The Microsoft SQL Server Team announced a preview release of the SQL Server ODBC Driver for Linux and you can download it today.
http://www.microsoft.com/download/en/details.aspx?id=28160
It’s a 64-bit driver for Red Hat Enterprise Linux 5, supporting SQL Server 2008 R2 and SQL Server 2012, including Kerberos authentication protocol, SSL and client-side UTF-8 encoding.
This release brings proven and effective tools and the BCP and SQLCMD utilities to the Linux world
