CompTIA Linux+ XK0-005 Reference Guide : Get the knowledge and skills you need to become a Linux certified professional

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