Linux Foundation Certified SysAdmin (LFCS) Practice Exam

The Linux Foundation Certified System Administrator (LFCS) exam validates your fundamental skills in administering Linux systems. Earning this certification demonstrates your ability to perform essential tasks like user and group management, package installation, basic security practices, and working with the command line.

Who Should Take This Exam?

The LFCS certification is ideal for:

• IT Professionals: New to Linux administration or seeking to validate their basic Linux sysadmin skills.
• Help Desk Technicians: Expanding their skillset to troubleshoot and support Linux systems.
• Anyone seeking to: Launch a career in Linux administration or gain practical Linux skills for their current role.

Are There Prerequisites?

There are no formal prerequisites for the LFCS exam. However, a basic understanding of computer systems and some familiarity with the command line interface (CLI) would be beneficial.

Roles and Responsibilities

With an LFCS certification, you may find opportunities in roles such as:

• Linux System Administrator (Junior Level): Performing basic administrative tasks on Linux servers.
• Help Desk Technician (with Linux Expertise): Troubleshooting issues related to Linux systems.
• Cloud Support Engineer (with Linux Focus): Providing basic support for Linux instances in cloud environments.

Exam Details 

• Exam Duration: 120 minutes
  
• Number of Questions: 260
• Passing Marks: 66%
• Language: English

Course Outline

The Linux Foundation Certified System Administrator LFCS exam covers the following topics:

1. Operations Deployment25%

• 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

2. 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

3. 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

4. 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

5. 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