Open4

Raspberry Pi

RessRess
rpi-eeprom-update
raspi-config

Wi-Fi と Bluetooth を無効化する

/boot/config.txt
 # Additional overlays and parameters are documented /boot/overlays/README
+dtoverlay=disable-wifi
+dtoverlay=disable-bt

swapfile の無効化

swapoff --all
systemctl stop dphys-swapfile
systemctl disable dphys-swapfile

tmpfs を使用する

/etc/fstab
tmpfs /tmp tmpfs defaults,size=128m,noatime,mode=1777 0 0
tmpfs /var/tmp tmpfs defaults,size=128m,noatime,mode=1777 0 0
# 非推奨
tmpfs /var/log tmpfs defaults,size=32m,noatime,mode=0755 0 0