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Cloud & Containerization

OKD Cluster (OpenShift) Installation on Bare Metal

Posted on: August 16, 2024August 14, 2024

Introduction Installing an OKD cluster using the User-Provisioned Infrastructure (UPI) method involves setting up a Kubernetes-based OpenShift platform on either virtual machines or bare metal servers. This approach […]

Single Node OKD (OpenShift) Setup: A Fast and Easy Guide
Cloud & Containerization

Single Node OKD (OpenShift) Setup: A Fast and Easy Guide

Posted on: August 5, 2024August 3, 2024

Introduction If you’re looking to get started with the upstream version of OpenShift, also known as OKD, and you’re using Proxmox as your virtualization platform, this step-by-step guide […]

Cloud & Containerization

Pod Placement Strategies with Node Affinity in Kubernetes

Posted on: June 30, 2024August 10, 2024

Introduction In Kubernetes, efficiently placing pods on nodes can significantly impact performance and resource utilization. Node affinity provides a powerful mechanism for controlling pod placement based on node […]

Cloud & Containerization

Creating Highly Available Clusters with kubeadm on Rocky Linux 9.4

Posted on: June 18, 2024June 18, 2024

Introduction to HA Kubeadm In this blog post, we will be implementing High Availability (HA) Kubernetes clusters using kubeadm! In this guide, we’ll explore how to leverage kubeadm […]

Cloud & Containerization / Linux Administration

Setting Up HAProxy for Kubernetes High Availability

Posted on: June 18, 2024June 18, 2024

Introduction Setting up HAProxy for Kubernetes high availability involves configuring HAProxy as a load balancer to distribute incoming traffic across multiple Kubernetes control plane nodes. HAProxy ensures redundancy […]

Cloud & Containerization

Install Kubernetes Cluster on Ubuntu 22.04 LTS using kubeadm

Posted on: September 4, 2023September 6, 2023

A self reference guide for setting up a Vanilla Kubernetes on top of 4 virtual machines.The current setup running with latest Kuberenets release version v1.28.1 All new packages […]

Cloud & Containerization

Portworx Cheat Sheet

Posted on: August 30, 2023August 31, 2023

Options can be replaced with short aliases as follows Print the cluster provision status To list the cluster nodes. To Inspect a single node using node ID. To […]

Cloud & Containerization / Linux

How to extend space for a OCP /sysroot mounted for /

Posted on: May 26, 2023May 21, 2023

The current disk size is 64 GB and disk was extended from VMware end, Now time to extend from RedHat OpenShift side. We are getting below package from […]

Cloud & Containerization

Creating Podman container systemd unit files for rootless containers

Posted on: May 24, 2023May 21, 2023

By default Docker or Podman doesn’t have any systemd unit to start the container during a reboot. Let’s see how to create a systemd unit file for a […]

Cloud & Containerization

Podman cheat Sheet

Posted on: December 12, 2022December 12, 2022

A handy Podman cheat sheet, documenting for self reference. Basic Podman Options To check the current installed version of podman. Print everything about podman in this server. The […]

Posts pagination

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  1. Gerald on Single Node OKD (OpenShift) Setup: A Fast and Easy GuideDecember 15, 2024

    Hi, in the 'Starting with Bootstrapping' step I have this error: DEBUG Still waiting for the Kubernetes API: Get "https://api.xxx.local:6443/version":…

  2. jos on How to Configure Sudo email alertMarch 4, 2022

    Hi! Some way to send commands write as root by email? Thanks!

  3. paul on Monitoring Proxmox with InfluxDB and Grafana in 4 Easy stepsMarch 1, 2022

    Tried 12966 per your example, got error "failed to import dashboard."

  4. Anonymous on Migrate existing Iptables to Nftables in RHEL8/CentOSFebruary 27, 2022

    I followed the procedures and successfully loaded some weird 8081 port configurations needed for the app, however I discovered it…

  5. sy on Install Ansible AWX on Kubernetes in 5 minutesFebruary 17, 2022

    tried many times - followed all steps but was unable to setup custom context I always get -> The connection…

Ansible (11) Apache (5) Docker (7) foreman (5) IDM Server (7) Kubernetes (14) linux commands (5) Linux networking (10) Linux Security (5) Logical Volume Management (13) OpenShift (8) Oracle Database (5) Solaris 11 (4) Solaris OS (6) VMware (5)

  • OKD Cluster (OpenShift) Installation on Bare Metal
  • Configuring HAProxy LB for OKD HA Cluster
  • Configuring DHCP Server for OKD HA Clusters
  • Configuring BIND DNS Server for OKD HA Clusters
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