In this tutorial, I will go through the function in bash shell scripting with examples. Bash function is basically a set of commands that can be called number of times. The very purpose of a function is to help reuse the same logic multiple times. Compared to other programming languages, Bash functions are little different ... Read more
In this article, I will take you through 10 Best ElasticSearch API Query. Elasticsearch is a search engine based on the Lucene library. It provides a distributed, multitenant-capable full-text search engine with an HTTP web interface and schema-free JSON documents. Elasticsearch is developed in Java. Here we will see different types of Elasticsearch api query ... Read more
In this tutorial, I will take you through the steps to install lspci, lsscsi, lsusb, and lsblk tools in RedHat/CentOS 7. In few of the instances we wanted to know the hardware configuration of our Servers. We have some open source tool available which can be used to check those configurations. For e.g: to check ... Read more
In this tutorial, I am going to take you through the concepts of Loops in C++. It is a general-purpose programming language created by Bjarne Stroustrup as an extension of the C programming language, or "C with Classes". In the Programming World, loops are frequently used to run a block of code multiple times to ... Read more
In this tutorial, I will take you through the different ways to change date and time in Linux (RedHat/CentOS 7). Sometimes it is very important to have correct date and time in your Linux Server. Change Date and Time in Linux timedatectl is the command to change date and time in RedHat/CentOS7. We will go ... Read more
In this tutorial, I will take you through the steps to enable ssh on Ubuntu(18.04/17.04/16.04). OpenSSH is a freely available version of the Secure Shell (SSH) protocol family of tools for remotely controlling, or transferring files between, computers. Traditional tools used to accomplish these functions, such as telnet or rcp, are insecure and transmit the ... Read more
In this tutorial, We will go through step by step procedure to create an EC2 Instance in AWS. Amazon Elastic Compute Cloud (Amazon EC2) is a web service that provides secure, resizable compute capacity in the cloud. It is designed to make web-scale cloud computing easier for developers. Create an EC2 Instance in AWS Also ... Read more
In this article, We will go through step by step procedure to create virtual machine in Azure. Microsoft Azure is a cloud computing service created by Microsoft for building, testing, deploying, and managing applications and services through Microsoft-managed data centers. It provides software as a service (SaaS), platform as a service (PaaS) and infrastructure as ... Read more
In this article, I will take you through the steps to create your first Virtual Machine in Google Cloud. Google Cloud Platform (GCP), offered by Google, is a suite of cloud computing services that runs on the same infrastructure that Google uses internally for its end-user products, such as Google Search and YouTube. Alongside a ... Read more
In this article, I will take you through 31 Best Chef Interview Questions. Chef is a very frequently used tool in Automation and DevOps Platform. So it is very imperative to know about Frequently asked Chef Interview Questions for those who is looking to build his career in DevOps Platform. Here we will go through ... Read more