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Rafael Natali
DevOps, K8s, Cloud, and more...
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Rafael Natali
3 days ago4 min read
Securing the Kubernetes Host Operating System
It is crucial to prioritise Kubernetes security by safeguarding the Kubernetes host from the containers operating on it.
2 views0 comments
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Rafael Natali
Oct 4, 20242 min read
Restrict K8s Secret access to a specific ServiceAccount
Restrict K8s Secret access to a specific ServiceAccount. Good practices for Kubernetes Secrets.
107 views0 comments
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Rafael Natali
Sep 21, 20242 min read
Hands-on: Assigning Pods to Nodes using Affinity Rules
Create a highly available and resilient Kubernetes platform using Pod Affinity/Anti-affinity.
65 views0 comments
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Rafael Natali
Sep 13, 20244 min read
Handling Kubernetes vulnerabilities with CIS Benchmark
In this article, I will use a tool called kube-bench to evaluate a Kubernetes cluster for vulnerabilities covered in the CIS benchmark.
24 views0 comments
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Rafael Natali
Sep 7, 20242 min read
Securing your Azure Kubernetes Services Cluster with RBAC
In this article, I will present my perspective on securing an Azure Kubernetes cluster with the principle of least privilege as a top priori
23 views0 comments
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Rafael Natali
Aug 31, 20245 min read
Kubernetes Certification Learning Path
Kubernetes  is a widely adopted technology, with 84% of organisations actively using or evaluating it, according to the 2023 Cloud Native...
13 views0 comments
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Rafael Natali
Mar 16, 20244 min read
Unlocking Kafka Security with Access Control Lists (ACLs)
Apache Kafka employs Access Control Lists (ACLs) as a vital component of its security infrastructure. ACLs regulate access to Kafka...
107 views0 comments
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Rafael Natali
Feb 5, 20242 min read
Kubernetes Network In Action - 3/3
This is the third and final articles explaining and detailing the Kubernetes Network model with a hands-on approach. In the first article...
54 views0 comments
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Rafael Natali
Jan 30, 20243 min read
Kubernetes Network In Action - 2/3
This is the second of three articles explaining and detailing the Kubernetes Network model with a hands-on approach. In the first...
60 views0 comments
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Rafael Natali
Jan 22, 20242 min read
Kubernetes Network In Action - 1/3
This is the first part of three articles explaining and detailing the Kubernetes Network model with a hands-on approach. The series will...
104 views0 comments
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Rafael Natali
Jan 15, 20242 min read
Monitoring Kafka Container Health with Probes
This article will describe how to use Kubernetes Probes to monitor the health of your Kafka pods. Container Health K8s provides a number...
112 views0 comments
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Rafael Natali
Dec 18, 20231 min read
Backing up an etcd cluster
All Kubernetes objects are stored on etcd. Periodically backing up the etcd cluster data is important to recover Kubernetes clusters...
24 views0 comments
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Rafael Natali
Nov 23, 20232 min read
Monitoring Kafka with Prometheus and Grafana
This page describes the steps to quickly implement basic monitoring for Kafka Brokers using Prometheus and Grafana. Enabling Prometheus...
71 views0 comments
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Rafael Natali
Nov 14, 20233 min read
Automate the AWS Cost Report creation
This article describes how to automate the AWS Cost Report creation and send it via email to specific subscribers.
11 views0 comments
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Rafael Natali
Oct 9, 20233 min read
Automatically Reassigning Partitions in Apache Kafka Cluster
When you need to reassign a partition to another broker or brokers, the kafka-reassign-partitions tool comes in handy. It's particularly...
141 views0 comments
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Rafael Natali
Oct 2, 20232 min read
Improving the performance of a Kafka Connect CSV source connector
When you create a source connector in Kafka Connect, by default it will use the broker's default batch.size which is 16384 bytes (16Kb)....
39 views0 comments
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Rafael Natali
Sep 26, 20233 min read
Running Kafka in Kubernetes with Kraft mode and SASL authentication.
Learn how to launch an Apache Kafka with the Apache Kafka Raft (KRaft) consensus protocol and SASL/PLAIN authentication. This article is...
1,153 views0 comments
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Rafael Natali
Sep 20, 20233 min read
Running Kafka in Kubernetes with KRaft mode and SSL
Learn how to launch an Apache Kafka with the Apache Kafka Raft (KRaft) consensus protocol and SSL encryption. This article is a...
169 views0 comments
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Rafael Natali
Sep 14, 20233 min read
Running Kafka in Kubernetes with KRaft mode
Learn how to launch an Apache Kafka with the Apache Kafka Raft (KRaft) consensus protocol, removing Kafka's dependency on Apache...
1,953 views0 comments
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Rafael Natali
Aug 22, 20233 min read
Securing Kubernetes Workloads: Implementing Effective Network Policies
Network Policies are an application-centric construct that allows you to specify how a pod is allowed to communicate with various network...
4 views0 comments
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