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Category: Kubernetes & Container

[Kafka-connect] Reset Connector in Kafka Connect

Posted on April 3, 2022April 3, 2022 By nim No Comments on [Kafka-connect] Reset Connector in Kafka Connect
[Kafka-connect] Reset Connector in Kafka Connect

Hello các bạn sau đâu mình sẽ trình bày về vần để reset 1 connector trên kafka. Why need you reset a connector in Kafka-connect?Vì 1 số case thì kafka-connect sẽ read data từ Database rồi write data vào trong 1 topic trên kafka.Với Mysql thì thì kafka-connect sẽ đọc log bin, với Mongodb thì…

Read More “[Kafka-connect] Reset Connector in Kafka Connect” »

Kafka Connect

[Kubernetes] Changing DNS or Hosts of the POD on Kubernetes

Posted on April 2, 2022 By nim No Comments on [Kubernetes] Changing DNS or Hosts of the POD on Kubernetes
[Kubernetes] Changing DNS or Hosts of the POD on Kubernetes

Trên máy tính thì anh em có thể dễ dang add 1 domain với IP vào file hostVậy làm việc này với các pod trên kubernetes thì sao? Example: Links:https://kubernetes.io/docs/tasks/network/customize-hosts-file-for-pods/

Kubernetes

[Kubernestes] Inserting command inside docker-compose or the manifest of a deployment

Posted on April 2, 2022 By nim No Comments on [Kubernestes] Inserting command inside docker-compose or the manifest of a deployment
[Kubernestes] Inserting command inside docker-compose or the manifest of a deployment

Chuyện là thế này. Chắc anh em hẳn ai cũng biết là khi run 1 image docker lên 1 container thì đâu hặn container đó chạy mãi mãi.Container có thể bị crash hoặc chạy xong process thì nó tắt. Có 1 cách bình hay sử dụng như trước là mình build lại Dockerfile và nhét…

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Kubernetes

[Kafka-Connect] Overwrite value of Key on Mongo Source Connector – Mongodb

Posted on April 1, 2022April 7, 2022 By nim No Comments on [Kafka-Connect] Overwrite value of Key on Mongo Source Connector – Mongodb
[Kafka-Connect] Overwrite value of Key on Mongo Source Connector – Mongodb

Mình đã có 1 bài hướng dẫn các bạn tạo Connector Source CDC từ read data từ 1 database và 1 collection thuộc 1 Mongodb và write vào topic. Ta để ý value của key sẽ thay đổi liên tục. 1st: Create Document A –(read data change)–> Kafka-connect –(write topic)–> Kafka –> 1 message có…

Read More “[Kafka-Connect] Overwrite value of Key on Mongo Source Connector – Mongodb” »

Kafka Connect

[Harbor] Install Private Docker Hub on Ubuntu

Posted on March 28, 2022October 23, 2022 By nim No Comments on [Harbor] Install Private Docker Hub on Ubuntu
[Harbor] Install Private Docker Hub on Ubuntu

Đầu tiên cài pass root Install docker https://github.com/goharbor/harbor/releases

Docker, Harbor

[Cilium/Hubble] Research together and install cilium instead of using kube-proxy and other CNI providers.

Posted on March 21, 2022September 17, 2023 By nim No Comments on [Cilium/Hubble] Research together and install cilium instead of using kube-proxy and other CNI providers.
[Cilium/Hubble] Research together and install cilium instead of using kube-proxy and other CNI providers.

Mình biết đến Cilium là do các anh bên infra trong công ty đang có plan POC and migrate các workload sang dataplane-v2 on GKE. Và mình có thấy 1 dashboard cũng hay hay kiểu giống giống như kiali. 1) A few researching first. Điều đầu tiên trong link này dưới:https://cloud.google.com/kubernetes-engine/docs/how-to/dataplane-v2You can enable GKE Dataplane…

Read More “[Cilium/Hubble] Research together and install cilium instead of using kube-proxy and other CNI providers.” »

Kubernetes, Uncategorized

[Sidecar/Kubernestes] Inject sidecar into a Pod automatically

Posted on March 13, 2022March 25, 2022 By nim No Comments on [Sidecar/Kubernestes] Inject sidecar into a Pod automatically
[Sidecar/Kubernestes] Inject sidecar into a Pod automatically

Sau khi sài istio thì mình thấy cách mà istio thêm container “istio=proxy” vào trong 1 pod của 1 workload.Cái này khá là hay.Mình thử mò trên mạng sem có anh nào demo làm được việc này ko? Và bạn có thể tham khảo repo này!https://github.com/morvencao/kube-sidecar-injector Lý do mình chọn repo trên thì ảnh code…

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Kubernetes, Uncategorized

[Lenses/kafka] Configure authentication and authorization for lenses

Posted on March 11, 2022June 2, 2022 By nim No Comments on [Lenses/kafka] Configure authentication and authorization for lenses
[Lenses/kafka] Configure authentication and authorization for lenses

Mặc định pass là admin/adminGiờ chúng ta muốn change pass admin thì làm sao. 1) Configure authentication Reference links:https://docs.lenses.io/3.0/install_setup/configuration/security.html Lenses Administrator A default account with administrator privileges is always active. The default credentials are admin / admin and if left at default, a notification will show in the user interface, informing that the setup is insecure. The default account username…

Read More “[Lenses/kafka] Configure authentication and authorization for lenses” »

Lenses

[Helm chart] how do you use “if else” in helm-chart

Posted on March 9, 2022November 29, 2022 By nim No Comments on [Helm chart] how do you use “if else” in helm-chart
[Helm chart] how do you use “if else” in helm-chart

1) equal with string Khi bạn muốn if else so sanh bằng Còn so sánh true false: Kiếm tra có tồn tại key đó ko? It is quite impressive how hard it is to check a map key in Go templates to do some simple if conditions in your Helm charts or other Kubernetes templates….

Read More “[Helm chart] how do you use “if else” in helm-chart” »

Helm Chart

[Ingress-nginx/GRPC] Let’s practice the load balancing with Ingress-Nginx and GRPC together

Posted on March 7, 2022March 8, 2022 By nim No Comments on [Ingress-nginx/GRPC] Let’s practice the load balancing with Ingress-Nginx and GRPC together
[Ingress-nginx/GRPC] Let’s practice the load balancing with Ingress-Nginx and GRPC together

Sau khi chém gió đông tây thì có nhiều anh em còn hoài nghi là liệu Ingress-Nginx có load balancing cho protocol là GRPC hay ko? Bữa trước chúng ta được 1 sư huynh chỉ code GPRC rồi giờ test thử sem sao!Public GRPC via ingress-nginx.Và tham khoả thêm bài nàyhttps://dev.to/techschoolguru/load-balancing-grpc-service-with-nginx-3fio Mô hình chúng ta…

Read More “[Ingress-nginx/GRPC] Let’s practice the load balancing with Ingress-Nginx and GRPC together” »

Ingress

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