Here is how to allow a specific user to use sudo without being prompted for password
echo 'myuser ALL=(root) NOPASSWD: ALL' > /tmp/myuser
visudo -cf /tmp/myuser
chmod 0600 /tmp/myuser
mv /tmp/myuser /etc/sudoers.d/
Here is how to allow a specific user to use sudo without being prompted for password
echo 'myuser ALL=(root) NOPASSWD: ALL' > /tmp/myuser
visudo -cf /tmp/myuser
chmod 0600 /tmp/myuser
mv /tmp/myuser /etc/sudoers.d/