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‎.gitignore

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# IDEs
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.idea
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.vscode
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# Hugo
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.hugo_build.lock

‎.gitmodules

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[submodule "public"]
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path = public
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url = ../phenix66.github.io.git

‎archetypes/default.md

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title = '{{ replace .File.ContentBaseName "-" " " | title }}'
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date = {{ .Date }}
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draft = true
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‎content/_index.md

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archetype = "home"
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title = "Phenix66"
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A good portion of this site, if not all of it at the time you are reading this, is just me
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attempting to dump my notes that have moved from one note taking application to another
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over the years into a more permanent location. If something doesn't make sense, well
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it might not to me anymore either!

‎content/linux/_index.md

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archetype = "chapter"
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title = "Linux"
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weight = 1
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9001 times better than Windows.

‎content/linux/basics/_index.md

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date = 2024-01-22T20:17:30-05:00
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title = "Basics"
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weight = 2
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## Boot Process
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1. POST
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2. Bootloader
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1. GRUB:
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1. Stage 1 # Loads stage 1.5
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2. Stage 1.5 # Provides filesystem support, loads stage 2
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3. Stage 2 # Contains the bulk of the bootloader, allows users to select kernel and kernel boot options. Loads kernel into RAM
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2. Solaris (pre-10 1/06)
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1. mboot
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2. pboot
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3. bootblk
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3. Kernel Init
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1. initrd or initramfs
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1. Provides temp filesystem required to load kernel modules and drivers
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4. User Space Init
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1. SysV
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1. Serial, starts processes one after the other
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2. When first booting up, kill scripts will generally not be ran
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3. init (PID 1) # Ancestor of all other processes
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4. /etc/inittab
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1. Defines default run level
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2. Tells the system what to do when rebooted or run level is changed
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5. Red Hat:
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1. /etc/rc.d/
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* Startup scripts
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2. /etc/rc.d/init.d/
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* Contains actual service control scripts
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3. /etc/rc.d/rc.sysinit
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* Config to be run before other services. Time zone, hostname, etc
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4. /etc/rc.d/rc.local
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* Config to be run after services are up. Typically system specific such as VPNs
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6. Debian:
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1. /etc/rc<#>.d/
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2. /etc/init.d/rcS
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* equivalent to rc.sysinit
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2. upstart
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1. Can run steps in parallel
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2. Init reads .conf files in /etc/init
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3. One of those scripts runs /etc/rc.d/rc script for desired runlevel. This provides the SysV backwards compatiability
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3. systemd
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1. Can run steps in parallel
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2. /usr/lib/systemd/systemd (PID 1) # May also be /sbin/init (symbolic link to systemd)
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3. Units
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* Service # Daemons
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* Socket # IPC and network
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* Target # Similar to runlevel, groups units together during boot up
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* Located in /etc/systemd/system and /usr/lib/systemd/system
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* Units in /etc take precedence
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4. States
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* Load
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* Did it successfully read the unit's configuration file?
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* Active
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* Is it running?
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* Sub
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* Low-level unit activation state
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5. /etc/systemd/system/default.target
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* Symbolic link to default target
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4. SMF # Solaris 10+
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1. Can run steps in parallel
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2. Milestones
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* Replaces runlevels
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3. /etc/svc/repository.db
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* Config database
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## Shells
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### Types
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https://phoenixnap.com/kb/linux-shells
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https://www.freecodecamp.org/news/linux-shells-explained/
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### Profile Loading
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https://youngstone89.medium.com/unix-introduction-bash-startup-files-loading-order-562543ac12e9
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https://access.redhat.com/solutions/452073
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![Shell profile related files](github.com/phenix66/phenix66.github.io-src/images/shell_profiles.png?width=100%&height=100%)
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## Login
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![Image showing the Linux login flow](github.com/phenix66/phenix66.github.io-src/images/console_login_flow.png?width=100%&height=100%)

‎deploy.sh

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#!/bin/bash
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set -euo pipefail
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rm -rf public/*
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hugo
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cd public
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git add -A
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git commit -m "GitHub Pages Build: $(date +%F)"
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git push origin main --force

‎go.mod

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module github.com/phenix66/phenix66.github.io-src
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go 1.21.6
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require github.com/McShelby/hugo-theme-relearn v0.0.0-20231103223729-32a23dbf4400 // indirect

‎go.sum

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github.com/McShelby/hugo-theme-relearn v0.0.0-20231103223729-32a23dbf4400 h1:xWG9Mq/0oeKnuzz7LtNJrvwg1Df0LO+vQwHGjhqKXnA=
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github.com/McShelby/hugo-theme-relearn v0.0.0-20231103223729-32a23dbf4400/go.mod h1:mKQQdxZNIlLvAj8X3tMq+RzntIJSr9z7XdzuMomt0IM=
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github.com/McShelby/hugo-theme-relearn v0.0.0-20240121131944-13b451368861 h1:rJrw/uIvoldK1MKTz9tIjSLAlCuDLG9KoksP4BCy33g=
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github.com/McShelby/hugo-theme-relearn v0.0.0-20240121131944-13b451368861/go.mod h1:mKQQdxZNIlLvAj8X3tMq+RzntIJSr9z7XdzuMomt0IM=

‎hugo.toml

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baseURL = 'https://phenix66.github.io/'
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languageCode = 'en-us'
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title = 'Phenix66 - GitHub Pages'
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[module]
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[[module.imports]]
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path = 'github.com/McShelby/hugo-theme-relearn'
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[outputs]
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home = [ "HTML", "RSS", "SEARCH"]

‎images/console_login_flow.png

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‎images/shell_profiles.png

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‎public

Submodule public added at 40dcacb

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