How to fix error: The system failed to create the temporary file /var/tmp/ because of an error: Read-only file system.
Open ssh with your login and run below command:
lsof /tmp
Then umount /tmp and /var/tmp:
umount -l /tmp
umount -l /var/tmp
Then remove the corrupt partition file:
rm -fv /usr/tmpDSK
Then create a nice new one:
/scripts/securetmp