CompTIA

INT1131: Desktop Support

Lessons
Lab
TestPrep

Skills You’ll Get

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1

Installation and Storage concepts

  • Hardware and Linux Installation
  • The Linux Boot Process
  • Boot Loaders and Files
  • When Kernels Panic
  • Basic Partitions
  • Filesystem Hierarchy
  • Device Mapper
  • Filesystem Types
  • Disk Partitioning Tools
  • Managing LVM
  • Managing Software RAID
  • Creating Filesystems
  • Advanced Filesystem Commands
  • Mounting and Unmounting
  • Space Utilization
  • Time Zones
  • Character Encoding
  • Representing Locales
2

Account Management

  • User Account Fundamentals
  • Group Accounts
  • Adding Users and Groups
  • Modifying Users and Groups
  • Removing Users and Groups
  • The Shadow Suite
  • Changing Passwords
  • Pluggable Authentication Modules (PAMs)
  • Secure Shell
  • Terminals PTY/TTY
  • Public Key Infrastructure
  • Using TCP Wrappers for Securing Services
  • Virtual Private Network (VPN) Clients
  • System Logging
  • Understanding Linux Hardware
  • Managing Printers and Printing
  • Linux Graphical User Interfaces
  • Accessibility Options
  • Remote Desktop
3

File Management

  • File and Directory Operations
  • Working with Input/Output Streams
  • Reading File Contents
  • Filters
  • A Tour of the vim Editor
  • nano, nano
  • 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
4

System Management

  • Software in a Linux System
  • Installing Software from Source
  • Packages and Package Managers
  • RPM and YUM Package Management
  • systemd
  • Down Memory Lane with SysVinit
  • Managing Processes
  • Sending Signals to Processes
  • Job Control
  • Managing Process Priorities
  • Leaving Programs Running After Logout
5

Network Management

  • Storage Monitoring and Configuration
  • CPU Monitoring and Configuration
  • Memory Monitoring and Configuration
  • Troubleshooting Additional Hardware Issues
  • Conceptual Overview of Networking
  • Managing Interfaces
  • Network Configuration Utilities
  • Bonding
  • Key Network Troubleshooting Concepts
  • Network Troubleshooting Tools
  • The iptables Command
  • Additional Firewall Technologies

1

Installation and Storage concepts

  • Installing CentOS
  • Booting Linux into Single-User Mode
  • Creating a Physical Volume, Volume Group, Logical Volume, and File Systems
  • Creating Partitions and Filesystems
  • Working with Time Zones
  • Using the timedatectl Command to Set the System Time
2

Account Management

  • Reviewing Account Settings
  • Managing Users and Groups
  • Using usermod to Lock an Account
  • Viewing the System Logs
  • Making an Inventory of System Devices
3

File Management

  • Creating a Hard Link
  • Performing Basic File Management
  • Exploring a File System
  • Using Filters
  • Using Redirection
  • Changing Permissions on a File
  • Finding Files
  • Assigning Additional ACLs to a File
  • Investigating File Obstacles
4

System Management

  • Using Red Hat Package Management Tools
  • Investigating RPM App Package Issues
  • Managing Services with systemctl
  • Managing Processes
  • Displaying Process Information
  • Sending a Job to the Background
5

Network Management

  • Viewing Disk Usage
  • Identifying System Hardware
  • Finding the Network Information
  • Understanding Network Configuration on CentOS
  • Using Firewalld

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