Для установки из packages.vmware.com:
cd ~
wget http://packages.vmware.com/tools/keys/VMWARE-PACKAGING-GPG-RSA-KEY.pub -q
rpm --import VMWARE-PACKAGING-GPG-RSA-KEY.pub
wget http://packages.vmware.com/tools/keys/VMWARE-PACKAGING-GPG-DSA-KEY.pub -q
rpm --import VMWARE-PACKAGING-GPG-DSA-KEY.pub
wget http://packages.vmware.com/tools/esx/5.5latest/repos/vmware-tools-repo-RHEL5-9.4.5-1.el5.x86_64.rpm
rpm -Uhv vmware-tools-repo-RHEL5-9.4.5-1.el5.x86_64.rpm
yum install vmware-tools-esx-kmods
yum install vmware-tools-esx-nox