configure ssd for linux

add noatime,nodiratime,discard for your ssd device in /etc/fstab.

Like below
noatime,nodiratime,discard,errors=remount-ro


add below settings in /etc/fstab

tmpfs   /tmp       tmpfs   defaults,noatime,mode=1777   0  0

tmpfs   /var/spool tmpfs   defaults,noatime,mode=1777   0  0

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

tmpfs   /var/log   tmpfs   defaults,noatime,mode=0755   0  0


In /etc/default/grub,
add "elevator=noop" for GRUB_CMDLINE_LINUX_DEFAULT