SSh-passwdless login

[Mahendra gaddam]

Hi ,

I'm trying to setup  passwdless authentication for remote machine , when i'm doing manually it's working fine when i'm doing by shell script it's not working could you please help me out this. below is the shell script 

Thanks

filename="id_rsa"

path="$HOME/.ssh"

if [ $1 ]

then

    hostname=$1

    if [ $2 ]

    then

        username=$2

    else

        username="$USER"

    fi

else

    # Read the host and username to store public key (the host/username accepting passwordless ssh from this computer)

    #echo "What host you want to access with passwordless SSH from this computer?"

    #read hostname

    #echo "What is your username on $hostname? ($USER?)"

    #read username

    hostname=new_hostname

    username=ansible_user

    if [ ! $username ]

    then

        username="$USER"

    fi

fi

# Generate rsa files

if [ -f $path/$filename ]

then

    echo "RSA key exists on $path/$filename, using existing file"

else

    ssh-keygen -t rsa -f "$path/$filename"

    echo RSA key pair generated

fi

echo "We need to log into $hostname as $username to set up your public key (hopefully last time you'll use password from this computer)"

cat "$path/$filename.pub" | ssh "$hostname" -l "$username" '[ -d .ssh ] || mkdir .ssh; cat >> .ssh/id_rsa.pub; chmod 700 ~/.ssh; chmod 600 ~/.ssh/*'

status=$?

if [ $status -eq 0 ]

then

    echo "Set up complete, try to ssh to $host now"

    exit 0

else

    echo "an error has occured"

    exit 255

fi

Mahi 

[Dick Visser]

What is the purpose of this shell script?

Please read https://docs.ansible.com/ansible/latest/user_guide/basic_concepts.html#ansible-concepts,
and then https://docs.ansible.com/ansible/latest/user_guide/connection_details.html#ssh-key-setup.

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--
Dick Visser
Trust & Identity Service Operations Manager
GÉANT