• Github: Getting the SHA256 fingerprint of an SSH key

    2 min read

    When you need to check the SSH key that you are using on your GitHub account, you'll get the SHA256 fingerprint of the key.

    Github SSH Keys

    Depending on the version of OpenSSH that you are using, the fingerprint you get from using ssh-keygen -lf might be different from the one that GitHub shows you.

    22/10/2024

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  • Getting started with Argo Workflows

    6 min read

    argo workflows kubernetes containerized jobs DAGs directed acyclic graphs

    Argo Workflows is a open-source container-native workflow engine designed to run containerized jobs in Kubernetes clusters, similar to tekton.

    It uses DAGs (Directed Acyclic Graphs) or step-based workflows that will run each in a container.

    22/10/2024

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  • AWS: An error occurred (Throttling) when calling

    2 min read

    AWS Throttling limits

    When working with AWS, one might encounter errors related to throttling, such as:

    Error: An error occurred (Throttling) when calling the GenerateServiceLastAccessedDetails operation (reached max retries: 4): Rate exceeded
    

    This error occurs when an AWS service has throttled your activity: the number of API requests made for that particular account and region have exceeded the rate limit allowed for that particular service.

    10/10/2024

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  • Understanding AWS IAM Permissions Boundaries

    3 min read

    AWS IAM permissions boundaries

    AWS Identity and Access Management (IAM) is a critical service for managing access to AWS resources. Among its many features, Permissions Boundaries add an extra layer of control ro ensure that users and roles cannot exceed specific permissions, even if somehow can update their IAM policies.

    08/10/2024

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  • IAM Privileges: How to check what privileges are being used

    3 min read

    AWS cli iam privileges

    When we are working with IAM roles, it's essential to make sure that the permissions we are granting exactly what we need: No more, no less.

    The AWS SDK provides a way to check what privileges are being used by a role, group, or user. This can help us to fine-tune the permissions we are granting and remove any unnecessary privileges.

    07/10/2024

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