Tor is a free software that allows users to surf the web anonymously. The idea behind this project is to keep the user's location as well as web pages visited unknown to anyone conducting network surveillance. It also allows users to access websites blocked by local ISPs. In this tutorial we will help you run the Tor client under a system running Ubuntu 12.04/11.10 or older.

Tor Installation


Tor is available in the Ubuntu repository, but to install it under Ubuntu we will use the Tor official PPA to ensure getting the latest version. You can install Tor with the following commands from the terminal:

sudo apt-add-repository ppa:ubun-tor/ppa

sudo apt-get update

sudo apt-get install tor privoxy

You can now start the Tor server by running this command:

tor &

After the server is started, it will run in the background and will not stop even if you close the terminal. It will use the following configuration:

  • Protocol: socks5
  • Port: 9050
Let's now configure Firefox and Google Chrome to run with Tor:

Firefox:


In Firefox, there is an add-on called Torbutton which allows to enable/disable the Tor service with a single button on your toolbar. You can install it from here. Its icon will be displayed as follows on your web browser:


Google Chrome


For Google Chrome, we will use the Proxy Anywhere extension. You can install it on your web browser by following this link. When the installation is complete, Proxy Anywhere's settings window will show up, enter the following details and click the Save button:

  • Protocol: socks5
  • Host: localhost
  • Port: 9050

You can now enable/disable the Tor service under Google Chrome by clicking the extension's icon as displayed on your web browser:


To check if you are currently using Tor in Firefox or Google Chrome, then open this link:

https://check.torproject.org/

If Tor is well enabled, you will get this:


If you want to stop Tor, run this command from the terminal:

sudo killall tor

That's it!
 
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