Shadowsocks + v2ray install script

#!/bin/bash

user='zero'
domain='exebutcher.ga'
server_template='https://pastebin.com/raw/wz5BugFv'
client_template='https://pastebin.com/raw/18hJwFmG'
renew_script='https://pastebin.com/raw/hbACM8V3'
systemd_service_template='https://pastebin.com/raw/Mtm3A0K2'
systemd_timer='https://pastebin.com/raw/jLGTRSNc'

sudo apt install shadowsocks-libev simple-obfs certbot haveged curl pwgen dos2unix
password=$(pwgen -cns 32 1)

sudo apt autoremove
wget https://github.com/shadowsocks/v2ray-plugin/releases/download/v1.1.0/v2ray-plugin-linux-amd64-v1.1.0.tar.gz
tar -xvf v2ray-plugin-linux-amd64-v1.1.0.tar.gz
rm v2ray-plugin-linux-amd64-v1.1.0.tar.gz


sudo systemctl stop shadowsocks-libev
sudo rm /etc/shadowsocks-libev/config.json
sudo certbot certonly -n --standalone  --force-renewal -d $domain --agree-tos --email email@sobaka.net
mkdir /home/$user/certs

list=("cert.pem"  "chain.pem"  "fullchain.pem"  "privkey.pem")
for i in "${list[@]}"; do sudo cp /etc/letsencrypt/live/$domain/$i /home/$user/certs/; done

sudo chown $user:$user /home/$user/certs/*
chmod 644 /home/$user/certs/*
sudo setcap 'cap_net_bind_service=+ep' /usr/bin/ss-server
sudo setcap 'cap_net_bind_service=+ep' /home/$user/v2ray-plugin_linux_amd64

curl $server_template > tmp.cfg
dos2unix tmp.cfg

sed -i "s/pw_placeholder/$password/g" tmp.cfg
sed -i "s/user_placeholder/$user/g" tmp.cfg
sed -i "s/domain_placeholder/$domain/g" tmp.cfg
sudo mv tmp.cfg /etc/shadowsocks-libev/config.json
sudo systemctl start shadowsocks-libev

curl $client_template > client.json
dos2unix client.json

sed -i "s/password_placeholder/$password/g" client.json
sed -i "s/domain_placeholder/$domain/g" client.json
sed -i "s/ip_placeholder/$(curl -s 2ip.ru)/g" client.json

curl $systemd_service_template > tmp
dos2unix tmp
sed -i "s/user_placeholder/$user/g" tmp
sed -i "s/domain_placeholder/$domain/g" tmp
sudo mv tmp /etc/systemd/system/cert-renew.service
sudo wget $systemd_timer -O /etc/systemd/system/cert-renew.timer
sudo dos2unix /etc/systemd/system/cert-renew.timer
sudo wget $renew_script  -O /opt/renew.sh
sudo dos2unix /opt/renew.sh
sudo systemctl daemon-reload
sudo systemctl start cert-renew.timer
sudo systemctl enable cert-renew.timer

echo Client config in client.json:
cat client.json