shadowsocks.json

{
    "server": "0.0.0.0",
    "local_address": "127.0.0.1",
    "local_port": 1080,
    "port_password": {
        "8850": "0",
        "8851": "1",
        "8852": "2",
        "8853": "3"
    },
    "method": "aes-256-cfb",
    "timeout": 300,
    "fast_open": false
}

note:
apt install openssl python-pip python-setuptools
export LC_ALL=C
pip install --upgrade pip
pip install -U git+https://github.com/shadowsocks/shadowsocks.git@master

autostart:
vim /etc/rc.local and add ssserver -c /etc/shadowsocks.json -d start before exit 0