How I brought down production

I figured every SRE / Systems / DevOps / Infrastructure Engineer brings down production system some time or the other. So did I, that too on a monday morning at 11:00 am. I think this might actually be the biggest […]

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Elasticsearch basic concepts and terminology

Data in Elasticsearch is organized into indices. Each index is made up of one or more shards. A shard is a low-level worker unit that holds just a slice of all the data in the index. Each shard is an instance of a Lucene index, which you can think of as […]

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pki

Public Key Cryptography Basics

Encryption is the process of taking a message and scrambling its contents so that only certain people can look at your message. Symmetric Encryption Let’s take the example of Alice and Bob. Alice has a sensitive document that she wants […]

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Docker 103: Volumes

In the first part, we took a look at basics of Docker, building, stopping and removing them. This part will consist of mainly playing with changes and handling the concepts of volumes in docker. If we have to change few […]

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docker namespaces

Docker 102: Internal Working

Docker internal working: One of the goals of modern software development is to keep applications on the same host or cluster isolated from one another so they don’t unduly interfere with each other’s operation or maintenance. One solution to this […]

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