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Local cluster with kind on Mac M2

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Local cluster with kind on Mac M2

Installation Tools used in this setup: * kind: https://kind.sigs.k8s.io/ * ingress-nginx: https://kubernetes.github.io/ingress-nginx/ * cert-manager: https://cert-manager.io/ Install kind on Mac using brew: brew install kind Create a kind cluster (1 control plane node + 2 worker nodes) with extraPortMappings and node-labels cat <

Manage multiple runtime versions with asdf

Manage multiple runtime versions with asdf

In short: asdf is a tool version manager. Let's get started with asdf on Linux using bash shell sudo apt install curl git git clone https://github.com/asdf-vm/asdf.git ~/.asdf --branch v0.13.1 Add the following to ~/.bashrc . "$HOME/.asdf/asdf.sh" . "$HOME/.asdf/completions/asdf.bash"

Colima on Mac M2

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Colima on Mac M2

Colima is one of my favorite tools to work on container runtimes on macOS (and Linux). Colima launches Lima behind the scenes and sets up VMs with a container runtime and K8S. Install Colima: See official guide here Before we get started, let do some checks $ docker --version Docker version

SDKMAN - a handy tool

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SDKMAN - a handy tool

From sdkman website: 💡Meet SDKMAN! – your reliable companion for effortlessly managing multiple Software Development Kits on Unix systems There are a lot of SDKs supported by SDKMAN!: Java, Groovy, Kotlin, Scala, Gradle, Maven, Leiningen, Micronaut, Grails, Vert.x, JBake, AsciidoctorJ... Quickstart curl -s "https://get.sdkman.io" | bash sdkman will

Some Let's Encrypt Facts

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Some Let's Encrypt Facts

Time validity Certificates issued by LE are valid for 90 days. SAN (Subject Alternate Name) A certificate contains up to 100 domain names in SAN list. The domain names map directly into names of servers, as sub-domain wildcards are not allowed. Wildcard support Wildcard certificates are available from March 2018

Working with K8S Network Policy

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Working with K8S Network Policy

When to use network policy? 👉 Control traffic flow at the IP and port level (OSI layer 3 or 4). The quick way to get started with network policy is to use minikube with Calico plugin. See my previous post to configure minikube. minikube start \ --network-plugin=cni \ --cni=calico 💡CNI is

Local K8S cluster setup with Minikube on Mac OS

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Local K8S cluster setup with Minikube on Mac OS

Introduction Having a local K8S cluster is handy for container development. Minikube is one of my favorite tools for kubernetes development. It's stable and support quite a lot of features. The environment of the setup: - Mac OS 13.3.1 - minikube version: v1.31.2 The easiest way

Get AWS Account ID using CLI

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Get AWS Account ID using CLI

The get-caller-identity command returns the User Id, Account Id, and the ARN of the caller (User or role). 💡Used the --query parameter to filter by the Account property to only return the account id aws sts get-caller-identity --query "Account" --output text We also set the --output parameter to text to

Github mặc định sẽ bật xác thực 2 lớp từ 21-09-2023

Github mặc định sẽ bật xác thực 2 lớp từ 21-09-2023

Người dùng Github sẽ nhận được thông báo sau khi đăng nhập vào tài khoản: 💡GitHub users are now required to enable two-factor authentication as an additional security measure. Your activity on GitHub includes you in this requirement. No action is required on your part, but two-factor authentication will be