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Browse posts by year and tag.

airflow ansible backup ceph cilium cloud-init clustering cortana crunchy-data data-engineering debian disaster-recovery docker envoy etcd failover fault-injection guide haproxy high-availability istio iutool keepalived kernel kubeadm kubernetes linux load-balancing logical-replication lumia lvm monitoring offline-update operator oracle patroni pgbackrest pgo pgpool pgpool-ii pipelinewise playbook postgresql production-readiness prometheus proxmox pvc qcow2 qemu rbd registry rook rsync s3 streaming-replication testing thor2 trick ubuntu unbrick virtualization wdrt windows windows-phone

2026

August

• PostgreSQL High Availability with Patroni + pgpool-II — A Complete Guide Aug 25
  postgresql high-availability patroni pgpool-ii etcd pgbackrest failover ansible
• Testing High Availability PostgreSQL: From Manual Failover to Patroni + etcd + pgpool-II — A Journey of Real Faults, Honest Gaps, and Three Bugs We Didn't Expect Aug 12
  postgresql patroni etcd pgpool-ii high-availability pgbackrest failover fault-injection testing production-readiness

July

• Crunchy Data PostgreSQL Operator (PGO) — Production Operations Guide Jul 21
  postgresql kubernetes pgo crunchy-data patroni pgbackrest operator high-availability backup disaster-recovery
• PGO Hands-On Demo & Operations Playbook Jul 21
  postgresql kubernetes pgo crunchy-data patroni pgbackrest operator high-availability backup disaster-recovery monitoring playbook
• A Secure Kubernetes Multi-Master Cluster Setup Guide Jul 18
  cilium haproxy high-availability keepalived kubeadm kubernetes linux
• Setting Up Highly Available PostgreSQL Cluster with Patroni, etcd, HAProxy, and Keepalived Jul 17
  backup etcd haproxy high-availability patroni pgbackrest postgresql

June

• PostgreSQL 17 + Pgpool-II HA Cluster — Configuration Guide Jun 10
  postgresql pgpool high-availability clustering streaming-replication load-balancing failover

2025

July

• ETL Server Setup to transfer data from Production to a Example. Data Warehouse Guide: Apache Airflow & PipelineWise Jul 29
  airflow data-engineering docker linux pipelinewise postgresql ubuntu
• Setting Up Streaming Standby for PGO Crunchy PostgreSQL Cluster Jul 08
  kubernetes postgresql streaming-replication
• Setting Up RSync in PGO Crunchy Database to Copy pgBackRest Backup Files to a New replica_ABC and install PostgreSQL, pgBackRest and Restore backups on that replica_ABC Jul 08
  backup kubernetes pgbackrest postgresql rsync
• Setting Up Oracle 19c Using Docker on Ubuntu 22.04 Jul 08
  debian docker linux oracle ubuntu
• Rook Ceph RBD PVC Troubleshooting Guide for Multi-Attach and MountDevice Failures Jul 08
  ceph kubernetes pvc rbd rook
• PostgreSQL High-Availability Cluster Deployment Guide Jul 08
  backup ceph high-availability kubernetes linux pgbackrest postgresql prometheus
• Logical Replication Tutorial Jul 08
  backup high-availability logical-replication patroni postgresql
• FAQ Document: Database and Backup Alerts Troubleshooting (Updated with PGO Crunchy FAQs) Jul 08
  backup kubernetes postgresql rsync
• Crunchy PGO 6.0.1 Kubernetes 35 Cluster Basic Documentation Jul 08
  ceph cilium kubernetes linux postgresql rbd rook

June

• Install Latest Kernel in Ubuntu and Auto-Load rbd module forr rook ceph K8s Jun 29
  ceph kernel linux rbd ubuntu

May

• Resolving Istio CNI and Cilium Conflict in Kubernetes May 20
  cilium envoy istio kubernetes

March

• Fix Pod Forbidden Errors in PGO crunchy Prometheus Mar 06
  kubernetes postgresql prometheus
• Guide to Install Microsoft Office 2010 (32-bit) on Ubuntu 22.04 using Winetricks Mar 02
  linux ubuntu

February

• Creating a Debian 12 Cloud-Init Template in Proxmox Feb 11
  cloud-init debian kernel linux lvm proxmox qcow2 qemu
• Creating an Ubuntu 24.04 Cloud-Init Template in Proxmox Feb 10
  cloud-init kernel linux proxmox qemu ubuntu virtualization
• Configuration Documentation for Potential Configuration Changes for Faster Availability Feb 10
  high-availability kubernetes patroni postgresql

January

• Explanation Document: Pod Anti-Affinity Configuration for PostgreSQL Cluster Jan 28
  kubernetes postgresql
• Using S3 for Backups in Postgres Operator Jan 02
  backup kubernetes pgbackrest postgresql s3
• Understanding and Mitigating Replica Lag in Patroni Clusters Jan 02
  patroni postgresql
• Switchover Guide for Crunchy PGO's PostgreSQL Streaming Standby Replication (Master ↔ Standby) Jan 02
  high-availability kubernetes patroni postgresql streaming-replication
• Simple Guide to Resize and Expand a QCOW2 Disk Image for CentOS Stream 9 Jan 02
  qcow2 qemu virtualization
• Readiness Probe Failure in Kubernetes Deployment Jan 02
  kubernetes postgresql
• Documentation: Managing the autoCreateUserSchema Annotation for PostgreSQL Clusters Jan 02
  postgresql
• Backup Schedule Template in PGO Crunchy PostgreSQL Operator — Detailed Guide Jan 02
  backup pgbackrest postgresql
• Accessing LVM Storage Across Different Machines Jan 02
  backup linux lvm pvc

2024

December

• Setting Up PostgreSQL and pgBackRest as a Readonly database in a replica where archived databases are actively restored and made live on different ports Dec 02
  pgbackrest postgresql rsync
• pgBackRest setup Dec 02
  backup pgbackrest postgresql s3 ubuntu

2018

March

• Enable "Hey Cortana" Voice Command on Any Windows Phone Mar 05
  windows windows-phone cortana registry trick

2017

August

• Reviving a "Dead" (Bricked) Lumia Using Windows Device Recovery Tool's Emergency/Thor2 Mode Aug 29
  windows windows-phone lumia unbrick wdrt thor2 guide

April

• Windows 10 Mobile Offline Update Guide (Windows Phone 8.1 → Windows 10 Mobile 10586.107 and beyond) Apr 09
  windows windows-phone lumia offline-update iutool guide