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Python 3 Network Programming - Build 5 Network Apps
[Python 101] Python 3 - Basics
How to Install Python 3 on Windows (2:57)
How to Install Python 3 on macOS (2:35)
UPDATE! Python Versions
The Python Interpreter & IDLE in Windows (3:19)
The Python Interpreter & IDLE in macOS (2:35)
Python 3 Basics - Scripts in Windows (3:58)
UPDATE! Saving a Python script in Notepad++
Python 3 Basics - Scripts in macOS (4:21)
Python 3 - Reasons for the 'No such file or directory' error (or similar) (5:07)
Python 3 Basics - User Input (3:57)
Notebook - User Input
Python 3 Basics - Variables (6:19)
Notebook - Variables
Python 3 Basics - Keywords
Python 3 - Data Types (1:51)
Useful links in this section
[Python 101] Python 3 - Strings
Why learn all the Python topics below before building the network apps? (3:04)
Python 3 Strings - Introduction (6:57)
Python 3 Strings - Methods (8:54)
Python 3 Strings - Operators & Formatting (7:23)
Python 3 Strings - Formatting Using F-strings (2:25)
Python 3 Strings - Slices (7:42)
Python 3 Strings - Slicing Using a Step (4:08)
Notebook - Strings
Useful links in this section
[Python 101] Python 3 - Numbers and Booleans
Python 3 Numbers - Math Operators (6:15)
Notebook - Numbers and Math Operators
Python 3 Booleans - Logical Operators (5:58)
Notebook - Booleans and Logical Operators
Useful links in this section
[Python 101] Python 3 - Lists
Python 3 Lists - Introduction (3:42)
Python 3 Lists - Methods (8:27)
Python 3 Lists - Slices (5:40)
Notebook - Lists
Useful links in this section
[Python 101] Python 3 - Sets
Python 3 Sets - Introduction (3:21)
Python 3 Sets - Methods (2:51)
Python 3 Sets - Frozensets (3:04)
Notebook - Sets and Frozensets
Useful links in this section
[Python 101] Python 3 - Tuples
Python 3 Tuples - Introduction (4:48)
Python 3 Tuples - Tuples vs. Lists (2:50)
Python 3 Tuples - Methods (3:25)
Notebook - Tuples
Useful links in this section
[Python 101] Python 3 - Ranges
Python 3 Ranges - Introduction (4:06)
Python 3 Ranges - Methods (2:40)
Notebook - Ranges
Useful links in this section
[Python 101] Python 3 - Dictionaries
Python 3 Dictionaries - Introduction (3:11)
Python 3 Dictionaries - Methods (6:25)
Python 3 - Conversions Between Data Types (6:51)
Notebook - Dictionaries and Conversions Between Data Types
Useful links in this section
[Python 101] Python 3 - Conditionals, Loops and Exceptions
Python 3 Conditionals - If / Elif / Else (15:20)
Notebook - If / Elif / Else Conditionals
Python 3 Loops - For / For-Else (8:42)
Notebook - For / For-Else Loops
Python 3 Loops - While / While-Else (6:05)
Notebook - While / While-Else Loops
Python 3 Nesting - If / For / While (10:10)
Notebook - Nesting
Python 3 - Break / Continue / Pass (7:40)
Notebook - Break / Continue / Pass
Python 3 - Exceptions (2:27)
Python 3 - Try / Except / Else / Finally (9:42)
Notebook - Try / Except / Else / Finally
Useful links in this section
[Python 101] Python 3 - Functions and Modules
Python 3 Functions - Basics (9:51)
Python 3 Functions - Arguments (8:03)
Notebook - Functions - Basics
Python 3 Functions - Namespaces (10:48)
Python 3 Modules - Importing (11:30)
Python 3 Modules - Helpful Functions: dir() and help() (2:20)
Notebook - Modules and Importing
Python 3 Modules - Installing a Non-Default Module in Windows (3:54)
Python 3 Modules - Installing a Non-Default Module in macOS
Useful links in this section
[Python 101] Python 3 - File Operations
Python 3 Files - Opening & Reading (12:10)
Python 3 Files - Quick Note for Windows Users (2:49)
Python 3 Files - Additional Way of Avoiding the Unicode Error (1:38)
Python 3 Files - Writing & Appending (7:46)
Python 3 Files - Closing. The "with" Method (2:28)
Python 3 Files - Access Modes Summary
Notebook - File Operations
Useful links in this section
[Python 101] Python 3 - Regular Expressions
Python 3 Regex - match() & search() (16:24)
Python 3 Regex - findall() & sub() (6:17)
Python 3 Regex - Regular Expressions Summary
Notebook - Regular Expressions
Bonus Video: Special Sequences (6:01)
Bonus Video: Sets of Characters (5:07)
Bonus Video: OR in Regular Expressions (3:48)
Bonus Video: split() & subn() (3:33)
Bonus Video: Additional Regex Syntax Elements (4:45)
Bonus Video: AttributeError: 'NoneType' object has no attribute (3:34)
Useful links in this section
[Python 101] Python 3 - Classes and Objects
Python 3 Classes - Objects (11:45)
Python 3 Classes - Inheritance (6:19)
Notebook - Classes and Objects
Useful links in this section
[Python 101] Python 3 - Advanced Concepts and Tools
Python 3 - List / Set / Dictionary Comprehensions (4:54)
Notebook - List / Set / Dictionary Comprehensions
Python 3 - Lambda Functions (4:40)
Notebook - Lambda Functions
Python 3 - map() and filter() (2:29)
Notebook - map() and filter()
Python 3 - Iterators and Generators (6:48)
Notebook - Iterators and Generators
Python 3 - Itertools (5:43)
Notebook - Itertools
Python 3 - Decorators (2:37)
Notebook - Decorators
Python 3 - Threading Basics (5:36)
Notebook - Threading Basics
Python 3 - Coding Best Practices (2:36)
Useful links in this section
[APP] Setting Up the Working Environment
Network Setup Overview (1:27)
Installing the Virtualization Software (1:37)
Installing the Virtualization Software on Windows, Linux, macOS
Downloading & Installing the Network Device VM (2:16)
Note about Arista vEOS versions
Signing Up to the Arista Software Download Portal
Importing the VM & Tweaking the VM Settings (3:08)
UPDATE! vEOS First Boot and the ZeroTouch Feature
Connecting the Local PC to the Devices in Windows (4:52)
Connecting the Local PC to the Devices in macOS
Necessary Switch/Router Configuration
Checking the SSH Configuration and Testing the Connectivity (3:03)
UPDATE! Putty asking for Host Key / Password
Any Connection Issues? Check Out This Troubleshooting Checklist!
[APP] Network Application #1 - Reading / Writing Device Configuration via SSH
Planning the Application (5:46)
Logical Flow Diagram
Checking IP File Validity (4:09)
Notebook - Checking IP File Validity
Checking IP Address Validity (12:51)
Notebook - Checking IP Address Validity
Checking IP Address Reachability (3:57)
Notebook - Checking IP Address Reachability
Note about pinging in Windows vs. Mac OS / Linux
Checking Username/Password File Validity (1:45)
Notebook - Checking Username/Password File Validity
Checking Command File Validity (1:09)
Notebook - Checking Command File Validity
Establishing the SSH Connection (13:13)
Notebook - Establishing the SSH Connection
Enabling Simultaneous SSH Connections (2:13)
Notebook - Enabling Simultaneous SSH Connections
Putting Everything Together (2:56)
Download the Full Code - Network Application and Modules
Reading Device Configuration (9:19)
Extracting Network Parameters (12:13)
Configuring Multiple Devices Simultaneously (2:58)
Useful links in this section
[APP] Network Application #2 - Building an Interactive Subnet Calculator
What Are We Going to Build? (2:44)
Planning the Application (2:11)
Logical Flow Diagram
Checking IP Address and Subnet Mask Validity (5:08)
Notebook - Checking IP Address and Subnet Mask Validity
Converting to Binary. Calculate Hosts per Subnet. Wildcard Masks (12:34)
Notebook - Converting to Binary. Calculate Hosts per Subnet. Wildcard Masks
Converting to Binary. Find the Network and Broadcast Addresses (10:50)
Notebook - Converting to Binary. Find the Network and Broadcast Addresses
Random IP Address Generation Algorithm (8:23)
Notebook - Random IP Address Generation Algorithm
Testing the Application (4:11)
Download the Full Application Code
[APP] Network Application #3 - Extracting Network Parameters & Building Graphs
Planning the Application (2:12)
Logical Flow Diagram
Connecting to the Network Device via SSH (6:17)
Notebook - Configuring the Arista Switch for SSH Connectivity
Extracting the CPU Utilization Value and Saving It to a Text File (7:51)
Notebook - Extracting the CPU Utilization Value and Saving It to a Text File
Polling the Switch Every 10 Seconds (2:51)
Notebook - Polling the Switch Every 10 Seconds
Matplotlib - Building the Switch CPU Utilization Graph (5:57)
Notebook - Matplotlib - Building the Switch CPU Utilization Graph
Testing the Application (4:43)
Download the Full Code - Network Application, Graph Building Script and Modules
Useful links in this section
[APP] Network Application #4 - Building a Basic Network Packet Sniffer
Planning the Application (3:13)
Logical Flow Diagram
Setting Up a Linux VM in VirtualBox (4:46)
Notebook - Downloading the Linux VM
Configuring the Linux VM (9:42)
Notebook - Configuring the Linux VM - Make Sure You Follow These Steps
Meeting Scapy (10:08)
Notebook - Meeting Scapy
Importing the Necessary Modules (3:26)
Notebook - Importing the Necessary Modules
Asking the User for Input: Interface, Number of Packets, Interval, Protocol (6:32)
Notebook - Asking the User for Input
Extracting Parameters from Packets and Writing to a Log File (4:49)
Notebook - Extracting Parameters from Packets and Writing to a Log File
Testing the Application - Running the Sniffer and Filtering Packets by Protocol (7:20)
Notebook - Running the Sniffer
Download the Full Application Code
[APP] Network Application #5 - Config File Management and E-mail Notifications
Planning the Application (3:22)
Logical Flow Diagram
Importing the Modules and Defining the Necessary Parameters (3:48)
Notebook - Installing Necessary Modules and Official Documentation
Notebook - Importing the Modules and Defining the Necessary Parameters
Connecting to the Arista Switch via SSH using Netmiko (1:51)
Notebook - Connecting to the Arista Switch via SSH Using Netmiko
Handling the Configuration Files and Extracting the Configuration Changes (6:03)
Notebook - Extracting the Configuration Changes
Sending E-mails to the Network Admin with Device Configuration Changes (3:44)
Notebook - Sending E-mails to the Network Admin
Creating a Schedule for Sending E-mails on a Daily Basis in Linux (5:15)
Notebook - Creating a Schedule for Sending E-mails
Testing the Application (5:15)
Download the Full Application Code
Useful links in this section
[BONUS] Running Python Code via Remote Servers
Running CLI Commands via a Remote Server (7:20)
Running a Local Python Script via a Remote Server (2:37)
Running a Remote Python Script via a Remote Server (2:25)
Notebook - Running Python Code via Remote Servers
Useful links in this section
Any Connection Issues? Check Out This Troubleshooting Checklist!
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