Cert Prep: CompTIA Linux+ (XK0-005)

12h 52mIntermediate2023-05-19

Authors

Grant McWilliams

Consultant, Speaker, Writer, Professor, Developer

Course details

Looking to boost your know-how and showcase your Linux skill set to potential employers? Obtaining the CompTIA Linux+ certification can go a long way in proving your expertise. This popular, job-based certification is even required by many employers as a base requirement for administering Linux servers. In this course, Grant McWilliams helps you prepare to pass the CompTIA Linux+ (XKO-005) certification exam. The latest version of the exam was introduced in 2022 and replaces the XKO-004 exam. Throughout this course, Grant goes over each of the key topics covered in exam XKO-005, including setup, configuration, file management, server maintenance, security, troubleshooting, and o,re. Along the way, he references other courses in the LinkedIn Learning library to help you get more focused, in-depth coverage of the subjects covered in the exam.

Skills covered

LinuxNetwork AdministrationCert PrepNetwork and System AdministrationOpen Source

Concepts

0. Introduction

01 - Prepare for the CompTIA Linux+ XKO-005 Certification
02 - What you should know
03 - About the Linux+ XKO-005 exam

1. Lab Setup

04 - Explore Linux distributions
05 - Prepare the host for virtualization
06 - Enterprise Linux install
07 - Ubuntu install
08 - Locale and date tools

2. Manipulating Files

09 - About Linux Shells
10 - About Linux Terminals
11 - Get help on the command line
12 - Understand the Linux Filesystem Hierarchy
13 - Understand filesystem paths
14 - Create files and dirs
15 - Get information about files
16 - Copy files and dirs
17 - Move and rename files and dirs
18 - Remove files and dirs
19 - Create links to files and dirs
20 - Use input-output redirection ( , , , 2 )
21 - Connect programs with named and unnamed pipes
22 - File redirects and tees
23 - Find files using Locate
24 - Find files with Find

3. Processing Text Files

25 - Get familiar with Nano
26 - An introduction to Vim
27 - Edit text in Vim
28 - Find text in files with grep
29 - Edit text with sed

4. Basic Boot Process

30 - Understand the Linux bootup process
31 - Linux boot loaders and sources
32 - Use GRUB2 commands
33 - Rescue a system

5. Maintaining Processes and System Services

34 - About Linux processes
35 - Monitor processes using ps
36 - Monitor processes in real time
37 - Manage processes
38 - Manage process jobs
39 - Introduction to systemd services
40 - Get systemd service status
41 - Manage systemd services
42 - Make systemd services persistent
43 - Introduction to job scheduling
44 - One-time jobs using at and batch
45 - About cronjobs
46 - Systemd timers
47 - Analyze system processes and optimize
48 - Troubleshoot applications and hardware

6. Configuring Network Connections

49 - Linux networking overview
50 - Prepare for Linux networking
51 - Configure live network connections
52 - Configure saved network connections
53 - Configure networking with NetworkManager
54 - Troubleshoot DNS client issues
55 - Monitor the network and remediate

7. Managing Users

56 - User and group overview
57 - User account file
58 - User password file
59 - Group accounts and passwords
60 - Create and delete users
61 - Modify user accounts
62 - Create and delete groups
63 - Assign users to groups
64 - Become a super user
65 - Elevate group privileges
66 - Elevate privileges using sudo
67 - Manage sudo users

8. Handling Storage

68 - Linux storage system overview
69 - Prepare for handling storage
70 - Create partitions using fdisk
71 - Create partitions using parted
72 - Manage LVM volumes and volume groups
73 - Expand existing logical volumes
74 - Reduce existing logical volumes
75 - Create EXT filesystems
76 - Repair EXT filesystems
77 - Create and repair XFS filesystems
78 - MDRAID or DMRAID
79 - Create a RAID 5 using LVM
80 - Create RAIDs using mdadm
81 - Mount filesystems on boot
82 - Encrypt drives with LUKS
83 - Troubleshoot storage systems

9. Backup, Restore, and Compress Files

84 - Archive files with tar and cpio
85 - Compress files
86 - Copy files between systems

10. Manage Software

87 - Software management systems overview
88 - DNF overview
89 - Get DNF packages by name
90 - Get info on packages with DNF
91 - Get info on package groups with DNF
92 - Search for packages with DNF
93 - Install and remove packages with DNF
94 - Install and remove package groups with DNF
95 - Get package information with RPM
96 - Manage DNF repositories
97 - Manage OS updates
98 - Update the kernel
99 - Manage kernel modules
100 - Get package information with dpkg and APT
101 - Manage software with dpkg and APT
102 - Work with APT repositories
103 - Install software from source
104 - About sandboxed applications

11. File Security

105 - What is a file
106 - Get information about files
107 - About extended attributes
108 - Get extended attributes
109 - Linux permissions overview
110 - File and directory modes
111 - File ownership
112 - Permissions using numeric method
113 - Permissions using symbolic method
114 - Initial permissions using umask
115 - Special file bits - SUID and SGID
116 - Special directory bits - SGID and Sticky
117 - Access control lists overview
118 - Read access control lists
119 - Set access control lists
120 - Configure inheritance with default access control lists
121 - Delete access control lists
122 - Troubleshoot access control

12. Mandatory Access Control

123 - Set enforcing and permissive modes for SELinux
124 - List and identify SELinux file and process context
125 - Restore SELinux default file contexts
126 - Use booleans to modify SELinux behavior
127 - Diagnose routine SELinux policy violations
128 - Maintain security context when managing files
129 - Use AppArmor

13. System Security

130 - About pluggable authentication modules
131 - Use login counters
132 - Change default password policies
133 - Edit global user account defaults
134 - Lock user accounts and change password aging
135 - Force password resets
136 - Configure Secure Shell
137 - Explore PKI concepts
138 - Configure key-based authentication for SSH
139 - Tunnel data with SSH
140 - Summarize security best practices

14. Linux Firewalls

141 - Compare and contrast Linux firewalls
142 - Use firewalld for packet filtering
143 - Use firewalld zones
144 - Use firewalld for NAT

15. Automation and Scripting

145 - What makes a shell script a shell script
146 - Positional arguments
147 - File globbing
148 - Wildcards
149 - Bash variable scope
150 - Output to STDOUT and STDERR
151 - Pipe data into a script
152 - Conditional flow with if, then if
153 - Conditional flow with case
154 - Numeric conditions
155 - String conditions
156 - File conditions
157 - For loop
158 - While loop

16. Automating Jobs

159 - Manage one-time jobs with at
160 - Manage reoccurring user jobs with cron
161 - Manage reoccurring system jobs with cron
162 - Configure a system to use Network Time Protocol

17. Version Control

163 - Start with Git
164 - Commit and add files
165 - Why branch
166 - Create branches
167 - Compare, rename, and delete branches
168 - Merge branches
169 - Create a GitHub repository

18. Realizing Virtual and Cloud Environments

170 - Compare cloud and virtualization concepts
171 - Types of hypervisors
172 - VM initialization and tools
173 - Explore containers

19. System Orchestration

174 - Utilize configuration management systems
175 - Explain server roles
176 - Infrastructure and build automation
177 - About app deployment
178 - Explore orchestration

Conclusion

179 - Take the exam