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"Everything is a process until you leave this world."

July 08, 2025 Linux 11 min read

Setting Up Oracle 19c Using Docker on Ubuntu 22.04

This documentation provides a detailed step-by-step guide to help you set up Oracle 19c using Docker on an Ubuntu 22.04 system.Whether you are a beginner or an experienced user,...

debian docker linux oracle
July 08, 2025 Kubernetes 8 min read

Rook Ceph RBD PVC Troubleshooting Guide for Multi-Attach and MountDevice Failures

This guide provides a detailed, step-by-step process to resolve stuck Rook Ceph RBD volumes in Kubernetes, particularly when pods encounter errors such as:

ceph kubernetes pvc rbd
July 08, 2025 PostgreSQL 7 min read

PostgreSQL High-Availability Cluster Deployment Guide

This comprehensive guide provides end-to-end instructions for deploying a resilient PostgreSQL cluster using the Crunchy Data PostgreSQL Operator on Kubernetes. The solution int...

backup ceph high-availability kubernetes
July 08, 2025 PostgreSQL 8 min read

Logical Replication Tutorial

1. Introduction 2. Step 1: Export Schema from Old Master 3. Step 2: Copy Schema Backup to Local Machine 4. Step 3: Copy Schema Backup to New Master

backup high-availability logical-replication patroni
July 08, 2025 PostgreSQL 8 min read

FAQ Document: Database and Backup Alerts Troubleshooting (Updated with PGO Crunchy FAQs)

This FAQ document provides guidance on resolving common database, replication, and backup alerts, including additional scenarios specific to the Crunchy Data PostgreSQL Operator...

backup kubernetes postgresql rsync
July 08, 2025 Kubernetes 4 min read

Crunchy PGO 6.0.1 Kubernetes 35 Cluster Basic Documentation

This documentation provides step-by-step instructions for setting up a Kubernetes 35 cluster, installing necessary components such as Cilium, Rook Ceph storage, and Crunchy PGO,...

ceph cilium kubernetes linux
June 29, 2025 Linux 4 min read

Install Latest Kernel in Ubuntu and Auto-Load rbd module forr rook ceph K8s

This guide provides a robust script to install the latest Ubuntu kernel (6.14.x or higher) with linux-modules-extra from http://archive.ubuntu.com/ubuntu/pool/main/l/linux/ and ...

ceph kernel linux rbd
May 20, 2025 Kubernetes 8 min read

Resolving Istio CNI and Cilium Conflict in Kubernetes

This document provides a step-by-step guide to resolve a reconciliation loop issue in the Istio CNI plugin when used alongside Cilium as the primary Container Network Interface ...

cilium envoy istio kubernetes
March 06, 2025 Kubernetes 3 min read

Fix Pod Forbidden Errors in PGO crunchy Prometheus

You're seeing "forbidden" errors in the Prometheus pod logs, specifically for listing and watching pods. The service account used by Prometheus doesn't have the necessary permis...

kubernetes postgresql prometheus
March 02, 2025 Linux 2 min read

Guide to Install Microsoft Office 2010 (32-bit) on Ubuntu 22.04 using Winetricks

Here's a comprehensive guide to install Microsoft Office 2010 32-bit on Ubuntu 22.04 using Winetricks:

linux ubuntu
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