yum install python-setuptools && easy_install pip
## pip install --upgrade pip
pip install shadowsocks
vim /etc/shadowsocks.json  
{
  "server":"your_server_ip",
  "server_port":8388,
  "password":"yourpassword",
  "timeout":300,
  "method":"aes-256-cfb",
  "fast_open":false,
  "workers": 1
}
代码中各字段的含义
{
  "server":"your_server_ip",
  "port_password":{
    "8381":"pass1",
    "8382":"pass2",
    "8383":"pass3",
    "8384":"pass4"
  },
  "timeout":60,
  "method":"rc4-md5",
  "fast_open":false,
  "workers":1
}
ssserver -c /etc/shadowsocks.json -d start
# 或不需要配置文件
sudo ssserver -p 443 -k password -m rc4-md5 --user nobody -d start
# 关闭防火墙
systemctl stop firewalld.service # 停止firewall
systemctl disable firewalld.service # 禁止firewall开机启动
ssserver -d stop
less /var/log/shadowsocks.log
ssserver -h