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
In this article, I will take you through the steps to install docker on CentOS 7. Docker is an open source software platform to create, deploy and manage virtualized application containers on a common operating system (OS), with an ecosystem of allied tools. Docker Inc., the company that originally developed Docker, supports a commercial edition ... Read more
In this article, we will go through the Steps to create table in MySQL 5.5 Database. Here we will take a simple example where we will create a Database name Office and table Account, Employee and Department inside that. In the next article, i will populate values inside these tables and will go further deep ... Read more
In this article, I will take you through 100 Best Networking Interview Questions. For those who are preparing to build their career in Networking domain, it is very important that they go through below networking interview questions which frequently gets asked in any Networking interviews. We will cover Networking Interview Questions in two parts. This ... Read more
In this article, I will take you through OpenJDK Installation on CentOS 7 with easy steps. OpenJDK (Open Java Development Kit) is a free and open-source implementation of the Java Platform, Standard Edition (Java SE). It is the result of an effort Sun Microsystems began in 2006. The implementation is licensed under the GNU General ... Read more