My Public Notepad

Elasticsearch nodes are individual instances of Elasticsearch servers that are part of a cluster. Each node stores data and participates in ...

An Elasticsearch index is a logical namespace that stores and organizes a collection of related JSON documents, similar to a database table ...

CoreDNS is a DNS server that runs inside Kubernetes and is responsible for service discovery — i.e., translating service names (like my-serv...

A web application firewall is in place to protect public-facing web applications from outside threats. WAF should be appropriately deployed ...

xargs  builds and executes command lines from standard input. While pipe command (|) takes the stdout of the previous command and forwards i...

  A VPC Endpoint is a network component that enables private connectivity between AWS resources in a VPC and supported AWS services , withou...

  There are several types of AWS policies, but the primary and most commonly referenced categories are identity-based policies and resource-...