Raspberry Pi

Maker pHAT

<pdf page="9">File:Pi_maker_phat_users_manual.pdf</pdf>

touch /Volumes/boot/ssh
screen /dev/tty.wchusbserial14430 115200

WPA Supplicant

cat <<EOF > /Volumes/boot/wpa_supplicant.conf
country=MY
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1

network={
scan_ssid=1
ssid="ChorkeOrg_2.4GHz"
psk="p@$$w0rd"
}
EOF

sudo raspi-config
sudo nano /etc/dhcpcd.conf

# Chorke Academia, Inc.
# static domain_name_servers=10.19.83.100 10.19.83.1
static domain_search=dev.shahed.biz
# static host_name=pi3

sudo systemctl restart dhcpcd
sudo systemctl daemon-reload

sudo apt install resolvconf
sudo apt install openresolv
sudo resolvconf -u

# execute in ssh client machine
ssh-copy-id -i ~/.ssh/rpi_chorke_rsa [email protected]
ssh -i ~/.ssh/rpi_chorke_rsa [email protected]

# ~/.ssh/config
Host rpi.bgd.chorke.org
     HostName 10.19.83.203
     PreferredAuthentications publickey
     IdentityFile ~/.ssh/rpi_chorke_rsa
     User pi

ssh rpi.bgd.chorke.org

apt install openjdk-8-jre
apt install openjdk-8-jdk
update-alternatives --config java
update-alternatives --config javac
dpkg-reconfigure phpmyadmin
apt autoremove

Firmware Update

sudo apt update
sudo apt full-upgrade

sudo rpi-update
sudo init 6

sudo rpi-eeprom-update -d -a
sudo init 6

sudo raspi-config

Swap Memory

printf '\nbefore:\n';free -th;\
sed -i "s|CONF_SWAPSIZE=100|CONF_SWAPSIZE=2048|" /etc/dphys-swapfile;\
service dphys-swapfile restart;\
printf '\nupdate:\n';free -th

Operating Voltage

for id in core sdram_c sdram_i sdram_p;do \
    echo -e "$id:\t$(vcgencmd measure_volts $id)";\
done

Dotnet Core

sudo su
mkdir -p /opt/dotnet
chown pi /opt/dotnet

sudo apt udpate
sudo apt install curl libunwind8 gettext apt-transport-https
sudo apt install libicu63 libssl1.1

cd /opt/dotnet
# download from http://cdn.chorke.org/soft/rpix/dotnet/
sudo tar zxf dotnet-sdk-2.2.102-linux-arm.tar.gz -C /opt/dotnet/
sudo tar zxf dotnet-runtime-2.1.9-linux-arm.tar.gz -C /opt/dotnet/
sudo tar zxf aspnetcore-runtime-2.2.1-linux-arm.tar.gz -C /opt/dotnet/

echo 'export DOTNET_ROOT=opt/dotnet' >> ~/.bash_profile
echo 'export PATH=$PATH:$DOTNET_ROOT' >> ~/.bash_profile
printenv

sudo ln -s /opt/dotnet/dotnet /usr/local/bin
dotnet --info
dotnet --help

Core Project

cd ~/Documents
mkdir HelloWorld
cd HelloWorld

dotnet new console
dotnet publish -r linux-arm
bin/Debug/netcoreapp2.2/linux-arm/publish/HelloWorld
# Hello World!

dotnet publish -r win-arm
bin/Debug/netcoreapp2.2/win-arm/publish/HelloWorld
# Hello World!

Knowledge

systemctl systemctl list-unit-files systemctl daemon-reload	Pi zero 2W (bullseye) cp /Volumes/boot/bcm2710-rpi-3-b.dtb /Volumes/boot/bcm2710-rpi-zero-2.dtb	Java Native Image sudo apt install build-essential libz-dev zlib1g-dev sudo apt install libc6 libc6-dev
sudo apt install libc6=2.32 sudo apt install libc6=2.34	apt update && apt dist-upgrade apt update --allow-releaseinfo-change	ifconfig wlan0 up ifconfig wlan0 down

References

Setting up Raspian and .NET Core 2.0 on a Raspberry Pi Hosting an ASP.NET Core application on Raspberry Pi 3 Raspberry Pi Bind9 DNS/DDNS (Dynamic DNS) Server IoT with System.Device.Gpio by .Net Core 2.2 Configuring a DNS Server in Raspberry Pi Linux System Prerequisites for .NET Core How to save Power on your Raspberry Pi Installing .Net Core on a Raspberry Pi 3 Raspberry Pi Authoritative DNS Server Linux Mount Drive	JBoss Wildfly AS Setup on Raspberry pi 3 Setting up a Raspberry Pi headless Raspberry Pi Cluster with Ansible External Storage Configuration Run Jira on a Raspberry Pi 4 PI Zero W wpa_supplicant Node-RED Docker Image .NET Core IoT Libraries Network File System .NET Core Samples	Install Raspberry Pi OS Without a Monitor Cann't Currently Show the Desktop Error Boot Raspberry Pi 4 From a USB SSD Install the CentOS on Raspberry Pi4 Bitbucket server on Raspberry Pi Tracking an object with OpenCV Install TeamCity on Ubuntu CentOS Linux ARM64 Ubuntu Linux ARM64 Installing VNC
Install & Configure pgAdmin 4 in Server Mode Setting WiFi up via the command line Raspberry Pi4 NAS & Time Machine ARM Cortex-A53 (ARMv8-A 64-bit) Kubernetes (K3s) on the Turing Pi SD Card Size or Capacity Download Alpine Linux Raspberry Pi Zero 2 W OpenRC init System Raspberry Pi Fedora	Install 64 bit OS on Raspberry Pi zero 2 W Download Raspberry PiOS AArch64 Lite Download Raspberry PiOS AArch64 Full Install a Libc6 version >= 2.29 Install Alpine Linux on Raspberry Pi Turing Pi V2 Announcement Download Libc6 for Linux Fedora/Raspberry Pi Ubuntu/Raspberry Pi Fedora	Check if Raspberry Pi 4 Model B is Rev1.2 RPi5 » OTG g_ether is not working RPi5 » dwc2 overlay fails RPI USB Gadget Releases PD » 1.0 » 2.0 » 3.0 » 3.1 Raspberry Pi Hardware Close a frozen SSH Pi4 USB-C Gadget RPI USB Gadget Apple iPad Pro