Install PowerShell 7 on Windows 11 (Keep 5.1 Side-by-Side)
TL;DR PowerShell 7 installs next to Windows PowerShell 5.1. Use pwsh for 7.x and powershell for 5.1. Fastest install: What […]
AI & Desktop Tools
Installation & Deployment
DevOps & Software Delivery
Install Sonatype Nexus 3 on Ubuntu 24.04 with HTTPS
Overview Part A — Install Nexus Result: Open http://<server>:8081/ and sign in with the initial password: Part B — HTTPS
Containers & Kubernetes
Upgrade Harbor 2.13.1 → 2.14.0 on Ubuntu 24.04
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
Identity, Security & PKI
Install phpLDAPadmin v2.3.5 on Ubuntu 24.04 (PHP 8.4 + Nginx)
Goal: native install of phpLDAPadmin v2 (2.3.5) under /opt/phpLDAPadmin, served by Nginx + PHP-FPM 8.4, connecting to LDAP/LDAPS. Node is
Identity, Security & PKI
Upgrade OpenDJ 4.9.4 → 4.10.2 on Ubuntu 24.04
Scope: In-place upgrade of a single OpenDJ node installed via the official .deb. No topology or port changes. Prerequisite: You
Observability & Operations
Monitor OPNsense with Zabbix (Active Agent, GUI-only)
TL;DR Install the OPNsense Zabbix Agent plugin → enable it → set Hostname to exactly your Zabbix host name →
Cloud, Linux & Virtualization
Build ccache 4.11.3 from Source on Ubuntu 24.04
Goal: Compile and install ccache v4.11.3 from source on Ubuntu 24.04, with manpages. Includes expected install output, sanity checks, and
Cloud, Linux & Virtualization
Install the Latest Ansible on Ubuntu 24.04 with apt, Bootstrap Remotes, and Run a Minimal Project
Scope: apt-install Ansible, create an ansible user on the controller, provision remotes, and run a small project. Replace jenkins.maksonlee.com as
Data Platforms & Analytics
Upgrade Apache Spark 3.5.6 → 4.0 on Ubuntu 24.04 (Single Node, Classic Mode)
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
Observability & Operations
Zabbix 7.4 + Keycloak (SAML 2.0): End-to-End Setup with JIT Provisioning
This guide connects Zabbix 7.4 at https://zabbix.maksonlee.com to Keycloak at https://keycloak.maksonlee.com (realm maksonlee.com) using SAML 2.0, and enables Just-in-Time (JIT)