Enterprise Linux Operations Fundamentals

Enterprise Linux Fundamentals based on Red Hat Enterprise Linux 9 / AlmaLinux OS - plus 3 months access to the full course e-learning material - only with us!

This hands-on, workshop-style course with updated and expanded topics, based on the official Gurulabs curriculum, introduces participants to the installation, basic operation, management and maintenance tasks encountered in the day-to-day use of a modern enterprise Linux-based distribution. Upon completion of the course, participants will be able to confidently start implementing and basic operation of Linux systems and will acquire the skills required for advanced courses (LNX-02, 03).

The course is based on Red Hat Enterprise Linux version 9, but most of the knowledge can be successfully applied to other Linux distributions, as the training focuses on practical tasks and does not include specific (distribution-specific) techniques.

Introduction to the Linux operating system:

• Overview and positioning of the operating system family.
• Linux evolution, overview of distributions.
• Installation planning, hardware requirements assessment and analysis, installation strategies.

Operating system installation, post-installation configuration:

• Types of system installation, differences between graphical and text installation
• Package group selection, time zone setting.
• What is a repository?
• Automated installation options
• What to do during the first startup after installation.

Logging in and out of the graphical interface and console:

• Using character and graphical consoles.
• Customizing the default shell environment, using basic commands
• Using Linux system documentation.
• Understanding and using the Linux directory structure.
• Using and using the Linux operating system
• Writing shell scripts, troubleshooting in a Bash environment

Starting and stopping an operating system, overview of GRUB 2:

• Starting the computer, boot sequence.
• How to start the boot loader and how to configure it
• Root password reset
• Managing Linux kernel modules

Systemd Overview, configuring and creating your own boot files:

• Systemd Overview
• Systemd boot order and dependency checking
• Systemctl command overview and basic operational commands.
• Overview of run levels and switching between them
• Modifying and or creating Systemd boot files

Logical volume management:

• Understanding LVM
• Creating LVM volumes
• Creating an LVM mirrored volume
• LVM raid 5 volume creation
• LVM snapshot

Managing users and groups:

• Add, delete, modify users and groups.
• Users, users, administrators, users, users, users, users, users, users, users, users, users, users, users, users, users, users, users, users, users, users, users, users, users, users, users, users, users
• Initializing files.

Initializing and creating initializations. managing disks and volumes:

• Managing hard disks, types of partition tables and creating them on a freshly mounted volume (MBR, GPT)
• Creating partitions with fdisk and parted
• Managing mountable media.
• File system (xfs, ext4) creation, mounting, unmounting, checking.
• Disk usage control.

Virtual Data Optimizer (VDO):

• Description
• Create, delete, start VDO volumes
• Overview of extra configuration options

Security and authorization system basics:

• Overview of user and group permissions.
• Setting permissions.
• Overview and use of advanced privileges.

Control running processes:

• Controlling, terminating and starting processes.
• Sending alerts to running processes
• Running processes in the background.
• Running scheduled tasks (cron, at).

Package management, system update:

• Listing, installing, uninstalling software packages.
• Package groups
• Query package properties.
• Checking installed packages.
• Checking package packages.

Archiving, compression:

• Basic backup and restore tasks and options.
• Backup, restore and restore of files and directories.
• Using the Tar program
• Compression algorithms gz, bz2, xz

Logging, error handling:

• Viewing new operating system logs, log files (systemd-journald)
• Rsyslog service configuration and fine tuning
• Log server creation
• Configuration of the logslog configuration.
• Monitoring system performance.

Related Exam.

Basic computer and information technology skills, basic networking skills. Some source materials may be in English, so a working knowledge of English at document reading level is recommended.