A must-have resource for anyone who wants to pass the CompTIA Linux+ XK0-005 certification exam
Key Features
● Learn the essential skills for troubleshooting Linux systems.
● A study guide that covers all the essential topics in the CompTIA Linux+ XK0-005 certification exam syllabus.
● Challenge yourself with test-like questions to improve your chances of passing the exam.
Description
The CompTIA Linux+ certification is a valuable credential for anyone who wants to work with Linux systems. It demonstrates your skills and knowledge of Linux administration, which is essential for getting a job or advancing your career.
This comprehensive guide is designed to help you prepare for and pass the CompTIA Linux+ XK0-005 certification exam. It covers all the essential topics you need to know, including how to configure, manage, operate, and troubleshoot Linux server environments. It also includes practice test questions to help you assess your knowledge and readiness for the exam.
By the end of this book, you will be confident and prepared to take the CompTIA Linux+ certification exam.
What you will learn
● Learn how to configure network settings, such as IP addresses, DNS servers, and hostnames.
● Get to know the Grand Unified Bootloader (GRUB 2), which is used to boot Linux systems.
● Learn how to manage processes in Linux.
● Learn how to create and run a shell script in Linux.
● Explore and work with configuration management tools like YAML, JSON, and Ansible.
Who this book is for
Whether you are a beginner or an experienced Linux user, this book is the perfect resource for you to pass the CompTIA Linux+ XK0-005 exam and become a certified Linux administrator.
Author(s): Philip Inshanally;
Publisher: BPB Publications
Year: 2023
Language: English
Pages: 406
Cover
Title Page
Copyright Page
Dedication Page
About the Author
About the Reviewer
Acknowledgement
Preface
Table of Contents
1. Introduction to Linux Environment
Introduction
Structure
Objectives
Filesystem hierarchy standard
Key principles of the FHS
Finding hardware information
Grand Unified Bootloader 2
Working with GRUB2
Conclusion
2. Files, Directories, and Storage
Introduction
Structure
Objectives
File compression
Compression algorithms
Compressing files
Compressing directories
Decompressing files and directories
Advanced compression techniques
Compression with compression libraries
File and directory operations
Creating, copying, moving, renaming, removing files
Creating and removing directories
Finding files and directories
Pipes and redirects
Filesystem management
Fourth extended file system
XFS file system
B-tree file system
ZFS file system
New technology file system
Using the fdisk utility
Using the parted utility
Steps to format a hard disk
Mounting and unmounting a partition
The mount command
The umount command
Logical volume management
Conclusion
3. Processes, Services and Network Configuration
Introduction
Structure
Objectives
Processes
The ps command
The kill command
The pstree command
The pgrep command
The pkill command
Services
Managing services with the systemctl command
Network configuration
IPv4
Class A
Class B
Class C
Class D
Class E
Subnet mask
Subnetting
IPv6 addressing
IPv4 configuration
ifconfig
ifup
ifdown
ip
Configure IPv4 routing
IPv6 configuration
Configure IPv6 routing
Client-side DNS
Conclusion
References
4. Managing Modules and Software
Introduction
Structure
Objectives
Modules
Understanding Linux modules
Module types
Module management
Localization
Understanding Linux localization
The importance of localization
Linux localization tools
GNU gettext
Localization files and directories
Language environment variables
Localization configuration example
Managing software
Debian package management
The dpkg command
The apt-get command
The aptitude command
YUM
dnf
Red-hat package manager
yumex
Rsyslog
Conclusion
5 User and Password Management
Introduction
Structure
Objectives
User accounts
The w command
The who command
The last command
The whoami command
Managing groups
Password management
The usermod command
Chage
Conclusion
References
6. Firewall, Remote Access and SELinux
Introduction
Structure
Objectives
Firewalls
TCP wrappers
firewalld
firewalld features
firewalld components
firewalld usage examples
iptables
Understanding iptables
iptables components
iptables rule syntax
iptables examples
Remote access
SSH
SELinux
Understanding SELinux
Advantages of SELinux
SELinux components
SELinux usage examples
Conclusion
7. Shell Scripting and Containers
Introduction
Structure
Objectives
Shell scripting
Basics of shell scripting
Writing scripts using for loops
The while loop
Writing scripts using if statements
Containers
Linux containers
Understanding Linux containers
Key concepts in Linux containers
Linux containers components
Linux containers templates
Kernel features
Some Linux containers usage
Docker
Key concepts in Docker
Docker components
Docker containers
Docker usage examples
Conclusion
8. Configuration Management with YAML, JSON and Ansible
Introduction
Structure
Objectives
YAML
Basic structure
Comments
Key-value pairs
Lists
Nested structures
Scalars
Multiline scalars
Anchors and aliases
Directives
Use case scenarios of YAML
JSON
JSON schema
JSON APIs
Data storage and exchange
Syntax
Data types
JSON arrays
Configuration files
API communication
Data processing and manipulation
Ansible
Architecture
Inventory
Playbooks
Modules
Tasks and plays
Roles
Ad-hoc commands
Ansible galaxy
Installing and configuring Ansible
Real-world examples of Ansible in network environment
Conclusion
9. Troubleshooting Network and System Issues
Introduction
Structure
Objectives
Network troubleshooting
The ping command
The ping6 command
The traceroute command
The traceroute6 command
The netstat command
The tracepath command
The tracepath -6 command
The nmap command
The whois command
The hostname command
Memory troubleshooting
Hard disk troubleshooting
Troubleshooting boot issues
Conclusion
10. Mock Exams
Introduction
Mock exam 1
Mock exam 2
Conclusion
Index
