On the WebHCat server machine, install the necessary RPMs.
For RHEL/CentOS/Oracle Linux:
yum install hcatalog webhcat-tar-hive webhcat-tar-pig
For SLES:
zypper install hcatalog webhcat-tar-hive webhcat-tar-pig
For Ubuntu:
apt-get install hcatalog webhcat-tar-hive webhcat-tar-pig
