Initial commit: Sethian v0.1 release
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# Sethian OS - Modification Log
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## Project Overview
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**Base System:** Debian GNU/Linux 13 "Trixie" (Testing)
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**Desktop Environment:** GNOME 48
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**Project Path:** `/home/seth/Sethian/sethian0.2`
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**Current Version:** 0.2
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---
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## 1. Core System Modifications
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### Package Management
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* **Added:**
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* `task-gnome-desktop`: Full GNOME desktop environment.
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* `calamares`: The system installer.
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* `calamares-settings-debian`: Debian-specific configurations for Calamares.
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* `gnome-shell-extension-dash-to-panel`: Taskbar functionality.
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* `gnome-shell-extensions`: Standard GNOME extensions.
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* `qbittorrent`: BitTorrent client.
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* **Removed (Debloating):**
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* `totem`: Default GNOME Videos app.
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* `xiterm+thai`: Thai terminal emulator.
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* `thunderbird`: Email client.
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* `gnome-maps`: Maps application.
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* `gnome-weather`: Weather application.
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* `malcontent`, `malcontent-gui`: Parental controls.
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* `firmware-netronome`, `firmware-marvell-prestera`: Enterprise networking firmware (~200MB).
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* `fonts-noto-extra`, `fonts-noto-ui-extra`: Extensive global font support (~400MB).
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* `locales-all`: Pre-generated locales for all languages (~230MB).
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* `gnome-user-docs`: GNOME documentation (~70MB).
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* `wpolish`: Polish dictionary.
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### System Configuration
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* **Hostname:** Set to `sethian`.
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* **Locales:**
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* Restricted to `en_US.UTF-8` and `es_MX.UTF-8`.
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* Removed all other locale directories from `/usr/share/locale`.
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* **Keyboard Layout:**
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* Primary: English (US).
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* Secondary: English (Dvorak).
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* Toggle: `Win+Space`.
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* Applied system-wide via `/etc/default/keyboard` and per-user via DConf.
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---
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## 2. Desktop & UI Customizations (GNOME)
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### DConf Settings (Applied to Default User)
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* **Dash to Panel:**
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* Enabled by default.
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* **Position:** Top.
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* **Height:** 35px.
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* **App Grouping:** Disabled (`group-apps=false`).
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* **Extensions:**
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* Enabled `dash-to-panel` and `apps-menu` by default.
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* **Appearance:**
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* **Accent Color:** Locked to **Orange**.
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* **Wallpaper:** Locked to custom Black + Sethian Logo image.
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* **Theme:** Adwaita (Default).
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### Wallpaper
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* **File:** `/usr/share/backgrounds/black.png` (1920x1080 Black with centered Sethian logo).
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* **Registration:** Added `sethian-wallpapers.xml` to `/usr/share/gnome-background-properties/`.
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* **Cleanup:** Removed all other default wallpapers and XML definitions from `/usr/share/gnome-background-properties/`.
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---
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## 3. Installer (Calamares) Customization
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### Branding
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* **Name:** "Sethian" (Replaced "Debian GNU/Linux").
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* **Version:** "0.2" (Replaced "13" / "trixie").
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* **Images:**
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* Replaced `squid.png` (Icon), `languages.png` (Welcome), `banner.png` (Header) with `Sethian0.1.png`.
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* Target Directory: `/etc/calamares/branding/debian/`.
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* **Style:**
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* Sidebar Background: Black (`#000000`).
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* Highlight Color: Orange (`#ff8c00`).
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### Configuration
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* **Welcome Screen:**
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* Disabled "Support", "Known Issues", and "Release Notes" buttons.
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* **Language Selection:**
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* Restricted list to English (`en`) and Mexican Spanish (`es_MX`) via `welcome.conf`.
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* **Post-Install:**
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* Added `calamares` to the removal list in `packages.conf`, ensuring the installer is uninstalled from the target system after setup.
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---
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## 4. Bootloader & Splash Branding
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### ISOLINUX (BIOS Boot)
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* **Splash Image:** Replaced `/isolinux/splash.png` with Sethian logo in `custom-disk`.
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* **Menu Text:** Updated `menu.cfg` and `stdmenu.cfg` to display "Sethian Live" instead of "Debian Live".
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### GRUB (UEFI Boot)
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* **Splash Image:** Replaced `/boot/grub/splash.png` with Sethian logo in `custom-disk`.
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* **Menu Text:** Updated `grub.cfg` to display "Sethian Live".
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### Plymouth (Boot Animation)
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* **Theme:** Default `spinner` theme.
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* **Watermark:** Replaced `/usr/share/plymouth/themes/spinner/watermark.png` with Sethian logo.
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### GDM (Login Screen)
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* **Background:** Replaced `/usr/share/desktop-base/ceratopsian-theme/login/background.svg` with the Sethian wallpaper.
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---
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## 5. OS Identification
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* **Files Modified:** `/etc/os-release` and `/usr/lib/os-release`.
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* **NAME:** "Sethian".
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* **PRETTY_NAME:** "Sethian 0.2".
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* **HOME_URL:** "https://example.com/sethian" (Placeholder).
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#!/bin/bash
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# Exit immediately if a command exits with a non-zero status
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set -e
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echo "Starting Sethian 0.1 (Slim Edition + Printing/Scanning) Customization..."
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# --- 1. Repositories & Updates ---
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echo "Configuring repositories..."
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sed -i 's/main$/main contrib non-free non-free-firmware/' /etc/apt/sources.list
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sed -i 's/main non-free-firmware$/main contrib non-free non-free-firmware/' /etc/apt/sources.list
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# Disable installing "Recommends" to keep future installs light
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echo 'APT::Install-Recommends "0";' > /etc/apt/apt.conf.d/01norecommends
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echo 'APT::Install-Suggests "0";' >> /etc/apt/apt.conf.d/01norecommends
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apt-get update
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# --- 2. Remove Bloatware ---
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echo "Removing Heavy/Unused Packages..."
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# Remove Evolution (Email)
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apt-get purge -y evolution evolution-common evolution-plugins evolution-ews
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# Remove LibreOffice (Huge space saver)
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apt-get purge -y libreoffice*
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# Remove GNOME Games
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apt-get purge -y gnome-games aisleriot gnome-sudoku gnome-mines gnome-mahjongg gnome-nibbles gnome-robots quadrapassel lightsoff swell-foop tali five-or-more hitori iagno
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# Remove other standard apps you might not need (Maps, Weather, Contacts, etc.)
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# NOTE: We are KEEPING simple-scan for scanner support.
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apt-get purge -y gnome-maps gnome-weather gnome-contacts gnome-clocks cheese rhythmbox totem
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# Aggressive cleanup
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apt-get autoremove -y
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# --- 3. Install Core Applications & Utilities ---
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echo "Installing Core Apps (VLC, Chrome, Extensions, Printer GUI)..."
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# We include system-config-printer to ensure the printer setup GUI is available.
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apt-get install -y vlc curl wget gnupg git system-config-printer simple-scan
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# Install Chrome
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wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | gpg --dearmor -o /usr/share/keyrings/google-chrome.gpg
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echo "deb [arch=amd64 signed-by=/usr/share/keyrings/google-chrome.gpg] http://dl.google.com/linux/chrome/deb/ stable main" > /etc/apt/sources.list.d/google-chrome.list
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apt-get update
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apt-get install -y google-chrome-stable
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update-alternatives --set x-www-browser /usr/bin/google-chrome-stable
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update-alternatives --set gnome-www-browser /usr/bin/google-chrome-stable
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# Install Gemini CLI
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echo "Installing Node.js and Gemini CLI..."
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curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
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apt-get install -y nodejs
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npm install -g @google/gemini-cli
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# Install GNOME Extensions
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apt-get install -y gnome-shell-extension-dash-to-panel gnome-shell-extensions
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# --- 4. Drivers & Firmware ---
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echo "Installing firmware..."
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apt-get install -y firmware-linux firmware-linux-nonfree firmware-misc-nonfree firmware-iwlwifi firmware-realtek
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# --- 5. GNOME Configuration ---
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echo "Applying GNOME Settings Overrides..."
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cat <<EOF > /usr/share/glib-2.0/schemas/90_sethian_custom.gschema.override
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[org.gnome.desktop.interface]
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color-scheme='prefer-dark'
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gtk-theme='Adwaita-dark'
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[org.gnome.shell]
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enabled-extensions=['dash-to-panel@jderose9.github.io', 'apps-menu@gnome-shell-extensions.gcampax.github.com']
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favorite-apps=['google-chrome.desktop', 'org.gnome.Terminal.desktop', 'org.gnome.Nautilus.desktop', 'vlc.desktop']
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[org.gnome.shell.extensions.dash-to-panel]
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panel-position='TOP'
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taskbar-locked=true
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dot-position='TOP'
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appicon-margin=4
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appicon-padding=4
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group-apps=false
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[org.gnome.desktop.wm.preferences]
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button-layout='appmenu:minimize,maximize,close'
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EOF
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glib-compile-schemas /usr/share/glib-2.0/schemas/
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# --- Final Cleanup ---
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echo "Deep Cleaning..."
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apt-get clean
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rm -rf /var/lib/apt/lists/*
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rm -rf /tmp/*
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rm -rf /var/cache/apt/archives/*
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echo "Sethian 0.1 Customization Complete!"
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