Deploying Web-Based File Managers: File Browser and KubeFileBrowser with Docker and Kubernetes
1. File Browser 2. KubeFileBrowser
Category: Kubernetes
[K8s/ActiveMQ] Install ActiveMQ in K8s
![[K8s/ActiveMQ] Install ActiveMQ in K8s](https://nimtechnology.com/wp-content/uploads/2025/03/image-28.png?v=1742979816)
Install ActiveMQ Artemis on Kubernetes. Bạn tham khảo helm chart sau:https://artifacthub.io/packages/helm/activemq-helm-chart/active-mq Add repository Install chart Edit Heap Size in ActiveMQ Container https://activemq.apache.org/components/artemis/documentation/latest/perf-tuning.html?q=#tuning-the-vm When Artemis is under heavy load, it creates and destroys many objects quickly. Without enough memory, this leads to frequent garbage collection, causing pauses and performance degradation. Proper memory settings ensure smooth operation even during peak loads….
EKS Crossplane
Creator: https://github.com/trungvo11 Crossplane is an open-source project in the Cloud Native Computing Foundation (CNCF) that transforms your Kubernetes cluster into a universal control plane. It enables platform teams to assemble infrastructure from multiple vendors and expose higher-level self-service APIs for application teams to consume, without writing any code. Crossplane extends your Kubernetes cluster to support…
[Golang / EKS] Accessing AWS EKS with Go: A Comprehensive Guide to Interacting with Kubernetes APIs
![[Golang / EKS] Accessing AWS EKS with Go: A Comprehensive Guide to Interacting with Kubernetes APIs](https://nimtechnology.com/wp-content/uploads/2025/03/image-4.png?v=1741322591)
Mình đang câng viết 1 tool golang và sẽ access vào EKS để call tiếp các API của K8S Chúng ta đi sơ qua 1 chút về Đây là kubeconfig mà bạn hay sử dụng để access vào eks cluster. Bạn có thể thấy khi access vào eks cluster thì kubeclt sẽ cần gõ một…
[CoreDNS] How to improve the Coredns performance.
![[CoreDNS] How to improve the Coredns performance.](https://nimtechnology.com/wp-content/uploads/2025/02/image-1.png?v=1738652105)
NodeLocal DNSCache NodeLocal DNSCache enhances Kubernetes cluster DNS performance by deploying a DNS caching agent on each node as a DaemonSet. This setup allows Pods to query a local DNS cache on the same node, reducing latency and avoiding potential bottlenecks associated with centralized DNS services. PILLAR__DNS__DOMAIN is “cluster.local” by default.PILLAR__LOCAL__DNS is the local listen IP…
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[Cilium] Cilium Pods crash when upgraded to K8S 1.30
![[Cilium] Cilium Pods crash when upgraded to K8S 1.30](https://nimtechnology.com/wp-content/uploads/2025/01/image-7.png?v=1737009876)
Khi Upgrade K8s lên 1.30 khả năng cao bạn sẽ gặp lỗi nàyCilium pod crashes cause the mount-group container to constantly restart. trong log có nhả 1 lỗi: Nếu bạn sử dụng helm để install cilium thì add thêm pod annotations: Nó sẽ add thêm SecurityContext: add thêm annotations: Refer to:https://hackmd.io/@7vxmAdNPTmmlYGSRMuvbmw/H1cxr_yGkg
[Rancher/API] Edit k8s resources using the Rancher API.
![[Rancher/API] Edit k8s resources using the Rancher API.](https://nimtechnology.com/wp-content/uploads/2024/12/image-6.png?v=1733221851)
Rancher UI sẽ là 1 công cụ đắc lực để giúp anh em có thể quản lý K8s clusters một cách dễ dàng.Bạn có cũng có thể hướng dẫn nhiều anh em dev sử dụng Rancher. Bên cạnh đó bạn cũng có thể tạo Platform dành riêng cho devOps thông quá các APIs của Rancher….
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[Kubernetes] How to Protect Your K8S.
![[Kubernetes] How to Protect Your K8S.](https://nimtechnology.com/wp-content/uploads/2024/03/image-33.png?v=1710267402)
Set automountServiceAccountToken to false for this specification of kind Deployment. Service account tokens are Kubernetes secrets created automatically to authenticate applications running inside pods to the API server. If a pod is compromised, an attacker could use this token to access other resources in the cluster. For example, they could create new pods, modify existing…
[Ingress-nginx] Snippet directives are disabled by the Ingress administrator
![[Ingress-nginx] Snippet directives are disabled by the Ingress administrator](https://nimtechnology.com/wp-content/uploads/2024/03/image-11.png?v=1709624943)
Mình đã gặp lỗi biên dưới khi apply ingress nginx configuration. Ingress có config như sau:và lỗi có liên quan đến nginx.ingress.kubernetes.io/configuration-snippet Vậy nginx.ingress.kubernetes.io/configuration-snippet dùng để làm gì: is an annotation used in Kubernetes Ingress objects, particularly with the NGINX Ingress Controller. This annotation allows you to inject additional NGINX configuration into the server or…
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[Kasm] Stream your workspace directly to your web browser…on any device and from any location.
![[Kasm] Stream your workspace directly to your web browser…on any device and from any location.](https://nimtechnology.com/wp-content/uploads/2024/02/image-4.png?v=1708227288)
Mình mới được 1 bạn giới thiệu về một phần mêm remote app. Nghĩa là bạn chỉ cần sử dụng browser của máy tính, điện thoại hay tablet là có thể truy cập vào các application mà bạn muốn làm việc. Document để anh em thao khảo:https://www.kasmweb.com/docs/latest/index.html?fbclid=IwAR3bq-z8TjtgpBxGor9SzOsOYA_YbnKAgzd831qEYcmmj2Tpwc97u8pxhuk mình cũng có thể tự xài image của…