ITNotes - Page 21 of 25 - From Terminal to Cloud

Self-Host Nextcloud on a VPS: A SysAdmin’s No-Nonsense Guide

March 10, 2026

Stop relying on third-party cloud storage. This guide walks you through setting up your own secure Nextcloud instance on a Virtual Private Server, from a 5-minute Docker start to a full manual installation and hardening.

DevOps

A Practical Guide to Your First CI/CD Pipeline with GitLab CI

March 10, 2026

Stop deploying code manually. Learn how to automate your builds, tests, and deployments by setting up a practical CI/CD pipeline with GitLab CI, from installing a runner to configuring your first .gitlab-ci.yml file.

Programming

Redis Data Caching: A Beginner’s Guide to Speeding Up Your Application

March 9, 2026

Struggling with a slow application? Learn how to implement Redis for data caching. This guide walks you through the concepts, setup, and a practical Python example to significantly boost your app's performance.

Networking

A Practical Guide to Configuring a Linux Firewall: iptables vs. nftables

March 9, 2026

Secure your new Linux server by setting up a firewall. This guide explains why a firewall is essential, compares the classic iptables with the modern nftables, and provides a production-ready nftables configuration to get you started.

HomeLab

Proxmox VE: The Free Virtualization Alternative to VMware You Should Be Running

March 9, 2026

Proxmox VE is a free, open-source hypervisor that combines KVM virtual machines and LXC containers in a single web interface — no license required. This guide covers installation, VM creation, snapshots, clustering, and GPU passthrough with real command examples.

HomeLab

VPS Providers Compared: AWS vs DigitalOcean vs Vultr vs Hetzner (2024 Guide)

March 9, 2026

Comparing AWS, DigitalOcean, Vultr, and Hetzner across price, performance, and real-world usability. Includes benchmarking scripts, Terraform examples, and a practical decision matrix to help you choose the right VPS provider for your project.

HomeLab

Self-Hosting Guide: Run Bitwarden, Gitea, and Uptime Kuma on Your Own Server

March 9, 2026

Set up Vaultwarden, Gitea, and Uptime Kuma on your own server using Docker Compose. No vendor lock-in, no monthly fees for tools you can run yourself — just your data, on your hardware. A practical starting point for developers who want real homelab experience beyond the tutorial level.

DevOps

How to Write an Efficient Dockerfile: Tips from Real-World Experience

March 9, 2026

Writing an efficient Dockerfile goes beyond just making it work — it directly impacts build speed, image size, and production security. This guide covers the practical tips I use daily: multi-stage builds, layer caching, minimal base images, and common mistakes to avoid.

Linux

Automated Backup with rsync and cron: Stop Losing Data the Hard Way

March 8, 2026

Manual backup routines break down under real workload pressure — not from laziness, but from how humans actually work. This guide covers how to pair rsync with cron for a reliable automated backup system on Linux, including incremental transfers, SSH remote sync, versioned copies, and a production-ready script with logging.

Linux

Bash Shell Scripting for Beginners: Automate Your Way Out of Production Chaos

March 8, 2026

A bash scripting guide built around real production problems: disk alerts at 2 AM, services going down, logs eating your storage. Learn variables, conditionals, loops, and functions through a working health check script you can actually deploy.

Self-Hosting Email with Mailcow: A 6-Month Production Reality Check

OLAP vs OLTP: Why Your Analytical Queries are Killing Production

Self-Host Your Own ChatGPT: A Pro Guide to Open WebUI and Docker

Ditch the VM Weight: High-Performance Container Management with LXC/LXD

Zustand vs Redux: Managing React State After 6 Months in Production

Python Decorators: Slashing Boilerplate with Logging and Auth

Ditch the Filing Cabinet: Self-Hosting Paperless-ngx on Docker

Kubernetes Resilience: Hardening Your Cluster with Chaos Mesh

n8n + AI: Scaling Production-Grade Automation Without the Code Bloat

Build a Private Speed Test Server with LibreSpeed and Docker

Self-Host Nextcloud on a VPS: A SysAdmin’s No-Nonsense Guide

A Practical Guide to Your First CI/CD Pipeline with GitLab CI

Redis Data Caching: A Beginner’s Guide to Speeding Up Your Application

A Practical Guide to Configuring a Linux Firewall: iptables vs. nftables

Proxmox VE: The Free Virtualization Alternative to VMware You Should Be Running

Self-Hosting Guide: Run Bitwarden, Gitea, and Uptime Kuma on Your Own Server

How to Write an Efficient Dockerfile: Tips from Real-World Experience

Automated Backup with rsync and cron: Stop Losing Data the Hard Way

Bash Shell Scripting for Beginners: Automate Your Way Out of Production Chaos