This guide will walk you through the installation, operation, and maintenance of Snowflake proxy on Linux-based systems. Running a Snowflake proxy is an easy way to contribute to the Tor Project's anti-censorship efforts.

1. Install Go

First you will need to install and configure the Go compiler to build the standalone proxy from source code. Please login using a user account with sudo rights or directly with root (in the later case omit the sudo part in the following commands).

If you are running Ubuntu or Debian, you can install Go by executing sudo apt install golang. If you are using Fedora, Red Hat or Amazon Linux with sudo yum install golang or sudo dnf install golang.

You will need Go 1.21 or newer to run the Snowflake proxy. Please check your Go version by using the command go version. Otherwise download Go binary from the official website and follow its installation instructions.

2. Install git and clone Snowflake repository

Second you need the git client to download the Snowflake source code.

If you are running Ubuntu or Debian, you can install git by executing sudo apt install git. If you are using Fedora, Red Hat or Amazon Linux with sudo yum install git or sudo dnf install git. Otherwise consult the documentation for your operating system.

Please execute the following steps with the user account under which the proxy should be executed. Don't use root.

It's recommended to create a separate snowflake account with restricted rights on the system.

Open your terminal and clone the source code:

git clone

3. Build Snowflake proxy

After you cloned the repository, you can build Snowflake proxy binary by running the command:

cd snowflake/proxy
go build

4. Run the Snowflake proxy

After your proxy finished to compile, you can run it with the command:

nohup ./proxy &

Note: The command nohup allows the program to run in the background even after the terminal is closed, and & puts the command in the background immediately.

If you want to save the proxy output to a logfile, for example, to see your proxy usage, you can use:

nohup ./proxy >snowflake.log 2>&1 &

5. Make sure the proxy is started after a reboot of the system

Edit your crontab by running the command:

crontab -e

Enter the following line (example, adapt paths to your situation)

@reboot nohup /home/snowflake/snowflake/proxy/proxy > /home/snowflake/snowflake/proxy/snowflake.log 2>&1 &

Please verify if this is working by rebooting the system and checking the log. Note: On some Linux installations this might not work.

6. Keep your Snowflake proxy updated

To keep your snowflake proxy updated, execute the following commands every few weeks (login with the user account you used during installing the proxy):

kill -9 $(pidof proxy)
cd snowflake/
git pull
cd proxy
go build
nohup ./proxy >snowflake.log 2>&1 &