Oracle 19c runInstaller reports PRVF-5311 while checking SSH connectivity
Try below solution:
Rename the original scp. ( find where is the scp executable file present)
mv /usr/bin/scp /usr/bin/scp.orig
Create a new file .
vi /usr/bin/scp
Add the below line to the new created file .
/usr/bin/scp.orig -T $*
Change the file permission.
chmod 555 /usr/bin/scp
Once installation is done , you can revert to the original
mv /usr/bin/scp.orig /usr/bin/scp
REFER- &gt;
https://dbaclass.com/article/upgrade-grid-infrastructure-from-oracle-12c-to-19c/