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  • How to run Python 3 virtualenv in Ubuntu

    As best practice, whenever you have a new project in Python you should always run it in a virtual environment so that packages will not be installed globally that may affect system tools. The most common virtual environment for Python3 is virtualenv. By default, Python3 is already installed in Ubuntu, but virtualenv is not. The […]

    October 5, 2022
  • How to install pip3 in Ubuntu

    If you’ve installed Ubuntu recently, by default it comes with Python 3 installed. The issue is when you want to install a Python package, then you will need pip3.

    October 4, 2022
  • How to show battery percentage in Ubuntu 22.04

    If you are the type of person who wants to know your battery percentage without clicking anything then you will not be happy with the default system tray battery icon of Ubuntu 22.04, since it does not show the battery percentage. Follow the tutorial below on how you can always show the Battery Percentage in […]

    September 30, 2022
  • AWS SSO cannot attach a permission set in an AWS account using Delegated Administrator account and how to solve it

    If you have assigned an AWS Single Sign-On (SSO) Delegated Administrator Account you might have noticed that there are permission sets that you cannot assign to your accounts. The reason for this is that if you are in the Delegated Administrator Account, you cannot assign any Permission Set that you already have assigned to the […]

    September 30, 2022
  • AWS SSO issue with Customer Managed Policies and how to solve it

    If you are using AWS Single Sign-On (SSO) and you plan to use a Permission Set in multiple AWS accounts and will be using Customer Managed Policies, it’s annoying that you actually have to create a Customer Manage IAM Policy in each of your target AWS Account, before you could use it.

    September 30, 2022
  • How to disable screen lock in Ubuntu 22.04 Desktop

    If you are idle for 5 minutes on a fresh install Ubuntu 22.04 Desktop, you’ll be surprised that a lock screen will display and you have to re-login. Lock screens are not actually bad since it’s a security feature that will help prevent other people operating your computer when you left it alone. But for […]

    September 29, 2022
  • How to initialize a new React.js App in your local development environment

    If you keep on forgetting how to create a new project in React.js, you are definitely not alone. I’m writing this post because I keep on forgetting it. So to my future self, just follow the steps below to initialize a new React.js App. #1 Install the most recent version of Node.js. Installers can be […]

    July 5, 2022
  • How to solve Google Authenticator MFA no longer working

    If the multifactor authentication (MFA) codes in your Google Authenticator stops working, the problem most probably is the time of your Android device is not synced. I’ve experience this issue with Google Authenticator when I was logging into my AWS management console. I am sure that I am using the correct credentials and correct Google […]

    July 4, 2022
  • How to solve service limit not sufficient error when launching Control Tower in a new AWS Account

    If you just created an AWS account and tried to set up the Landing Zone via Control Tower in the AWS management console, you might encounter the error Your AWS environment is not ready for AWS Control Tower to be set up. AWS Control Tower detected issues with your AWS account environment that prevent successful […]

    June 29, 2022
  • What AWS account will be billed for using AWS Network Firewall across multiple AWS Accounts?

    Question: If we have an AWS Network Firewall and its endpoints are launched across multiple AWS Accounts, which AWS Account will be billed? Is it the account where AWS Network Firewall rules are configured or the AWS Account that has the Network Firewall endpoint?

    June 7, 2022
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