Monday, November 4, 2019

How to enable https backends in nginx without adding back-end server's certificates

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lets assume that we have a requirement to proxy from https://nginxserverip:443 to https://backendserverip:443 as mentioned below, htt...

Setup lets-encrypt certbot certificates with nginx server in debian-ubuntu Linux

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Prerequisites 1. first your nginx server must be publicly accessible via a public ip. If not you will get an authentication error when cr...
Saturday, October 26, 2019

Create aws private eks cluster using eksctl commands

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$ eksctl create cluster — name <cluster name> — region <your region> — vpc-private-subnets=subnet-xxxxxxxx,subnet-xxxxxxxxxxxx ...

Complete configuration of AWS CLI in Ubuntu for EKS (Kubernetes)

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AWS CLI installation is pretty simple in an ubuntu. but there is a one concern when you install aws cli in ubuntu which is the available ve...
Monday, April 1, 2019

How to setup rolling update in kubernetes deployments

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Please note that below rolling update exercise is only applicable if you maintaining container image versioning for each deployment. That ...

Kubernetes Rolling update / restart without changing the version of pods

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With the default kubernetes we cannot maintain rolling update while keeping the same container version but there is a workaround for this, ...
Tuesday, March 26, 2019

How to set istio ingress gateway to an application to access from outside the network

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To see current gateways and their ips with ports, # kubectl get svc istio-ingressgateway -n istio-system Below is the network traf...