[OpenVPN] renew certificate for OpenVPN

Posted on By nim No Comments on [OpenVPN] renew certificate for OpenVPN
[OpenVPN] renew certificate for OpenVPN

creator: https://github.com/BananaSorcery I. Issue II. Solution DO NOT RUN ./easyrsa init-pki in any case if there is a problem. This command will re-initialize OpenVPN server and remove all existing users data. 2. Check the Common Name (CN) of the current OpenVPN server. In my case, my server name is server_jgJkjLf9OGIe5v1Z 3. Go to easy-rsa folder…

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BareMetal

EKS Crossplane

Posted on By nim No Comments on EKS Crossplane
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…

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AWS - Amazon Web Service, Kubernetes

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

Posted on 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…

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AWS - Amazon Web Service, Golang, Kubernetes

How to aws cli authenticate with AWS

Posted on By nim No Comments on How to aws cli authenticate with AWS
How to aws cli authenticate with AWS

To authenticate with AWS using the AWS Command Line Interface (CLI), you have several methods available, depending on your needs and configuration. Below are the primary methods for authentication: 1. Using IAM User Credentials This is a common method for individuals or applications that need direct access to AWS services. Steps: 2. Using IAM Identity…

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AWS - Amazon Web Service

[EKS/ S3 Mount Point] Create a Persistent Volume on EKS using an S3 Bucket.

Posted on By nim No Comments on [EKS/ S3 Mount Point] Create a Persistent Volume on EKS using an S3 Bucket.
[EKS/ S3 Mount Point] Create a Persistent Volume on EKS using an S3 Bucket.

refer to install:https://github.com/awslabs/mountpoint-s3/blob/main/doc/CONFIGURATION.md Mountpoint for Amazon S3 is optimized for applications that need high read throughput to large objects, potentially from many clients at once, and to write new objects sequentially from a single client at a time.==> S3 Mountpoint này sẽ hỗ trợ cho việc ghi file mới và đọc file từ nhiều client…

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AWS - Amazon Web Service

[CoreDNS] How to improve the Coredns performance.

Posted on 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…

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AWS - Amazon Web Service, Kubernetes

[Cilium] Cilium Pods crash when upgraded to K8S 1.30

Posted on 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

[Terminal/Huh] Build Terminal Form By golang.

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[Terminal/Huh] Build Terminal Form By golang.

Ở một post trước mình đã hướng dẫn các bạn bạn build cli hoặc giống như là kubeclt: Ở lần này chúng ta sẽ nâng cấp hơn lên tầm cao mới.Build 1 terminal UI bằng golang. https://github.com/charmbracelet/huh Nó là thư viện đơn giản và mạnh mẽ cho việc xây dựng form và prompts tương tác…

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Golang

[Grafana] Easily install Grafana on Kubernetes using a Helm chart.

Posted on By nim No Comments on [Grafana] Easily install Grafana on Kubernetes using a Helm chart.
[Grafana] Easily install Grafana on Kubernetes using a Helm chart.

1) Install Grafana using Helm chart. ở bài này mình xin hướng dẫn cài bạn cài grafana trên k8s bằng helm chart: Chúng ta cần chú ý value 1 chút:Mình cần tạo ingress cho grafana luôn nên mình sẽ cần update values of helm install 1 chút với helm values trên thì nó tự động…

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Coding, Grafana