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Month: September 2023

[Docker] HOW TO INSTALL DOCKER ON WINDOWS SERVER 2022

Posted on September 30, 2023 By nim No Comments on [Docker] HOW TO INSTALL DOCKER ON WINDOWS SERVER 2022
[Docker] HOW TO INSTALL DOCKER ON WINDOWS SERVER 2022

1 số case thì mình cũng cần build image windows.và chúng ta cần 1 con windows server có docker trên đó

Docker

[Golang] List large files in the folder quickly on Golang

Posted on September 29, 2023September 30, 2023 By nim No Comments on [Golang] List large files in the folder quickly on Golang
[Golang] List large files in the folder quickly on Golang

Certainly! Using tools like find on Unix-based systems can be a more efficient way to list files, especially for very large directories. Here’s a guide on how to integrate the find command with a Go program: Step-by-Step Guide: Example: Here’s a simple Go program that uses the find command to list all files in a…

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Golang, Uncategorized

[Terraform / EKS] Build EKS and Karpenter by Terraform.

Posted on September 22, 2023 By nim No Comments on [Terraform / EKS] Build EKS and Karpenter by Terraform.
[Terraform / EKS] Build EKS and Karpenter by Terraform.

Thấy bài này hay nên mình lưu lại:https://itnext.io/terraform-building-eks-part-3-karpenter-installation-124b4ced729f

AWS - Amazon Web Service, Kubernetes

[EKS] Adjusting things to migrate EKS legacy to new versions.

Posted on September 19, 2023 By nim No Comments on [EKS] Adjusting things to migrate EKS legacy to new versions.
[EKS] Adjusting things to migrate EKS legacy to new versions.

Nếu anh em đã có provison eks windows trước đó thì anh có thể thấy 2 thành phần: vpc-admission-webhook and vpc-resource-controller trong eks cluster của anh em. Nhưng ở các version mới của eks từ 1.23 + thì aws ko còn sử dụng chúng nữahttps://docs.aws.amazon.com/eks/latest/userguide/windows-support.html#enable-windows-support Và chúng ta cần remove vpc-admission-webhook and vpc-resource-controller ra khỏi cluster nếu bạn đang…

Read More “[EKS] Adjusting things to migrate EKS legacy to new versions.” »

AWS - Amazon Web Service, Kubernetes

[Tetragon] Security Observability and Runtime Enforcement

Posted on September 17, 2023September 17, 2023 By nim No Comments on [Tetragon] Security Observability and Runtime Enforcement
[Tetragon] Security Observability and Runtime Enforcement

Tetragon is a flexible Kubernetes-aware security observability and runtime enforcement tool that applies policy and filtering directly with eBPF, allowing for reduced observation overhead, tracking of any process, and real-time enforcement of policies. https://isovalent.com/blog/post/can-i-use-tetragon-without-cilium-yes/

Kubernetes

[Docker] Setup Docker for Windows Containers (NO Docker Desktop Needed!)

Posted on September 15, 2023 By nim No Comments on [Docker] Setup Docker for Windows Containers (NO Docker Desktop Needed!)
[Docker] Setup Docker for Windows Containers (NO Docker Desktop Needed!)

Setting up Docker for Windows Containers manually is not really that hard to do. You can use Docker for Desktop, but if you don’t want to pay for a license, you can easily set up the Docker Daemon and CLI utilities to work with all your favorite development tools like Visual Studio or VS Code….

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Docker

[Python] Python connects MongoDB

Posted on September 15, 2023 By nim No Comments on [Python] Python connects MongoDB
[Python] Python connects MongoDB

Đầu tiên là 1 vài lệnh ban đầu code: file requirements.txt

Python

[Prometheus] filter or allowlist metrics before sending to the remote storage via remote_write in Prometheus

Posted on September 14, 2023January 11, 2024 By nim No Comments on [Prometheus] filter or allowlist metrics before sending to the remote storage via remote_write in Prometheus
[Prometheus] filter or allowlist metrics before sending to the remote storage via remote_write in Prometheus

There are a few options to filter or allowlist metrics before they are sent to the remote storage via remote_write in Prometheus: 1. Use metric relabeling You can configure relabelling rules on the remote_write config to filter or transform metrics before they are sent. For example: with metrics: my_metric_http{status_code=200, cluster=nim] 100my_metric_http{status_code=500, cluster=nim] 100k8s_metric_memory{container=web, cluster=nim] 100…

Read More “[Prometheus] filter or allowlist metrics before sending to the remote storage via remote_write in Prometheus” »

Prometheus

[DevSecOps] Mutation testing

Posted on September 11, 2023 By nim No Comments on [DevSecOps] Mutation testing
[DevSecOps] Mutation testing

Look into Mutation testing. Mutation testing is a type of software testing where certain statements in the source code are changed (or “mutated”) to determine if the test cases can detect the changes. The idea is to ensure that the test suite is robust and can catch defects in the code. Here’s a basic overview…

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DevSecOps

How to join labels of 2 different metrics on PromQL

Posted on September 8, 2023 By nim No Comments on How to join labels of 2 different metrics on PromQL
How to join labels of 2 different metrics on PromQL

Look into the situation Đầu tiên chúng ta có 2 metric labels như sau: Metrics and Labels: Look into kube_pod_container_info metrics. With kube_pod_container_info Look into windows_container_cpu_usage_seconds_kernelmode windows_container_cpu_usage_seconds_kernelmode thì có container_id, nhưng lại không có namespace, pod, container==> Bằng mắt: thì chúng ta không thể nào nhận biết được CPU usage này của container nào. Từ…

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Prometheus

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