Install shadowsocks-libev on Ubuntu

conf.json

{
    "server":"xx.xx.xx.xx",
    "server_port": 1234,
    "local_port": 1234,
    "password":"long-non-guessable-password",
    "timeout": 600,
    "method":"chacha20-ietf-poly1305"
}

shadowsocks.sh

apt-get install --no-install-recommends build-essential autoconf libtool haveged automake \
        libssl-dev gawk debhelper dh-systemd init-system-helpers pkg-config asciidoc \
        xmlto apg libpcre3-dev zlib1g-dev libev-dev libudns-dev libsodium-dev libmbedtls-dev

cd /usr/local/src
git clone https://github.com/shadowsocks/shadowsocks-libev.git
cd shadowsocks-libev
git submodule update --init

./autogen.sh && ./configure && make && make install

# this is a hack to create the autostart scripts
add-apt-repository ppa:max-c-lv/shadowsocks-libev
apt-get update
apt install shadowsocks-libev

# configure the server correctly
vim /etc/shadowsocks-libev/config.json

apt-get remove shadowsocks-libev

# change the "DAEMON" localtion to '/usr/local/bin/ss-server'
vim /etc/init.d/shadowsocks-libev

# reload reload daemons
systemctl daemon-reload

# restart the server
/etc/init.d/shadowsocks-libev restart # if any error occurs try with just 'start'


# ====================================== #
#                Firefox                 #
# ====================================== #
# stop webrtc leak
# about:config
# media.peerconnection.enabled