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Cert Prep: CompTIA Linux+ (XKO-004)

via LinkedIn Learning

Overview

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Get ready to tackle the CompTIA Linux+ (XK0-005) certification exam, one of the most popular entry-level certifications for Linux administrators in the world.

Syllabus

Introduction
  • Prepare for the CompTIA Linux+ XKO-005 Certification
  • What you should know
  • About the Linux+ XKO-005 exam
1. Lab Setup
  • Explore Linux distributions
  • Prepare the host for virtualization
  • Enterprise Linux install
  • Ubuntu install
  • Locale and date tools
2. Manipulating Files
  • About Linux Shells
  • About Linux Terminals
  • Get help on the command line
  • Understand the Linux Filesystem Hierarchy
  • Understand filesystem paths
  • Create files and dirs
  • Get information about files
  • Copy files and dirs
  • Move and rename files and dirs
  • Remove files and dirs
  • Create links to files and dirs
  • Use input-output redirection (>, >>, |, 2>)
  • Connect programs with named and unnamed pipes
  • File redirects and tees
  • Find files using Locate
  • Find files with Find
3. Processing Text Files
  • Get familiar with Nano
  • An introduction to Vim
  • Edit text in Vim
  • Find text in files with grep
  • Edit text with sed
4. Basic Boot Process
  • Understand the Linux bootup process
  • Linux boot loaders and sources
  • Use GRUB2 commands
  • Rescue a system
5. Maintaining Processes and System Services
  • About Linux processes
  • Monitor processes using ps
  • Monitor processes in real time
  • Manage processes
  • Manage process jobs
  • Introduction to systemd services
  • Get systemd service status
  • Manage systemd services
  • Make systemd services persistent
  • Introduction to job scheduling
  • One-time jobs using at and batch
  • About cronjobs
  • Systemd timers
  • Analyze system processes and optimize
  • Troubleshoot applications and hardware
6. Configuring Network Connections
  • Linux networking overview
  • Prepare for Linux networking
  • Configure live network connections
  • Configure saved network connections
  • Configure networking with NetworkManager
  • Troubleshoot DNS client issues
  • Monitor the network and remediate
7. Managing Users
  • User and group overview
  • User account file
  • User password file
  • Group accounts and passwords
  • Create and delete users
  • Modify user accounts
  • Create and delete groups
  • Assign users to groups
  • Become a super user
  • Elevate group privileges
  • Elevate privileges using sudo
  • Manage sudo users
8. Handling Storage
  • Linux storage system overview
  • Prepare for handling storage
  • Create partitions using fdisk
  • Create partitions using parted
  • Manage LVM volumes and volume groups
  • Expand existing logical volumes
  • Reduce existing logical volumes
  • Create EXT filesystems
  • Repair EXT filesystems
  • Create and repair XFS filesystems
  • MDRAID or DMRAID?
  • Create a RAID 5 using LVM
  • Create RAIDs using mdadm
  • Mount filesystems on boot
  • Encrypt drives with LUKS
  • Troubleshoot storage systems
9. Backup, Restore, and Compress Files
  • Archive files with tar and cpio
  • Compress files
  • Copy files between systems
10. Manage Software
  • Software management systems overview
  • DNF overview
  • Get DNF packages by name
  • Get info on packages with DNF
  • Get info on package groups with DNF
  • Search for packages with DNF
  • Install and remove packages with DNF
  • Install and remove package groups with DNF
  • Get package information with RPM
  • Manage DNF repositories
  • Manage OS updates
  • Update the kernel
  • Manage kernel modules
  • Get package information with dpkg and APT
  • Manage software with dpkg and APT
  • Work with APT repositories
  • Install software from source
  • About sandboxed applications
11. File Security
  • What is a file?
  • Get information about files
  • About extended attributes
  • Get extended attributes
  • Linux permissions overview
  • File and directory modes
  • File ownership
  • Permissions using numeric method
  • Permissions using symbolic method
  • Initial permissions using umask
  • Special file bits: SUID and SGID
  • Special directory bits: SGID and Sticky
  • Access control lists overview
  • Read access control lists
  • Set access control lists
  • Configure inheritance with default access control lists
  • Delete access control lists
  • Troubleshoot access control
12. Mandatory Access Control
  • Set enforcing and permissive modes for SELinux
  • List and identify SELinux file and process context
  • Restore SELinux default file contexts
  • Use booleans to modify SELinux behavior
  • Diagnose routine SELinux policy violations
  • Maintain security context when managing files
  • Use AppArmor
13. System Security
  • About pluggable authentication modules
  • Use login counters
  • Change default password policies
  • Edit global user account defaults
  • Lock user accounts and change password aging
  • Force password resets
  • Configure Secure Shell
  • Explore PKI concepts
  • Configure key-based authentication for SSH
  • Tunnel data with SSH
  • Summarize security best practices
14. Linux Firewalls
  • Compare and contrast Linux firewalls
  • Use firewalld for packet filtering
  • Use firewalld zones
  • Use firewalld for NAT
15. Automation and Scripting
  • What makes a shell script a shell script?
  • Positional arguments
  • File globbing
  • Wildcards
  • Bash variable scope
  • Output to STDOUT and STDERR
  • Pipe data into a script
  • Conditional flow with if, then if
  • Conditional flow with case
  • Numeric conditions
  • String conditions
  • File conditions
  • For loop
  • While loop
16. Automating Jobs
  • Manage one-time jobs with at
  • Manage reoccurring user jobs with cron
  • Manage reoccurring system jobs with cron
  • Configure a system to use Network Time Protocol
17. Version Control
  • Start with Git
  • Commit and add files
  • Why branch?
  • Create branches
  • Compare, rename, and delete branches
  • Merge branches
  • Create a GitHub repository
18. Realizing Virtual and Cloud Environments
  • Compare cloud and virtualization concepts
  • Types of hypervisors
  • VM initialization and tools
  • Explore containers
19. System Orchestration
  • Utilize configuration management systems
  • Explain server roles
  • Infrastructure and build automation
  • About app deployment
  • Explore orchestration
Conclusion
  • Take the exam

Taught by

Grant McWilliams

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