In this article, I will take you through the Introduction to Openstack and its components. It is a free and open-source software platform for cloud computing, mostly deployed as infrastructure-as-a-service, whereby virtual servers and other resources are made available to customers. Introduction to OpenStack What is Private Cloud Private cloud refers to a model of ... Read more
In this Openstack tutorial, I will take you through the best way to use devstack for Openstack download and Openstack Deployment on RedHat/CentOS 7 using Devstack. OpenStack is a free and open-source software platform for cloud computing, mostly deployed as infrastructure-as-a-service, whereby virtual servers and other resources are made available to customers. In this openstack ... Read more
In this article, I will take you through the concepts of SQL Injection attacks in MySQL. SQL is the acronym for Structured Query Language. It is used to retrieve and manipulate data in the database. What is SQL Injection ? SQL injection is a code injection technique, used to attack data-driven applications, in which malicious ... Read more
In this tutorial, I will take you through the steps to create a network bonding/teaming in Linux. Red Hat Enterprise Linux/CentOS 7 allows administrators to bind multiple network interfaces together into a single, bonded, channel. Channel bonding enables two or more network interfaces to act as one, simultaneously increasing the bandwidth and providing redundancy. Network ... Read more
In this article, I will take you through the steps to install ruby on CentOS/RedHat 7.Ruby is an interpreted, high-level, general-purpose programming language. It was designed and developed in the mid-1990s by Yukihiro "Matz" Matsumoto in Japan. Ruby is dynamically typed and uses garbage collection. It supports multiple programming paradigms, including procedural, object-oriented, and functional ... Read more
In this article, I will take you through the steps to install all dependent packages without internet on RedHat/CentOS 7 with the help of an example. Sometimes your server resides in private network with no connection to outside world. For installing packages you probably won't be able to use yum package manager to download and ... Read more
In this tutorial, I will take you through the steps to install and configure Redis Server on CentOS 7. It is an in-memory data structure project implementing a distributed, in-memory key-value database with optional durability. Redis supports different kinds of abstract data structures, such as strings, lists, maps, sets, sorted sets, HyperLogLogs, bitmaps, streams, and ... Read more
In this tutorial, I will take you through the steps to install redis on Ubuntu 18.04. As defined in Redis Documentation Redis is an in-memory data structure project implementing a distributed, in-memory key-value database with optional durability. It supports various abstract data structures like string, map, sets, lists, sorted sets, Hashes etc. Redis is unimaginably ... Read more
In this article, we will look at the top 10 best Linux brctl command examples for Ethernet Network Bridge. brctl command used for ethernet bridges. When you have multiple ethernet interfaces on your server and want to combine and present them as single entity then you need to use the concept of ethernet bridges. For ... Read more
In this article, i will take you through the steps to install terraform on CentOS/RedHat 7. Terraform is an open-source infrastructure as code software tool created by HashiCorp. It enables users to define and provision a datacenter infrastructure using a high-level configuration language known as Hashicorp Configuration Language, or optionally JSON. I have already covered ... Read more