Author Archives: admin

Backup Kubernetes Object to AWS S3 using Heptio Velero(Ark)

In this post i’ll show how to backup Kubernetes objects to AWS S3 and restoring this backup to another cluster or same cluster. This allows us to copy,move,restore our objects. First of we need Velero in our system to do … Continue reading

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CockroachDB on Kubernetes

In this post i’ll show how to deploy CockroachDB to your cluster and configure then create a example application to demonstrate how CockroachDB doing well on node/pod failures. First of all we need to install CockroachDB. In official documentation shows … Continue reading

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Getting Notified From Radio Frequency using RTL_SDR and Opsgenie

In this article i’ll show how to notified through radio signals using RTL_SDR, ham radio and Opsgenie. Setup and System RTL_SDR usb stickHam Radio Opsgenie account There is a nice SDR scanner created by madengr which called ham2mon(https://github.com/madengr/ham2mon). Edited this … Continue reading

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AWS run tasks on EC2 without SSH, AWS Systems Manager

There are many ways to deploy your application or run commands inside EC2 instance. But to avoid security related threats ssh must be blocked(imho). Even inside private vpc its always good to be careful. AWS has a tool for this … Continue reading

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Serverless Function: Recognize dogs and send to Whatsapp using Twilio and AWS Rekognition

0 0 0 0 0 0 0 While i preparing my graduation project i think i need to add some kind of recognition for demo. For that purpose i used AWS Rekognition. But obiviously thats not enough :). Function is … Continue reading

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Create and upload container images to AWS ECR with Kaniko inside Kubernetes

0 0 0 0 0 0 0 In this post i’ll show how to create container images inside Kubernetes using Kaniko and uploading to ECR repository. First of all we need to configure kaniko for ecr url and aws credentials … Continue reading

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Creating Serverless Backend using AWS Lambda and DynamoDB

0 0 0 0 0 0 0 In this post I’m going to show how to create Lambda function for creating and showing items on DynamoDB. Our diagram looks like this basically. First of all we need to create our … Continue reading

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Using Traffic Shifting on Istio to make Blue/Green Deployments on Kubernetes

0 0 0 1 0 0 0 In this post i’ll show how to do blue/green deployements on Kubernetes using Istio. After installation we should create our namespace and set istio sidecar injection. Im using namespace label with automated injection … Continue reading

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BareMetal LoadBalancer for Kubernetes using MetalLB

0 0 0 0 0 0 0 In this post i’ll show how to install and use MetalLB l2 loadbalancer for Kubernetes. If you’re not using AWS,GKE or AKS you cannot passed over to pending state on LoadBalancer service on … Continue reading

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Creating custom AWS EC2 images with Packer.io

0 0 0 0 0 0 0 In this post i’ll show how to create custom images for aws ec2 and launching them within seconds. We need to create a json file to define our image settings.

After that … Continue reading

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