sudo gedit /usr/local/tango/bin/tango
# add lines near the top:
export MYSQL_USER=root
export MYSQL_PASSWORD=mypassword
nvidia@jetson-0420119097863:~$ sudo /usr/local/tango/bin/tango start &
[2] 8760
nvidia@jetson-0420119097863:~$ Starting TANGO database
Starting TANGO Database Server
main(): arrived
main(): export DataBase as named servant (name=database)
Ready to accept request
[2]- Done sudo /usr/local/tango/bin/tango start
nvidia@jetson-0420119097863:~$ sudo /usr/local/tango/bin/tango status
TANGO Database server OK