Create Multiple SSH Configurations to login remote servers without asking password

no-pass.sh

#!/bin/bash
# Create Multiple SSH Configurations
#1. Clone the  script
#2. chmod +x no-pass.sh
#3. ./no-pass.sh

touch ~/.ssh/config || exit

echo -e "\e[33m Enter domain/ipaddress which you want to ssh:"
read domain_name
echo -e "\e[33m Enter ssh port:"
read ssh_port
echo -e "\e[33m Enter remote server's user name:"
read user_name
echo -e "\e[36m You entered: $domain_name"

printf '%s\n %s\n %s\n %s\n' "Host $domain_name" "User $user_name" "Port $ssh_port" 'ForwardAgent yes' >> ~/.ssh/config

echo -e "\e[33m Enter ssh key email"
read email

a="~/.ssh/"
b=".id_rsa.pub"
c=$a$domain_name$b
ssh_dir="/.ssh/"
appending=".id_rsa"

echo -e "\e[31m Copy and paste for ssh path: \e[32m $HOME$ssh_dir$domain_name$appending  \e[32m"

ssh-keygen -t rsa -C "$email"

ssh-add ~/.ssh/"$domain_name".id_rsa

echo "copying ssh public file to target server..."

ssh-copy-id -i $d $domain_name