From DBA to DBI

Recently Pradeep Parmer at AWS had a blog post about transitioning from DBA to DBI or in other words from database administrator to database innovator. I wonder what exactly is the difference here as any DBA worth his or her salt is an innovator in itself.

What is Purpose Built Database

 In simple words, a general Database Engine is a big clunky piece of software with features for all the use cases, and its up to you to choose which features to use. Whereas in a purpose built database, you get a lean, specific database which is only suitable for the feature you want.

5 Important Steps Before Upgrading Oracle on AWS RDS

 Even though AWS RDS (relational database service) is a managed service which means that you won't have to worry about upgrades, patches and other tidbits, you still have the option of manually triggering the upgrade at time of your choice.

Choice State in AWS Step Functions

Richly asynchronous server-less applications can be built by using AWS step functions. Choice State in AWS Step Functions is the newest feature which was long awaited.

CloudFormation Template for IAM Role with Inline Poicy

I struggled with this a bit to create a cloudformation template for IAM role with inline policy with IAM user as principal. So here it is as a quick reference:

How to Read Docker Inspect Output

Here is quick easy set of instructions as how to read docker inspect output:

First you run the command:

docker inspect <image id> or <container id>

Installing Docker on Amazon Linux 2

Installing docker on Amazon Linux 2 is full of surprises which are not easy to deal with. I just wanted to test something within a container environment, so spun up a new EC2 instance from the following AMI:

Amazon Linux 2 AMI (HVM), SSD Volume Type - ami-0ded330691a314693 (64-bit x86) / ami-0c3a4ad3dbe082a72 (64-bit Arm)

After this Linux instance came up, I just did yum update to get all the latest stuff:

 sudo yum update

All good so far.

Quick Intro to BOTO3

 I just published my very first tutorial video on youtube which lists down a quick introduction to AWS BOTO3 with a step by step walkthrough of a simple program. Please feel free to subscribe to my channel. Thanks. You can find video here.

Checklist While Troubleshooting Workload Errors in Kubernetes

 Following is the checklist while troubleshooting workload/application errors in Kubernetes:

Different Ways to Access Oracle Cloud Infrastructure

This is a quick jot down of different ways you can access the ever-improving Oracle Cloud Infrastructure (OCI). Most types of Oracle Cloud Infrastructure resources have a unique, Oracle-assigned identifier called an Oracle Cloud ID (OCID).