Linux Foundation Certified System Administrator (LFCS) Cert Prep

Course details

The Linux Foundation Certified System Administrator (LFCS) exam vets your ability to proficiently install, configure, and operate Linux-based systems, whether on-premises or in the cloud. Developed by The Linux Foundation to help meet the increasing demand for Linux administration talent, the exam includes both performance-based items simulating on-the-job tasks and scenarios faced by sysadmins in the real world. This course is designed to help you prepare for the exam and covers the exam’s core topics: essential Linux commands, operations deployment, users and groups, networking, and storage.

Concepts

Introduction

Course introduction
Course structure
Prerequisites, exam objectives, and details

Essential Commands

Log into local and remote graphical and text mode consoles
Demo - Log into local and remote graphical and text mode consoles
Read and use system documentation
Create, delete, copy, and move files and directories
Create and manage hard links
Create and manage soft links
List, set, and change standard file permissions
SUID, SGID, and sticky bit
Search for files
Compare and manipulate file content
Pagers and VI demo
Search a file using grep
Analyze text using basic regular expressions
Extended regular expressions
Archive, back up, compress, unpack, and uncompress files (optional)
Compress and uncompress files (optional)
Back up files to a remote system (optional)
Use input-output redirection (e.g. , , , 2 )
Work with SSL certificates
Git - Basic operations
Git - Staging and committing changes
Git - Branches and remote repositories

Operations Deployment

Boot, reboot, and shutdown a system safely
Boot or change system into different operating modes (optional)
Use scripting to automate system maintenance tasks
Manage startup process and services
Create systemd services
Diagnose and manage processes
Locate and analyze system log files
Schedule tasks to run at a set date and time
Manage software with package manager
Configure the repositories of package manager
Install software by compiling source code
Verify integrity and availability of resources and processes
Change kernel runtime parameters, both persistent and non-persistent
List and identify SELinux file and process contexts
Create and enforce MAC using SELinux
Create and manage containers
Manage and configure virtual machines
Create and boot a virtual machine
Installing an operating system on a virtual machine

Users and Groups

Create, delete, and modify local user accounts
Create, delete, and modify local groups and group memberships
Manage system-wide environment profiles
Manage template user environment
Configure user resource limits
Manage user privileges
Manage access to root account
Configure the system to use LDAP user and group accounts

Networking

Theory - Configure IPv4 and IPv6 networking and hostname resolution
Demo - Configure IPv4 and IPv6 networking and hostname resolution
Start, stop, and check status of network services
Theory - Configure bridge and bonding devices
Demo - Configure bridge and bonding devices
Configure packet filtering (firewall)
Port redirection and network address translation (NAT)
Implement reverse proxies and load balancers
Set and synchronize system time using time servers
Configure SSH servers and clients

Storage

List, create, delete, and modify physical storage partitions
Configure and manage swap space
Create and configure filesystems
Configure systems to mount filesystems at or during boot
Filesystem and mount options
Use remote filesystems - NFS
Use network block devices - NBD
Manage and configure LVM storage
Monitor storage performance
Create, manage, and diagnose advanced filesystem permissions

Conclusion

Closing note