editar /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).
#
#
# / was on /dev/sdb2 during installation
UUID=1fa75b19-c0c1-4804-ac8e-202f3020619b / ext4 noatime,commit=120,errors=remount-ro 0 1
# swap was on /dev/sdb1 during installation
UUID=9babb0b9-f7e9-4584-8e9b-8e589b441b6b none swap sw 0 0

tmpfs /tmp tmpfs defaults,noatime,mode=1777 0 0
tmpfs /var/tmp tmpfs defaults,noatime,mode=1777 0 0
tmpfs /var/run tmpfs defaults,noatime,mode=1777 0 0
tmpfs /var/log tmpfs defaults,noatime,mode=1777 0 0

echo "deb http://ppa.launchpad.net/graysky/utils/ubuntu vivid main" > /etc/apt/sources.list.d/graysky.list
echo "deb-src http://ppa.launchpad.net/graysky/utils/ubuntu vivid main" >> /etc/apt/sources.list.d/graysky.list
apt-key adv --keyserver keyserver.ubuntu.com --recv-keys F0E0B4E7
apt-get update
apt-get install profile-sync-daemon

https://github.com/graysky2/profile-sync-daemon

http://haydenjames.io/increase-performance-lifespan-ssds-sd-cards/

http://www.cyrius.com/debian/nslu2/linux-on-flash/

http://raspberrypi.stackexchange.com/questions/169/how-can-i-extend-the…

https://blogofterje.wordpress.com/2012/01/14/optimizing-fs-on-sd-card/

https://raymii.org/s/blog/Broken_Corrupted_Raspberry_Pi_SD_Card.html