Create user with admin

createUserFirstInstall.sh

# check directory permissions 755 (.ssh) 644 (.ssh/authorized_keys)

#!/bin/bash
if [ "$(id -u)" != "0" ]; then
    echo '** Script must be run as root **'
    exit 1
fi

if ! /bin/egrep -i "^admin\:" /etc/group &>/dev/null; then
  echo "Creating the admin group"
  groupadd admin
fi

if ! /bin/egrep -i "^%admin ALL" /etc/sudoers &>/dev/null; then
  echo "Allowing sudo access for the admin group"
cat <> /etc/sudoers
# Members of the admin group may gain root privileges
%admin ALL=(ALL) ALL
EOF
fi

if ! /bin/egrep -i "imon" /etc/passwd &>/dev/null; then
  echo "Creating the user"

  # to generate an encrypted password for useradd:
  # perl -e 'print crypt("s3cr3t", "password"),"\n"'
  useradd -d /home/imon -s /bin/bash -G admin -p $(perl -e'print crypt("s3cr3t", "password")') -m imon
  
  # cp -r ~/.ssh /home/foundry/
  # chown -R imon:imon /home/imon/.ssh
fi