How to download and install docker on linux

install-docker-and-minikube.txt

#1. Please Download this files in your system
2. Please change it to executable files in your directory
(you can run `sudo chmod +x __file_name__.sh`

install-docker.sh

#!/bin/sh

sudo apt update
echo "checking updates before installing Docker..."

echo "installing prerequisite packages for Docker."
sudo apt install apt-transport-https ca-certificates curl software-properties-common

echo "adding the GPG key for the official Docker repository to your system."
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
echo "Adding the Docker repository to APT sources..."
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu focal stable"

echo "adding cache to install from the Docker repo instead of the default Ubuntu repo."
apt-cache policy docker-ce
echo "Setup Complete."

echo "installing Docker..."
sudo apt install docker-ce

echo "checking Docker status..."
sudo systemctl is-active docker
echo "Docker installed successfully!!"

echo "Installing Docker-compose..."
sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose
docker-compose --version 
echo "docker-compose is ready!."

echo "Would you like to add Docker to groups and access directly(in other words executing the Docker Command without Sudo) ?"

while true
do
    read -r -p 'Do you want to continue? ' choice
    case "$choice" in
      n|N) break;;
      y|Y)  sudo usermod -aG docker ${USER};
            su - ${USER};
            echo "Docker has been added to sudo.";;
      *) echo 'Response not valid';;
    esac
done

install-kubectl.sh

#!/bin/sh

sudo apt-get update

sudo apt-get install -y ca-certificates curl

sudo apt-get install -y apt-transport-https

DIR="/etc/apt/keyrings/"
if [ -d "$DIR" ]; then
   echo "'$DIR' found and now copying files, please wait ..."
else
   echo "'$DIR' NOT found!!"
   echo "creating 'keyrings' directory"
   sudo mkdir /etc/apt/keyrings/
   echo "copying files in $DIR, please wait..."
fi

sudo curl -fsSLo /etc/apt/keyrings/kubernetes-archive-keyring.gpg https://packages.cloud.google.com/apt/doc/apt-key.gpg

echo "deb [signed-by=/etc/apt/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list

sudo apt-get update

sudo apt-get install -y kubectl

echo "kubectl installation complete."

echo "Adding kubectl autocompletes for 'bash'..."

#source kubectl completion bash  
#bash-completion package for autocompletion.
echo "source <(kubectl completion bash)" >> ~/.bashrc 
# add autocomplete permanently to your bash shell.

kubectl cluster-info

install-minikube.sh

#!/bin/sh

curl -LO https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64
sudo install minikube-linux-amd64 /usr/local/bin/minikube

echo "minikube is installed."