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Articles from stack8s on sovereign AI, hybrid cloud architecture, and practical GPU economics.

27 Nov 20242 min read

Adding an Application to ArgoCD Apps or Apps

Adding a simple FastAPI Python app as part of an App of Apps setup in ArgoCD involves several steps. Here’s a step-by-step guide to achieve this: 1. Create Your FastAPI Application * Ensure your FastAPI app is structured with a Dockerfile for containerization and a Kubernetes manifest for deployment. Directory structure for the FastAPI app: fastapi-app/ ├── app/ │ ├── main.py # Entry point for FastAPI │ ├── ... ├── Dockerfile # For building the FastAPI app container ├──

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05 Nov 202412 min read

Case Study: How AWS Direct Connect and VPC-to-VPC Routing Work: Timelines, Costs, and Challenges Explained

Connecting an on-premises data center to AWS services is a critical step for many businesses embracing hybrid cloud. AWS Direct Connect offers a dedicated, private connection that ensures consistent, high-speed access to AWS, bypassing the public internet. Paired with VPC-to-VPC routing, you can build a robust infrastructure for seamless data flow between environments. But how long does it really take to set up this connection, and what are the cost implications? In this post, we’ll break down

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08 Aug 20242 min read

Continuous Delivery done Right - Guest talk by Dave Farley

Continuous Delivery: The Path to Modern Software Engineering - Insights from Dave Farley In a recent talk, Dave Farley, a prominent figure in the software development industry, shared his extensive experience and insights on continuous delivery (CD) and its significance in modern software engineering. Farley, known for his influential book "Continuous Delivery," discussed the evolution of software practices and the importance of CD in defining state-of-the-art software development. The Essen

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10 Jul 20242 min read

Unlocking Knowledge with RAG: Powerful AI Applications for Business (hands on demo)

Mr. Erik Rivera shared insights on RAG, combining retrieval-based and generation-based methods for accurate AI responses through a hands-on demo.

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21 Jun 20242 min read

The Power of Resilience in Engineering

Talk by Prof. Yara Cecilia Almanza (Directora Asociada del Posgrado de Nanotecnología, Tecnológico de Monterrey) As engineers, we often face complex problem-solving, innovation, and implementation of solutions that require challenging environments. In this talk, Prof. Yara Cecilia Almanza Arjona highlighted the critical role of resilience in engineering. Resilience is not just about bouncing back from mistakes, but also about learning from them and building our mental strength. When we make mi

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19 Jun 20244 min read

VMware Price Shock: Are You Stuck Too?

Introduction VMware's recent price hikes have left many enterprises in a bind. If your organization is feeling the pinch, it's time to look into scalable alternatives that offer enterprise-level virtualization without the high costs. Here's a detailed guide to hypervisor alternatives and how Stack8s can help you avoid vendor lock-in. Understanding the VMware Price Increase What Happened? Broadcom's acquisition of VMware has led to significant price increases, especially for smaller Managed

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19 Jun 20243 min read

Get linux packages from Zabbix Monitoring

To get Zabbix to send a list of all installed Linux packages along with their versions, you'll need to use custom scripts and user parameters to gather this information and then create an item and a trigger in Zabbix. Here’s a step-by-step guide to achieve this: Step 1: Create a Script to List Installed Packages Create a script on your Linux machine that lists all installed packages with their versions. Here’s an example script for both Debian-based and RPM-based distributions: For Debian-ba

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10 Jun 20242 min read

The Importance of Session State When Creating a Streamlit Applications for AI/ML

Session state is crucial when developing applications with Streamlit for several reasons. Streamlit is a powerful framework for building interactive, data-driven web applications in Python. However, it operates with a stateless architecture, meaning each interaction with the app (like a button click or slider change) triggers a complete rerun of the script. Without session state management, maintaining user-specific data across these interactions can be challenging. Here’s why session state is i

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03 May 20242 min read

Airflow in Kubernetes with GitOps and CI/CD for Big Data ETL

Deploying Airflow in Kubernetes with GitSync involves using GitSync to automatically synchronize Airflow DAG definitions stored in a Git repository with the Airflow deployment running in Kubernetes. Here's a step-by-step guide to deploy Airflow in Kubernetes with GitSync: Set Up Kubernetes Cluster: Deploy and configure a Kubernetes cluster where you'll run Airflow. You can use managed Kubernetes services like Amazon EKS, Google Kubernetes Engine, or self-managed solutions like kops or kubeadm.

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