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RHEL Basics #2: Setup — Installing RHEL 9, Subscription Manager, First Login
Grab the RHEL 9 ISO via Developer Subscription, build a VM in UTM or VirtualBox, walk through the Anaconda installer, register with subscription-manager, and clean up the small post-install items (hostname / time / dnf update / sudo user) — all in one pass.
Docker Basics #3: Images and Containers — build, run, ps, logs, exec
The day-to-day Docker CLI commands in one place. build options, the run flags you actually use (-d, --name, --rm, -e), and the lifecycle that runs through ps , logs , exec , stop , rm.
Modern React + Next.js #6 Server Actions and Forms (Wrap-up)
Use Server Actions to handle form submission and server-data mutation simply, polish the UX with useActionState/useFormStatus, and reflect on the series.
RHEL Basics #1: What Is RHEL — From Fedora to RHEL, plus AlmaLinux and Rocky Linux
Fedora is where new technology gets tried first; what survives flows into RHEL. CentOS Stream sits in the middle as a preview of the next RHEL, and AlmaLinux and Rocky Linux have settled into the role of free RHEL-compatible distros. Here's the shape of the RHEL ecosystem after CentOS, in one read.
Docker Basics #2: Writing Your First Dockerfile — FROM, RUN, COPY, CMD
Building your first image for your own app. Pick a base with FROM, prepare the environment with RUN, drop in code with COPY, and pin a startup command with CMD. One full cycle, on a tiny Python app.
Modern React + Next.js #5 Loading with Suspense and use()
Streaming that shows parts as they become ready, Suspense boundaries, loading.js, and the newly stabilized use() hook.
A History of Computer Viruses and Ransomware
Traces how malware evolved from pranks into organized crime, following a chronological path from the first self-replicating program in 1971 to the WannaCry ransomware outbreak in 2017.
Docker Basics #1: What Is a Container — VM vs. Docker Ecosystem
Why Docker — how containers differ from virtual machines, why Docker emerged, and a tour of the Docker ecosystem built around Engine, CLI, Compose, and Hub.
Modern React + Next.js #4 Data Fetching and Caching
Fetching data directly in Server Components with async/await, plus how Next.js caches and revalidates.
Modern React + Next.js #3 Server Components vs Client Components
How the two component types differ, how the 'use client' directive draws the boundary, and how to mix them effectively.
Modern React + Next.js #2 Getting Started with Next.js and the App Router
Create a Next.js project and get hands-on with the App Router — file-based routing, the layout system, and nested layouts.
Modern React + Next.js #1: Why Next.js and Server Components
The limits of client-side React, the problems Server Components solve, and the differences between CSR, SSR, and RSC.