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Category: Kubernetes & Container

[Helm chart] Where will you save or push helm packages?

Posted on October 9, 2022October 24, 2023 By nim No Comments on [Helm chart] Where will you save or push helm packages?
[Helm chart] Where will you save or push helm packages?

Khi deploy 1 application trên k8s chắc hẳn anh em devops sẽ phải sài đến helmNếu anh em đang băn khoan việc lưu helm package ở đây?thì chúng ta cùng tim hiểu Mình lưu một số lệnh với helm package. 1) push helm package on github Đây là 1 repo vị dụ.https://github.com/mrnim94/kubernetes-manifest nếu bạn add…

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Helm Chart

[Kafka] How many partitions are enough in a topic on Kafka?

Posted on October 3, 2022March 4, 2024 By nim No Comments on [Kafka] How many partitions are enough in a topic on Kafka?
[Kafka] How many partitions are enough in a topic on Kafka?

Chúng ta cần set bao nhiều partion là phù hợp. Số partition không vượt quá số tổng CPU của các node vật lý.Số partition bằng 2 x nodeSố partitions = số pod trên k8s Bạn có thể tham khảo thêm bài viết này: https://viblo.asia/p/005-bao-nhieu-partition-la-du-cho-mot-topic-trong-apache-kafka-V3m5WQxQZO7

Kafka

[Kubernetes] Lesson8: k8s Easy – Service – Service account – ConfigMaps and Secrets

Posted on October 2, 2022November 14, 2024 By nim No Comments on [Kubernetes] Lesson8: k8s Easy – Service – Service account – ConfigMaps and Secrets
[Kubernetes] Lesson8: k8s Easy – Service – Service account – ConfigMaps and Secrets

Vẫn là Bác Ro zo mang đến cho anh em kiến thức thú vị Mount a secret key as a single file. Mình có 1 secret với key là .env Và sau đây là các bạn mount secret vào deployment. Refer to:https://techsquad.rocks/en/blog/mounting-secrets-in-kubernetes

Kubernetes

[Docker build] How to bring id_rsa to the inside container when building the image?

Posted on September 28, 2022 By nim No Comments on [Docker build] How to bring id_rsa to the inside container when building the image?
[Docker build] How to bring id_rsa to the inside container when building the image?

Bài toàn đặt ra là khi mà bạn run docker build thì yêu cần cần clone/pull 1 số repo private Mình nghĩ ra 1 cách là thực hiện COPY ~/.ssh/id_rsa /root/.ssh/như bị lỗi như bên dưới. Mình tìm thấy chả có quy định j trong .dockerignore Giờ chúng ta sự dụng argument để làm việc…

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Docker

[AWS] Creating EKS windows on AWS and Running windows pods

Posted on September 25, 2022June 11, 2024 By nim No Comments on [AWS] Creating EKS windows on AWS and Running windows pods
[AWS] Creating EKS windows on AWS and Running windows pods

Yah. Tình hình 1 project mình tham gia thì có 1 số deployment họ sử dụng các container windowsSau nhiều ngày tìm hiểu thì mình thấy là có 2 cách để provisioning cluster k8s windows trên AWS. 1) Using eks-cli to provisioning eks windows. Cách này thì bạn sẽ rất dễ thấy trên mạngmình có…

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AWS - Amazon Web Service, Kubernetes & Container

[Kubernetes] Check pods cpu/memory usage without Third Party ?

Posted on September 25, 2022September 25, 2022 By nim No Comments on [Kubernetes] Check pods cpu/memory usage without Third Party ?
[Kubernetes] Check pods cpu/memory usage without Third Party ?

Bài này chỉ cách check ram/cpu mà pod đang sử dụng. https://medium.ninja/@sudharsansadasivam/how-to-check-pods-cpu-memory-usage-without-third-party-895c68da983a error: Metrics not available for pod default/podname Check pods cpu/memory usage without installing any third party tool then you can get memory and cpu usage of pod from group. Go to pod’s exec mode kubectl exec -it pod_name — /bin/bash Run cat /sys/fs/cgroup/cpu/cpuacct.usage for cpu usage Run cat /sys/fs/cgroup/memory/memory.usage_in_bytes for memory usage.

Kubernetes & Container

[Kubernetes] Lesson8: k8s Easy – Node

Posted on September 25, 2022 By nim No Comments on [Kubernetes] Lesson8: k8s Easy – Node
[Kubernetes] Lesson8: k8s Easy – Node

Tìm hiểu về node trong k8s

Kubernetes & Container

[Kubernetes] Lesson7: k8s Easy – Pod

Posted on September 25, 2022September 25, 2022 By nim No Comments on [Kubernetes] Lesson7: k8s Easy – Pod
[Kubernetes] Lesson7: k8s Easy – Pod

Hôm này thì là một số note về pod

Kubernetes & Container

[Kubernetes] Lesson6: k8s Easy – Deployment

Posted on September 25, 2022September 25, 2022 By nim No Comments on [Kubernetes] Lesson6: k8s Easy – Deployment
[Kubernetes] Lesson6: k8s Easy – Deployment

Tiếp tục mới Picture mình chồm được về Deployment

Kubernetes & Container

[DevOpsSec] What tools does DevopsSec need to secure system/infrastructure

Posted on September 21, 2022September 21, 2022 By nim No Comments on [DevOpsSec] What tools does DevopsSec need to secure system/infrastructure
[DevOpsSec] What tools does DevopsSec need to secure system/infrastructure

Sau nhiều năm phát triển thì devops thì hiện giờ thì trường đang cần 1 title mới đó là devops Security hay còn gọi là DevopSec.Về bản chất bạn sẽ sài tool để scan anything và ra xoát anything có CVE nào ko? Mình thấy được một repo có thể hữu ích. https://github.com/sottlmarek/DevSecOps Anh khảm…

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Kubernetes & Container

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