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** 5/1/25   Raspberry_Pi  
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  my_rpi Wayland vs. X11: What’s the Difference on Raspberry Pi? Can a Raspberry Pi 5 Replace Your Main PC? I Tested It! 3 Easy Ways to Access Your Pi Over the Internet Remotely
  Misc
  vcgencmd How To Install (or Reinstall) Raspberry Pi OS on your Pi (Easiest way!)
    Download Run the Raspberry Pi Imager app
    0:00 Intro
    0:12 Raspberry Pi Imager
    0:58 Flash SD card
    2:43 First boot
    4:02 Configuration menu > Preferences > Control Centre > menu > Preferences > Raspberry Pi Configuration  --> passwd, hostname, services (SSH, VNC, …)
    6:44 Installing new apps menu > Preferences > Screen Configuration ( Resolution, Frequency, Orientation )
    menu > Preferences > Recommended Software
    menu > Preferences > Add / Remove Software
    $ sudo raspi-config  configure the rpi  (ie, change hostname)
    $ echo $XDG_SESSION_TYPE Wayland or X ?
   
    $ sudo apt update && sudo apt upgrade -y  <---   Udating
   
    image.xz  files must be uncomressed before using them in the Raspberry Imager tool
    Wfi IP
    $ sudo su log in as root note:   If the TP-Link_Ext wifi is not up and running, the rpi will connect to a different WiFi, if available ! TP-Link_AP2 192.168.7 .99
    sudo su  - log in as root Rebooting rpi may be necessary -->   ( after turning on the TP-Link_Ext ) mdh-UAPacl 192.168.0.xxx
   
    # shutdown -r now reboot
    shutdown -h now shutdown
    ip a list IP address
   
    # nmcli dev wifi list brings up a list of WIFI's Five Methods to Transfer rpi to a new Wi-Fi network
   
    IN-USE                     BSSID                SSID                MODE    CHAN     RATE        SIGNAL  BARS  SECURITY
            02:6A:E3:73:CA:E9  mdh-UAPacl          Infra         1         540 Mbit/s  100     ?_?¦    WPA2
    --->            0C:80:63:05:20:15  TP-Link_Ext          Infra         1         130 Mbit/s  100     ?_?¦    WPA1 WPA2
            10:DA:43:AB:26:9F  mdh-UAPacl         Infra         6         405 Mbit/s    97      ?_?¦   WPA1 WPA2
    --->    *      02:6A:E3:73:CA:EA  mdh-UAPacl         Infra       40         540 Mbit/s    92      ?_?¦   WPA2
            12:DA:43:AB:26:A0  FreshTomato50   Infra       36         405 Mbit/s    87      ?_?¦   WPA1 WPA2
            70:4F:57:E7:B5:EE  TP-Link_AP2        Infra        1          130 Mbit/s    85      ?_?¦    WPA2
   
    # nmcli  --ask dev wifi connect 'TP-Link_Ext' password mdhvezda name "wifi-mdh" The rpi should connect to the new WIFI.  
   
    cntl <d> to disconnect from the rpi
    # nmcli  --fields autoconnect-priority,name connection See the auto-conncetion priority
    # nmcli  connection modify "wifi-mdh" connection.autoconnect-priority 25 Set the auto-conncetion priority
   
   
   
    Misc Stuff
   
    sudo nmtui open a text user interface (tui)
   
    # getconf LONG_BIT determine the ARM architecture   
    64                         aarch64
    32                         armv7
   
    cat /etc/os-release Debian GNU/Linux  12  (bookworm)
   
   
    vcgencmd get_throttled throttled=0x0
    throttled=0x500000