Linux Foundation Certified System Administrator (LFCS)
Linux is the most widely used and best-known open-source operating system and can be found in embedded systems, smartphones, web servers, and supercomputers. Over the decades, Linux has become a key component in the infrastructure of nearly every major enterprise. Linux is also part of the backbone of the DevOps world, where it serves as both a development and distribution platform for many key tools.
The Linux Foundation’s Certified System Administrator exam is a hands-on, practical exam. The exam is designed to test applicants on the core domains of knowledge and critical skills that successful Linux system administrators need. Our LFCS course is designed to help you build those skills and prepare for the Linux Foundation Certified System Administrator exam.
In addition to LFCS training, lectures, and demonstrations, you will also have access to hands-on labs for every topic. At each step, you will be challenged to apply the skills you have learned with practical tasks. The labs can be accessed using your browser and will provide instant feedback as you move through each set of objectives.
What you will learn in our LFCS Course:
In this course, you will learn about
- Essential commands
- Operation of running systems
- User and group management
- Networking
- Service configuration
- Storage management
Deep dive into our course content with challenging lab exercises and hands-on labs.
Join Our Community!
Once you enroll in the LFCS course, you will get access to our community of teachers and learners on Slack where we discuss important topics, tips and tricks to pass the exam. This is a great place for you to clear your doubts and get answers to your questions instantly.
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Linux Foundation Certified System Administrator (LFCS)
The Linux Foundation Certified System Administrator (LFCS) exam is ideal for candidates looking to validate their ability to proficiently install, configure, and operate Linux-based systems, whether on-premises or cloud-based.
NOTE: As communicated, the LFCS exam has been updated as of 12:01am UTC on May 11, 2023. All exams taken going forward will be based on the domains and competencies below (including retakes).
LFCS is ideal for candidates early in their Linux system administration or open source career. Candidates should have completed training in Linux system administration.
LFCS was developed by The Linux Foundation to help meet the increasing demand for Linux administration talent. The exam consists of performance-based items that simulate on-the-job tasks and scenarios faced by sysadmins in the real world. The exam is independent of distribution-specific tasks, therefore selecting a platform in the exam preparation checklist is no longer required.
Certified Linux systems administrators can work proficiently to operate Linux-based systems, understand key concepts, use Linux to deploy and operate applications and services and understand Linux networking fundamentals and it’s role of supporting cloud-native deployments.
Operations Deployment 25% Configure kernel parameters, persistent and non-persistent
Diagnose, identify, manage, and troubleshoot processes and services
Manage or schedule jobs for executing commands
Search for, install, validate, and maintain software packages or repositories
Recover from hardware, operating system, or filesystem failures
Manage Virtual Machines (libvirt)
Configure container engines, create and manage containers
Create and enforce MAC using SELinux Networking 25% Configure IPv4 and IPv6 networking and hostname resolution
Set and synchronize system time using time servers
Monitor and troubleshoot networking
Configure the OpenSSH server and client
Configure packet filtering, port redirection, and NAT
Configure static routing
Configure bridge and bonding devices
Implement reverse proxies and load balancers Storage 20% Configure and manage LVM storage
Manage and configure the virtual file system
Create, manage, and troubleshoot filesystems
Use remote filesystems and network block devices
Configure and manage swap space
Configure filesystem automounters
Monitor storage performance Essential Commands 20% Basic Git Operations
Create, configure, and troubleshoot services
Monitor and troubleshoot system performance and services
Determine application and service specific constraints
Troubleshoot diskspace issues
Work with SSL certificates Users and Groups 10% Create and manage local user and group accounts
Manage personal and system-wide environment profiles
Configure user resource limits
Configure and manage ACLs
Configure the system to use LDAP user and group accounts 
The Linux Foundation worked with industry experts and the project’s community to identify the core domains and the critical skills, knowledge and competencies applicable to each certification. Performance-based exams were then developed based on the competencies that were identified.
This exam is an online, proctored, performance-based test that requires solving multiple issues from a command line running Linux. Candidates have 2 hours to complete the tasks. Please review The Linux Foundation certification Policies and FAQ below.
LFCS Certification Guide
The LFCS is primary and initial certification provided by the Linux Foundation for Beginners. It covers all basic commands and operating system fundamentals for Linux.
It also includes necessary work of System Administrator, and certify you for the basic knowledge on Linux Operating system.
The Linux Foundation Certified System Administrator (LFCS) certification is ideal for candidates early in their Linux system administration or open source career. The exam consists of performance-based items that simulate on-the-job tasks and scenarios faced by sysadmins in the real world. Obtaining certification allows individuals to validate their skills to prospective employers, which is particularly valuable if you have little on-the-job experience.
Source: The Linux Foundation
The Linux Foundation regularly worked with Linux kernel communities and industry experts to identify skills, domains, and topics for certification and update certification exam domains & competencies.
Section 01: Essential Commands
Section 02: Operation of Running Systems
Section 03: User and Group Management
Section 04: Networking
Section 05: Service Configuration
Section 06: Storage Management
LFCS Exam Detailed Syllabus:
Section 01: Essential Commands
Log into local & remote graphical and text mode consoles
Search for files
Evaluate and compare the basic file system features and options
Compare and manipulate file content
Use input-output redirection (e.g. >, >>, |, 2>)
Analyze text using basic regular expressions
Archive, backup, compress, unpack, and uncompress files
Create, delete, copy, and move files and directories
Create and manage hard and soft links
List, set, and change standard file permissions
Read, and use system documentation
Manage access to the root account