https://awei791129.pixnet.net/blog/post/67071471-ubuntu-server-18.04.1-lts-%E5%AE%89%E8%A3%9D-shadowsocks-server


https://mystery0.vip/2018/08/23/Ubuntu%20Server%2018.04%20LTS%20%E4%BD%BF%E7%94%A8Shadowsocks-ShadowsocksR%E8%AE%BF%E9%97%AE%E4%BA%92%E8%81%94%E7%BD%91/


https://ziyoo.ren/skill/ubuntu-18-04-shadowsocks.html