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How to enable CORS in Nginx

If you are trying to make API calls and you are getting the following error from nginx No Access-Control-Allow-Origin header is present on the requested resource you should definitely...

In Nginx, Sep 07, 2021

Scale AKS user node pool to 0

In case you missed some of these posts: Create AKS cluster on Azure Start and Stop AKS cluster Configure AKS automatic upgrades

In Azure, Kubernetes, Sep 06, 2021

How to list processes that are taking a lot of memory in Linux

There are situations where your web application or particular software installed on your machine takes a lot of time to load. The troubleshooting process may last long but however, yo...

In Linux, Sep 05, 2021

Schedule Automated Start and Stop for Azure VMs

Scheduling automated start and stop for Azure VMs is almost as good as provisioning and deprovisioning infrastructure on-demand, by using Infrastructure as Code (IaC) tools, like Terr...

In Azure, Sep 04, 2021

How to check if document exist in Elasticsearch

Sometimes there is a need to check whether a document exists or not in Elasticsearch. Following the ES documentation and the best practices, you can use the HEAD method instead of the...

In Elasticsearch, Sep 03, 2021

How to create Elasticsearch index

Creating an Elasticsearch index is a quick and easy process. In practise it’s an ELK API call that requires you to think of how many shards do you want to assign and replica shards as...

In Elasticsearch, Sep 02, 2021

Configure AKS automatic upgrades

Regarding to managed Kubernetes services, IMHO Azure provides the best cloud experience, for a couple of reasons. From authentication and authorization standpoint, AKS integrates well...

In Azure, Kubernetes, Sep 01, 2021

Configure Azure CLI automatic upgrades

As part of the Azure CLI series, today we are going to see how we can configure automatic upgrades.

In Azure, Aug 31, 2021

How to check Elasticsearch Cluster health

Knowing how to get statistics and understand the output from an Elasticsearch cluster can be very useful for a DevOps guy. This tutorial is aimed to show you how to check Elasticsearc...

In Elasticsearch, Aug 30, 2021

How to check if command succeeded in Linux

As a DevOps engineer, or any other Operation roles, we sometimes need to check if a linux command succeeded. There are many reasons, for example: our internet connection failed, a VPN...

In Linux, Aug 29, 2021