Upgrade & Migration Archives - Page 2 of 3

Run Backstage with Keycloak SSO on Ubuntu (Without Docker, Minimal Changes)

Makson Lee / December 9, 2025

The official Backstage docs are excellent and very complete. They also move fast: Docker images, Postgres, Kubernetes, and a lot […]

Makson Lee / November 19, 2025

Introduction In a previous post, I showed how to install Gerrit 3.11.2 on Ubuntu 24.04 with: After that, I upgraded

Makson Lee / October 4, 2025

TL;DR: This upgrades Harbor 2.13.1 → 2.14.0 for the exact setup from my previous guide:Install Harbor 2.13.1 on Ubuntu 24.04

Makson Lee / September 19, 2025

Scope: In-place upgrade of a single OpenDJ node installed via the official .deb. No topology or port changes. Prerequisite: You

Makson Lee / September 14, 2025

TL;DR Clone FreeBSD by Zabbix agent → mass-update all Zabbix agent items to Zabbix agent (active) → switch agent-based discovery

Makson Lee / August 23, 2025

This post is a follow-up to:Upgrade Apache Spark 3.5.6 → 4.0 on Ubuntu 24.04 (Single Node, Classic Mode) What you’ll

Makson Lee / August 22, 2025

Goal: Install Spark 4.0.0 (Hadoop 3, Connect build) at /opt/spark, but keep Classic mode for now by setting SPARK_CONNECT_MODE=0.We’ll remove

Makson Lee / July 24, 2025

If you’re transitioning from VMware Workstation Pro on Windows to KVM on Ubuntu 24.04, you can migrate your VMs with

Makson Lee / June 24, 2025

Chocolatey is a command-line package manager for Windows. It lets you install, upgrade, and manage software like Git, Python, Node.js,

This guide shows how to move an SSH private key from Jenkins-managed credentials into HashiCorp Vault and pull it into