Minimize disk writes
sudo add-apt-repository ppa:graysky/utils
sudo apt-get update
sudo apt-get install profile-sync-daemon
profile-sync-daemon parse
# configure USE_OVERLAYFS="yes"
profile-sync-daemon parse
systemctl --user enable psd
systemctl --user start psd
http://www.ubuntublueprint.com/2016/05/keep-your-browser-profile-in-ram-for.html
nano /etc/fstab
tmpfs /tmp tmpfs defaults,noatime,mode=1777,nosuid,size=1024M 0 0
tmpfs /var/tmp tmpfs defaults,noatime,mode=1777 0 0
tmpfs /var/log tmpfs defaults,noatime,mode=0755 0 0
tmpfs /var/log/apt tmpfs defaults,noatime 0 0
tmpfs /home/graf/.cache tmpfs defaults,noatime,mode=1777,size=512M 0 0
UUID=... ext4 discard,noatime,nodiratime,errors=continue,commit=1800
