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Kubernetes - Cheat Sheet

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 request. This cheat sheet provides the various option available under kubec

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

source > ~/.bashrc # add autocomplete permanently to your bash shell.

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How to Install Kubernetes Cluster on CentOS [Updated]

How to Install Kubernetes Cluster on CentOS [Updated]

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 (Install Docker for Kubernetes on CentOS)

Note: Make sure Docker is installed…

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Install Docker for Kubernetes on CentOS

Install Docker for Kubernetes on CentOS

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

[~]# yum install yum-utils device-mapper-persistent-data lvm2 -y

Step 2: Add Docker repository for installation

[~]# yum-config-manager \ --add-repo…

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How to resolve Hp – Ubuntu 16 and Linux mint weak WIFI signal problem

How to resolve Hp – Ubuntu 16 and Linux mint weak WIFI signal problem

From Ubuntu 16 or Mint equivalent version many HP laptop as poor wifi range, we can resolve this issue with the following trick

First installing Realtek wifi driver in Ubuntu, use below command for the same

sudo apt-get install linux-headers-generic build-essential git git clone https://github.com/lwfinger/rtlwifi_new.git cd rtlwifi_new make sudo make install sudo modprobe rtl8723be

Dis…

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Install Kibana on CentOS and RHEL

Install Kibana on CentOS and RHEL

Kibana is an open source data visualization tool for Elasticsearch. It provides visualization capabilities on top of the content indexed. It also supports various kind of powerful dashboards

Step 1: Import Yum Key

Download and install the signing key from RPM: We can get Kibana RPM from elastic

rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch

fingerprint: 4609 5ACC…

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Install Elasticsearch on CentOS and RHEL

Install Elasticsearch on CentOS and RHEL

Elasticsearch is one the most popular and flexible platform for distributed and analysis of data in real time. It has a very powerful APIs available which provides so much flexibility in the search. Its popularity is due to its ease of use, powerful features, and scalability.

Step 1: Install and verify Java

You can install the latest OpenJDK with below command:

[root@elastic-search ~]#…

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Install Samba4 as Active Directory Server

Install Samba4 as Active Directory Server

Since version 4.0, Samba can, additionally to an NT4 PDC, act as a Domain Controller that is compatible with Microsoft Active Directory. In the following, we explain how to set up Samba as an Active Directory Domain Controller from scratch.

Turn off SELINUX

# vi /etc/sysconfig/selinux SELINUX=disabled setenforce 0

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(adsbygoogle =…

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Tomcat Installation on Linux RHEL and Centos 7

Tomcat Installation on Linux RHEL and Centos 7

Apache Tomcat Installation on Linux (RHEL 7 and Centos 7) in Highly Secure Mode

Apache Tomcat often referred to as Tomcat Server, is an open-source Java Servlet Container developed by the Apache Software Foundation (ASF). Tomcat Installation on Linux is very easy and quick .

Set hostname of Linux machine as per your requirement like we are setting below:

[root@node27 ~]# hostnamectl…