how to change the location for /tmp in remote nodes during Oracle 19c GI install

Hello,

I am installing the 19c RAC GI on linux and because of security policy, you cannot run executables from /tmp. So what i did was change the profile of grid user all nodes and add the below env variables

TMP=/opt/tmp

TMPDIR=/opt/tmp

export TMP TMPDIR

This works on the local node but when it was trying to copy the binary to the remote node, it still error out

node-2:General Errors:

PRCF-2055 : The transferred binary was not executed successfully on node: "node-2". Details: ----------------------------------------------------------------------------------------------------------------------------

ksh: /tmp/mttrans_n9035589_1/bin/mttrans: cannot execute [Permission denied]

Is there a way to force it to write on /opt/tmp?