Posts tagged "devops"

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🚀 Getting Started with Docker: From Installation to Pushing Images to Docker Hub Part 1

If you're new to Docker or looking for a simple guide to go from setup to publishing your containerized app, this post is for you. In this tutorial, you'll learn how to: Install Docker on Ubuntu Buil...

29.04.2025 0 Read More

Exercise 01: Create and configure virtual networks

Skilling tasks Create a virtual network. Create a subnet. Configure vnet peering. To complete this lab you will need an Azure subscription with Contributor RBAC role assigned. In this lab, when you ar...

29.04.2025 0 Read More

02: Create and configure network security groups

Create the network infrastructure for the exerciseNote: This exercise requires the Lab 01 virtual networks and subnets to be installed. A template is provided if you need to deploy those resources.Sce...

29.04.2025 0 Read More

Exercise 03: Create and configure Azure Firewall

ScenarioYour organization requires centralized network security for the application virtual network. As the application usage increases, more granular application-level filtering and advanced threat p...

29.04.2025 0 Read More

What is a Stun server?

The direct peer to peer communication is often blocked by NATs that is Network Address translation, NATs hide device IP addresses behind the routers and for security and IP management.This creates a c...

29.04.2025 0 Read More

How to Monitor Everything That’s Not Just Your App (DNS, Email, APIs, DBs…)

Most devs monitor one thing: Is my app up? And while that’s a good start — it’s just the tip of the stack.If you’re not monitoring the services around your app, you’re flying blind.Here’...

29.04.2025 0 Read More

How I Cut Docker Build Time in Half Using Savepoints — And Built a CLI Tool in Go

“Do I really have to rebuild from scratch… again?” That was the thought that finally pushed me over the edge. 🚨 The Problem: Rebuilding the Unchanged If you’ve ever worked with a ...

29.04.2025 0 Read More

🔐 Just-in-Time Node Access in AWS Systems Manager Is Now General Availability — Secure, Time-Bound Access Done Right

AWS just made secure node access smarter and easier. With the general availability of Just-in-Time (JIT) Node Access in AWS Systems Manager, you can now give your teams temporary, policy-controlled a...

29.04.2025 0 Read More

The Role of the Product Owner vs. Scrum Master: Clearing Up Common Confusions

Introduction Agile teams thrive on clarity, collaboration, and a shared sense of purpose. Yet, confusion often surrounds two of the most critical roles: the Product Owner and the Scrum Mast...

30.04.2025 0 Read More

Configure Kubegreen to Sleep Pods on Weeknights and Shut Down on Weekends

Hi , I need help configuring a pod schedule using Kubegreen: Weekdays (Mon–Fri): Pods should sleep at 10 PM and wake up at 10 AM. Weekends (Sat–Sun): Pods should be completely shut down, and w...

30.04.2025 0 Read More

🚀 Getting Started with Docker: From Installation to Pushing Images to Docker Hub Part 1

Exercise 01: Create and configure virtual networks

02: Create and configure network security groups

Exercise 03: Create and configure Azure Firewall

What is a Stun server?

How to Monitor Everything That’s Not Just Your App (DNS, Email, APIs, DBs…)

How I Cut Docker Build Time in Half Using Savepoints — And Built a CLI Tool in Go

🔐 Just-in-Time Node Access in AWS Systems Manager Is Now General Availability — Secure, Time-Bound Access Done Right

The Role of the Product Owner vs. Scrum Master: Clearing Up Common Confusions

Configure Kubegreen to Sleep Pods on Weeknights and Shut Down on Weekends

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