Confirm this issue exists for Ubuntu 12.04 LTS (64Bit) too, with db2exc package from partner repository.
As workaround, drop symbolic links create by root and create them back by user dasusr1:
Login as dasusr1
cd adm
rm bin conv function java lib msg
ln -s /opt/ibm/db2/V9.7/das/bin bin
ln -s /opt/ibm/db2/V9.7/das/conv conv
ln -s /opt/ibm/db2/V9.7/das/function function
ln -s /opt/ibm/db2/V9.7/das/java java
ln -s /opt/ibm/db2/V9.7/das/lib lib
ln -s /opt/ibm/db2/V9.7/das/msg msg
Confirm this issue exists for Ubuntu 12.04 LTS (64Bit) too, with db2exc package from partner repository. db2/V9. 7/das/bin bin db2/V9. 7/das/conv conv db2/V9. 7/das/function function db2/V9. 7/das/java java db2/V9. 7/das/lib lib db2/V9. 7/das/msg msg
As workaround, drop symbolic links create by root and create them back by user dasusr1:
Login as dasusr1
cd adm
rm bin conv function java lib msg
ln -s /opt/ibm/
ln -s /opt/ibm/
ln -s /opt/ibm/
ln -s /opt/ibm/
ln -s /opt/ibm/
ln -s /opt/ibm/