Enterprise Linux® 8 Certified System Administrator

ToIT

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Duration

16h

Students

Level

Intermediate

Last Updated

December 3, 2024

Enterprise Linux® 8 Certified System Administrator

Overview
Curriculum
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This course is appropriate for Enterprise Linux® system administrators seeking validation of their skills, or those new to Linux system administration. This course will provide preparation for experienced Linux system administrators who require certification as a Linux System Admin in their job role or based on a mandate, such as DoD 8570 directive. It is also appropriate for IT professionals who are on the path to earn Red Hat® Certified System Administrator or Red Hat® Certified Engineer.

This course is required to prepare for the Red Hat® Certified System Administration Exam (EX200)

8 Sections
55 Lessons
16h Duration

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Understand and use essential tools

11 Lessons

Access a shell prompt and issue commands with correct syntax
Use input-output redirection
Use grep and regular expressions to analyze text
Access remote systems using SSH
Log in and switch users in multiuser targets
Archive, compress, unpack, and uncompress files using tar, star, gzip, and bzip2
Create and edit text files
Create, delete, copy, and move files and directories
Create hard and soft links
List, set, and change standard ugo/rwx permissions
Locate, read, and use system documentation including man, info, and files in /usr/share/doc

Operate running systems

9 Lessons

Boot, reboot, and shut down a system normally
Boot systems into different targets manually
Interrupt the boot process in order to gain access to a system
Identify CPU/memory intensive processes and kill processes
Adjust process scheduling
Locate and interpret system log files and journals
Preserve system journals
Start, stop, and check the status of network services
Securely transfer files between systems

Configure local storage

6 Lessons

List, create, and delete partitions on MBR and GPT disks
Create and remove physical volumes
Assign physical volumes to volume groups
Create and delete logical volumes
Configure systems to mount file systems at boot by universally unique ID (UUID) or label
Add new partitions and logical volumes, and swap to a system non-destructively

Create and configure file systems

7 Lessons

Create, mount, unmount, and use vfat, ext4, and xfs file systems
Mount and unmount network file systems usine NFS
Extend existing logical volumes
Create and configure set-GID directories for collaboration
Configure disk compression
Manage layered storage
Diagnose and correct file permission problems

Deploy, configure, and maintain systems

7 Lessons

Schedule tasks using at and cron
Start and stop services and configure services to start automatically at boot
Configure systems to boot into a specific target automatically
Configure time service clients
Install and update software packages from Red Hat Network, a remote repository, or from the local file system
Work with package module streams
Modify the system bootloader

Manage basic networking

4 Lessons

Configure IPv4 and IPv6 addresses
Configure hostname resolution
Configure network services to start automatically at boot
Restrict network access using firewall-cmd/firewall

Manage users and groups

4 Lessons

Create, delete, and modify local user accounts
Change passwords and adjust password aging for local user accounts
Create, delete, and modify local groups and group memberships
Configure superuser access

Manage security

7 Lessons

Configure firewall settings using firewall-cmd/firewall
Configure key-based authentication for SSH
Set enforcing and permissive modes for SELinux
List and identify SELinux file and process context
Restore default file contexts
Use boolean settings to modify system SELinux settings
Diagnose and address routine SELinux policy violations

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Course Includes

Understand and use essential tools for handling files, directories, command-line environments, and documentation
Operate running systems, including booting into different run levels, identifying processes, starting and stopping virtual machines, and controlling services
Configure local storage using partitions and logical volumes
Create and configure file systems and file system attributes, such as permissions, encryption, access control lists, and network file systems
Deploy, configure, and maintain systems, including software installation, update, and core services
Manage users and groups, including use of a centralized directory for authentication
Manage security, including basic firewall and SELinux configuration