Linux docs use faster download link

Author: webprofusion-chrisc

docs/hub/installation/linux.md

@@ -56,7 +56,7 @@ The following commands:
 
 ```
 rm ./certify-agent-linux-x64-latest.tar.gz -f
-wget https://certifytheweb.s3.amazonaws.com/downloads/archive/beta/agent/certify-agent-linux-x64-latest.tar.gz
+wget https://downloads.certifytheweb.com/beta/agent/certify-agent-linux-x64-latest.tar.gz
 rm -rf ./certify-agent-install && mkdir -p ./certify-agent-install
 tar -xvf certify-agent-linux-x64-latest.tar.gz -C ./certify-agent-install
 sudo ./certify-agent-install/scripts/install-agent.sh