Uninstall DB2 from Linux

  1. Stop db2 instance running the command su – db2inst1 –c “db2stop”
  2. Removes db2 instance with root user by running command /opt/ibm/db2/V9.1/instance/db2idrop
  3. Stop DAS server by running the command su – dasusr1 –c “db2admin stop”
  4. Removes db2 DAS server with root user by running command  /opt/ibm/db2/V9.1/instance/dasdrop
  5. Run db2_deinstall script as root user from /opt/ibm/db2/V9.1/install directory
  6. Remove the db2 related entries from /etc/services file
  7. Delete users db2inst1, db2fenc1, dasusr1 by running the command userdel –r db2fenc1
  8. Delete groups db2grp1, dasadm1, db2fgrp1 by running the command groupdel db2fgrp1

Note: In RHEL 5 you can also delete users by navigating to System>Administration>Users and Groups.


About Ishtiaque

I am IBM Certified Infrastructure Systems Architect, Linux Foundation Certified System Administrator, Oracle Certified Programmer in Java and Web Component Developer, and TOGAF 9 certified with over 10 years of support and development experience in IBM middleware software and Java. Additionally, have a sound grip in databases and OpenStack administration. I hold the following certifications: IBM Certified Infrastructure Systems Architect Linux Foundation Certified System Administrator (LFCS) TOGAF 9 Certified Oracle Certified Expert, Java EE6 Web Component Developer Oracle Certified Professional – Java 6 Programmer ITIL v3 Foundation Certified IBM Certified Solution Architect – Cloud Computing Infrastructure V1 IBM Certified System Administrator – WebSphere Portal V8, V7, V6.1, V6 IBM Certified System Administrator – WebSphere Application Server V7, V6.1 IBM Certified System Administrator – AIX V7 IBM Certified System Administrator – WebSphere MQ V7 IBM Certified Deployment Professional – Business Process Manager Advanced V7.5 IBM Certified Solution Advisor – Cloud Computing Architecture V3 IBM Certified Solution Developer – WebSphere Portal V5.1
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