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Created December 21, 2024 22:46
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Installing and running shadowsocks on Ubuntu Server
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README.md

Installing and running shadowsocks on Ubuntu Server

On Ubuntu Server 16.04 (with Systemd)

  1. Run install.sh to install Shadowsocks.

  2. Put ss.json under /etc/shadowsocks/.

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

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

  5. Run the following commands:

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

On Ubuntu Server 14.04 (without Systemd)

  1. Run install.sh to install Shadowsocks.

  2. Put 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

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

sysctl net.ipv4.tcp_available_congestion_control
sysctl net.ipv4.tcp_congestion_control
lsmod | grep bbr
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install.sh
#!/bin/bash
sudo apt-get update
sudo apt-get install python-pip
sudo pip install shadowsocks
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ss.json
{
"server": "0.0.0.0",
"server_port": "[port]",
"password": "[password]",
"timeout": 300,
"method": "aes-256-cfb",
"fast_open": true
}
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ssserver.service
[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
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start.sh
#!/bin/bash
sudo /usr/local/bin/ssserver -c /etc/shadowsocks/ss.json --user nobody -qq -d start
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stop.sh
#!/bin/bash
sudo /usr/local/bin/ssserver -c /etc/shadowsocks/ss.json -d stop
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