Skip to content
Linux sysadmins

Linux sysadmins

Linux Sysadmins – Linux Guides, Nix Guides, Tutorials, Tips & Tricks.

  • Home
  • Containerization
    • Docker
    • Kubernetes
    • OpenShift | OKD
    • Amazon Web Services
  • Automation
    • Ansible
    • RunDeck
    • SaltStack
  • How to
    • Distros
      • RHEL Linux
      • CentOS Linux
      • Oracle Linux
      • Scientific Linux
      • Debian Linux
    • Servers
      • File Servers
      • FTP Servers
      • DNS Servers
      • DHCP Servers
      • Mail Servers
      • Identity Server
      • Web Servers
        • Apache Server
        • Nginx Server
      • Database Servers
        • MongoDB
        • Oracle Database
    • Virtualization
      • Red Hat Virtualization
      • oVirt Virtualization
      • VMware
    • Linux Clusters
      • Veritas Cluster
      • Pacemaker Cluster
    • Storage Servers
      • Logical Volume Management
      • RAID Storage
      • Openfiler SAN Storage
      • iSCSI Storage
      • Stratis Storage
      • Virtual Data Optimizer
    • System Management
      • Spacewalk Server
      • Server Imaging (Fog)
    • Monitoring Tools
      • Splunk
      • MMonit
    • Security
      • SELinux
      • File System Encryption
    • Linux Networking
    • Troubleshooting
    • Linux Commands
  • Unix & Unix Like
    • Solaris Guides
    • Mac OS x
    • pfSense Router
  • Linux Misc
    • Linux Interview Q&A Level 1
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 […]

Linux

Configuring HAProxy LB for OKD HA Cluster

Posted on: August 14, 2024August 14, 2024

Introduction HAProxy LB is a powerful, high-performance load balancer and proxy server that plays a crucial role in managing and optimizing network traffic in OKD clusters. OKD, the […]

DHCP Servers

Configuring DHCP Server for OKD HA Clusters

Posted on: August 11, 2024August 9, 2024

Introduction Earlier we installed a simple DHCP server for Single node OKD cluster, this time we are about to extend the existing setup to facilitate our new HA […]

DNS Servers

Configuring BIND DNS Server for OKD HA Clusters

Posted on: August 9, 2024August 10, 2024

Introduction The previous guide posted on BIND DNS Server for a single node OKD Cluster, in this guide covering BIND DNS Server for HA OKD/Openshift cluster. If you’re […]

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 […]

DHCP Servers

Configuring DHCP Server for Single node OpenShift Setup

Posted on: August 3, 2024August 10, 2024

Introduction Configuring DHCP for OpenShift clusters involves setting up a DHCP server to dynamically assign IP addresses to nodes in the cluster. This ensures that each node receives […]

DNS Servers

Bind DNS Setup for OpenShift Single Node

Posted on: August 3, 2024August 10, 2024

Introduction Setting up a Bind DNS server for a single-node OKD cluster involves configuring DNS to ensure proper resolution of cluster services and resources. Begin by installing Bind […]

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 […]

Posts pagination

Page 1 Page 2 … Page 22 Next page
  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
  • About
  • Contact
  • Copyright Policy
  • Privacy Policy
  • Facebook
  • YouTube
  • GitHub
  • Pinterest
Theme Cube Blog by Kantipur Themes
Go to mobile version