd Initialization Process
  • Using the SysV Initialization Process
  • Stopping the System
  • Notifying the Users
  • Virtualizing Linux
4

Configuring the GUI, Localization, and Printing

  • Understanding the GUI
  • Understanding the X11 Architecture
  • Managing the GUI
  • Providing Accessibility
  • Using X11 for Remote Access
  • Using Remote Desktop Software
  • Understanding Localization
  • Setting Your Locale
  • Looking at Time
  • Configuring Printing
5

Administering the System

  • Managing Users and Groups
  • Managing Email
  • Using Log and Journal Files
  • Maintaining the System Time
6

Configuring Basic Networking

  • Networking Basics
  • Configuring Network Features
  • Basic Network Troubleshooting
  • Advanced Network Troubleshooting
7

Writing Scripts and Securing Your System

  • Shell Variables
  • The Basics of Shell Scripting
  • Advanced Shell Scripting
  • Writing Script Programs
  • Running Scripts in Background Mode
  • Running Scripts Without a Console
  • Sending Signals
  • Job Control
  • Running Like Clockwork
  • Administering Network Security
  • Administering Local Security
  • Exploring Cryptography Concepts
  • Looking at SSH
  • Using GPG

1

Exploring Linux Command-Line Tools

  • Using the type Command
  • Displaying the Current Shell on the Ubuntu Distribution
  • Using Filters
  • Using the paste Command
  • Employing the sort Command
  • Using Regular Expressions
  • Using the cat Command to Concatenate Files
  • Using the sed Command to Modify a File's Text
2

Managing Software, Processes and Configuring Hardware

  • Investigating RPM App Package Issues
  • Using the zypper search Command
  • Displaying Process Information
  • Sending a Job to the Background
  • Exploring Kernel Modules
  • Making an Inventory of System Devices
  • Creating a Logical Volume
  • Identifying System Hardware
  • Viewing Disk Usage
3

Managing Files, Booting, Initializing, and Virtualizing Linux

  • Renaming a Directory Using the mv Command
  • Understanding Compression and Decompression of Files
  • Changing the Permissions of a File
  • Finding System Files and Placing Files in the Correct Location
  • Creating a RAM Disk
  • Employing the service Command
4

Configuring the GUI, Localization, and Printing

  • Checking a Display Server
  • Viewing the System Locale
5

Administering the System

  • Reviewing Account Settings
  • Using usermod to Lock an Account
  • Creating a New Group and Adding an Account to a Group
  • Managing Users and Groups
  • Maintaining the System Time
  • Using the timedatectl Command to Set the System Time
6

Configuring Basic Networking

  • Understanding Network Configuration on CentOS
  • Finding the Network Information
  • Finding Applications that are Providing TCP Network Services
7

Writing Scripts and Securing Your System

  • Redirecting the Output of a Command
  • Running Scripts in Background Mode, in Foreground Mode, and Without a Console
  • Writing a Bash Script to View the Password Information for System Users
  • Finding the System's Initialization Method
  • Managing Services with systemctl

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