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Showing posts from September, 2022

Amazon Web Services- worksheet 2

Services provided by Aws Cloud.  Services that are available in the AWS Free Usage Tier          750 hours of Amazon EC2 Linux or RHEL or SLES t2.micro instance usage (1 GiB of memory and 32-bit and 64-bit platform support) – enough hours to run continuously each month         750 hours of an Elastic Load Balancer plus 15 GB data processing 750 hours of Amazon RDS Single-AZ Micro DB Instances, running MySQL, MariaDB, PostgreSQL, Oracle BYOL or SQL Server Express Edition – enough hours to run a DB Instance continuously each month. You also get 20 GB of database storage and 20 GB of backup storage          750 hours of Amazon ElastiCache Micro Cache Node usage – enough hours to run continuously each month.          30 GB of Amazon Elastic Block Storage in any combination of General Purpose (SSD) or Magnetic, plus 2 million I/Os (with EBS Magnetic) and 1 GB of snapshot storage          5 GB of Amazon S3 standard storage, 20,000 Get Requests, and 2,000 Put Requests          25 GB of Storag

VM Migration

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 In this post, we will look at VM Migration. For this we need a Virtual Disk Image which already has a OS installed in it. Step 1:  Right click on the Virtual machine and click Export. Move the OVA file to your other host machine. Step 2:  open the Virtual machine software, in my case I use VM ware Workstation. Step 3:  Click on Open a Virtual machine and Choose the OVA file. Give a name and click on import. Now the Machine is imported. You can work on this machine like normal. It will contain all the data from the previous VM since its an import of it. That is how VM migration is done.  

Creating a Virtual machine

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In this Tutorial we are going to see the steps to create a Virtual machine. To host a virtual machine we need a software which can manage the machine. For this, I choose Oracle VirtualBox. Its a really popular option and its beginner friendly too. Step 1:   Download Oracle VirtualBox from the link given below and install it on your pc. https://www.virtualbox.org/wiki/Downloads  Step 2:  Open VirtualBox. Step 2:  Creating a VM Click on the New option. Fill the details and click on next. Now it will ask for the Memory capacity that you are willing to allocate for the system. i have allocated 2 GB for my machine, you can give your preferred size. Then it will details about the hard disk for the machine, Here I am going to create a Virtual hard disk. After that it will ask to the type of hard disk that needs to be created, I am going with the Virtual Disk image option. Give your preferred size and location then click on create. Now the Virtual machine is created. Step 3:  Booting Up the Ma

Cloud Computing and virtualization

Cloud computing and virtualization What is Cloud Computing? Cloud computing  involves hosting services over the internet. The three types of services are: Platform as a Service (PaaS) Software as a Service (SaaS) Infrastructure as a Service (IaaS) Now we will discuss the various services one by one: Platform as a Service:                                   In  a PaaS model, the service provider provides both hardware and software that runs on top of the hardware. The User can use the software and manage the data associated with the software. Developers use these kind of services to to build applications on a platform. Here the user manages the software and the data, the rest are managed by the cloud vendor. Software as a Service:                                    In this model, the software is  hosted on a web server and the user can access the software if the access is approved by the vendor. The user can use the software to his/her own will. Everything from the hardware to the softwa