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Category: Kubernetes

[Golang / EKS] Accessing AWS EKS with Go: A Comprehensive Guide to Interacting with Kubernetes APIs

Posted on March 7, 2025March 7, 2025 By nim No Comments on [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

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…

Read More “[Golang / EKS] Accessing AWS EKS with Go: A Comprehensive Guide to Interacting with Kubernetes APIs” »

AWS - Amazon Web Service, Golang, Kubernetes

[CoreDNS] How to improve the Coredns performance.

Posted on February 4, 2025September 3, 2025 By nim No Comments on [CoreDNS] How to improve the Coredns performance.
[CoreDNS] How to improve the Coredns performance.

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…

Read More “[CoreDNS] How to improve the Coredns performance.” »

AWS - Amazon Web Service, Kubernetes

[Cilium] Cilium Pods crash when upgraded to K8S 1.30

Posted on January 16, 2025January 16, 2025 By nim No Comments on [Cilium] Cilium Pods crash when upgraded to K8S 1.30
[Cilium] Cilium Pods crash when upgraded to K8S 1.30

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

Kubernetes

[Rancher/API] Edit k8s resources using the Rancher API.

Posted on December 3, 2024December 3, 2024 By nim No Comments on [Rancher/API] Edit k8s resources using the Rancher API.
[Rancher/API] Edit k8s resources using the Rancher API.

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….

Read More “[Rancher/API] Edit k8s resources using the Rancher API.” »

Kubernetes, Laravel

[Kubernetes] How to Protect Your K8S.

Posted on March 12, 2024March 13, 2024 By nim No Comments on [Kubernetes] How to Protect Your K8S.
[Kubernetes] How to Protect Your K8S.

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…

Read More “[Kubernetes] How to Protect Your K8S.” »

Kubernetes

[Ingress-nginx] Snippet directives are disabled by the Ingress administrator

Posted on March 5, 2024 By nim No Comments on [Ingress-nginx] Snippet directives are disabled by the Ingress administrator
[Ingress-nginx] Snippet directives are disabled by the Ingress administrator

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…

Read More “[Ingress-nginx] Snippet directives are disabled by the Ingress administrator” »

Ingress

[Kasm] Stream your workspace directly to your web browser…on any device and from any location.

Posted on February 18, 2024 By nim No Comments on [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.

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…

Read More “[Kasm] Stream your workspace directly to your web browser…on any device and from any location.” »

BareMetal, Kubernetes

[Rancher] Login Rancher by Azure ID or MicroSoft account.

Posted on December 18, 2023June 17, 2024 By nim No Comments on [Rancher] Login Rancher by Azure ID or MicroSoft account.
[Rancher] Login Rancher by Azure ID or MicroSoft account.

Chúng ta đã học cách configure để login vào 1 system bất kì bằng Google.Con integrate với Microsoft Account thì chưa? Nào chúng ta cũng tạo 1 tài khoản azure và làm việc trên nào. Chúng ta thực hiện tạo 1 App registration Tiếp theo bạn chọn đối tượng loging Nó cũng có những phần…

Read More “[Rancher] Login Rancher by Azure ID or MicroSoft account.” »

Azure Cloud, Kubernetes

[K8S] How to distribute pod all over node on K8S

Posted on November 23, 2023November 23, 2023 By nim No Comments on [K8S] How to distribute pod all over node on K8S
[K8S] How to distribute pod all over node on K8S

The affinity spec, particularly the podAntiAffinity section in Kubernetes, is used to control how pods are scheduled relative to each other What is Pod Anti-Affinity? Pod Anti-Affinity is a Kubernetes scheduling feature that prevents pods with specific labels from being placed on the same node or a set of nodes. It’s used to increase application…

Read More “[K8S] How to distribute pod all over node on K8S” »

Kubernetes

[Synthetic Test] Create a Status Page for your product easily.

Posted on November 17, 2023October 26, 2024 By nim No Comments on [Synthetic Test] Create a Status Page for your product easily.
[Synthetic Test] Create a Status Page for your product easily.

Mình chắc hẳn các bạn đã sử dụng các dịch vụ như là github, aws, …Và khi bạn vào hay sử dụng dịch vụ bạn thấy lag lag,Bạn lên google và gõ các từ khóa như là github status Bạn cũng đang muốn làm 1 status page như github. 1) Uptime-Kuma 1.1) Install Uptime-Kuma on…

Read More “[Synthetic Test] Create a Status Page for your product easily.” »

Coding, Kubernetes

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