Fix Kubernetes Certificate Expired Error Easily

When I started my Kubernetes Cluster and look to check the pods status. I got below errors: root@kb-master:~# kubectl get pods E0730 08:15:05.250099 5547 memcache.go:265] couldn’t get current server API group list: Get “https://kb-master:6443/api?timeout=32s”: dial tcp 192.168.64.230:6443: connect: connection refused E0730 08:15:05.255138 5547 memcache.go:265] couldn’t get current server API group list: Get “https://kb-master:6443/api?timeout=32s”: dial tcp […]

Install OpenShift Local on Windows or Linux

Developers and DevOps professionals often need a quick and reliable way to run OpenShift clusters on their local systems. If you’re looking to install OpenShift Local on Windows or Linux, this guide walks you through the entire process. Not only is it simple, but it also ensures you’re ready for cloud-native development — without requiring […]

Secure Your Mounting with Easy Bash Scripts

Secure Linux Mounting Made Easy with These Bash Scripts Managing Linux file systems manually can often lead to errors or misconfigurations, especially when mounting Samba shares or unmounting an NFS path. To solve this challenge, a pair of secure Linux mount scripts can optimize your day-to-day sysadmin tasks. Designed with reliability in mind, these scripts aim to […]

Docker Quickstart: Install, Build & Deploy Apps

Docker has become the backbone of modern DevOps and software delivery. It helps you build, ship, and run applications quickly and reliably. In this post, we’ll explore Docker installation, pulling and building images, running containers, using volumes, networks, Docker Compose, and finally scanning your images for security.And yes — you’ll see real commands you can […]

Two Node Monitoring with Node Exporter, Prometheus & Grafana

In today’s dynamic infrastructure, monitoring servers effectively is very important. There are lot of monitoring tools available but I was looking for something that can help me monitoring my DB servers for its disk utilization. For Linux administrators and DevOps engineers, tools like Node Exporter, Prometheus, and Grafana play a crucial role in collecting and […]