move /tmp to ram (usar a ram como disco)

RAMTMP=yes      /etc/default/tmpfs
mkdir /dev/shm/tmp

chmod 1777 /dev/sdm/tmp
mount --bind /dev/shm/tmp /tmp

tmpfs /tmp tmpfs mode=1777,nosuid,nodev 0 0

mount -o mode=1777,nosuid,nodev -i tmpfs tmpfs /tmp