debian8 可以apt-get直接安装

apt-get install libsodium-dev

编译安装：
安装编译环境
1.Debian/ubuntu

apt-get update
apt-get install build-essential wget -y

2.CentOS

yum groupinstall "Development Tools" -y
yum install wget -y

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下载:
wget https://download.libsodium.org/libsodium/releases/LATEST.tar.gz
或者
https://github.com/jedisct1/libsodium/releases

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编译安装

tar xzvf LATEST.tar.gz
cd libsodium*
./configure
make -j8 && make install
echo /usr/local/lib > /etc/ld.so.conf.d/usr_local_lib.conf
ldconfig

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ss配置

{
    "server":"0.0.0.0",
    "server_port":port,
    "local_address":"127.0.0.1",
    "local_port":1080,
    "password":"your-password",
    "timeout":600,
    "method":"chacha20"
}