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Setting up External Wi-Fi Dongle on Raspberry Pi OS

Disable Bulid-In Wi-Fi

in /boot/config.txt

dtoverlay=disable-wifi

Configure WPA Supplicant

in /etc/wpa_supplicant/wpa_supplicant.conf






network={
    ssid="wifi-ssid"
    psk="password"
    key_mgmt=WPA-PSK
}

DHCP

in /etc/network/interfaces




allow-hotplug wlan0
iface wlan0 inet dhcp
wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf

Static IP

in /etc/network/interfaces




allow-hotplug wlan0
iface wlan0 inet manual
wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf

in /etc/dhcpcd.conf





interface eth0
static ip_address=192.168.0.4/24
static routers=192.168.0.1
static domain_name_servers=192.168.0.1
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Share USB tethered phone to Raspberry Pi 4 LAN port

Share USB tethered phone to Raspberry Pi 4 LAN port Raspberry Pi Setup Follow the instructions on Raspberry Pi: Take into consideration that we imagined the phone virtual interface of the Raspberry Pi is usb0. Set a static IP address to the eth0 which would be router's clients' default gateway. To do it, there is plenty of procedure: Put lines below to in /etc/dhcpcd.conf: interface eth0

Oct 29, 2021
Install OpenSSH Server on Windows 10

Install OpenSSH Server on Windows 10 Install OpenSSH Server On Windows 10 version 1803 and newer In Settings app, go to Apps > Apps & features > Manage optional features. Locate “OpenSSH server” feature, expand it, and select Install. Binaries are installed to %WINDIR%\System32\OpenSSH. Configuration file (sshd_config) and host keys are installed to %ProgramData%\ssh (only after the server is started for the first time). You may still want to use the following manual installation if you want to install a newer version of OpenSSH than the one built into Windows 10.

Jun 16, 2021
Raspberry Pi: Back up, Shrink, and Recovery

Install PiShrink

Jun 11, 2021
Setting Power Button and LED with Device Tree Overlays

Setting Power Button and LED with Device Tree Overlays Power On: short pin 5 and GND Power Off: In /boot/config.txt # use gpio to shutdown dtoverlay=gpio-shutdown,gpio_pin=26,active_low=1,gpio_pull=up # shutdown button on gpio pin 26 (physical pin 37)

Jun 11, 2021
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