ansible webservers -m apt -a "update_cache=yes" -b

ansible webservers -m apt -a "name=nginx state=present" -b

ansible webservers -m apt -a "name=['curl','vim','htop'] state=present" -b

ansible webservers -m apt -a "name=nginx state=latest update_cache=yes" -b

ansible webservers -m apt -a "upgrade=yes update_cache=yes" -b