I am trying to install Qt on Debian 3.16.7-ckt20-1+deb8u2
and I get a message that there is not enough disk space to
store temporary files. It needs 580+ meg and only has 300+ meg.
After searching here and there I tried entering the command
sudo mount -o remount,size=1G tmpfs /tmp
which is supposed to increase the size temporarily and
"on-the-fly" but I still get the same error message.