In the context of data processing and DevOps, “pipelines” are sequential processes like assembly lines that automate tasks (building, testing, and deploying code) and “building blocks” are the modular components that make up the pipeline, performing specific tasks. Here’s a more detailed explanation: Data Pipelines: A data pipeline is a system of automated processes that move Read More …
Category: Notes
Sometimes I have to quick learn things. This is those collection of notes.
Incident Response Tabletop Idea
This is a scenario based incident response tabletop that I worked on with a colleague. I wanted to share with the world, as I have had immense success with this. It amazes me how a simple dice roll, really draws people in to the event. It sounds silly, but the sense of chance adds so Read More …
Notes – Use Templates And Keep It DRY
To “Use Templates And Keep It DRY” means to leverage templates or reusable structures and to avoid code duplication by implementing a principle of abstraction that promotes code efficiency and maintainability. Here’s a breakdown of the concept: Templates: These are reusable structures, such as code snippets, document layouts, or organizational frameworks that can be used as Read More …
Notes – Cost Effectiveness & Specialized Hardware
Specialized hardware can enhance cost-effectiveness in specific applications, offering optimized performance and reduced expenses when compared to general-purpose solutions, but the decision depends on the specific needs and application. Here’s a more detailed breakdown: Why Specialized Hardware Can Be Cost-Effective: Optimized Performance: Specialized hardware is designed for particular tasks, enabling them to perform those tasks Read More …
GRE Tunnels in Modern Networking
In the world of modern networking, flexibility, security, and efficiency are paramount. As the Internet continues to evolve, so do the methods by which data is transmitted across complex infrastructures. One such method is the use of Generic Routing Encapsulation (GRE) tunnels. In this article, we’ll explain what a GRE tunnel is, how it works, Read More …
Notes – AWS Systems Manager Session Manager
Session Manager is a fully managed AWS Systems Manager tool. With Session Manager, you can manage EC2 instances, edge devices, on-premises servers, and VMs. You can use either an interactive one-click browser-based shell or the AWS Command Line Interface. Session Manager provides secure node management without the need to open inbound ports, maintain bastion hosts, Read More …
Responsive Web Design
Definition 1 Responsive web design is the process of designing a mobile-friendly website that adapts depending on the visitor’s device–desktop, tablet, smartphone. Developers use CSS media queries to set breakpoints for each screen size so that users can browse a website within the constraints of their device. Definition 2 Responsive Web Design is an approach to Read More …
Quick Note :: Attribute Based Access
We then end up with two main classifications of access control: Role-Based Access Control (RBAC). Define the role for the access to data, eg Policy = Subject (AND/OR) Role –> Permissions. Attribute-Based Access Control (ABCL). Define attributes eg Policy = User (role, nationality) AND/OR Resource (department, owner) AND/OR Action AND/OR Context (time, IP, location) -> Read More …
NOTES :: Retrieval Augmented Generation (RAG)
A solution model pattern in how to leverage large language models. Systems that use LLM but on their own content. Start Large language models can be inconsistent. Sometimes they nail the answer to questions, other times they regurgitate random facts from their training data. If they occasionally sound like they have no idea what they’re Read More …
NOTES :: Purdue Model
The Purdue Model The Purdue model is generally accepted as the standard for building an industrial control system (ICS) network architecture in a way that supports OT security, separating the layers of the network to maintain a hierarchical flow of data between them, and as such, reflects the baseline architecture requirements for many industrial control Read More …