8. Upgrade WebHCat (Templeton)

Upgrade WebHCat.
- For RHEL/CentOS:
```
yum upgrade hive-webhcat webhcat-tar-hive webhcat-tar-pig
```
- For SLES:
  Run the following command:
```
zypper up hive-webhcat webhcat-tar-hive webhcat-tar-pig
```
Also see the instructions on manually deploying WebHCat instance provided here.
You must replace your configuration after upgrading. Copy /etc/webhcat/conf from the template to the conf directory in webhcat hosts.

Start WebHCat:

sudo su -l $WEBHCAT_USER -c "/usr/lib/hive-hcatalog/sbin/webhcat_server.sh start"

Smoke test WebHCat. On the WebHCat host machine, execute the following command:

 http://$WEBHCAT_HOST_MACHINE:50111/templeton/v1/status

If you are using a secure cluster, excecute the following command:

curl --negotiate -u:  http://cluster.$PRINCIPAL.$REALM:50111/templeton/v1/status
{"status":"ok","version":"v1"}[machine@acme]$