IT Foundations
Covers concepts and operational standards of virtualization, containers, storage, and enterprise IT infrastructure.
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[Git and GitOps 06] Read History with HEAD, Graphs, diff and bisect
Inspect commit relationships and HEAD, compare changes and understand how bisect narrows a regression to a commit.
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[Git and GitOps 05] Make a First Commit with add, commit, status and diff
Follow changes through the working tree, staging area and commit history, checking each step with status and diff.
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[Git and GitOps 04] Install Git and Prepare a Repository on Ubuntu 24.04
Install Git on Ubuntu 24.04, configure identity and the initial branch, and prepare a working directory for the first commit.
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[Git and GitOps 03] Install Git and Prepare an Account on Rocky Linux 9
Install Git on Rocky Linux 9, configure the working account and verify the settings used for the first repository.
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[Git and GitOps 02] Install Git on Windows 11: PowerShell and Git Bash
Install Git on Windows 11 and check executable paths, identity settings and the differences between PowerShell and Git Bash.
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[Git and GitOps 01] Repositories, Commits and the Role of GitOps
Understand what Git records, how commits form history, and how a repository can become the source of desired deployment state.
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SAN and NAS Explained: Protocols, Performance, Redundancy and Backups
Compare block and file storage, SAN and NAS protocols, capacity and performance measures, and recovery and redundancy requirements.
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Eight Enterprise Virtualization Platforms and How to Compare Them
Compare the architecture and operating requirements of eight virtualization options, including storage, availability and migration planning.
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Virtual Machines and Containers: Architecture, Security, Deployment and Recovery
Compare VM and container boundaries, images, persistent data and recovery, and see how VMs and Kubernetes can be used together.