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Linux Troubleshooting (L-314) Course Overview

Linux Troubleshooting (L-314) Course Overview

The Linux Troubleshooting (L-314) course is a comprehensive program designed to equip learners with the skills needed to diagnose and resolve a wide range of Linux system issues. This hands-on course covers topics from the Linux boot process to Advanced networking and Security, ensuring that students gain practical experience with real-world system administration challenges.

Throughout the course, participants will delve into essential Troubleshooting techniques for Boot problems, Process management, Filesystem issues, and Network connectivity. They'll work with systemd, GRUB 2, Networking tools, System logging, RPM, SELinux, and more. The curriculum also includes Managing software and services, Security features like Firewalls and TCP wrappers, and common server applications such as Apache, Samba, and Postfix.

By the end of the Linux troubleshooting course, learners will have developed a robust toolkit of strategies and best practices for tackling Linux system problems, making them valuable assets in any IT or DevOps team.

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Course Advisor

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Abhishek Soni

8+ Years Experience

RedHat Certified Instructor (RHCI)

Working with Koenig Solutions for 9 years.

Following courses are similar to Linux Troubleshooting (L-314)

1. RH342- Red Hat Enterprise Linux Diagnostics and Troubleshooting Red Hat Enterprise Linux Diagnostics and Troubleshooting and Linux Troubleshooting cover similar topics such as diagnostics and troubleshooting, but Red Hat's course is geared specifically towards RHEL Read More

Course Prerequisites

To ensure a successful learning experience in the Linux Troubleshooting (L-314) course, students should possess the following minimum prerequisites:


  • Basic understanding of the Linux operating system and its command line interface.
  • Familiarity with managing Linux-based systems, including system startup and shutdown, filesystem navigation, and basic system configuration.
  • Knowledge of how to install and configure Linux services and applications.
  • Experience with system and network administration concepts, such as user and group management, network configuration, and firewall basics.
  • Ability to read and edit configuration files using a command-line text editor (e.g., vi, nano).
  • Some exposure to Linux system monitoring and diagnostic tools.

These prerequisites are designed to provide a foundation that will enable students to engage with the course material effectively and to participate in troubleshooting exercises with confidence.


Linux System Administration ll
Linux Troubleshooting (L-314)

Target Audience for Linux Troubleshooting (L-314)

  1. The Linux Troubleshooting course equips IT professionals with advanced skills to diagnose and resolve Linux system issues.


  2. Target audience for the course:


  • System Administrators
  • IT Support Specialists
  • Network Engineers
  • DevOps Engineers
  • Technical Support Engineers
  • Linux System Engineers
  • Security Analysts with a focus on Linux environments
  • Cloud Infrastructure Engineers working with Linux servers
  • Data Center Technicians managing Linux systems
  • IT Professionals seeking to improve Linux troubleshooting skills
  • Linux enthusiasts aiming to professionalize their hobbyist knowledge


Learning Objectives - What you will Learn in this Linux Troubleshooting (L-314)?

Introduction to Course Learning Outcomes and Concepts Covered

The Linux Troubleshooting (L-314) course provides comprehensive insights into identifying and resolving Linux system issues, from boot problems to network challenges, ensuring efficient system management and security.

Learning Objectives and Outcomes

  • Understand and manage the Linux boot process, including GRUB 2 troubleshooting and systemd service management.
  • Gain proficiency in process management and troubleshooting, utilizing tools like top for analyzing system resource usage.
  • Acquire skills in filesystem management, including concepts and troubleshooting methods, as well as backup strategies and solutions.
  • Develop expertise in network configuration, management, and troubleshooting, including the use of NetworkManager and network teaming.
  • Learn to troubleshoot X11 server issues, manage system logging with rsyslog and systemd journal, and secure logging practices.
  • Master RPM package management and common Unix printing system (CUPS) troubleshooting techniques.
  • Manage users and groups, troubleshoot PAM (Pluggable Authentication Modules), and implement filesystem quotas and access control lists.
  • Address SELinux security contexts and policies to maintain a secure Linux environment.
  • Configure and troubleshoot advanced storage solutions like LVM, software RAID, and SAN multipathing.
  • Troubleshoot a variety of network services, including DNS, Apache, FTP, Squid, Samba, Postfix, and database services like MariaDB.

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