Initial Connection to AWS Server
Download AWS .pem ssh key and place in ~/.ssh folder
$ ssh -i ~/path/to/pem/file/pem_file_name.pem ec2-user@{{amazon_ip_address}}

//adds user
$ sudo adduser {{username}}
//grants user root privileges
$ sudo usermod -aG sudo {{username}}
//switch to the new user
$ su - {{username}}
//make ssh folder
$ mkdir ~/.ssh
$ chmod 700 ~/.ssh
//open authorized_keys file and copy in your local public key (id_rsa.pub)
$ vim ~/.ssh/authorized_keys
//limit authorized_keys permissions
$ chmod 600 ~/.ssh/authorized_keys

//To connect from local
//alias can be added to ~/.ssh/config (optional)
$ ssh {{username}}@{{amazon_ip_address}}