The blog post explains the concept of Virtual Private Clouds (VPCs) in Amazon Web Services (AWS), detailing their necessity due to issues like IP address conflicts and security risks associated with shared networks. It describes h...
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The blog post provides a comprehensive overview of OAuth, a protocol designed to allow third-party applications to access user data without sharing passwords. It explains the OAuth flow using YNAB and Chase Bank as examples, detai...
The post provides additional insights on Amazon VPCs, highlighting the evolution of security groups as a solution to network conflicts. It discusses the transition from public IP address conflicts among different companies to inte...
The post introduces Gaussian elimination and the concepts of row and column pictures in linear algebra. It explains how to solve linear equations using examples involving nickels and pennies, as well as food items like milk and br...
The blog post discusses the concept of 'warm' and 'cool' blues in watercolor painting, sparked by a local artist's advice to use ultramarine as a warm blue. The author conducted an Instagram poll to gauge public opinion on which b...
This blog post is part of a series on AWS Networking, focusing on route tables. It explains how to connect a subnet to an internet gateway using route tables, which map destination IP addresses to targets. The post covers the crea...
5.1Old man yells at subnets
2025-02-19 • networking aws vp terraform
The text explains the concept of Virtual Private Clouds (VPCs) in AWS, emphasizing their role as protective networks for instances. It discusses the necessity of an internet gateway (IGW) to allow communication with the internet, ...
This blog post discusses the importance of configuring security groups and Network ACLs (NACLs) for connecting an EC2 instance to the internet on AWS. It explains the difference between security groups, which operate at the instan...
4.8AWS in Terraform
2025-07-01 • networking aws ec2 spot instances cloud vendors terraform
The blog post provides a comprehensive guide on setting up networking for AWS using Terraform. It covers the creation of a public IP address for an EC2 instance, the importance of Elastic IPs, and includes detailed Terraform code ...
The text explains the concept of the dot product in linear algebra through practical examples. It begins with a personal anecdote about choosing a city to live in, illustrating how to use weighted scores for different criteria (li...
4.5The CIDR House Rules
2025-03-22 • networking aws vp cloud vendors cidr
This chapter focuses on CIDR notation, which allows the specification of a range of IP addresses rather than a single address. It explains the structure of an IP address, the significance of the CIDR suffix, and how CIDR notation ...
This post introduces a series aimed at simplifying AWS networking concepts for users looking to deploy applications on AWS. It emphasizes the importance of understanding key networking terms such as VPCs, subnets, security groups,...
Maintaining a 'tada list' helps recognize daily accomplishments but can also create pressure and lead to burnout over time.