Editing RPi Essentials

=Download=
* [https://www.offensive-security.com/kali-linux-arm-images/ Kali ARM Images]
* [https://www.raspberrypi.org/downloads/raspbian/ Raspbian Images]
* [https://archlinuxarm.org/platforms/armv8/broadcom/raspberry-pi-3 Arch Linux ARM Images]
* [https://osmc.tv/download/ OSMC Images]
* [https://manjaro.org/download/#raspberry-pi-4 Manjaro]

=Format=
Use [https://sourceforge.net/projects/win32diskimager/ Win32 Disk Imager] on Windows 

For Linux you can use the following:
    lsblk 
    dd bs=4M if=image.img of=/dev/sdX conv=fsync
First command is used to identify the appropriate output filesystem

=Backup=
Again, use Win32DI on Windows or the following on Linux
    sudo dd bs=4M if=/dev/sdb of=raspbian.img
And to restore on Linux
    sudo dd bs=4M if=raspbian.img of=/dev/sdb

=WiFi Setup=
The easiest method is to use the raspi-config script included in Raspbian
    sudo raspi-config

==Alternative==
We can modify the wpa-supplicant file to include our networks.
    sudo nano /etc/wpa_supplicant/wpa_supplicant.conf

===With Password===
Add the following to the above config file:
<pre>
network={
    ssid="testing"
    psk="testingPassword"
}</pre>

You can also use wpa_passphrase to generate an encrypted PSK:
    wpa_passphrase "SSID" 
You can then use the output without quotes in the above PSK slot in the config file

===Without Password===
<pre>
network={
    ssid="testing"
    key_mgmt=NONE
}</pre>

===Multiple Networks===
Simply add both networks to the wpa_supplicant config file, however if you need to prioritize one over the other, use the priority flag:
<pre>
network={
    ssid="HomeOneSSID"
    psk="passwordOne"
    priority=1
    id_str="homeOne"
}

network={
    ssid="HomeTwoSSID"
    psk="passwordTwo"
    priority=2
    id_str="homeTwo"
}</pre>

=Config.txt=
Under /boot/config.txt a couple of key configs to remember:

For the HDMI port on a media center you do typically want it on all the time, even if the TV is off:
    hdmi_force_hotplug=1
    hdmi_group=1
    hdmi_mode=16
    hdmi_drive=2


=References=
* [https://www.raspberrypi.org/documentation/installation/installing-images/linux.md RPi Install Docs]
* [https://www.raspberrypi.org/documentation/linux/filesystem/backup.md RPi Backup Docs]
* [https://www.raspberrypi.org/documentation/configuration/wireless/wireless-cli.md RPi Wifi Docs]



[[Category:RaspberryPi]]