search key from keyserver
gpg --keyserver http://keys.gnupg.net/ --search-key keyname
gpg --keyserver http://keys.gnupg.net/ --recv-keys key_revc
gpg --import someone_public_key.asc
gpg --list-keys #should see someone_public_key note down the email
gpg --out file.gpg --encrypt --recipient someone_email file.txt
echo 'test' | gpg --encrypt --r someone_email > file.gpg