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Basic Command

한글

  • sudo apt install -y fonts-unfonts-core
  • sudo apt install ibus-hangul

 

Windows와 폴더 공유

  • 윈도우와 폴더를 공유하기 위한 samba 설치
  • CIFS/Samba 설치
  • sudo apt update
    sudo apt install samba samba-common-bin smbclient cifs-utils
  • https://www.raspberrypi.org/documentation/remote-access/samba.md

  • Turn on sharing
  • Share the folder
  • Mount the folder on the Raspberry Pi
  • Sharing a folder for use by Windows

해상도 & HDMI로 output sound

  • /boot/config.txt
    • # For more options and information see
      # http://rpf.io/configtxt
      # Some settings may impact device functionality. See link above for details
      
      # uncomment if you get no picture on HDMI for a default "safe" mode
      #hdmi_safe=1 
      
      # uncomment this if your display has a black border of unused pixels visible
      # and your display can output without overscan
      #disable_overscan=1
      
      # uncomment the following to adjust overscan. Use positive numbers if console
      # goes off screen, and negative if there is too much border
      #overscan_left=16
      #overscan_right=16
      #overscan_top=16
      #overscan_bottom=16
      
      # uncomment to force a console size. By default it will be display's size minus
      # overscan.
      #framebuffer_width=1280 <--- 여기는 정해지면 디폴트로 정의 
      #framebuffer_height=720 <-- 
      
      # uncomment if hdmi display is not detected and composite is being output
      hdmi_force_hotplug=1 <-- 
      
      # uncomment to force a specific HDMI mode (this will force VGA)
      hdmi_group=2 <-- 
      hdmi_mode=70 <--- 여기는 표를 보고 맞춤 안방은 70
      
      # uncomment to force a HDMI mode rather than DVI. This can make audio work in
      # DMT (computer monitor) modes
      hdmi_drive=2 <-- 
      
      # uncomment to increase signal to HDMI, if you have interference, blanking, or
      # no display
      #config_hdmi_boost=4
      
      # uncomment for composite PAL
      #sdtv_mode=2
      
      #uncomment to overclock the arm. 700 MHz is the default.
      #arm_freq=800
      
      # Uncomment some or all of these to enable the optional hardware interfaces
      dtparam=i2c_arm=on
      #dtparam=i2s=on
      dtparam=spi=on
      
      # Uncomment this to enable infrared communication.
      #dtoverlay=gpio-ir,gpio_pin=17
      #dtoverlay=gpio-ir-tx,gpio_pin=18
      
      # Additional overlays and parameters are documented /boot/overlays/README
      
      # Enable audio (loads snd_bcm2835)
      dtparam=audio=on
      
      [pi4]
      # Enable DRM VC4 V3D driver on top of the dispmanx display stack
      dtoverlay=vc4-fkms-v3d
      max_framebuffers=2
      
      [all]
      #dtoverlay=vc4-fkms-v3d
      start_x=1
      gpu_mem=512
      enable_uart=1
      dtoverlay=w1-gpio

wlan setting

  • #!/bin/bash
    
    echo
    echo '##### START KKo KKo Rack #####'
    echo
    
    wpa_cli -i wlan0 list_networks 
    
    if [ -z "$1" ]; then
            echo " > No parameter "
            exit 0;
    fi 
    
    SID=$(wpa_cli -i wlan0 list_networks | grep $1 | cut -f 1)
    echo " > Input SID is " $1 ", SID number = " $SID 
    
    echo "Setting Wlan0 ... ..."
    wpa_cli -i wlan0 select_network $SID
    sleep 1
    echo " > DONE  =  " $SID 
    
    echo
    echo '##### STARTed KKo KKo Rack #####'
    echo
  • Sound Streaming