Identity, Security & PKI Archives - Page 3 of 6

Sync Backstage Users and Groups from LDAP (With Keycloak SSO, No Docker)

Makson Lee / December 9, 2025

In a previous post, I installed Backstage on Ubuntu 24.04, wired it to Keycloak for OIDC login, and ran it

Makson Lee / December 3, 2025

In a previous post, We have a Kubernetes cluster that exposes HTTP for through Traefik and MetalLB. In this follow-up,

Makson Lee / October 26, 2025

Tested: Windows 11 Pro + PowerShell 7.5.4 (run terminal as Administrator). One-shot removal About the red errors If you see:

Makson Lee / October 4, 2025

TL;DR Stop Harbor → run ./prepare –with-trivy once → start Harbor. Because you previously had no scanner, Trivy becomes the

Makson Lee / September 24, 2025

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

Makson Lee / September 19, 2025

TL;DR: Use jcmd to see what heap Java chose by default. For a tiny directory (~10 entries), set -Xms128m -Xmx128m

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 / August 28, 2025

When setting up TLS for your own services, or working with certificates from a commercial Certificate Authority, you will encounter

Makson Lee / July 18, 2025

This guide is a continuation of our previous tutorial:How to Install Redmine 6.0.6 on Ubuntu 24.04 with PostgreSQL, RVM, Ruby,

Makson Lee / July 15, 2025

If you’re running the open-source version of Kiwi TCMS, you might have noticed that advanced authentication options like OAuth2 and