https://github.com/korilakkuma/misc

Miscellaneous programs (Audio Signal Processing, Assembly, Algorithms, UNIX system call ... etc)
https://github.com/korilakkuma/misc

Last synced: 20 days ago
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Miscellaneous programs (Audio Signal Processing, Assembly, Algorithms, UNIX system call ... etc)

• Host: GitHub
• URL: https://github.com/korilakkuma/misc
• Owner: Korilakkuma
• Created: 2022-05-15T05:45:10.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2024-04-22T12:38:31.000Z (7 months ago)
• Last Synced: 2024-04-22T13:52:14.262Z (7 months ago)
• Language: C
• Homepage:
• Size: 170 MB
• Stars: 0
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# miscellaneous programs

## Setup Web Server

If use WebAssembly, the following web server sends `application/wasm` as a correct response.

```bash

$ python3 server.py

```

## ALSA

Install ALSA libraries on Ubuntu (or others Linux distributions).

```bash

$ sudo apt -y install libasound2-dev

$ sudo apt -y install libflac-dev

$ sudo apt -y install libfltk1.3-dev

$ sudo apt -y install libsndfile1-dev

```

## CASL Ⅱ Online Simulator

https://www.officedaytime.com/dcaslj/

## emsdk (Emscripten)

```bash

$ git clone https://github.com/emscripten-core/emsdk.git

$ cd emsdk

$ ./emsdk install latest  # Use `./emsdk install sdk-upstream-main-64bit` in case of Apple Silicon

$ ./emsdk activate latest # Use `./emsdk activate sdk-upstream-main-64bit` in case of Apple Silicon

$ source ./emsdk_env.sh

# if error occurred, execute `softwareupdate --install-rosetta`, then retry

```

## Install packages for Go

```bach

$ go env -w GO111MODULE=on

$ cd go

$ go mod init http  # target directory

$ go mod tidy

```

## Create certificates for TLS

```bash

$ cp /etc/ssl/openssl.cnf ./  # if macOS

$ vim openssl.cnf

# append the below:

[ CA ]

basicConstraints=critical,CA:TRUE,pathlen:0

keyUsage=digitalSignature,keyCertSign,cRLSign

[ Server ]

basicConstraints=CA:FALSE

keyUsage=digitalSignature,dataEncipherment

extendedKeyUsage=serverAuth

[ Client ]

basicConstraints=CA:FALSE

keyUsage=digitalSignature,dataEncipherment

extendedKeyUsage=clientAuth

# Create root certificate

$ openssl genrsa -out ca.key 2048

$ openssl req -new -sha256 -key ca.key -out ca.csr -config openssl.cnf

$ openssl x509 -in ca.csr -days 365 -req -signkey ca.key -sha256 -out ca.crt -extfile ./openssl.cnf -extensions CA

# Confirm

$ openssl rsa -in ca.key -text

$ openssl req -in ca.csr -text

$ openssl x509 -in ca.crt -text

# Create server certificate

$ openssl genrsa -out server.key 2048

$ openssl req -new -nodes -sha256 -key server.key -out server.csr -config openssl.cnf

$ openssl x509 -req -days 365 -in server.csr -sha256 -out server.crt -CA ca.crt -CAkey ca.key -CAcreateserial -extfile ./openssl.cnf -extensions Server

```