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SER6 Pro Vest 7735HS

环境信息

BIOS: EC-ARB20A-1.15-T01

Proxmox VE: 7.3-1

修复安装引导 Xorg

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// because http://lolengine.net/blog/2013/07/27/rgb-to-hsv-in-glsl is often down

vec3 rgb2hsv(vec3 c)
{
    vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
    vec4 p = mix(vec4(c.bg, K.wz), vec4(c.gb, K.xy), step(c.b, c.g));
    vec4 q = mix(vec4(p.xyw, c.r), vec4(c.r, p.yzx), step(p.x, c.r));

    float d = q.x - min(q.w, q.y);
    float e = 1.0e-10;

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"""
Tools for creating a CA cert and signed server certs.
Divined from http://svn.osafoundation.org/m2crypto/trunk/tests/test_x509.py

The mk_temporary_xxx calls return a NamedTemporaryFile with certs.

Usage ;

   # Create a temporary CA cert and it's private key
   cacert, cakey = mk_temporary_cacert()

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How to Set Up the NVIDIA Jetson Nano for openFrameworks

A Step-By-Step Guide from Unboxing to Creative Coding

Getting Started

1. Set up and Configure the Nano
2. Set up and Configure openFrameworks
   • Getting the Nightly Build
   • Editing MAKE files
   • Recompile with New Configs

• Finish openFrameworks Linux Setup

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To clear 307 HSTS redirects in Google Chrome (if you experimenting with SSL -- you probably wouldn't want to do this for a site that you do not opperate, since it is there to protect you), go to the following URL and delete the site.

chrome://net-internals/#hsts

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Scenario:

• multiple USB devices plugged via hub to a host (Linux OS based),
• multiple services/programs interacting with TTY running on top (e.g. GPSd)

Problem:

At boot TTY are randomly assigned to devices causing depending services/programs instabilities. They could indeed fail to start because of different TTY configurations.

Solution:

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ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

• Ctrl-Key: ^[
• Octal: \033
• Unicode: \u001b
• Hexadecimal: \x1B
• Decimal: 27

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Create Root CA (Done once)

Create Root Key

Attention: this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!

openssl genrsa -des3 -out rootCA.key 4096