Linux Bootcamp
Course Content
WEEK 1 – LINUX
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Why Linux is the Bedrock of DevOps Mastery
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Week 1 Agenda
03:23
DAY 1 – Getting Started with Linux
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Solution Part I: Creating SSH Key and Firewall -***
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Solution Part II: Launching a Linux Server with AWS Cloud -***
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Lab : Exploring Linux System Info -***
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Understanding Linux File Systems Hierarchy
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User Management in Linux -***
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Lab – Discovering Hardware Info -***
DAY 2 – Boot Process & Package Management
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Linux Boot Process Explained -***
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Configuring APT on Ubuntu
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Understanding LAMP Stack and Demo App
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Project 104AB: Install Web Server and Deploy a PHP App
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Project 104AC: Install an Application from Source
DAY 3 – Process Management
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Lab – Check System Load, Stats and Messages -***
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Explaining the output of Top Command
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Labs: Backgrounding and Foregrounding Processes
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Signalling Processes
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Project 104AD : Troubleshoot Misbehaving Processes
DAY 4 – Useful Commands
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Lab: Navigating files with ‘less’
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Editing with ‘vim’
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Lab : ‘find’ing Files
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Lab: Creating and Extracting Archives with ‘tar’
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What is ‘screen’ ? Why use it ?
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Lab: Using Screen as a Multiplexer
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Project 104AE: Autoconfigure Screen to Launch Monitoring Console
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Project 104AF: Measuring File Systems Performance with ‘dd’
Day 5 – Deploy Python, Go and NodeJS Apps
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Project 104AG: Deploy a Python Flask App
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Project 104AH : Deploy a NodeJS App
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Project 104AI – Deploy a Web App with Go
WEEK 2 – NETWORKING
DAY 6 – Networking Concepts
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Network Models – OSI vs TCP/IP
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Diving into the Network Stack with TCP/IP
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Repeaters, Bridges and Routers
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Looking inside a IP Packet / Datagram
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IP Addressing and CIDR
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What is NAT
DAY 7 – Building VPC
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Why DevOps Engineers Should Know How to Build a Virtual Private Cloud (VPC)
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AWS Cloud Regions and Availability Zones
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Understanding Key Virtual Private Cloud (VPC) Concepts
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Role of Route Tables to define Public and Private Subnets
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Project 104AJ: Design a Network with Custom CIDR Blocks to build a VPC.
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Solution 104AJ: Design a Network with Custom CIDR Blocks to build a VPC.
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Project 104AK: Create a VPC with Custom CIDR; Public/Private Subnets
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Solution 104AK : Create a VPC with Public/Private Subnets using custom CIDR Blocks
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Security Groups, NACLs and Flow Logs
DAY 8 – Network Configs
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Network Configuration Files on Ubuntu Linux
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DNS Configs
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IP Forwarding
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Lab: Configuring Firewalls with iptables
DAY 9 – Network Troubleshooting
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DAY 4 – Network Troubleshooting -***
DAY 10 – Additional Networking Projects
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Project 104AL: Connect Infrastructure in Two Regions with VPC Peering
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Project – Configure a NAT Gateway -***
DAY 11 – Linux File System
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File System Permissions
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Lab : SUID, SGID and Sticky Bits
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Project: Create and mount a Temp File System
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Lab : Disk Usage Analysis with the ‘du’ Command
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Lab: Exploring Disk Space with the ‘df’ Command
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Project : Swap File System on Linux
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Lab: Finding Which Files are Opened by Processes
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Lab: Creating Memory File System on Linux
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Project: Benchmarking Disk Performance on Linux with dd and hdparm
DAY 12 – SSH
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Why SSH is important ?
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Public Key Authentication with SSH
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Lab: Using SCP (Secure Copy) for File Transfer
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DAY 13 – Database Administration
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What Should a Devops Engineer know about Database Administration ?
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Project : Installing MySQL Server on Ubuntu 22.04 Server
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Project: Changing Root Password, Creating a Sample Database, and Granting Privileges in MySQL
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Project: Granting Remote Access to a MySQL Database
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Project: Backing Up and Restoring a MySQL Database
DAY 14 – SSL Certiicates
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Project: Obtain a Certificate withLets Encrypt and install it on an Apache web server.
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How to get a Free Domain Name ?
WEEK 4 – SCRIPTING AND OPERATIONS
DAY 16 – Shells & Scripting Basics
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Importance of Scripting in DevOps Amidst Infrastructure as Code Tools
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Unraveling Linux Shells
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Making a Case for Bash: Why Entry-Level DevOps Professionals Should Consider Bash over Python
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Lab – Getting Started with Bash Shell
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Lab : Working with Filters such as grep, sed, cut, sort, and uniq
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Lab: Using ‘grep’ for Text Filtering
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Lab: Streams, Pipes and Redirects
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Lab : Configuring the ~/.bashrc File
DAY 17 – Writing Shell Scripts
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Lab: Writing Your First Bash Script
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Lab: Accepting Arguments and Writing Functions
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Lab : Using Regular Expressions in Shell Scripts
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Lab: Text Manipulation with AWK and SED
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Essential Shell Scripting Commands Every DevOps Professional Should Know
DAY 18 – Sudo, CronJobs, Links
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Important of understanding Sudoers
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Project : Configure a user with Passwordless Sudo Access
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Understanding Cron Jobs for DevOps Engineers
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Understanding the Fields of a Crontab
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Project: Set up a CronJob to Clear Temp Dirs
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Symbolic and Hard Links
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Lab – Exploring Soft Link vs Hard Links
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ln, stat and find
DAY 19 – Logging
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The Importance of Log Management for a DevOps Engineer
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Locating Common Log Files on a Linux System
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Lesson: Understanding Syslog in DevOps
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Anatomy of a Linux System Log
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Understanding Log Rotation and Log Pruning in DevOps
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Project: Configure Log Rotation and Pruning for Syslog
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Project: Write an AWK Script to Generate Reports from Logs
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