DevLinux

Ansible# 15 - Register in Variables Output from System Commands - register and Python List

Ansible# 14 - Variables and their Scopes in Ansible Playbook - Ansible Facts and Module setup

Ansible# 13 - Deploy a Webpage and Restart Apache Server - copy and service modules

Ansible# 12 - How to create an Ansible Provisioning User Account with sudo Access

Ansible# 11 - Copy and Fetch Modules - Copy Directories Recursively and Copy Files from Remote Hosts

Ansible# 10 - Copy Module to Copy Files and Directories on Remote Servers - Exampes of File Module

Ansible# 9 - File Module and Copy Module to Work with Files and Directories in Ansible

Ansible# 8 - How to Use Ansible Configuration File and Specify a Default Inventory

Ansible# 7 - How to Design an Ansible Playbook and Create Multiple Plays and Tasks

How to tell if it is a Physical Server or Virtual Machine - VM? - dmidecode command shows BIOS Info

Ansible# 6 - How to Gather Facts and Variables about Local Host and Remote Hosts - Module facts

How to Install a Linux Package Directly off the Internet - wget, yum and AHA HTML Converter

How to check time zone and set a timezone on a Linux system - timedatectl

How to Recreate Home Directory with Default Files and Shell Environment - mkdir and mkhomedir_helper

Ansible# 5 - Get help on Ansible Modules and Plugins - Online Help and Offline Help - ansible-doc

Bash Shell Scripting - Topic# 15 - Debugging a Shell Script

Bash Shell Scripting - Topic# 7 - Using Conditional Statements - Multiple "If... Else If..."

Systemd vs Init Process in Linux - A Quick Overview of systemd and init Processes and systemctl

Ansible# 1 - Setup YUM Repositories to Install Ansible and Verify the Setup

Ansible# 4 - How to Write an Ansible Playbook and Check it for Syntax Errors and Capture Output

Bash Shell Scripting - Topic# 1 - Writing and Executing a Simple Shell Script

Bash Shell Scripting - Topic# 19 - Size of Variables and Arrays and Tests

How to Add Spare Disks and Create Satandard Partitions and Logical Volumes and Format Disks in Linux

Bash Shell Scripting - Topic# 16 - I/O Redirection, File Descriptors, & Logging

Ansible# 3 - Run Linux Commands on Remote Host using Ansible Ad-Hoc Commmand Modules command & shell

Extras# 8 - VirtualBox: Installing Red Hat Enterprise Linux 7.x on Virtual Machine (VM)

How to Disable News and Interests icon on Windows Task Bar

How to setup a Virtual Machine with Red Hat Enterprise Linux 8 or CentOS 8

How to Setup an IP on Your Linux Host - NetworkManager

How to Combine Multiple Commands & Save Ouput in Files - Piping, Output Redirection, and tee Command

How to restore an ssh connection - sshd service

Ansible# 2 - Run System Commands on Remote Hosts with Passwordless Authentication through SSH

How to Test a Linux Host for Internet Connectivity - Use Google's DNS Servers

Bash Shell Scripting - Topic# 18 - Grouping Commands & Shell Levels

Extras# 7 - VirtualBox: Installing CentOS 6.x on a Virtual Machine (VM)

Extras# 2 - VirtualBox: Installing Guest Additions in VM

How to Clone a VM and Export it as an Appliance for Sharing and Distributing

Bash Shell Scripting - Topic# 12 - Looping Through Positional Parameters Using "shift"

Bash Shell Scripting - Topic# 13 - Using Arrays in Bash

How to troubleshoot High RAM and SWAP Memory Utilisation - top, uptime, free, ps, kill, pkill, /proc

Extras# 9 - VirtualBox: Exporting a Virtual Machine (VM) as an Appliance

Bash Shell Scripting - Topic# 11 - Using a Loop to Repeat a Block or Set of Commands- While & Until

Bash Shell Scripting - Topic# 9 - Using Conditional Statements - Switch Case

Bash Shell Scripting - Topic# 20- dirname and basename Commands and Variables Substring

How to execute a job or command at a future date and time - at command

Extras# 5 - VirtualBox: Copying a VM or Guest OS and Fixing MAC Address & Disk UUID Issues

How to Enable All Linux Yum Repositories - yum-config-manager yum repolist yum info

Bash Shell Scripting - Topic# 6 - Using Conditional Statements - "If... Else... Then..."

Bash Shell Scripting - Topic# 5 - File & Directory Test Operators

Extras# 1 - Creating a Virtual Machine Using VirtualBox

How to change hostname of Linux system - hostnamectl nmcli