Cloud

 AWS root account MFA setup 1. Login your aws root account  2. Select the My Security Credentials 3. Select th e  Multi-factor authentication and click Activate MFA 4. Choose Any MFA device, for now I will choose Virtual MFA device 5. Scan the QR code with authentication app (google,authy) and fill the 2 MFA code. 6. After all steup logout again and login back. Thank you! 😊 

Generate the ssh key  $ ssh-keygen -t ed25519 -C "your_email@example.com"   Save the ssh key   > Enter a file in which to save the key (/Users/you/.ssh/id_ed25519): [Press enter]   Type a secure passphrase   > Enter passphrase (empty for no passphrase): [Type a passphrase] > Enter same passphrase again: [Type passphrase again]   Add ssh key to ssh-agent   $ eval "$(ssh-agent -s)"   $ open ~/.ssh/config if not exist, create it.   $ vi ~/.ssh/config   Host * AddKeysToAgent yes UseKeychain yes IdentityFile ~/.ssh/id_ed25519    Note: If you see an error like this /Users/USER/.ssh/config: line 16: Bad configuration option: usekeychain    add IgnoreUnknown UseKeychain in .ssh/config     Copy the SSH public key to your clipboard. more ~/.ssh/id_ed25519.pub   Select an copy your pub key and place in your github account   In the user settings sidebar, click SSH and GPG keys.  Click New SSH key...

Named profile    A named profile is a collection of settings and credentials that you can apply to a AWS CLI command. Requirement  aws users  aws cli    Creating the User access key Access to your aws console account and open to iam ( https://console.aws.amazon.com/iam/ )   Choose users    Choose security credential tap      In the Access keys section, choose Create access key .    To download the key pair, choose Download .csv file .   Creating AWS named profile    $ aws configure AWS Access Key ID [None]: AKIAIOSFODNN7EXAMPLE (Your key id) AWS Secret Access Key [None]: wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY (Your Secret Key) Default region name [None]: ap-southeast-1   This will have created the ~/.aws/credentials file and ~/.aws/config populated it with the credentials settings.   $ ls -la ~/.aws/ total 16 drwxr-xr-x       4...