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AIUS-XK0-004.AB1
CompTIA Linux+ (XK0-004)
Intermediate Self-paced · 1 year access
48 Hands-On LiveLabs
Practice real IT tasks in guided environments.
- Real environments
- Auto-graded
- No installation
01 / Lessons & labs
See exactly what you will learn and practice
Lessons
30 Interactive Lessons · 171 topics01 Introduction 6 topics +
- Goals and Methods
- The Linux+ Domains and Objectives
- How This Course Maps to the Exam Objectives
- What’s New?
- Who Should Read This Course?
- Strategies for Exam Preparation
02 Installing Linux 2 topics · 1 LiveLab +
- Hardware and Linux Installation
- Summary
1 LiveLab in this lesson — see the labs panel →
03 Package Installation and Management 6 topics · 2 LiveLab +
- Software in a Linux System
- Installing Software from Source
- Packages and Package Managers
- RPM and YUM Package Management
- Summary
- Review All Key Topics
2 LiveLab in this lesson — see the labs panel →
04 Virtualization 8 topics · 3 LiveLab +
- What Is Virtualization?
- Types of Virtualization/Hypervisors
- Bootstrapping VMs
- Template Formats
- Virtualization Storage
- Networking Considerations
- Summary
- Review All Key Topics
3 LiveLab in this lesson — see the labs panel →
05 The Boot Process 5 topics · 2 LiveLab +
- The Linux Boot Process
- Boot Loaders and Files
- When Kernels Panic
- Summary
- Review All Key Topics
2 LiveLab in this lesson — see the labs panel →
06 Managing System Services 4 topics · 2 LiveLab +
- systemd
- Down Memory Lane with SysVinit
- Summary
- Review All Key Topics
2 LiveLab in this lesson — see the labs panel →
07 System Performance 7 topics · 4 LiveLab +
- Managing Processes
- Sending Signals to Processes
- Job Control
- Managing Process Priorities
- Leaving Programs Running After Logout
- Summary
- Review All Key Topics
4 LiveLab in this lesson — see the labs panel →
08 File Manipulation 4 topics · 3 LiveLab +
- File and Directory Operations
- Working with Input/Output Streams
- Summary
- Review All Key Topics
3 LiveLab in this lesson — see the labs panel →
09 File Processing 6 topics · 3 LiveLab +
- Reading File Contents
- Filters
- A Tour of the vim Editor
- nano, nano
- Summary
- Review All Key Topics
3 LiveLab in this lesson — see the labs panel →
10 File Permissions and Escalation 12 topics · 4 LiveLab +
- Working with Permissions
- Manipulating Permissions
- Special File Permissions
- Finding Files by Permission
- Access Control Lists
- Understanding Permission Problems
- Default Permissions
- Changing User Ownership
- Changing Group Ownership
- User Privilege Escalation
- Summary
- Review All Key Topics
4 LiveLab in this lesson — see the labs panel →
11 SELinux and AppArmor 5 topics · 1 LiveLab +
- SELinux Configurations
- SELinux Contexts
- AppArmor
- Summary
- Review All Key Topics
1 LiveLab in this lesson — see the labs panel →
12 File Compression and Storage 7 topics · 1 LiveLab +
- Archive and Restore Utilities
- Compression Tools
- Backing Up Is Hard to Do
- Off-Site/Off-System Storage
- Integrity Checks
- Summary
- Review All Key Topics
1 LiveLab in this lesson — see the labs panel →
13 User and Group Management 9 topics · 3 LiveLab +
- User Account Fundamentals
- Group Accounts
- Adding Users and Groups
- Modifying Users and Groups
- Removing Users and Groups
- The Shadow Suite
- Changing Passwords
- Summary
- Review All Key Topics
3 LiveLab in this lesson — see the labs panel →
14 Account Security 8 topics · 1 LiveLab +
- Pluggable Authentication Modules (PAMs)
- Secure Shell
- Terminals PTY/TTY
- Public Key Infrastructure
- Using TCP Wrappers for Securing Services
- Virtual Private Network (VPN) Clients
- Summary
- Review All Key Topics
1 LiveLab in this lesson — see the labs panel →
15 Logging Services 3 topics · 1 LiveLab +
- System Logging
- Summary
- Review All Key Topics
1 LiveLab in this lesson — see the labs panel →
16 Linux Devices 7 topics · 1 LiveLab +
- Understanding Linux Hardware
- Managing Printers and Printing
- Linux Graphical User Interfaces
- Accessibility Options
- Remote Desktop
- Summary
- Review All Key Topics
1 LiveLab in this lesson — see the labs panel →
17 Hardware Troubleshooting 6 topics · 2 LiveLab +
- Storage Monitoring and Configuration
- CPU Monitoring and Configuration
- Memory Monitoring and Configuration
- Troubleshooting Additional Hardware Issues
- Summary
- Review All Key Topics
2 LiveLab in this lesson — see the labs panel →
18 Kernel Modules 5 topics · 1 LiveLab +
- Understanding Kernel Modules
- Managing Kernel Modules
- The modprobe Command
- Summary
- Review All Key Topics
1 LiveLab in this lesson — see the labs panel →
19 Storage Concepts 6 topics · 1 LiveLab +
- Basic Partitions
- Filesystem Hierarchy
- Device Mapper
- Filesystem Types
- Summary
- Review All Key Topics
1 LiveLab in this lesson — see the labs panel →
20 Storage Configuration 9 topics · 1 LiveLab +
- Disk Partitioning Tools
- Managing LVM
- Managing Software RAID
- Creating Filesystems
- Advanced Filesystem Commands
- Mounting and Unmounting
- Space Utilization
- Summary
- Review All Key Topics
1 LiveLab in this lesson — see the labs panel →
21 Network Configuration 6 topics · 1 LiveLab +
- Conceptual Overview of Networking
- Managing Interfaces
- Network Configuration Utilities
- Bonding
- Summary
- Review All Key Topics
1 LiveLab in this lesson — see the labs panel →
22 Network Troubleshooting 4 topics · 2 LiveLab +
- Key Network Troubleshooting Concepts
- Network Troubleshooting Tools
- Summary
- Review All Key Topics
2 LiveLab in this lesson — see the labs panel →
23 Linux Firewalls 4 topics · 1 LiveLab +
- The iptables Command
- Additional Firewall Technologies
- Summary
- Review All Key Topics
1 LiveLab in this lesson — see the labs panel →
24 Orchestration 3 topics +
- Automation and Orchestration
- Summary
- Review All Key Topics
25 Automate Tasks 6 topics · 1 LiveLab +
- Job Control
- Leaving Programs Running After Logout
- The cron System
- Running ad hoc Jobs
- Summary
- Review All Key Topics
1 LiveLab in this lesson — see the labs panel →
26 Manage Localization 4 topics · 2 LiveLab +
- Time Zones
- Character Encoding
- Representing Locales
- Review All Key Topics
2 LiveLab in this lesson — see the labs panel →
27 BASH Scripting Essentials 3 topics · 3 LiveLab +
- Basics of Scripting
- Shell Script Commands
- Review All Key Topics
3 LiveLab in this lesson — see the labs panel →
28 Git 6 topics · 1 LiveLab +
- Version Control Concepts
- Git Concepts and Features
- Handling Branches
- Executing Diffs
- Merging Files
- Review All Key Topics
1 LiveLab in this lesson — see the labs panel →
29 Server Roles 4 topics +
- Server Types
- Server Features
- Summary
- Review All Key Topics
30 Security Best Practices 6 topics +
- Host Security Best Practices
- Authentication Security Best Practices
- Service Security Best Practices
- Banners
- Summary
- Review All Key Topics
Hands-On Labs Our edge
48 LiveLabs- Installing CentOS
- Using Red Hat Package Management Tools
- Investigating RPM App Package Issues
- Installing a Virtual Machine
- Looking at VM Tools
- Exploring the Contents of the Anaconda file
- Booting Linux into Single-User Mode
- Creating an RAM Disk
- Managing Services with systemctl
- Finding the System Initialization Method
- Managing Processes
- Watching Stopped Processes
- Displaying Process Information
- Sending a Job to the Background
- Creating a Hard Link
- Performing Basic File Management
- Exploring a File System
- Using Regular Expressions
- Using Filters
- Using Redirection
- Changing Permissions on a File
- Finding Files
- Assigning Additional ACLs to a File
- Investigating File Obstacles
- Exploring SELinux
- Using tar for Backups
- Reviewing Account Settings
- Managing Users and Groups
- Using usermod to Lock an Account
- Exploring PAM
- Viewing the System Logs
- Making an Inventory of System Devices
- Viewing Disk Usage
- Identifying System Hardware
- Managing Kernel Modules from the Command Line
- Creating a Physical Volume, Volume Group, Logical Volume, and File Systems
- Creating Partitions and Filesystems
- Finding Applications that are Providing TCP Network Services
- Finding the Network Information
- Understanding Network Configuration on CentOS
- Using Firewalld
- Running Scripts in Background Mode
- Working with Time Zones
- Using the timedatectl Command to Set the System Time
- Creating an Advanced Script
- Making Simple Batch Files
- Redirecting Output
- Using Git
Labs run in your browser — nothing to install.
02 / FAQs
Questions before you start
Prepare for CompTIA Linux+ (XK0-004)
One-time payment. Full access for 1 year. Start with a free trial if you want to look around first.
- 1 year of full access
- 48 LiveLab included
- Certificate of completion
No credit card required