/opt/ibm/trc/target/trc_dsp: error while loading shared libraries: libXmu.so.6:

When i try to connect with tivoli remote control to a server Redhat 5.7 i view grey screen and form command line i received this error:

 /opt/ibm/trc/target/trc_dsp: error while loading shared libraries: libXmu.so.6: cannot open shared object file: No such file or directory
/opt/ibm/trc/target/trc_dsp: error while loading shared libraries: libXmu.so.6: cannot open shared object file: No such file or directory
/opt/ibm/trc/target/trc_dsp: error while loading shared libraries: libXmu.so.6: cannot open shared object file: No such file or directory


i need to install :

 yum install libXmu-1.0.2-5


Bye