shell script 1

i need a shell script that will automate and do the following 1- Connect to a remote server via ssh using key auth. 2- Edit "sshd_config" and make the following changes ---------------- ChallengeResponseAuthentication no PasswordAuthentication no UsePAM no PubkeyAuthentication yes ---------------- 3- install LEMP stack ( Linux, nginx, MySQL, and PHP ) 4- issue the following commands --------------------------- sudo chkconfig --levels 235 mysqld on sudo chkconfig --levels 235 nginx on sudo chkconfig --levels 235 php-fpm on --------------------------- 5- edit the file /etc/nginx/conf.d/[login to view URL] with the following changes ( will be provided later ) 6- edit /etc/php-fpm.d/[login to view URL] as follow user = nginx group = nginx