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Month: February 2023

[aws-sdk-go] Integrate with AWS by golang

Posted on February 25, 2023 By nim No Comments on [aws-sdk-go] Integrate with AWS by golang
[aws-sdk-go] Integrate with AWS by golang

Hôm nay nghịch tý golang call vào awsở V2 còn nhiều compose chưa được phát triểnbài này mình test với S3 trên aws. Resolve: https://stackoverflow.com/questions/25027462/aws-s3-the-bucket-you-are-attempting-to-access-must-be-addressed-using-the-spec Và sau đây là code sample

Golang

[Golang] Looking filepath.Walk to return any file and children folder in the folder

Posted on February 24, 2023February 25, 2023 By nim No Comments on [Golang] Looking filepath.Walk to return any file and children folder in the folder
[Golang] Looking filepath.Walk to return any file and children folder in the folder

The filepath.Walk function is used to traverse a directory tree recursively, starting from a given directory path. It walks the directory tree and calls a given function once for each file or directory found, passing in information about that file or directory. The function signature of filepath.Walk is: where root is the starting directory path, and walkFn is the function to be called…

Read More “[Golang] Looking filepath.Walk to return any file and children folder in the folder” »

Golang

[Linux] Error when run apt update

Posted on February 23, 2023February 23, 2023 By nim No Comments on [Linux] Error when run apt update
[Linux] Error when run apt update

Khi mình run apt update thì bị lỗi Cách fix:https://github.com/kubernetes/release/issues/1982

BareMetal

[Metallb] Create LoadBalancer Service on K8S (on-premise) so easily

Posted on February 20, 2023March 20, 2023 By nim No Comments on [Metallb] Create LoadBalancer Service on K8S (on-premise) so easily
[Metallb] Create LoadBalancer Service on K8S (on-premise) so easily

Hiện tại phiên bản v0.13.x có 1 breakchange, but cũng rất dễ dàng setup. https://metallb.universe.tf/ Đây là các config mẫu.Bạn cần chọn ra 1 range IP cho loadbalancer.

Ingress, Kubernetes, MetalLB

[ingress-nginx] ingress /contains invalid path

Posted on February 15, 2023February 15, 2023 By nim No Comments on [ingress-nginx] ingress /contains invalid path
[ingress-nginx] ingress /contains invalid path

Vừa qua mình gặp mội lỗi trên ingress nginx khi tạo ingress cho rancherkhi vào trong thì bị 404 và log trong ingress controller như dưới mình có đọc bài này:https://stackoverflow.com/questions/64946195/invalid-value-for-nginx-path

Ingress

[Samba] Looking into Locks and Oplocks in Samba-Server

Posted on February 10, 2023February 10, 2023 By nim No Comments on [Samba] Looking into Locks and Oplocks in Samba-Server
[Samba] Looking into Locks and Oplocks in Samba-Server

Tôi đang copy từ này này:https://www.oreilly.com/openbook/samba/book/ch05_05.html 5.5 Locks and Oplocks Concurrent writes to a single file are not desirable in any operating system. To prevent this, most operating systems use locks to guarantee that only one process can write to a file at a time. Operating systems traditionally lock entire files, although newer ones allow a range…

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BareMetal

[Helmify] CLI that creates Helm charts from Kubernetes yamls.

Posted on February 8, 2023March 20, 2023 By nim No Comments on [Helmify] CLI that creates Helm charts from Kubernetes yamls.
[Helmify] CLI that creates Helm charts from Kubernetes yamls.

Helmify là một công cụ mã nguồn mở dùng để convert các file YAML thành chart Helm cho Kubernetes. Nó hỗ trợ việc quản lý các file YAML trong môi trường phân tán và automation trong quá trình setting up và phát triển. Helmify cũng cho phép anh em dễ dàng chỉnh sửa các file…

Read More “[Helmify] CLI that creates Helm charts from Kubernetes yamls.” »

Helm Chart, Kubernetes

[Linux] How to Check Disk Performance (IOPS and Latency) in Linux?

Posted on February 8, 2023February 17, 2023 By nim No Comments on [Linux] How to Check Disk Performance (IOPS and Latency) in Linux?
[Linux] How to Check Disk Performance (IOPS and Latency) in Linux?

Mình đã hỏi chat GPT và nó chỉ mình như sau: 1. Monitor I/O Performance Using ‘iostat’ Command: The first and most straightforward way to check disk performance in Linux is to use the ‘iostat’ utility to monitor I/O performance. ‘iostat’ can be used to monitor the I/O statistics of both CPUs and storage devices…

Read More “[Linux] How to Check Disk Performance (IOPS and Latency) in Linux?” »

Kubernetes & Container

[Karpenter] Using Karpenter instead of Autoscaling Group.

Posted on February 6, 2023 By nim No Comments on [Karpenter] Using Karpenter instead of Autoscaling Group.
[Karpenter] Using Karpenter instead of Autoscaling Group.

Refence Links:https://makendran.hashnode.dev/just-in-time-worker-nodes-with-karpenter

AWS - Amazon Web Service

[Sonarqube] Install Sonarqube on Kubernetes and integrate with GitHub Action.

Posted on February 5, 2023 By nim No Comments on [Sonarqube] Install Sonarqube on Kubernetes and integrate with GitHub Action.
[Sonarqube] Install Sonarqube on Kubernetes and integrate with GitHub Action.

1) Installing Sonarqube on Kubernetes To install the chart: Helm values: Nếu bạn cần tạo ingress cho Sonarqube. 2) Integrate GitHub Action with Sonarqube. 2.1) Create a Token on Sonarqube 2.2) Create a project on Sonarqube. 2.3) Set up GitHub Action. Nếu bạn chưa quen với github action thì có thể tham khảo:https://nimtechnology.com/2022/12/21/github-action-lets-use-github-action-to-build-and-push-the-docker-image-to-the-docker-hub/ tiếp đến…

Read More “[Sonarqube] Install Sonarqube on Kubernetes and integrate with GitHub Action.” »

Kubernetes & Container

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