libsocks4 software package provides SOCKS libraries, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libsocks4
libsocks4 is installed in your system.
Make ensure the libsocks4 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libsocks4 *
You will get with libsocks4 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Libraries |
| Package | libsocks4 |
| Version | 4.3.beta2-18 |
| Description | SOCKS libraries |
| Sub Section | libs |