Fredric News

Category: Utilities

  • Wireshark Packet Capture & BPF Protocol

    💡 Wireshark Packet Capture & BPF Protocol — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Wireshark Packet Capture & BPF Protocol. Related documents installation bash Copy brew install –cask wireshark Filters Filter specification HTTP Filter http http.request http.request.method == “GET” http.request.method == “POST” http.response tls http2 http3 Filter by Source…

  • yq CLI Sheet: YAML Parsing, Querying

    💡 yq CLI Sheet: YAML Parsing, Querying — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for yq CLI Sheet: YAML Parsing, Querying. Installation Debian yaml Copy apt install golang-go # yq4 정상설치 go install github.com/mikefarah/yq/v4@latest export PATH=”$PATH:~/go/bin” snapd bash Copy # snap버그있으니 쓰지마셈 snap install yq apt yaml Copy # 이상한버전…

  • HTTP Authentication Methods: Basic, Bearer

    💡 HTTP Authentication Methods: Basic, Bearer — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for HTTP Authentication Methods: Basic, Bearer. AuthN and AuthZ AuthN(Authentication) Classification of factors Description example knowledge base What only you know Password, name, resident registration number, employee number, etc. Ownership basis Owned only for use Certificate, OTP,…

  • Vue 2 to Vue 3 Migration: Composition API

    💡 Vue 2 to Vue 3 Migration: Composition API — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Vue 2 to Vue 3 Migration: Composition API. References and Guidelines (NOTE) BookMarkshttps://dev.grapecity.co.kr/bbs/board.php?bo_table=Insight≀_id=73 https://vuejs.org/#breaking-changes https://ui.toast.com/weekly-pick/ko_20200804 https://webpack.kr/configuration/dev-server/#devserver https://kyounghwan01.github.io/blog/Vue/vue3/global-state/#%E1%84%86%E1%85%A9%E1%86%A8%E1%84%91%E1%85%AD https://v3-migration.vuejs.org/migration-build.html#installation https://www.vuemastery.com/blog/vue-3-migration-build/ https://github.com/logaretm/vee-validate/issues/3438 //vee-validate 3 to 4 migration is failed Vue2 cons: limited typescript support, performance…

  • Java Functional Interfaces & Lambda

    💡 Java Functional Interfaces & Lambda — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Java Functional Interfaces & Lambda. Overview A functional interface is an interface with one abstract method. Starting from Java8, interfaces can contain default methods with default implementations. Even if there are multiple default methods, if there…

  • CSS Selectors : Compound Selectors

    💡 CSS Selectors : Compound Selectors — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for CSS Selectors : Compound Selectors. About CSS selectors CSS (Cascading Style Sheets) is responsible for providing styles to HTML elements. To do so, you need to be familiar with selectors because you need to specify the…

  • CNCF Cloud-Native Open Source Ecosystem

    💡 CNCF Cloud-Native Open Source Ecosystem — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for CNCF Cloud-Native Open Source Ecosystem. Collaboration tools Issue Tracking Jira – Features: Jira is a project management and issue tracking tool from Atlassian that helps software development teams leverage agile and other project management methodologies. –…

  • Dockerfile : Multi-stage Builds & Caching

    💡 Dockerfile : Multi-stage Builds & Caching — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Dockerfile : Multi-stage Builds & Caching. Samples Syntax 1. Basic command FROM Create a new image based on the image. Format: FROM : Example: FROM node:16 RUN Specifies the command to be executed during Docker image…

  • Spring Boot logback-spring.xml: Rolling Files

    💡 Spring Boot logback-spring.xml: Rolling Files — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Spring Boot logback-spring.xml: Rolling Files. 🔗 https://velog.io/@stella6767/logback-spring.xml-%EC%84%A4%EC%A0%95%EB%B0%A9%EB%B2%95 There are various logging libraries, as shown in the picture in Spring Boot 2.0 Java Util Logging, Log4j 2, Logback Can be used by default. To make it easier…

  • Engineering IT Glossary: Infra & Cloud

    💡 Engineering IT Glossary: Infra & Cloud — Executive Summary Technical architectural analysis, practical configuration manifests, and deployment instructions for Engineering IT Glossary: Infra & Cloud. Web development common Basic Terminology Parameter Parameters used in function definition a and b below are parameters of the test function. javascript Copy function test(a, b) { return a…