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
In this article, I will take you through the steps to install PHP on RedHat/CentOS 7. PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML. Pre-requisites Apache web server should already be installed. Update the System ... Read more
In this tutorial, I will take you through the usage of html image maps with best examples. HTML Image Maps What is Image Mapping? Image Map is a list of coordinates relating to a specific Image that allows users to access different web pages by clicking on different areas of an Image. Client side Image ... Read more
In this tutorial, I will take you through the usage of html tables with best examples. What is table? A table is an arrangement of data in rows and columns, or possibly in a more complex structure. Tables are widely used in communication, research, and data analysis. a)Tables are useful for various tasks such as ... Read more
In this article, I will take you through the difference between Ruby blocks and Procs. Ruby Blocks and Procs Blocks a)A Block Consists of Chunk of Code b)Block has a name c)Codes in the block is always enclosed within braces d)A block is always invoked from a function with the same name as that of ... Read more
In this article, I will take you through the steps to create an IAM User and attach policy to it in AWS. Create an IAM User and Attach Policy What is IAM User An AWS Identity and Access Management (IAM) user is an entity that you create in AWS to represent the person or application ... Read more
In this tutorial, I will take you through the steps to install and configure Kubernetes on CentOS 7. Kubernetes is an open-source container-orchestration system for automating application deployment, scaling, and management. It was originally designed by Google, and is now maintained by the Cloud Native Computing Foundation. Kubernetes can be installed and deployed using following ... Read more
In this article, we will talk about the error Running scripts is disabled on this system. PowerShell is a task automation and configuration management framework from Microsoft, consisting of a command-line shell and associated scripting language. PowerShell's execution policy is a safety feature that controls the conditions under which PowerShell loads configuration files and runs ... Read more
In this article, i will take you through the steps to update or upgrade CentOS 7.0 / 7.1 / 7.2 / 7.3 / 7.4 / 7.5 / 7.6 to CentOS 7.7. CentOS is a Linux distribution that provides a free, community-supported computing platform functionally compatible with its upstream source, Red Hat Enterprise Linux. Upgrade CentOS ... Read more
In this article, I will take you through the steps to install python3 on CentOS 7. Python is a general-purpose interpreted, interactive, object-oriented, and high-level programming language. It was created by Guido van Rossum during 1985- 1990. Like Perl, Python source code is also available under the GNU General Public License (GPL). The steps to install ... Read more