The exceeded num_locks in Podman occurs when the number of locks on a container exceeds the limit set in the configuration. To resolve this issue, We need to either increase the number of locks available to containers by updating the Podman configuration file or clean up the resources consumed by […]
Kubernetes cluster installation on Ubuntu can be sometimes very tough if you are new to Kubernetes but can be easy at the same time if you have all the details in one place step by step. This setup/ tutorial is designed to make your Kubernetes cluster installation journey easy and […]
In Linux, a user account is a unique identifier that is associated with a specific set of permissions and privileges. These permissions and privileges determine what actions the user can perform on the system, such as creating and modifying files, running programs, and accessing system resources. Each user account is […]
From macOS, Big Sur Apple is shipping zsh as the default shell but there is still an option available to use the bash shell. Most people still prefer bash shell over zsh shell due to multiple reasons. This tutorial guides the step-by-step process of changing the default shell to bash. […]
Telnet is one of the very useful tool to check the connectivity from the source machine to destination IP or URL. It is mostly used by SRE or network people to identify the connectivity issue. Sometimes developers also use telnet to check whether the application is properly reachable or not. […]
Kubectl is the tool that provides the functionality to manage the Kubernetes cluster in the backend it interacts with Kubernetes API servers and fulfills the user or administrator request. This cheat sheet provides the various option available under kubectl. Kubectl Autocomplete Kubectl Context and Configuration Creating Objects Viewing, Finding Resources […]
Kubeadm is one of all time favorite tool for installation of the Kubernetes. It comes directly from Kubernetes community and it is also a future of all kubernetes installation. This tutorial will guide how to Install Kubernetes Cluster on CentOS Environment: 2 CentOS 7 Servers with minimal installation Docker engine […]
Container runtimes is required for Kubernetes to work , one of the popular container runtime is docker. This tutorial will guide you how we can install docker for Kubernetes on CentOS. Step 1: Install required packages for Docker Step 2: Add Docker repository for installation Step 3: Install Docker CE […]
From Ubuntu 16 or Mint equivalent version many HP laptop as poor wifi range, we can resolve this issue with the following trick First install Realtek wifi driver in Ubuntu, use the below command for the same Disable WiFi power saving mode by below command and type the below parameter […]