Linux, Kubernetes and Cloud HowTos

Top 7 Security Hardening Tips for CentOS 8 / RHEL 8 Server

Once you have installed your CentOS 8 / RHEL 8 server, securing it to prevent unauthorized access and intrusions comes second. As the adage goes […]

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How to Setup Kubernetes(k8s) Cluster in HA with Kubeadm

When we setup Kubernetes (k8s) cluster on-premises for production environment then it is recommended to deploy it in high availability. Here high availability means installing

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How to Setup Kubernetes Cluster on Google Cloud Platform (GCP)

Popularly known as K8s or Kube, Kubernetes is an opensource orchestration platform that automates the deployment, scaling, and monitoring of containerized applications. In simple terms,

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How to Harden and Secure NGINX Web Server in Linux

Nginx is arguably one of the most widely used free and opensource web server used in hosting high-traffic websites. It is well known for its

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How to Setup NGINX Ingress Controller in Kubernetes

Ingress is one of the important concepts in Kubernetes, which allows external users to access containerized application using FQDN (fully qualified domain name). Though Ingress

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How to Use Jinja2 Template in Ansible Playbook

In this guide, we will explain how to use Jinja2 template in Ansible playbook. Jinja2 is a powerful and easy to use python-based templating engine

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How to Install OpenStack on CentOS 8 with Packstack

Openstack is a free and open-source private cloud software through which we can manage compute, network and storage resources of our data center with an

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