Open4
Raspberry Pi
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
/boot/config.txt
[all]
+gpu_mem=16
+enable_uart=1
ラズパイのCPU温度表示
sudo vcgencmd measure_temp
温度の調整
sudo apt install cpufrequtils
sudo cpufreq-set -g powersave
##参考