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Installing and running shadowsocks on Ubuntu Server

Installing and running shadowsocks on Ubuntu Server

16.10 yakkety and above

  1. Install the the shadowsocks-libev package from apt repository.

     sudo apt update
     sudo apt install shadowsocks-libev
    
  2. Save ss.json as /etc/shadowsocks-libev/config.json.

  3. Replace server_port and password in ss.json with your own choices.

  4. Restart the shadowsocks-libev service.

     sudo systemctl restart shadowsocks-libev
     sudo systemctl status shadowsocks-libev
    

16.04 xenial

  1. Install shadowsocks with pip.

     sudo apt update
     sudo apt install python-pip
     sudo pip install shadowsocks
    
  2. Save ss.json under /etc/shadowsocks/.

  3. Replace server_port and password in ss.json with your own choices.

  4. Save ssserver.service under /usr/lib/systemd/system/

  5. Enable the systemd service.

     sudo systemctl enable ssserver
     sudo systemctl start ssserver
     sudo systemctl status ssserver
    

14.04 trusty

  1. Install shadowsocks with pip.

     sudo apt-get update
     sudo apt-get install python-pip
     sudo pip install shadowsocks
    
  2. Save ss.json, start.sh, stop.sh under /etc/shadowsocks/.

  3. Replace server_port and password in ss.json with your own choices.

  4. Put the following in /etc/rc.local to start ssserver upon server start.

     # Start shadowsocks server
     /etc/shadowsocks/start.sh
    

Use TCP BBR

This will install linux kernel 4.9 and enable TCP BBR congestion control algorithm to improve network bandwidth utilization (10x improvement is not uncommon).

URL=http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.9.9/linux-image-4.9.9-040909-generic_4.9.9-040909.201702090333_amd64.deb

wget $URL
sudo dpkg -i $(basename $URL)

sudo reboot

SYSCTL_CONF=/etc/sysctl.d/60-tcp-bbr.conf
echo "net.core.default_qdisc=fq" | sudo tee $SYSCTL_CONF
echo "net.ipv4.tcp_congestion_control=bbr" | sudo tee -a $SYSCTL_CONF
sudo sysctl -p $SYSCTL_CONF

sysctl net.ipv4.tcp_available_congestion_control
sysctl net.ipv4.tcp_congestion_control
lsmod | grep bbr
{
"server": "0.0.0.0",
"server_port": "[port]",
"password": "[password]",
"timeout": 300,
"method": "aes-256-cfb",
"fast_open": true
}
[Unit]
Description=Daemon to start shadowsocks server
Wants=network-online.target
After=network.target
[Service]
Type=simple
ExecStart=/usr/local/bin/ssserver -c /etc/shadowsocks/ss.json -qq
User=nobody
[Install]
WantedBy=multi-user.target
#!/bin/bash
sudo /usr/local/bin/ssserver -c /etc/shadowsocks/ss.json --user nobody -qq -d start
#!/bin/bash
sudo /usr/local/bin/ssserver -c /etc/shadowsocks/ss.json -d stop
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