Ускоряем Ubuntu - /tmp в ram и снижаем нагрузку на диски

$ cat /etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
# / was on /dev/sda1 during installation
UUID=58a71b82-6a3c-4af2-87e0-f52a47e9a20a /               ext4    errors=remount-ro,noatime,nodiratime,commit=90 0       1
# /home was on /dev/sda2 during installation
UUID=3b742a4c-13b0-4582-9157-6968156fbe82 /home           ext4    defaults,noatime,nodiratime,commit=90        0       2
#
tmpfs  /tmp  tmpfs defaults,noatime,nodiratime,mode=1777,size=30%  0  0