编年史0001

有效
{
    "server":"0.0.0.0",
    "port_password":{
        "2333":"mima12345",
        "6666":"mima12345"
    },
    "timeout":600,
    "method":"aes-256-cfb"
}
无效
{
    "server":"my_server_ip",  #填入你的IP地址
    "local_address": "127.0.0.1",
    "local_port":1080,
    "port_password": {
        "8381": "foobar1",    #端口号，密码
        "8382": "foobar2",
        "8383": "foobar3",
        "8384": "foobar4"
    },
    "timeout":300,
    "method":"aes-256-cfb",
    "fast_open": false
}

在终端通过ssh连上vps（Windows可以用putty连，Mac直接在终端就可以了）
在终端输入vi /etc/sysctl.d/local.conf 
创建配置文件
按i插入
插入以下内容

# max open files
fs.file-max = 1024000
# max read buffer
net.core.rmem_max = 67108864
# max write buffer
net.core.wmem_max = 67108864
# default read buffer
net.core.rmem_default = 65536
# default write buffer
net.core.wmem_default = 65536
# max processor input queue
net.core.netdev_max_backlog = 4096
# max backlog
net.core.somaxconn = 4096

# resist SYN flood attacks
net.ipv4.tcp_syncookies = 1
# reuse timewait sockets when safe
net.ipv4.tcp_tw_reuse = 1
# turn off fast timewait sockets recycling
net.ipv4.tcp_tw_recycle = 0
# short FIN timeout
net.ipv4.tcp_fin_timeout = 30
# short keepalive time
net.ipv4.tcp_keepalive_time = 1200
# outbound port range
net.ipv4.ip_local_port_range = 10000 65000
# max SYN backlog
net.ipv4.tcp_max_syn_backlog = 4096
# max timewait sockets held by system simultaneously
net.ipv4.tcp_max_tw_buckets = 5000
# TCP receive buffer
net.ipv4.tcp_rmem = 4096 87380 67108864
# TCP write buffer
net.ipv4.tcp_wmem = 4096 65536 67108864
# turn on path MTU discovery
net.ipv4.tcp_mtu_probing = 1

# for high-latency network
net.ipv4.tcp_congestion_control = hybla
# forward ivp4
net.ipv4.ip_forward = 1

sysctl --system

使用后端启动 
前端启动：ssserver -c /etc/shadowsocks.json；
后端启动：ssserver -c /etc/shadowsocks.json -d start；
停止：ssserver -c /etc/shadowsocks.json -d stop；
重启(修改配置要重启才生效)：ssserver -c /etc/shadowsocks.json -d restart
设置开机启动 
在终端输入nano /etc/rc.local，
把里面最后的带有ssserver的一大段默认的代码删除掉，
再把ssserver -c /etc/shadowsocks.json -d start加进去，
按wq保存退出。

sudo a2dissite 000-default.conf
service apache2 reload

sshd只有这样才会生效
sudo /etc/init.d/sshd restart
service sshd retart 无效