How to Enable and Use CephFS on a Single-Node Ceph Squid Cluster
In my previous post, I set up: That setup is perfect for testing S3 object storage. But Ceph is more […]
Ceph
Hands-On DevOps & Homelab Experiments
From Kubernetes and Ceph to Proxmox, Kafka, Jenkins, Vault, Android, and CI/CD, every guide here is a tested, step-by-step walkthrough from my lab.
KVM, Proxmox
How to Install a Single-Node Proxmox VE 9 Lab on KVM (Nested Virtualization)
Sometimes you want to learn Proxmox, but you don’t want to dedicate a physical machine yet. The solution: run Proxmox
Ubuntu, ZFS
Install Ubuntu 24.04 Server on ZFS Root Mirror (RAID-1) via Autoinstall
In my previous post, I used: This time we’re going one step further: Install Ubuntu 24.04 on ZFS root with
HAProxy, Kafka
How to Install a 3-Node Kafka 4.1 Cluster on Ubuntu 24.04 with Per-Node HAProxy SSL Termination
Introduction In my previous post I showed how to run Kafka 4.0 + HAProxy on a single Ubuntu 24.04 node
Android App
Enable Android Developer Options, USB Debugging, and Wi-Fi ADB
Example device used below: Samsung Galaxy S21 (One UI). Other phones are nearly identical, the only difference is where Build
Android App
Windows 11 + PowerShell 7: Find adb.exe and Add It to User PATH
Goal: confirm where Android Studio installed the SDK, then add its platform-tools to your User PATH so adb works anywhere
Android App
Publish to Google Play with Gradle (GPP)
This guide creates a Google Cloud service account, generates its JSON key, invites that account in Play Console, wires up
Android App
Android App Signing — fast setup for solo vs team/open-source
TL;DR Your diff will look like this: Build Keep secrets out of version control by loading them from keystore.properties. keystore.properties
Android App
Google Play App Signing: Which Files Do You Actually Keep?
TL;DR: If Play App Signing is enabled (recommended), keep your upload keystore and its credentials. If it’s not enabled, keep
Android App
Google Play: Reuse Another App’s App-Signing Key
Goal: Make App A use the same Google Play app-signing certificate as App B.Not a merge: Packages, installs, reviews, purchases