After all the steps of CATALOG, you need to update some database manager configuration and start DB2 Connect.

• Update the SVCENAME of your DB2 instance to the listener added into "/etc/services" before.

  db2 update dbm cfg using SVCENAME db2c_db2art

  Example of "/etc/services":

  db2c_db2art 4001/tcp # wasa DB2 connection
• Set the communication protocol to TCP/IP.

  db2set DB2COMM=tcpip

• Configure the auto start and start DB2.

  db2set DB2AUTOSTART=yes 
  db2start