Skills421

killport kill the process that is running on a given port lsof -nP -i4TCP | grep $1 | while read first pid line do kill -9 $pid done Usage: killport 8080 listport list the process that is running on a given port lsof -nP -i4TCP | grep $1 | while read first pid line do echo $first $pid $line done Usage: listport 8080

In this post we are going to create a skeleton Spring Boot project using VS-Code Install the Spring Boot Extension Pack Install Spring Initializr Extension CMD – Shift – X spring-initializr Install Run the Spring Initializr CMD – Shift – P Spring Initializr: Create Maven Project 3.2.1 (Spring Boot Version) Java (Project Language) com.skills421.examples sampleproject Jar (gonna run…

In this post we are going to use VS Code, Spring Boot and Java to create a pdf document reader. Install the Spring Boot Extension Pack Install Spring Initializr Extension CMD – Shift – X spring-initializr Install Run the Spring Initializr CMD – Shift – P Spring Initializr: Create Maven Project 3.2.1 (Spring Boot Version) Java (Project Language) com.skills421.examples docreader Jar…

Create the Hello World project here Add the Junit 5 Dependencies Add the Junit 4 dependencies to the pom.xml <?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion>…

Create the Hello World project here Add the Junit 4 Dependencies Add the Junit 4 dependencies to the pom.xml <?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion>…

Create a new Maven Java Project Open command pallot (CMD – Shift – P) Create Maven Project No Archetype com.skills421.examples helloworld select a destination folder for the project click open This opens the project as…

brew search codebrew install visual-studio-code Open Visual Studio Code Install the Extension Pack for Java Extensions -> javaThis installs Extension Pack for Java Debugger for Java Test Runner for Java Maven for Java Project Manager for Java Visual Studio Intellicode References https://marketplace.visualstudio.com/items?itemName=vscjava.vscode-java-pack

Erase your Mac Choose Apple menu  > System Settings, then click General  in the sidebar. (You may need to scroll down.) Click Transfer or Reset on the right, then click Erase All Contents and Settings. In Erase Assistant, enter your administrator information and click Unlock. Review items that will be removed in addition to your content and settings.If your Mac has multiple user accounts,…

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Manage multiple versions of Python with pyenv

As of writing, macOS Catalina ships with Python 2.7.2 and Python 3.7.6, the latest version of Anaconda runs at Python 3.7.6 and the latest stable release of Python on python.org it 3.8.4. Meanwhile, HomeBrew is offering 3.8.3 and a beta of 3.9 and 3.10; as well as several versions of Anaconda.

So, what should you install?

In short, pyenv, a utility that lets you easily switch between and…

The real story of /etc

Read the documentation and you get one story, go on a training course and you get another

This is the nerve center of your system, it contains all system related configuration files in here or in its sub-directories

Linux Filesystem Hierarchy

Actually, the truth is a little less planned.

It transpires that the original creators of Unix – Thompson and Ritchie (who went on to develop to C…

Moving to the Cloud is not enough

I don’t think there are many people who would dispute that moving to the cloud is a good thing. The benefits are many, and if your migration is managed professionally, then the return on investment can be quite substantial.

But, moving to the cloud alone is not enough. You have to embrace it; and more importantly your staff and your departments have to embrace it too.

Many SMEs,…

Java 11: Download, Install and Test

Download Download Java 11 Install Install Java 11 Test Test Java 11 Installation

Simple Java11 Maven Project with Intellij IDEA

In this post we are going to create a simple Hello World in Java11 using maven and Intellij IDEA.

We are also going to deal with the compilation error “Error: java: error: release version 5 not supported” and the compilation warning “File encoding has not been set, using platform encoding UTF-8”

Video Create the HelloWorld Project