Tony – Medium

2 hours ago

K8s — Containerd Introduction Part1

A more open and stable container running infrastructure — Before learning Containerd, it is necessary for us to make a brief review of the development history of Docker, because there are a lot of components involved in actual combat, and we will often hear many of them, but it is not clear what these components are used for, such…

Kubernetes

6 min read

1 day ago

Python Boot Camp 2 — List and Tuple

Differences between list and tuple — Data structures are the foundation of every programming language. Understanding and mastering the basic data structures of Python is crucial to learning the language well. Today we will learn the two most common data structures in Python: lists and tuples. List and Tuple Basics In Python, both lists and tuples are ordered collections that…

Python

6 min read

Published in Geek Culture

·3 days ago

Python — Five Ways to Write Singleton

How to write singleton pattern in Python — Why Singleton Pattern The Singleton Pattern is a common software design pattern whose main purpose is to ensure that only one instance of a class exists. Singleton objects come in handy when you want only one instance of a class to appear in the entire system. For example, the configuration information of a…

Dev Ops

6 min read

Published in Dev Genius

·4 days ago

K8s — Ingress Controller and Ingress Class

Ingress controller and Ingress class introduction — In my last K8s article, I talked about “K8s Ingress Rules”, which can be used to forward user requests to existing K8s services. These routing rules define how traffic should be distributed and forwarded, based on HTTP/HTTPS protocols. We know that Service itself has no service capability, it is just…

Kubernetes

8 min read

K8s — Ingress Controller and Ingress Class

Published in Towards AWS

·5 days ago

AWS — Cloud Development Kit

Introduction to AWS CDK — What is AWS CDK AWS CDK (Cloud Development Kit) is an open-source software development framework to define your cloud application resources using different programming languages. It has the following advantages: Easier cloud onboarding: It provides high-level components (constructs) that preconfigure cloud resources with proven default. Faster development process: It uses the familiarity and expressive…

AWS

5 min read

Published in Geek Culture

·6 days ago

Linux — ip command

Why you should start switching to ip command — In older Linux distributions, ifconfig and route commands were used to connect a computer to a network, and to define routes between networks. Many Linux distributions have deprecated the use of ifconfig and route in favor of the software suite iproute2, such as ArchLinux or RHEL since version 7, which…

Linux

4 min read

Published in Dev Genius

·Sep 20

Python — Read File Contents

How to read normal and large files in Python — One of the most common tasks that you do in your daily Python development work is probably reading files. When you open files for reading, there are three commonly used functions: read(): Read the entire content of the text at once and return the result as a string readline(): Read…

Dev Ops

4 min read

Published in Towards AWS

·Sep 20

AWS Athena, Why is it Different than MySQL

Differences between AWS Athena service and MySQL — Amazon Athena is a serverless interactive query service based on the open-source Apache Presto (a distributed SQL query engine optimized for ad-hoc analysis at interactive speed), that enables you to directly analyze data stored in Amazon S3 using SQL queries. Since AWS Athena is serverless so there is no infrastructure…

AWS

5 min read

AWS Athena, Why is it Different than MySQL

Published in Geek Culture

·Sep 18

K8s — Ingress Introduction Part Two

Common ingress examples and ingress rules — In my last article, I introduced the concept of “K8s Ingress” and demoed its definition in a minimum Ingress YAML file, in the minimum Ingress definition, I didn’t define any specific rules, but use the defaultBackend for all incoming requests. Let’s recap the YAML file quickly: apiVersion: networking.k8s.io/v1 kind: Ingress metadata…

Kubernetes

4 min read

Published in Geek Culture

·Sep 17

K8s — Ingress Introduction Part One

Ingress concept and a minimum ingress example — In my last article, I introduced K8s “Service” object, which is the built-in load balancing mechanism of K8s. It uses static IP addresses to proxy dynamically changing Pods, supports domain name access and service discovery, and is a necessary infrastructure for microservice architecture. K8s Service is very useful, but…

Kubernetes

4 min read