python virtual environment

Activate.ps1 cannot be loaded because running scripts is disabled on this system

We encountered with this error “Activate.ps1 cannot be loaded because running scripts is disabled on this system” while activating the Python virtual environment in Windows system. The solution is quite simple and reason of this error is due to the Windows Execution policy. In our system, the error was like this. In the below section,…

install groovy
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How to install Groovy on Ubuntu 20.04 LTS

Apache Groovy is a Object Oriented programming language which is compatible with Java syntax.It is both static and dynamic language. You can use the Apache Groovy either as a scripting or programming language. As a DevOps engineer, you might have known the use of Groovy script in Jenkins Pipeline. Requirement 1. Groovy 3.x (At the…

disable selinux

How to Disable selinux in Red Hat or CentOS

In this post, learn how to disable selinux in Red Hat and CentOS Operating System. Security-Enhanced Linux (SELinux) is a Linux feature that provides the mechanism for supporting access control security policies. How to check the status of SELINUX in linux system Use the given below command to check SELINUX status getenforce Open the file…

install MariaDB Server

How to install Mariadb 10.4 server on CentOS 8 / RHEL 8

Do you want to know how to install Mariadb 10.04 server on CentOS 8/RHEL 8 ? This post will help you to install MariaDB server. MariaDB is now defacto RDBMS in RHEL/CentOS after its seperation from the MySQL. We have already written other post on Mariadb Server, hence we will directly go to installation section….

install docker ubuntu
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How to install Docker on Ubuntu

In this post, we will learn how to install Docker on Ubuntu 22.04 LTS, 20.04 LTS, 18.04 LTS and 16.04 LTS. We have installed the Docker by using shell script in Ubuntu Operating System. We will use the recommended steps and commands to install docker on Ubuntu. We have clubbed all the recommended commands in our shell script for installing Docker.

Vagrant Multi VM
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Create multiple virtual machine with one Vagrantfile

For doing POC and testing sometimes we need multiple Virtual Machines very quickly. So here in this post we will create multiple virtual machine with one Vagrantfile by using Vagrant. We will cover some examples from coding side in Vagrantfile, it will help you in your real time scenarios as well. As we know Vagrant…

ffmpeg

How to install ffmpeg on CentOS 8 / RHEL 8 for multimedia processing

In this post, we will learn how to install ffmpeg on CentOS 8/RHEL 8. The ffmpeg is a program which is used in processing of multimedia content such as audio,video etc. It consist of many libraries and tools which helps to process the multimedia content. Through ffmpeg you can record,convert and stream the audio-video. Steps…