Install shadowsocks-libev from source on Ubuntu

1. Install the packages required：

mkdir shadowsocks-libev && cd shadowsocks-libev
apt-get install build-essential autoconf libtool libssl-dev \
  gawk debhelper dh-systemd init-system-helpers pkg-config git

2. Download the source code through git：
git clone https://github.com/shadowsocks/shadowsocks-libev.git
3. build shadowsocks-libev and all its dependencies by script:

mkdir -p ~/build-area/
cp ./scripts/build_deb.sh ~/build-area/
cd ~/build-area
./build_deb.sh

4.Edit /etc/shadowsocks-libev/config.json， configure as follows：

{
 "server":"X.X.X.X",
 "server_port":443,
 "password":"password",
 "timeout":300,
 "method":"aes-256-cfb"
}

5. Startup

Ubuntu/Debian Installed from deb package（Installed from deb package will implicitly activate self start-up）：
service shadowsocks-libev restart

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