Posted intech notes
Raspberry Pi 4 Setup Notes
To prevent idle SSH sessions from being disconnected Turn off power save with wlan0. Following make the config permanent. $ sudo crontab -e # which opens the root crontab in your chosen editor... # add the following line at the bottom of the root crontab: @reboot /usr/sbin/iw wlan0 set power_save off # be sure to substitute a valid folder name for '<user>' in the line aboveBash Reference: https://raspberrypi.stackexchange.com/questions/96606/make-iw-wlan0-set-power-save-off-permanent To change boot order sudo raspi-configBash If newly installed file under /usr/local/lib are not recognized Try sudo ldconfigBash which would solve the problem if the culprit is `/etc/ld.so.cache` file. To change keyboard layout CAPS を ctrl に、L-ctrl を alt に In /etc/default/keyboard…