https://medium.com/@jason.sslim/shadowsocks-on-raspberry-pi-a215c96cc315

pip3 install shadowsocks

https://www.yangyang.cloud/blog/2020/09/23/solved-shadowsocks-undefined-symbol/ AttributeError: /lib/x86_64-linux-gnu/libcrypto.so.1.1: undefined symbol: EVP_CIPHER_CTX_cleanup

sudo sed -i 's/EVP_CIPHER_CTX_cleanup/EVP_CIPHER_CTX_reset/g' /usr/local/lib/python3.8/dist-packages/shadowsocks/crypto/openssl.py