OPERATING SYSTEMSOS Linux

LFCS – Linux Foundation Certified Systems Administrator

This lecture is part of my full course on LFCS, Linux certified systems administrator, located here:

https://mylinuxgig.thinkific.com/courses/lfcs

Course covers all of the 2020 domains:

Essential Commands – 25%

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
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

Operation of Running Systems – 20%

Boot, reboot, and shut down a system safely
Boot or change system into different operating modes
Install, configure and troubleshoot bootloaders
Diagnose and manage processes
Locate and analyze system log files
Schedule tasks to run at a set date and time
Verify completion of scheduled jobs
Update software to provide required functionality and security
Verify the integrity and availability of resources
Verify the integrity and availability of key processes
Change kernel runtime parameters, persistent and non-persistent
Use scripting to automate system maintenance tasks
Manage the startup process and services (In Services Configuration)
List and identify SELinux/AppArmor file and process contexts
Manage Software
Identify the component of a Linux distribution that a file belongs to

User and Group Management – 10%

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
Configure PAM

Networking – 12%

Configure networking and hostname resolution statically or dynamically
Configure network services to start automatically at boot
Implement packet filtering
Start, stop, and check the status of network services
Statically route IP traffic
Synchronize time using other network peers

Service Configuration – 20%

Configure a caching DNS server
Maintain a DNS zone
Configure email aliases
Configure SSH servers and clients
Restrict access to the HTTP proxy server
Configure an IMAP and IMAPS service
Query and modify the behavior of system services at various operating modes
Configure an HTTP server
Configure HTTP server log files
Configure a database server
Restrict access to a web page
Manage and configure containers
Manage and configure Virtual Machines

Storage Management – 13%

List, create, delete, and modify physical storage partitions
Manage and configure LVM storage
Create and configure encrypted storage
Configure systems to mount file systems at or during boot
Configure and manage swap space
Create and manage RAID devices
Configure systems to mount file systems on demand
Create, manage and diagnose advanced file system permissions
Setup user and group disk quotas for filesystems
Create and configure file systems

source

linux foundation

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