Articles and stories

May 19, 2020
Control Tower

How to install AWS Control Tower in existing AWS Organization

AWS Control Tower provides the easy and efficient way to set up and govern secure, multi-account AWS environment based on best practices established through AWS’ experience […]
May 11, 2020
Control Tower

How to create AWSControlTowerExecution IAM role in AWS account

To enrol the existing AWS account in AWS Control Tower as a managed account, the account must have the AWSControlTowerExecution this role created. The AWSControlTowerExecution role allows AWS […]
May 10, 2020
active-directory

How to find if the windows server is in an Active Directory domain via PowerShell?

The Win32_ComputerSystem class represents a computer system operating in a Win32 environment. You can find more information here. Win32_ComputerSystem has a PartOfDomain property that indicates whether the computer is […]
May 10, 2020
/ets/shadow

How to remove password from /etc/shadow

The /etc/shadow file stores actual password in encrypted format and other passwords related information such as user name, last password change date, password expiration values, etc,. Historically, the /etc/passwd file […]
May 10, 2020
keep-calm-and-learn-cloud-computing

Test Preparation Checklist by Dr. Richard Felder

Test Preparation Checklist This checklist was developed by Dr. Richard Felder. Answer “Yes” only if you usually did the things described (as opposed to occasionally or […]
March 11, 2020

Bottlerocket – an open-source operating system for containers

AWS today released of a new, open-source software container operating system Bottlerocket running on bare metal servers or virtual machines. AWS Bottlerocket is currently available in […]
January 2, 2020

How to run multiple commands with ‘docker run’ command

Sometimes we need to run multiple shell commands in docker when we start the docker container To run multiple commands in docker, use /bin/bash -c and […]
May 25, 2019
terraform_Logo

How to upgrade terraform to v0.12 version

As terraform released a major version of terraform cli, providing many improvements mainly in terms of syntax, better error handling, etc, there is a need for […]
March 28, 2019

How to monitor any web endpoint using AWS

It’s crucial to know when your public HTTP(S) APIs or web applications go down, even for a short moment. Interruption of service could be extremely detrimental […]
March 24, 2019

Send logs from docker instance to AWS CloudWatch

Let see how can docker logs be sent to AWS CloudWatch with docker-compose & as well as docker run command which is running on ec2 or […]
January 16, 2019
nodejs-logo

Nodejs 8 installs nodejs 6 version on Centos/Amazon/Ubuntu Linux. How to solve the issue?

Yesterday while updating nodejs on my jenkins slave server(Amazon linux), I was contineouslly failing. The thing is I already had a nodejs 6 installed and I […]
November 30, 2018

AWS Lambda new features announced in AWS reinvent

AWS announces a slew of new Lambda features Today(29th-Nov-2018) at AWS re:Invent in Las Vegas, the company announced several new features to make it more developer […]
October 16, 2018
multiline shell

multiline shell command in entrypoint of docker-compose file

Sometimes we need to execute multiline shell commands in entrypoint element of docker-compose file. Also for program readability perspective, its good idea to split the long […]
Bitnami