Linux Foundation Certified System Administrator (LFCS)
3.9 (312 ratings)
Course Ratings are calculated from individual students’ ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately.
12,873 students enrolled

Linux Foundation Certified System Administrator (LFCS)

Basic to intermediate Linux system administration
3.9 (312 ratings)
Course Ratings are calculated from individual students’ ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately.
12,873 students enrolled
Created by Javed Akbar
Last updated 3/2020
English
English [Auto]
Current price: $20.99 Original price: $29.99 Discount: 30% off
5 hours left at this price!
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This course includes
  • 7 hours on-demand video
  • 2 downloadable resources
  • Full lifetime access
  • Access on mobile and TV
  • Assignments
  • Certificate of Completion
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What you'll learn
  • Students will be in a good position to pursue a career in Linux and also will be able to take the certification exam.
Requirements
  • Basic PC and operating system experience will be good enough for this course.
Description

With a combination of lectures, hands-on exercises, quizzes and demos the students will get a very good grip of the Linux operating system and will be confident enough to take the test by the end of the course. The LFCS certification exam is performance based and hence needs a lot of practice, not memorization or brain dumps. You will be required to perform tasks on a live system and your score will be based on the correctness of the tasks performed. It is a 2 hour test and requires a 74% passing score.

LFCS is very high in-demand certification that is OS agnostic. Unlike some other certifications out there, you won't be required to stick to only one operating system. You will be given a choice to either pick up CentOS or Ubuntu as the operating system of your choice. Both of these operating systems are available for free and I will show you how to download and install them in a virtual environment in the first section of the course.

This course will cover the following domains:

Understand and use essential tools


        Access a shell prompt and issue commands with correct syntax

        Use input-output redirection

        Use grep and regular expressions to analyze text

        Access remote systems using SSH

        Log in and switch users in multiuser targets

        Archive, compress, unpack, and uncompress files using tar, star, gzip, and bzip2

        Create and edit text files

        Create, delete, copy, and move files and directories

        Create hard and soft links

        List, set, and change standard ugo/rwx permissions

        Locate, read, and use system documentation including man, info, and files in /usr/share/doc


Operate running systems


        Boot, reboot, and shut down a system normally

        Boot systems into different targets manually

        Interrupt the boot process in order to gain access to a system

        Identify CPU/memory intensive processes and kill processes

        Adjust process scheduling

        Manage tuning profiles

        Locate and interpret system log files and journals

        Preserve system journals

        Start, stop, and check the status of network services

        Securely transfer files between systems


Configure local storage


        List, create, delete partitions on MBR and GPT disks

        Create and remove physical volumes

        Assign physical volumes to volume groups

        Create and delete logical volumes

        Configure systems to mount file systems at boot by universally unique ID (UUID) or label

        Add new partitions and logical volumes, and swap to a system non-destructively


Create and configure file systems


        Create, mount, unmount, and use vfat, ext4, and xfs file systems

        Mount and unmount network file systems using NFS

        Extend existing logical volumes

        Create and configure set-GID directories for collaboration

        Configure disk compression

        Manage layered storage

        Diagnose and correct file permission problems


Deploy, configure, and maintain systems


        Schedule tasks using at and cron

        Start and stop services and configure services to start automatically at boot

        Configure systems to boot into a specific target automatically

        Configure time service clients

        Install and update software packages from Red Hat Network, a remote repository, or from the local file system

        Work with package module streams

        Modify the system bootloader


Manage basic networking


        Configure IPv4 and IPv6 addresses

        Configure hostname resolution

        Configure network services to start automatically at boot

        Restrict network access using firewall-cmd/firewall


Manage users and groups


        Create, delete, and modify local user accounts

        Change passwords and adjust password aging for local user accounts

        Create, delete, and modify local groups and group memberships

        Configure superuser access


Manage security


        Configure firewall settings using firewall-cmd/firewalld

        Create and use file access control lists

        Configure key-based authentication for SSH

        Set enforcing and permissive modes for SELinux

        List and identify SELinux file and process context

        Restore default file contexts

        Use boolean settings to modify system SELinux settings

        Diagnose and address routine SELinux policy violations


As with all Red Hat performance-based exams, configurations must persist after reboot without intervention.


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Who this course is for:
  • Anyone who has a desire to learn Linux and also wants to persue an in-demand certification.
Course content
Expand all 81 lectures 07:10:30
+ Introduction
5 lectures 21:15
Ubuntu download and Installation
07:50
Summary
02:31
We have discussed three Linux distributions in this section. First install Virtualbox or another virtualization software of your choice (VMware, Hyper-V, Xenserver, etc) and then create virtual machine (s) and install the operating system. Open the terminal window once the OS is installed
Download and install one or all three Linux flavors
1 question
+ Online help (man pages)
4 lectures 14:17
Intoduction
04:21
Examples
04:22
Searching with keywords
03:35
Using --help instead of man
01:59
+ Domain No. 1 - Essential Commands
14 lectures 01:30:54
Typing your first commands in Linux terminal
06:09
Interacting with the Linux Shell
03:50
Changing host and domain name
05:59
Using the find command to search and locate files
07:14
Archiving and Compressing files in Linux
07:21
File Permissions in Linux
06:42
Input-output redirects
13:44
Hard and Soft links
07:01
Linux File System
05:57
Remote access and file creation
09:37
grep and regular expressions
04:39
Using AWK for text filtering
07:00
Regular expression (sed)
03:39
Summary Domain 1
02:02

This quiz is designed to test your knowledge gained through the lectures and hands on exercises in Domain - 1

Linux Quiz #1
10 questions
+ Domain No. 2 - Operation of running system
11 lectures 01:11:21
Boot process
09:02
Boot process continues
07:59
systemd
07:15
Scheduling tasks by using the cron utility
08:19
Shell Scripting
06:42
Processes
08:17
Processes continues
03:55
Package Management
06:32
Changing kernel parameter persistant and non-persistant
05:26
Identify components of a Linux Distro
02:43
Locating and analyzing logs
05:11

This quiz will have a mix of questions from both Domains 1 and 2.

Linux Quiz #2
10 questions
+ Domain No. 3 - User and Group Management
10 lectures 01:02:21
Introduction
10:44
Group Management
14:26
File permissions and use of the chmod command
09:57
Useradd command
05:08
Group Management
03:45
System wide environment profile
04:22
Setting limits for user running processes
03:28
Creating and editing sudoers file
04:02
Configure PAM
05:28
Summary Domain - 3
01:01

It is continuation of the past two quizzes and cover random questions about material covered so far

Linux Quiz #3
10 questions
+ Domain No. 4 - Networking
13 lectures 53:23
Runtime ip configuration
06:40
Persistent IP configuration
08:42
Network Time Protocol (NTP)
02:32
Start, stop and check the status of a network service
02:56
Statically route IP traffic
04:39
Packet Filtering in Linux - 1
01:41
Packet Filtering in Linux - 2
09:09
Packet Filtering - 3
02:20
Packet Filtering - 4
06:24
Packet Filtering - 5
02:34
Packet Filtering - 6
02:55
Packet Filtering - Summary
01:07
Summary Domain No. 4
01:44

This quiz will test you on networking concepts related to iptables, ntp and ip configuration.

Networking
5 questions
+ Domain No. 5 - Service Configuration
5 lectures 20:23
Linux RunLevels
02:12
The SSH server configuration
04:10
installing Apache server
04:34
Restrict access to a web page
06:15
Email aliases
03:12
+ Domain No. 6 - Storage Management
3 lectures 20:50
Disk partitions
02:24
SWAP partition
06:27
LVM - Logical Volume Manager
11:59
+ Package Management
6 lectures 27:21
Introduction
04:49
apt-get - 1
04:20
apt-get - 2
06:00
YUM (Yellowdog Updater Modified) - 1
04:55
YUM (Yellowdog Updater Modified) - 2
05:50
RPM - Red Hat Package Manager
01:27
+ KVM (Kernel based virtual machine)
5 lectures 16:28
Introduction
02:44
Costs and benefits of virtualization
02:20
Virtualization software install
05:13
Creating a Virtual Machine
03:33
The virsh command
02:38