My CKA: Certified Kubernetes Administrator Exam Experience

I have recently passed my CKA (Certified Kubernetes Administrator) exam which really was a good experience and I think anyone working with Kubernetes can benefit from passing that exam. I have shared the following during a short video: What tips you need to pass the exam from a real world experience + exam preparation How […]

Unauthorized: Application not registered with AAD

I got this error when I was trying to configure Azure Container Registry (ACR) with my Kubernetes cluster. In my case, it was a mismatch between the username and the password that I used to create my secret. This is the complete error message: Please see the video below 👇, this will show you the […]

Accessing Kubernetes API From Inside The POD

Recently I have published a video on my YouTube channel on how to access kubernetes api from within a pod. Checking the readiness of a component outside your kubernetes pod, like the status of another pod, an ingress or a specific attribute of a service, are some of the examples, and there are many scenarios […]

Managing Users In Kubernetes

In a short video, I have shown how to create a normal user in Kubernetes, the used commands during that video are shown below, I’m also including the link to the video for reference.

Accessing Private S3 Buckets Without Credentials

A short video where I explain how you can access an s3 bucket by using a pre-signed url to upload a file. The example provided is based on python and use boto3 SDK. Errors: If you get this error: <Error><Code>SignatureDoesNotMatch</Code><Message>The request signature we calculated does not match the signature you provided. Check your key and […]

Trigger a Lambda Function to Protect Your S3 bucket

In this video I’ll show you how to trigger a python lambda function to protect your bucket. This lambda function that will automatically remove any executable file from your bucket… Of course, you can do the same using an IAM policy, but with lambda function, it’s quite a fun way to do it. 😝

Controlling User Actions Using AWS Tags

AWS tags can be used to organize your deployed resources, for billing for example, but they can also be used as a condition for policies. This will allow you to allow or deny an action based on the tag value. In this video, I explain the concept of using AWS tags for that purpose. If […]

What is a VPC Interface Endpoint

In this video, I’ll explain: The concept of an AWS VPC interface endpoint How to create an endpoint How to use it for secure communications. My objective is to simplify the concept as much as possible. Please share your comment about the video and if you want to see another subject, if the mood strike, […]

How To Synchronize Your Forked GitHub Project

In this short video, I’ll explain how to update/synchronize you forked project with an upstream repository. Sometimes, you would like to keep some libraries up-to-date from the source project while you work locally on your own copy. This is one way of doing it 👇

Unable To Remove a Bridge From an AHV Host

Incorrect bridge configuration on an AHV host can break a lot of functionalities, even if your cluster show nothing abnormal and all data replication is OK. If you go through the Prism interface and you verify: The network configuration CVM and hosts availability Cluster status and data redundancy Everything’s will look fine and this can […]