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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 […]

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

Kubernetes metrics | Error from server (ServiceUnavailable) | Quick 2 fixes

Posted on: December 4, 2020March 6, 2022

A quick fix for the Kubernetes Metrics (service unavailable) and metric showing as (unknown) for Worker nodes.

Automation / Cloud & Containerization

Install Kubernetes Cluster with Ansible on Ubuntu in 5 minutes

Posted on: August 30, 2020March 6, 2022

Install Kubernetes cluster with Ansible will easy the process of installation by saving our time. If you are looking to complete a mass installation setup in less than 5 minutes, Have a look into this.

Cloud & Containerization

Upgrade Kubernetes Cluster with zero downtime in 5 easy steps

Posted on: August 22, 2020May 25, 2022

Upgrade Kubernetes Cluster, The most required requirement in any production environment to get the latest features of Kubernetes. Follow this guide to simplify your upgrade process.

Cloud & Containerization

Create a Rolling Update Kubernetes Deployment in 3 ways

Posted on: May 25, 2020March 6, 2022

Kubernetes Deployment will help to bring up our Application online in a short span of time with the number of designated Replica sets.

Cloud & Containerization

How to Create a Kubernetes Pod

Posted on: May 24, 2020March 6, 2022

Creating our first Kubernetes Pod on our new Kubernetes cluster in some available methods. Let’s see how to generate a YAML file from the created Pod as well.

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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