# follow these steps only if your JDBC connection doesn't work on the default install

db2 get dbm cfg

look for SVCENAME

db2 update dbm cfg using SVCENAME db2c_db2inst1

add to /etc/services

db2c_db2inst1 50004/tcp

db2set DB2COMM=tcpip

db2stop

db2start

check using netstat -tulpan