OSI 7 layer diagram

https://www.edrawsoft.cn/%e4%b8%83%e5%b1%82%e7%bd%91%e7%bb%9c%e6%a8%a1%e5%9e%8b%e6%80%8e%e4%b9%88%e7%94%bb%ef%bc%9f5%e4%b8%aa%e6%ad%a5%e9%aa%a4%e5%ae%8c%e6%88%90%e4%b8%93%e4%b8%9a%e7%bd%91%e7%bb%9c%e6%a8%a1%e5%9e%8b/

https://www.cnblogs.com/cangqiongbingchen/p/5038479.html

 

Ball Balancing PID System

 

https://www.instructables.com/id/Ball-Balancing-PID-System/

DARPA AI Dogfight

Champion

https://www.linkedin.com/company/heron-systems-inc.

ACE overview

AI4Animation: Deep Learning, Character Animation, Control

https://github.com/sebastianstarke/AI4Animation

RT5572 + Linux kernel 3.13.x Exploration

RT5572 Exploration 

HW: get rt5572 usb WiFi adapter from EBay, Aliexpress, 

PC: Alienware Alpha ASM100 i3-4170T

Ubuntu 14.04 first release

http://old-releases.ubuntu.com/releases/14.04.0/ubuntu-14.04-server-i386.iso

Install w/ OpenSSH

sudo apt install flex bc texinfo build-essential aircrack-ng

Driver

https://d86o2zu8ugzlg.cloudfront.net/mediatek-craft/drivers/DPO_RT5572_LinuxSTA_2.6.1.3_20121022.tar.bz2

Note: this driver won't build with latest kernels (tried 5.4.x) 

$ sudo mkdir /tftpboot

$ sudo chmod 777 /tftpboot

$ cd DPO_RT5572_LinuxSTA_2.6.1.3_20121022/

$ vi include/os/rt_linux.h

change struct _OS_FS_INFO_ to the following

typedef struct _OS_FS_INFO_

{

        kuid_t                          fsuid;

        kgid_t                          fsgid;

        mm_segment_t    fs;

} OS_FS_INFO;

$ make -j100

$ sudo rmmod rt2800usb

$ sudo rmmod rt2x00usb

$ sudo rmmod rt2800lib

$ sudo rmmod rt2x00lib

$ sudo mkdir -p /etc/Wireless/RT2870STA/

$ sudo cp RT2870STA.dat /etc/Wireless/RT2870STA

$ sudo insmod /tftpboot/rt5572sta.ko

$ sudo ifconfig ra0 up

$ sudo iwconfig ra0 mode monitor

$ sudo airodump-ng --output-format pcap -w /tmp/tx ra0

Reference

https://www.cyberciti.biz/tips/linux-install-rt2870-chipset-based-usb-wireless-adapter.html

wsl 2 chrome

works for 18.04, not 20.04

sudo apt install ubuntu-desktop wget mesa-utils
export NO_AT_BRIDGE=1
exec dbus-run-session -- bash
sudo service dbus start

google-chrome --no-gpu --no-sandbox --disable-setuid-sandbox

First Order Motion Model for Image Animation

https://aliaksandrsiarohin.github.io/first-order-model-website/

code:
https://colab.research.google.com/github/AliaksandrSiarohin/first-order-model/blob/master/demo.ipynb

WSL 2 move distro to another drive

https://github.com/MicrosoftDocs/WSL/issues/412

Run powershell.exe as Administrator
PS C:\WINDOWS\system32> wsl -l
Windows Subsystem for Linux Distributions:
Ubuntu (Default)

# mkdir S:\ISOs\

PS C:\WINDOWS\system32> wsl --export Ubuntu S:\ISOs\ubuntu-wsl.tar

# mkdir w:\VMs

PS C:\WINDOWS\system32> cd w:\VMs
PS W:\VMs> mkdir ubuntu-wsl
PS W:\VMs> wsl --unregister Ubuntu
Unregistering...
PS W:\VMs> wsl --import Ubuntu W:\VMs\ubuntu-wsl S:\ISOs\ubuntu-wsl.tar
PS W:\VMs> wsl -l
Windows Subsystem for Linux Distributions:
Ubuntu (Default)

wikidevi replacement

wikidevi terminated 10/31/2019.  Here are two replacement pages.

https://archive.org/details/wikidevi

http://en.techinfodepot.shoutwiki.com/wiki/Main_Page