Helper to setup shadowsocks server
Download static-linked build here to the server and unpack.
Possible types:
rust-shadowsocks-rust(default)
sssetup install --port <port> --password <password>
# explicitly specify the type
sssetup install <type> --port <port> --password <password>
# specify AEAD cipher
sssetup install --port <port> --password <password> --cipher <cipher>sssetup undo
# explicitly specify the type
sssetup undo rust