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On-Premise Data Center Vs Public Cloud ( Unravel OCI Part 2 - Post 1)

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It is important to understand what a typical on-premise Data Center is, before understanding what is it to use the services of a Cloud Provider (Public Cloud). This post will help you understand, what a typical on-premise data center is and how is it different from using a Public Cloud. The following are some of the important aspects of building a Data Center. Identify the location of end users of applications to be hosted and setup the Data Center at a location closest to them . An Organization would use its IT infrastructure as a means to provide its employees and other stakeholders (suppliers, dealers, customers etc.), access to software applications and data that is used by them for their business. Such users are generally called as end users of applications. The location where the IT infrastructure is hosted/kept is a Data Center. It is important to identify a location for the Data Center, such that it is as close as possible to the end users. This will ensure that Network
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Create a Free Cloud Account with Oracle Cloud ( Unravel OCI Part 1 - Post 3)

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In this blogpost you will see the workflow of creating a free trial Oracle Cloud account. If you would like to create an account, you can follow the instructions and have your Free Oracle Cloud Account created. You need to have the following ready ( you need to provide these details during signup) An Email id which you have access to A Mobile Phone to receive a One Time Password  A Unique Identifier in Oracle Cloud for your Tenancy ( you will type out the same).  An International Credit Card ( Oracle just validates the card, it makes a charge and reverses the same) Your address ( home or office).  A Password that meets the requirements Visit www.oracle.com from your browser On the top right, you have the link to Oracle Cloud Free Tier, click on that. You are taken to the Oracle Cloud Free Tier page as shown below On the bottom left of this page, you have a button for Start for free, click on that. You are taken to the Cloud Account sign up page. Provide you
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SSH Key Pair Creation ( Unravel OCI Part 1 - Post 2)

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  Practices for SSH Keys Creation 1. First you shall create an SSH key using the Linux VM you have on your computer. The purpose of SSH keys is to provide a Secure Connection to the compute instance. You can also look at the video on Youtube - https://youtu.be/2HnJFOMewJE to understand about SSH Key pair. 2. An SSH Key pair is a unique combination of Public Key and Private key, used to secure the ssh communication between a client and server. The Public Key is uploaded to the Server and the Private Key is used to connect to the server from a client. 3. Login to the Linux VM as the oracle user ( password - oracle) Right click on the Linux VM desktop and click on Open Terminal 4. In the terminal check your current directory using pwd command as given in the screenshot below. 5. Now create a key with the following command 6. If you already have a pair of SSH keys, you can use that also, you don’t need to generate the keys, but its recommended to create it to mak
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Practices for Lab VM Setup ( Unravel OCI Part 1 - Post 1)

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Practices for lab VM Setup, for doing practices as given in further Blog Posts 1. You need to have a Linux machine to create ssh keys or use PuttyGen to create the ssh keypair. Keep in mind the practices in future books on rest API , CLI , Terraform, Storage Gateway etc. you will need a Linux Instance (supported version). 2. I have created a Oracle Linux VM that meets all these. Kindly download the Oracle Linux VM available at  www.tisyasolutions.com/oci-vm and is about 8GB in size.  On visiting the url you will see the image as shown below 3. Click on Download to download the VM Image. 4. Hereafter this downloaded file is referred to as the VM Image. 5. You need to download and install VirtualBox from www.virtualbox.org . This book assumes you are using VirtualBox 6.0.4. Though the features may get added in future releases, the core features should be similar to the version used here. 6. Once you have installed VirtualBox, you can set preferences as to where you
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