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Initial System Configuration and User Management for CompTIA Linux+ (XK0-006)
Prepare for the CompTIA Linux exam by validating and repairing Ubuntu and Red Hat systems. Practice system initialization verification to ensure the servers can boot successfully in the future; review the file system for errors, perform user and group management tasks; and add, update, remove, and verify software packages across the servers.
Lab Info
Table of Contents
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Challenge
Ensure the Systems Can Boot Properly
Inspect the kernel arguments and boot configurations of both servers for potential issues, repair any problems, and regenerate the bootloader configuration.
Do not reboot the servers!
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Challenge
Check the File System and Persistent Mounts for Issues
Identify storage devices and check the integrity of the provided filesystems.
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Challenge
Audit and Create Users, Groups, and Environments
Create an administrative and standard user group, then create a new user with a custom shell and assign to both groups; ensure the user has superuser privileges. Then, prepare both global and user-specified environmental variables that will persist across sessions, and configure password expiration/complexity rules.
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Challenge
Manage Packages, Services, and Running Processes
Ensure packages are up-to-date on both servers; install and start needed services; and review processes, adjust process priority of a service, and kill off taxing processes.
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