Modern Java Coding

Enable Intellisense for React component in VS code Run below command: npm i @types/react --save-dev How to write the scripts in package.json file NPM is package manager used to install delete and update JavaScript packages on your machine. NPX is package executor and it is used to execute JavaScript packages directly without installing it. To build scripts in package.json file use scripts sections, "scripts" : {     "build" : "parcel build index.html" ,     "start" : "parcel index.html"   }

Example 1: Got permission denied while trying to connect to the Docker daemon socket sudo chmod 666 /var/run/docker.sock Example 2: Server: ERROR: Got permission denied while trying to connect to the Docker daemon socket sudo newgroup docker sudo chmod 666 /var/run/docker.sock sudo usermod -aG docker ${ USER } Example 3: dial unix /var/run/docker.sock: connect: permission denied sudo setfacl --modify user: < user name or ID > :rw /var/run/docker.sock Example 4: Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: newgrp docker

  export NODE_OPTIONS =--openssl-legacy-provider

Docker commands: docker ps: To show all the running containers in docker docker build <path> -t <image_name>: It creates the image from the Dockerfile in the current folder. docker run -it <image_name or image id>: It start the container     Volume is the storage outside the container. It is used to share the data among different containers at runtime. Docker Volume commands docker volume list docker volume create <volume_name> All the volumes are stored at /var/lib/docker/volumes/_data

 Linux commands To rename the file                    mv <source file> <target file name>

 Title:    Accessing the Linux Machine installed in Virtual Box through WinSCP or Putty, follow below steps In Virtual Box, Open settings configuration Open Network tab Select the "Bridge Adapter" Start the Linux/Ubuntu Machine Install ssh using "Sudo apt install ssh" Check the IP address of your machine using "ifconfig" Copy Inet address  Open WinSCP in your host machine and use the same IP address Use your Linux machine credential to connect to the Linux machine You can connect to putty using the same process. Thank you. Happy coding :) Regards, Kiran.