Shulou(Shulou.com)06/02 Report--

The / dev/shm directory is not on disk, but in memory, so using linux / dev/shm/ is very efficient and writes directly to memory.

View the size of / dev/shm

Df-h

Modify the size of / dev/shm, which defaults to half of memory

Vim / etc/fstab

Add at the end

Tmps / dev/shm tmpfs defaults,size=1G 0 0

Remount / dev/shm

Mount-o remount / dev/shm/

/ Application of dev/shm

Mkdir / dev/shm/tmp

Chmod 777 / dev/shm/tmp

Mount-B / dev/shm/tmp / tmp

Put the session file of php under / tmp

Vim / etc/php.ini

Modify it if you have it, and add it if you don't.

Session.save_path = "/ tmp"

/ dev/shm/tmp directory will be lost after restart. Set restart to automatically re-add / dev/shm/tmp

Touch shmTmp.sh

Chmod + x shmTmp.sh

Vim shmTmp.sh

Add:

#! / bin/bash

Mkdir / dev/shm/tmp

Chmod 777 / dev/shm/tmp

Mount-B / dev/shm/tmp/ / tmp

Set the script to be automatically executed on boot

Vim / etc/rc.local

Add at the end:

/ root/shmTmp.sh

Save exit and add execution file properties

Chmod + x / etc/rc.local

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