Linux, Networking & DNS | Vim, Sed & Awk | Google Cloud Architect | Docker | Kubernetes | Helm | Terraform | Jenkins | Argo | Python … [Read more...] about Roadmap to Mastery
Increase SSH connection timeout
In this blog we are going to see how to increase session timeout in openssh server.The can be done in two ways, you can either set this on server side or you can set this on client side. Let's check both ways. Definition ServerAliveInterval: Number of seconds that the client will wait before … [Read more...] about Increase SSH connection timeout
Check Certificate expiry in Kubernetes
In this blog post, I will show you how to check certificate expiry of certificates stored in secrets.Let's create a self-signed certificate using openSSL, openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -sha256 -days 365 Provide all the inputs for the above command, like … [Read more...] about Check Certificate expiry in Kubernetes
space invaders in golang
Space invaders game written using ecs engine and ebiten game library, credits to hggx … [Read more...] about space invaders in golang
creating kubernetes cluster using eksctl
In this blog post, I will show you how to install Kubernetes cluster on AWS using eksctlCreate Manifest file Create a file called cluster.yaml apiVersion: eksctl.io/v1alpha5 kind: ClusterConfigmetadata: name: zshaik-cluster region: us-east-1vpc: subnets: public: … [Read more...] about creating kubernetes cluster using eksctl
kubernetes RBAC: Restrict resources within a namespace
Scenario Suppose, in your organization, different teams are using a CI/CD pipeline. QA team is asking you to share the kubeconfig & the service account token to run the job to deploy on the Kubernetes cluster. But you want to restrict the QA team to access the only test namespace. Not only … [Read more...] about kubernetes RBAC: Restrict resources within a namespace
How to setup TLS certs in nginx ingress using certbot
In this blog post, I will demonstrate you how to create free certs for your domain hosted on route53 using certbot and how to terminate TLS through the nginx Ingress controller.If you are running your application on kubernetes behind a nginx ingress controller & want to terminate TLS … [Read more...] about How to setup TLS certs in nginx ingress using certbot
Download kubeconfig using eksctl
eksctl utils write-kubeconfig <cluster-name>eksctl get cluster -A … [Read more...] about Download kubeconfig using eksctl