Notes Index

By bamr87

Working notes, code snippets, and quick references collected during development — PowerShell, Linux, macOS tips, and more.

Estimated reading time: 5 minutes

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Table of Contents

Notes

Working notes, code snippets, and quick references collected during IT-Journey development. These are informal — think scratch pad, not polished guide. For structured learning, see the Quick Start Guide or Docs Library.

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Other IT-Journey Collections

Collection	What It Is
📘 Quick Start Guide	Step-by-step setup — machine config, Jekyll, GitHub, VS Code, deployment, CI/CD
🏰 Quest Map	144 gamified quests across 16 binary levels — from terminal basics to system architecture
📚 Docs Library	Reference documentation — terminal shortcuts, Bash, Jekyll config, Liquid, Mermaid, MathJax
📰 Blog Posts	Tutorials, AI development chronicles, and technical write-ups across 10 categories

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Random Notes

Devops

Windows

Open Powershell in Admin mode

powershell -Command "Start-Process PowerShell -Verb RunAs"

Set the following environment variables:

  $envName= 'psgist'
  $envValue= '64e4d4d22d4757be6e8e26fd39d760c9'
  $env:psgist = $envValue

function Set-EnvVar($envName, $envValue) {
    # param($envName, $envValue)
    # $env:$name = $value

[System.Environment]::    ($envName, $envValue,[System.EnvironmentVariableTarget]::User)
write-host 'Environment variable set'
write-host '$envName: $envValue'
}

Set-EnvVar $envName $envValue

echo $env:psgist

$name = "amr"
$value = "smells"

function Set-LocalVar($name, $value) {
    # parm($name, $value)
    write-host "$name $value"
}

Set-LocalVar amr smells

Navigate to Profile home directory

split-path $PROFILE | cd

Download $Profile

function Git-profile {
  $gitUser ="bamr87"
  Write-Output $env:psgist
  $masterProfile = "Microsoft.PowerShell_profile.ps1"
  
  $url = "https://gist.githubusercontent.com/$gitUser/$env:psgist/raw/$masterProfile"
  $FileName = Split-Path $profile -Leaf
  $FilePath = Split-Path $profile
  $FullPath = "$FilePath\$FileName"
  
  $webclient = New-Object System.Net.WebClient
  $webclient.DownloadFile($url,$FullPath)
}

function Restart-Powershell {
  Start-Process powershell
  exit
}

restart powershell function

function Restart-Powershell {
  Start-Process powershell
  exit
}

Linux

MacOS

Importing and exporting homebrew packages

vscode://file/C:/Users/AmrAbdel-Motaleb/OneDrive/Documents/GitHub/_notes/index.md

{{site.github.repository_url}}

<div class="sidebar__top">
  <a href="'''liquid{{site.github.repository_url}}'''/blob/gh-pages/{{page.name}}">
    <i class="fab fa-github-square"></i>
  </a>
  <a href="vscode://file{{ site.local_git_pc}}/{{ site.local_repo }}/{{ page.path }}">
    <i class="fas fa-laptop-code"></i>
  </a>
  <a href="vscode://file{{ site.local_git_mac}}/{{ site.local_repo }}/{{ page.path }}">
    <i class="fas fa-laptop-code"></i>
  </a>
  <a href="#page-title" class="back-to-top">{{ site.data.ui-text[site.locale].back_to_top | default: 'Back to Top' }} &uarr;</a>
</div>

Features

Hover Notes

Paste images in Markdown

Autoscale images

Render LaTeX from markdown

add script to head

<script src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML" type="text/javascript"></script>

$$ \nabla_\boldsymbol{x} J(\boldsymbol{x}) $$

\(\nabla_\boldsymbol{x} J(\boldsymbol{x})\)

MathJax

Golden Ratio
1.6180339887
\phi = \frac{1+\sqrt{5}}{2}

\begin{equation} \phi = \frac{1+\sqrt{5}}{2} \end{equation}

\(\phi = \frac{1+\sqrt{5}}{2}\) is the golden ratio

\begin{align} \phi = \frac{1+\sqrt{5}}{2} \end{align}

Auto Name Code Snippet

# Conversion
markdown: kramdown
highlighter: rouge
syntax_highlighter: coderay
# lsi: false
# excerpt_separator: "\n\n"
# incremental: false

# Markdown Processing https://jekyllrb.com/docs/configuration/markdown/
kramdown: # https://kramdown.gettalong.org/options.html
  input: GFM
  header_offset: 2
  # hard_wrap: false
  auto_ids: true
  # footnote_nr: 1
  # entity_output: as_char
  # toc_levels: 1..6
  # smart_quotes: lsquo,rsquo,ldquo,rdquo
  # enable_coderay: false

Keyboard shortcuts

MS WOrd

Gallery

![this is a caption](../assets/images/nubi-son.png){: .img-fluid }

adding {: .img-fluid } to a list of images will add it to the <p> tag.

See _scss/it-journey/it-journey.scss

// Extends the CSS for .img-fluid to <img> tags inside a <p> tag

p, img 
  {
    @extend .img-fluid;
  }

Examples

this is a block quote

[!NOTE] this is a note

Commands

• mkdocs new [dir-name] - Create a new project.
• mkdocs serve - Start the live-reloading docs server.
• mkdocs build - Build the documentation site.
• mkdocs -h - Print help message and exit.

Project layout

mkdocs.yml    # The configuration file.
docs/
    index.md  # The documentation homepage.
    ...       # Other markdown pages, images and other files.

Icons with bootstrap

https://icons.getbootstrap.com/#install

OS Based instructions

TODO: find a way to include OS based instructions using liquid tags

These instructions are pertinent to Mac users.

These instructions are pertinent to Linux users.

These instructions are pertinent to Windows users.

Github Custom Domain

docs

frontmatter content types

https://frontmatter.codes/docs/content-creation/content-types#run-a-script-after-your-content-is-created