connect to MS SQL server and Sybase from linux

• sudo apt-get install unixodbc unixodbc-dev freetds-dev sqsh tdsodbc
•  cat /etc/freetds/freetds.conf
•  [tds1]
  host = 10.21.1.1
  port = 1433
  tds version = 7.0
  

•  sqsh -S tds1 -U id -P password

Enable SQL server 2012 for TCP

Enable SQL server 2012 for TCP port 1433