Just a few useful commands to shutdown DB2 on Linux ready to apply fixpacks. This relates to a shutdown of the default instance db2inst1, but can be applied to any running instance.
First, shutdown the instance;
su - db2inst1 . /home/db2inst1/sqllib/db2profile db2 force applications all db2 terminate db2stop
Next, shutdown the DB2 administration server;
su - dasusr1 . /home/dasusr1/das/dasprofile db2admin stop
Finally shutdown the fault management daemon;
db2fmcu -d db2fm -d
