Open Source

In This article, you are going to learn about  AWS means Amazon Web Services . AWS is the current global leader in Cloud Computing. Getting Started with Amazon Web Service (AWS) is nothing but creating computers in the Cloud. There could be hundreds of virtual machines on one hardware computer running on independently on one another. Amazon Web Services (AWS) calls each of the virtual computers (VM) an instance. AWS is capable of doing massive things on Cloud. We can create and run one instance or, multiple instances, either independently or together across the world. We can scale these instances up and down in computer power, memory, storage, creating a cache, Creating Databases and the balance loads the across the multiple instances over the availability zones. To manage all the above services on cloud AWS is providing dashboard called  Amazon Management Console,  this is where we can control all the services what you want on AWS. Now check the below ...

Cloud Computing: Everyone is moving fast to Cloud Computing to make infrastructure or service faster and more easy to maintenance, and automotive the tasks and to provide faster service. Cloud computing serves more scalability and reliable, elastic services to IT Infrastructure. Cloud computing provides everything as services over the internet. It will allow us to access and manage every service over the internet from anywhere.  Cloud Computing services consider in mainly 3 types: 1. SaaS : Software as a Service 2. PaaS : Platform as a Service 3. IaaS. : Infrastructure as a Service Cloud computing can geographically divide into 3 types. We all know that cloud computing technology is tree types, there are - 1.Private Cloud 2.Public Cloud 3.Hybrid Cloud These are the major Cloud Computing Technologies moving fast with Technology. Private Cloud Private Cloud also known as an Enterprise Cloud, Private Cloud is own by individuals, and its resides on Own Data cen...

This article explains you about the Cloud Computing modules. So before we start learning any cloud technology, first we have to understand the Cloud Computing services,which helps in understanding any Cloud Technology like Google Cloud Platform, AWS (Amazon Web Server), OpenStack (Redhat), Azure (Microsoft) and etc and these are the most popular known cloud technology service providers. Cloud Computing Introduction. Definition:   Cloud Computing refers to accessing and sharing of information in the internet web space, rather than using our personal computers, hard drives, and local servers. The term ‘Cloud’ refers to an Internet web space. Cloud computing provides everything as services over the internet. It will allow us to access and manage every service over the internet from anywhere. Cloud Technology is nothing but the combination of Datacenter or multiple Data centers connected by the network with each other to share resources dynamically that comprises computation, S...

Ansible is a simple IT automation engine that automates provisioning, configuration management, application deployment and many other IT needs.  Designed for multi-tier deployments, ansible models your IT infrastructure by describing how all of your systems interrelate, rather than just managing one system at a time. In this Article we are going to learn Ansible Installation Steps Red Hat Enterprise Linux 7 – RHEL 7. It uses no agents and no additional custom security infrastructure, so it’s easy to deploy – and most importantly, it uses a very simple language YAML that allow you to describe your automation jobs in a way that approaches plain English. Ansible Architecture Ansible works by connecting to your nodes and pushing out small programs, called “Ansible modules” to them. These programs are written to be resource models of the desired state of the system. Ansible then executes these modules using SSH Protocol, and removes them when finished. Your library of modul...

IPC (Incident, Problem & Change) Management with OTRS 1.  Install OTRS 5 on CentOS 7 Download https://www.otrs.com/download-open-source-help-desk-software-otrs-free/ # rpm -i otrs-5.0.22-01.noarch.rpm Open  following link in browser to run the installer.  Replace  “otrs.itgratis.com” with your server IP/Hostname http:// otrs.itgratis.com /otrs/installer.pl Follow the instruction on the screen. You will find below screen for Database. Select  MySQL and click Next Here you need to Install MySQL-Community-Server before you click on Next. You can install Database on the same server or a separate server. Download https://dev.mysql.com/downloads/repo/yum/ Add MySQL Yum Repository # rpm -Uvh mysql57-community-release-el7-11.noarch.rpm Verifying MySQL Repo # yum repolist Install & Start MySQL Server #yum install mysql-community-server #systemctl start mysqld.service Find unamename & Password # grep 'temporary password...