ruslan@ubuntu:~$ tor
Jan 31 20:21:06.602 [notice] Tor v0.2.7.6 (git-605ae665009853bd) running on Linux with Libevent 2.0.21-stable, OpenSSL 1.0.2g and Zlib 1.2.8.
Jan 31 20:21:06.602 [notice] Tor can't help you if you use it wrong! Learn how to be safe at
https://www.torproject.org/download/download#warningJan 31 20:21:06.628 [notice] Read configuration file "/etc/tor/torrc".
Jan 31 20:21:06.633 [notice] Opening Socks listener on 127.0.0.1:9050
Jan 31 20:21:06.633 [warn] Could not bind to 127.0.0.1:9050: Address already in use. Is Tor already running?
Jan 31 20:21:06.633 [warn] Failed to parse/validate config: Failed to bind one of the listener ports.
Jan 31 20:21:06.633 [err] Reading config failed--see warnings above.
ruslan@ubuntu:~$