You can refer the following doc for steps to install universal forwarder on linux.
Let me know if this helps!!!
What is the error that you are getting? Was the file downloaded correctly?
Try running the following command.
wget -O splunkforwarder-7.0.2-03bbabbd5c0f-linux-2.6-x86_64.rpm 'https://www.splunk.com/bin/splunk/DownloadActivityServlet?architecture=x86_64&platform=linux&version...'
You can refer this answer as well:
When running rpm -i gives me the following error:
rpm -i splunkforwarder-7.0.2-03bbabbd5c0f-linux-2.6-x86_64\ (2).rpm
warning: splunkforwarder-7.0.2-03bbabbd5c0f-linux-2.6-x86_64 (2).rpm: Header V4 DSA signature: NOKEY, key ID 653fb112
package splunkforwarder-7.0.2-03bbabbd5c0f.x86_64 is intended for a x86_64 architecture
for what is this?