Michael de Silva bsodmike

## upload_revoked.sh
#!/opt/homebrew/bin/fish
#
# Upload all revoked GnuPG (GPG) keys to a keyserver.
# Usage: fish ./upload_revoked.sh
#
# Copyright (c) Michael de Silva
# Profile: https://desilva.io/about
# Email: mike.cto@securecloudsolutions.io // PGP: https://bit.ly/3W8u9R8
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of

## linux_cpu_benchmark.md

      
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                bsodmike
                / linux_cpu_benchmark.md
            
            
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              July 2, 2024 12:52
            
          
    Linux CPU Benchmark

4-threads for the Raspberry Pi 4 & 5
sysbench cpu --cpu-max-prime=20000 --threads=4 --validate run


## komodo-defi-challenge.md

      
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                bsodmike
                / komodo-defi-challenge.md
            
            
              Created
              May 26, 2024 15:09
            
              
                Komodo DeFi Challenge feat-metrics
              
          
    Your task is to extend the functionality of the Komodo DeFi Framework by adding a new node type called a Metrics Node. This will serve as a foundational piece for further development and integration within our framework.
Detailed Requirements:

Repository Setup:

Please fork the Komodo DeFi Framework repository and create a new branch off the dev branch to work on this task.
Metrics Node Development:

  
## README.md

      
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                / README.md
            
            
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              April 22, 2024 15:34
            
              
                STM32CubeIDE with Portenta H7
              
          
    stm32h747xi_STM32CubeIDE_gist

Portenta H7

Bottom: Tx
Top: Rx


Tx from Arduino Portenta H7

  
## towards_impeccable_rust.md

      
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                bsodmike
                / towards_impeccable_rust.md
            
            
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              April 3, 2024 12:09
            
              
                Towards Impeccable Rust by Jon Gjengset, session at Rust Nation UK (27th March 2024)
              
          
    Towards Impeccable Rust

Testing


Miri
Test for error conditions

Embrace chaos (fuzzing)


Async/sync chaos Turmoil / shuttle
Value checks: quickcheck / proptest
Logic chaos: cargo-mutants


## crontab
# ┌───────────── Minute      (0 - 59)
# │ ┌─────────── Hour        (0 - 23)
# │ │  ┌───────── Date        (1 - 31)
# │ │  │ ┌─────── Month       (1 - 12)
# │ │  │ │ ┌───── Day of Week (0 - 7，0 Sunday，6 Saturday，7 Sunday)
# │ │  │ │ │
  0 0  * * *    /etc/rc.restart_webgui

## ssh_key_Ed25519.md

      
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                bsodmike
                / ssh_key_Ed25519.md
            
            
              Created
              October 26, 2022 06:41
            
              
                Create Ed25519 SSH key (ECDSA)
              
          
    ssh-keygen -o -a 500 -t ed25519 -f ~/.ssh/id_ed25519 -C "foo@bar.com"

Ref: https://medium.com/risan/upgrade-your-ssh-key-to-ed25519-c6e8d60d3c54

  
## handlers.rs
async fn accept_form(Form(input): Form<Input>, state: Extension<AppState>) -> Response<Body> {
    dbg!(&input);

    match save_form(&input, &state).await {
        Ok(_) => (),
        Err(e) => tracing::error!("Failed: {:?}", e),
    }

    let mut response = Response::builder()
        .status(StatusCode::SEE_OTHER)

## rules.yml
---
criticalpatterns:
  - 'pam_unix[\w\d\D]*failure'
  - 'gkr-pam[\w\d\D]*invalid'
  - 'USER_AUTH[\w\d\D]*pam_gnome_keyring[\w\d\D]*failed'

criticalexceptions:
  - 'timestamp:".*",level:"(error|warn)"'
  - '0 errors'

## atomics.rs
use std::cell::UnsafeCell;
use std::sync::atomic::{AtomicBool, Ordering};

const LOCKED: bool = true;
const UNLOCKED: bool = false;

pub struct Mutex<T> {
    locked: AtomicBool,
    v: UnsafeCell<T>,
}
	#!/opt/homebrew/bin/fish
	#
	# Upload all revoked GnuPG (GPG) keys to a keyserver.
	# Usage: fish ./upload_revoked.sh
	#
	# Copyright (c) Michael de Silva
	# Profile: https://desilva.io/about
	# Email: mike.cto@securecloudsolutions.io // PGP: https://bit.ly/3W8u9R8
	#
	# Permission is hereby granted, free of charge, to any person obtaining a copy of
	# ┌───────────── Minute (0 - 59)
	# │ ┌─────────── Hour (0 - 23)
	# │ │ ┌───────── Date (1 - 31)
	# │ │ │ ┌─────── Month (1 - 12)
	# │ │ │ │ ┌───── Day of Week (0 - 7，0 Sunday，6 Saturday，7 Sunday)
	# │ │ │ │ │
	0 0 * * * /etc/rc.restart_webgui
	async fn accept_form(Form(input): Form<Input>, state: Extension<AppState>) -> Response<Body> {
	dbg!(&input);

	match save_form(&input, &state).await {
	Ok(_) => (),
	Err(e) => tracing::error!("Failed: {:?}", e),
	}

	let mut response = Response::builder()
	.status(StatusCode::SEE_OTHER)
	---
	criticalpatterns:
	- 'pam_unix[\w\d\D]*failure'
	- 'gkr-pam[\w\d\D]*invalid'
	- 'USER_AUTH[\w\d\D]pam_gnome_keyring[\w\d\D]failed'

	criticalexceptions:
	- 'timestamp:".*",level:"(error\|warn)"'
	- '0 errors'
	use std::cell::UnsafeCell;
	use std::sync::atomic::{AtomicBool, Ordering};

	const LOCKED: bool = true;
	const UNLOCKED: bool = false;

	pub struct Mutex<T> {
	locked: AtomicBool,
	v: UnsafeCell<T>,
	}