Add an Ubuntu 24.04 Linux Server Data Source to OpenObserve
This post adds a Linux server (Ubuntu 24.04) as a data source to my existing OpenObserve standalone (local mode) deployment. […]
Observability & Operations
Installation & Deployment
Observability & Operations
Deploy OpenObserve Standalone on Bare-Metal Kubernetes with Traefik + Ceph RBD (PVC)
This post deploys OpenObserve in standalone (single-node / local mode) on a bare-metal Kubernetes cluster using the official openobserve-standalone Helm
Identity, Security & PKI
Integrate EJBCA RA Web Login with Keycloak (OIDC / OAuth2)
This post documents a working setup to log in to EJBCA RA Web using Keycloak as an OpenID Connect (OIDC)
Identity, Security & PKI
Install EJBCA CE on Ubuntu 24.04 with WildFly + MariaDB (no Docker)
This guide installs EJBCA Community Edition (example: r9.3.7) on Ubuntu 24.04, using WildFly as the application server and MariaDB as
Identity, Security & PKI
Enroll a Kubernetes Cluster into Teleport CE (Helm)
This post follows Teleport’s official Kubernetes Access “Getting Started” flow, using the Web UI guided enrollment (Helm) and validating access
Identity, Security & PKI
Enroll an Ubuntu 24.04 Server as a Teleport SSH Resource (Community Edition, Web UI)
This is a follow-up to my Teleport installation guide: That post builds a single-node Teleport cluster (Auth + Proxy +
Identity, Security & PKI
Install Teleport Community Edition on Ubuntu 24.04 (Internal DNS + Let’s Encrypt DNS-01 via Cloudflare, TLS on :443)
This guide installs a single-node Teleport cluster (Auth + Proxy + SSH service on one host) on Ubuntu 24.04, secured
Identity, Security & PKI
Use Step CA as an ACME Server (ACME v2) and Issue/Renew TLS Certificates with Certbot + NGINX
This guide enables ACME v2 on an existing Smallstep Step CA deployment, then shows how a host like test.maksonlee.com can
Identity, Security & PKI
Enable Step CA SSH Certificates with Keycloak OIDC (Groups → Principals) + Configure Ubuntu Servers to Trust the CA (Ubuntu 24.04 + Windows 11)
This post extends my previous Step CA deployment: Here we add SSH short-lived certificate login using: What you’ll build Users
Identity, Security & PKI
Move HashiCorp Vault OSS to Another AWS EC2 Instance (Ubuntu 24.04, File Storage, AWS KMS Auto-Unseal)
This post shows how to move a single-node Vault OSS deployment from one EC2 instance to another existing EC2 host