Essential Linux Tools. Part 1

Logging to the system remotely with ssh and listing the directories
Changing the directories, inspecting the system, examining user's info, logins
Displaying and setting time and date. Part 1
Displaying and setting time and date. Part 2
Getting device information and using compression/archiving tools
Getting help and wildcards
Getting help (continued)
Quiz

Working with Files. Part 1

Path and file types
Creating files or directories and listing files or directories
Copying, moving, renaming, removing files and directories
File and directory control attributes
Finding files. Part 1
Finding files. Part 2
Finding files. Part 3
Finding files. Part 4
File permissions. Part 1
File permissions. Part 2
Quiz
Permissions for group collaboration

VIM Editor

VIM. Part 1
VIM. Part 2
VIM. Part 3
VIM. Part 4
VIM. Part 5
VIM. Part 6
VIM. Part 7
VIM. Part 8

Bash Shell. Processes and Scheduling. Essential Linux Tools. Part 2.

Searching the needed info with grep&wc
Cat and output redirection
Using pipes
Processes revealed
Processes and jobs
Exploring all running processes with top command
Understanding process states
Changing process priority with nice
Controlling processes with signals
Changing password with passwd and working withPATH
Special characters and command-line keystrokes
Chaining operators
Sed and awk
Sed and awk. Part 2
Performing exit, reboot or shutdown on the system
Using BASH history
Using aliases to create your own commands
Watching files and how they're changing live with watch command
Gaining administrative privileges with sudo command
Understanding Job Scheduling with cron and at commnds
Quiz

Managing Software Packages

Packages overview
Managing packages with rpm command
Installing and modifying packages with rpm command
Viewing pgp keys and verifying package attributes
YUM package manager. Part 1
YUM package manager. Part 2
YUM package manager. Part 3
RPM Software Packages

Networking Basics

Configuring hostname
IPv4 concepts and traceroute command usage
Using 'ip' command
Validating and Troubleshooting Network Configuration
Practice Lab: Examining Network Configuration
Configuring Networking with nmcli
Validating Network Configuration (with Guided Exercise)(
Editing Network Configuration Files (with Guided Exercise)
Lab: Managing Networking

PART II. Red Hat Enterprise Linux 8 System Administration. Manage Local users

Users: Intro, id command, /etc/passwd file
Users: Gaining Superuser Access. su and sudo commands
Users: Configuring sudo
Users: Guided Exercise Using sudo
Users: Using useradd, userdel and usermod
Users: Practice excersise with useradd, userdel and usermod
Groups: groupadd, groupdel and groupmod
Groups: adding users to groups
Users: working with passwords
Users: Practice. Working with passwords
Lab: Managing Users and Groups
Describing User and Group Concepts

PART II: Linux File System Permisions

File permissions
Changing Permissions for Files and Directories
Changing Ownership for Files and Directories
Guided Exercise: Managing File System Permissions from the Command LIne
Umask and Managing Default Permissions and File Access
Guided Exercise: Umask and Managing Default Permissions
Lab: Controlling Access to Files

PART II: Monitoring and Managing Linux Processes

Listing Processes and Process States. PS command options
Controlling Jobs
Guided Exercise: Controlling Jobs
Killing Processes
Monitoring process activity
Lab: Monitoring and Managing Processes

PART II: Controlling Services and Daemons

Controlling Services and Daemons
Controlling Services and Daemons: Guided Exercises

PART II: Configuring and Securing SSH

Accessing Comand Line with SSH
Configuring SSH key-based authentication
Configuring and securing SSH

PART II: Analyzing and Storing Logs

Describing System Log Architechture
Reviewing Syslog Files
Reviewing System Journal Entries
Preserving the System Journal
Maintaining Accurate Time
Lab: Analyzing and Storing Logs

PART II: Archiving and Transfering Files

Archiving and Compressing Files
Transferring Files Between Systems Securely

PART III: Scheduling Future Tasks

Using 'at' Package
Scheduling Recurring Tasks with 'crontab'
Scheduling Recurring System Jobs
Guided Exercise: Scheduling Recurring System Jobs
Managing Temporary Files
Guided Exercise: Managing Temporary Files

Part III: Tuning System Performance

Adjusting Tuning Profiles
Adjusting Process Scheduling
Guided Exercise: Changing Process Scheduling

Part III: Controlling Access to Files with ACLs

Interpreting File ACLs
Securing Files with ACLs
Guided Exercise: Securing Files with ACLs

Part III: Managing Storage

Adding Partitions, File Systems, and Persistent Mounts
Guided Exercise: Adding Partitions, File Systems, and Persistent Mounts
Managing Swap Space
Lab: Managing Basic Storage
Managing Logical Volumes
Extending Logical Volumes
Guided Exercise: Extending Logical Volumes
Lab: Managing Logical Volumes
Managing Layered Storage with Stratis
Guided Exercise: Managing Layered Storage with Stratis
Compresson and Deduplicating Storage with VDO
Lab: Implementing Advanced Stirage Features
Accessing Network-Attached Storage
Guided Exercise: Accessing Network-Attached Storage

PART III: Controlling and Troubleshooting the Boot Process

Describing the Boot Process
Guided Exercise: Selecting the Boot Target
Guided Exercise:Resetting the Root Password. Using Debug Mode and Logs.
Lab: Controlling the Boot Process

PART III: Managing Networking. Part 2

Describing Networking Concepts
IPv4 settings. Defining subnets
IPv4 Guided Exercises. Public and Private Adresses
Lab: Planning an IPv4 network

PART III: Hands-On Scripting Step-by-Step

Writing Simple Bash Scripts
Guided Exercise: Writing Your First Script
Using Loops
Guided Exercise: Using Loops
Describing a Simple Regular Expression
Guided Exercise: Using grep with RegEx
Using grep with RegEx
Lab: Your First Script
Building Scripts: Using Variables and Redirecting Input/Output
Building Scripts: the if-then statements
Building Scripts: Trying the Test command. Using Comparisons
Building Scripts: Using File Comparison
Compound Testing. Working wit Advanced If-Then Statements
A Practical Example
Looping with the 'for' statement
Looping with the 'for' statement. Part 2
Using 'while' and 'until' commands. Using Loops
Using Loops. Part 2
Practical Examples Using Loops
Passing Parameters
Using Special Parameter Variables
Working with Options
Using Read Command
A Practical Example
Understanding Input and Output
Redirecting Output in Scripts
Read/Write file descriptors
Supressing Command Output. Using temp files. Logging Messages
A practical example: using input and output
Signaling the Bash shell
Using traps
Running scripts in background

Part IV: Building Lab with Vagrant

Intro to Vagrant
Getting Installed
Using Vagrant
Using Vagrant. Part 2
Using Vagrant. Part 3
Using Vagrant. Part 4
Using Vagrant. Part 5
Using Vagrant. Part 6
Using Vagrant. Part 7
Using Vagrant. Part 8

Part IV: Starting with Ansible

Intro to Ansible
Getting Installed
Configuring SSH
Getting inventory
Using modules
Starting with Playbooks
Starting with Playbooks. Part 2
Starting with Playbooks. Part 3
Starting with Playbooks. Part 4

Part IV: Red Hat Linux Automation with Ansible

Building Ansible Lab Environment
Describing Ansible Inventory Files
Guided Exercise: Ansible Inventory Files
Managing Ansible Configuaration Files
Managing Connectivity and Configuaration Files
Guided Exercise: Managing Ansible Configuaration Files
Running Ad Hoc Commands
Guided Exercise: Running Ad Hoc Commands
Lab: Deploying Ansible
Implementing Playbooks
Guided Exercise: Implementing Playbooks
Multiple Plays
Guided Exercise: Multiple Plays
Lab: Implementing Playbooks
Managing Variables
Guided Exercise: Managing Variables
Managing Secrets
Guided Exercise: Managing Secrets
Managing Facts
Guided Exercise: Managing Facts
Lab: Managing Variables and Facts
Lab: Managing Variables and Facts
Writing Loops and Conditional Tasks
Guided Exercise: Writing Loops and Conditional Tasks
Implementing Handlers
Handling Task Failure
Guided Exercise: Handling Task Failure
Guided Lab:Implementing Task Control

Part IV: Starting with Git

Intro
Getting Installed
Configuring Git
Your First Commit
Using Push
Clone and Pull
Use Ignore
History
Use Branches

Part V: Hands-on Demonstrations, Recaps and Extras

Using YUM or DNF
Checking Your RHEL Subscription
Understanding the Basics of the RHEL Package Manager
Understanding Package Repositories
Creating a Local Repository
Creating Your Own Web Based Repository
Working with Security Updates
Working with Modules
Configuring Timezones in Linux
Managing Linux Services Including Chronyd
Editing Configurations Using sed
Editing the chrony.conf
Using Chronyc Tools
Understanding Systemd Targets
Using Default Targets
Working with Kernel Arguments
The 3 Job Schedulers in RHEL 8
Working with At
Understanding Cron
Working with Cron
Using SystemD Timer Units
How Does This System Reboot
Working with Shutdown and Options
Restricting User Login
Rebooting and Poweroff
Resetting Lost Root Passwords
Understanding SELinux Context
Editing the Boot Process
Recovering a Lost Root Password
Systemd and Systemctl
The Basics of Systemctl
Working with Socket Units
Understanding Editing and Masking of Units
Working at the CLI to List, Edit, and Mask Services
Working with Systemd Targets
How Uptime Shows System Load
Working with Top and Uptime
Understanding Process Priority
Tuning Process Using Nice and Renice
Understanding Process Status and Tuning Profiles
Working with Ps and Tuned-adm
Introducing System Logs
Simple Log Actions
Understanding Rsyslogd
Demo: Rsyslogd
Using Logrotate at the CLI
Working with the Journal Log
Secure Copy with SCP
Managing Local Storage: Block Devices
Listing Block Devices and Drivers
What are Loop Devices
Mounting ISO Files
Adding Disks to Systems
Creating Disk Files
Using dd and fallocate from the CLI
Understanding Disk Partitioning
Partitioning with fdisk
Partitioning with parted
Working with Filesystem UUIDs
Persisting the setup
Working with Systemd to Persist Loop Devices
Creating LVM Partitions
Using LVM Tools
Managing LVM2
Creating LVM2 systems from the Command Line
Dynamic Volumes
Extending Volume Groups and Volumes
239. Managing Swap Logical Volumes
Managing File Systems in RHEL 8
Managing XFS File Systems
Understanding EXT4 File Systems
Working with EXT4 File Systems
Securing Mount Points Correctly
Extending File Systems and Logical Volumes
Managing Filesystem Collaboration
Working with Special Permissions and Find
Managing Linux Groups
Working with the Sticky Bit
Working with the SGID Bit on Directories
Setting up Two Lab Systems
Understanding NFSv4
Firewalling and Exporting NFS
Understanding NFS. Part2
NFS. Part 3
NFT. Part 4
Using the NFS Client
Using Autofs
SELinux and NFS
What Is VDO
Installing and Using VDO
Mounting and Monitoring VDO Devices
Managing Volume Size
Welcome to Layered Storage and Stratis
Creating Stratis Pools
Creating Filesystems in Stratis
Snapshotting Filesystems in Stratis
What Are Shell Scripts
Using Script Syntax at the CLI
Understanding Script Logic
Using Simple Logic at the CLI
What Is a Shebang and Why Do I Want to Know
Implementing the Shebang
Working with vim Abbreviations
Working with PATH and Execute Permissions
Special Variables
Using Special Variables in Scripts
Testing User Input
Ensure User Is Not Already Present
Using Read During Script Execution
Creating User Accounts
Creating Better Scripts
Comparing All Arguments
Using while Loops.mp4
Implementing Functions within Scripts

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Administration of Red Hat Enterprise Linux

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The syllabus

Essential Linux Tools. Part 1

Working with Files. Part 1

VIM Editor

Bash Shell. Processes and Scheduling. Essential Linux Tools. Part 2.

Managing Software Packages

Networking Basics

PART II. Red Hat Enterprise Linux 8 System Administration. Manage Local users

PART II: Linux File System Permisions

PART II: Monitoring and Managing Linux Processes

PART II: Controlling Services and Daemons

PART II: Configuring and Securing SSH

PART II: Analyzing and Storing Logs

PART II: Archiving and Transfering Files

PART III: Scheduling Future Tasks

Part III: Tuning System Performance

Part III: Controlling Access to Files with ACLs

Part III: Managing Storage

PART III: Controlling and Troubleshooting the Boot Process

PART III: Managing Networking. Part 2

PART III: Hands-On Scripting Step-by-Step

Part IV: Building Lab with Vagrant

Part IV: Starting with Ansible

Part IV: Red Hat Linux Automation with Ansible

Part IV: Starting with Git

Part V: Hands-on Demonstrations, Recaps and Extras

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