Ensuring robust Kubernetes security is a shared responsibility that demands collaboration between developers and operators. By addressing vulnerabilities in container images, restricting additional privileges, and restricting visibility between components, organizations can establish a secure Kubernetes environment. Developers play a crucial role in utilizing vulnerability scans, minimizing components, and implementing authentication measures, while operators enforce policies, perform vulnerability scans, and manage network visibility. Together, they fortify the container ecosystem, protecting applications and critical business assets from potential security breaches. Discover the collaborative journey to Kubernetes security and unlock the full potential of this powerful orchestration platform.
Kubernetes
Unlocking Performance and Adaptability: Exploring Kubernetes Vertical Autoscaling
Discover the power of Vertical Pod Autoscaling in Kubernetes, revolutionizing the way you scale workloads. With the ability to add resources to existing pods, vertical scaling offers enhanced performance and flexibility. Learn how this feature complements horizontal scaling, and find out when to leverage it for optimal results. From optimizing CPU and memory allocations to accommodating changing component requirements, Vertical Pod Autoscaling empowers you to adapt and fine-tune your deployments. Explore the benefits of this cutting-edge capability and unlock new possibilities for maximizing performance in your Kubernetes environment
How To Enable Sticky Session on Your Kubernetes Workloads using Istio?
Istio allows you to configure Sticky Session, among other network features, for your Kubernetes workloads. As we have commented in several posts regarding Istio, istio deploys a service mesh that provides a central control plane to have all the configuration regarding the network aspects of your Kubernetes workloads. This covers many different aspects of the […]
Kubernetes Autoscaling 1.26: A Game-Changer for KEDA Users?
The latest release of Kubernetes, version 1.26, has introduced several new autoscaling capabilities that allow users to scale their workloads based on custom metrics, multiple metrics, and a range of APIs. These features offer increased flexibility and options for scaling in Kubernetes environments. However, the KEDA project still provides additional features, such as the ability to scale “from zero” and “to zero,” which can be useful for certain types of workloads. In this article, we will explore the new autoscaling capabilities in Kubernetes 1.26 and how they compare to the features offered by KEDA.
Grafana Alerting vs AlertManager: A Comparison of Two Leading Monitoring Tools
Introduction Grafana Alerting capabilities continue to improve in each new release the GrafanaLabs team does. Especially with the changes done in Grafana 8 and Grafana 9, many questions have been raised regarding its usage, the capabilities supported, and the comparison with other alternatives. We want to start setting the context about Grafana Alerting based on […]
Understanding Istio ServiceEntry: How to Extend Your Service Mesh to External Endpoints
An Istio ServiceEntry is an object within the Istio service mesh that allows you to extend the mesh to external endpoints or internal services that are not part of the platform’s service registry. ServiceEntries allow you to specify details such as hostname, port, and protocol for the external service, as well as the resolution mode to use when accessing it. You can use ServiceEntries to apply Istio features such as load balancing, protocol switching, and authentication to external services. You can also view ServiceEntries in the Kiali graphical representation of the service mesh. ServiceEntries are useful in a variety of scenarios, including when you want to connect to external services or when you have multiple clusters and need to extend the mesh across them.
Alexandre Vázquez
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Secure Your Services with Istio: A Step-by-Step Guide to Setting up Istio TLS Connections
Looking to secure the communication between services in your Kubernetes cluster with Istio? In this article, we’ll provide a step-by-step guide on how to establish a Transport Layer Security (TLS) connection with Istio. We’ll cover how to expose TLS on the Istio ingress gateway, consume SSL from Istio, and enforce mutual TLS (mTLS) between different services in the cluster. By following the instructions in this guide, you can ensure secure communication and protect your applications from cyber threats. With Istio, you can easily centralize and externalize security aspects, allowing your applications to focus on their business logic and reducing the workload on your development team.
Kiali 101: Understanding and Utilizing this Essential Istio Service Mesh Management Tool
Looking to improve the observability and management of your Istio service mesh? Kiali is here to help. As an open-source project developed by Red Hat, Kiali provides a graphical representation of your mesh, displaying the relationships between service mesh components and key metrics like request and error rates. It also includes tools for monitoring the health of your mesh and troubleshooting issues with service communication. In addition to its observability features, Kiali offers a traffic management module and a configuration management module to help you manage your mesh. Learn how to install and use Kiali to maximize the performance of your service mesh.
Helm Templates in Files: How To Customize ConfigMaps Content Simplified in 10 Minutes
Helm Templates in Files such as ConfigMaps Content or Secrets Content. How to use variables inside files with some basic Helm functions
Nomad vs Kubernetes: 1 Emerging Contestant Defying The Proven King
Nomad is the Hashicorp alternative to the typical pattern of using a Kubernetes-based platform as the only way to orchestrate your workloads efficiently. Nomad is a project started in 2019, but it is getting much more relevant nowadays after 95 releases, and the current version of this article is 1.4.1, as you can see in […]