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EFI
EFI
boot
boot
multiboot
multiboot
LICENSE
LICENSE
README.txt
README.txt
isolinux.cfg
isolinux.cfg
rebuild_iso.sh
rebuild_iso.sh
syslinux.cfg
syslinux.cfg

Repository files navigation

Hydra Multiboot Disk
This boot disk is intended to be used from a USB drive on machines that have either legacy BIOS or 64-bit UEFI firmware. 32-bit UEFI systems are NOT supported. Even if the this boot disk is intended to be used on USB drives given it's big size, it is also able to be booted via CD/DVD/BD if enough components are removed to make it fit. Modification of this disk is permitted and encouraged, so in order to make this easy, I made easy to understand GRUB config files and the following list that explains what every relevant file or directory is for:
/boot/grub/ <-- GRUB files (for BIOS and EFI modes) /boot/grub/lnxboot.img <-- Secondary BIOS mode bootloader (loaded by Isolinux)
/boot/isolinux/isolinux.bin <-- Primary BIOS mode bootloader (loads Grub) /EFI/BOOT/BOOTX64.EFI <-- EFI mode bootloader
/EFI/refind/ <-- rEFInd EFI bootloader
/multiboot/diskimg/ <-- Disk images and ISOs for various tools
/multiboot/menu/ <-- Menu definition files for GRUB
/multiboot/menu/main_menu.cfg <-- Main GRUB menu (If you want to modify this disk, start here!)
/multiboot/menu/ldlinux.sys <-- Primary BIOS mode bootloader (loads Grub) /rebuild_iso.sh <-- Bash script to rebuild the iso file after changes
Note on boot process: While on UEFI systems GRUB is loaded directly, on BIOS systems Isolinux is loaded first and then it loads GRUB
Based on:
YUMI
MediCat DVD

About

A multiboot disk with a graphical menu, intended to boot ISOs on BIOS or UEFI systems

Resources

Readme
GPL-3.0 license
Activity

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3 stars

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1 watching

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, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
 blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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EFI
boot
boot
multiboot
multiboot
LICENSE
LICENSE
README.txt
README.txt
isolinux.cfg
isolinux.cfg
rebuild_iso.sh
rebuild_iso.sh
syslinux.cfg
syslinux.cfg
Repository files navigation
Hydra Multiboot Disk
This boot disk is intended to be used from a USB drive on machines that have either legacy BIOS or 64-bit UEFI firmware. 32-bit UEFI systems are NOT supported. Even if the this boot disk is intended to be used on USB drives given it's big size, it is also able to be booted via CD/DVD/BD if enough components are removed to make it fit. Modification of this disk is permitted and encouraged, so in order to make this easy, I made easy to understand GRUB config files and the following list that explains what every relevant file or directory is for:
/boot/grub/ <-- GRUB files (for BIOS and EFI modes) /boot/grub/lnxboot.img <-- Secondary BIOS mode bootloader (loaded by Isolinux)
/boot/isolinux/isolinux.bin <-- Primary BIOS mode bootloader (loads Grub) /EFI/BOOT/BOOTX64.EFI <-- EFI mode bootloader
/EFI/refind/ <-- rEFInd EFI bootloader
/multiboot/diskimg/ <-- Disk images and ISOs for various tools
/multiboot/menu/ <-- Menu definition files for GRUB
/multiboot/menu/main_menu.cfg <-- Main GRUB menu (If you want to modify this disk, start here!)
/multiboot/menu/ldlinux.sys <-- Primary BIOS mode bootloader (loads Grub) /rebuild_iso.sh <-- Bash script to rebuild the iso file after changes
Note on boot process: While on UEFI systems GRUB is loaded directly, on BIOS systems Isolinux is loaded first and then it loads GRUB
Based on:
YUMI
MediCat DVD

About
A multiboot disk with a graphical menu, intended to boot ISOs on BIOS or UEFI systems
Resources
Readme
GPL-3.0 license
Activity
Stars
3 stars
Watchers
1 watching
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0 forks
Report repository
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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EFI
boot
boot
multiboot
multiboot
LICENSE
LICENSE
README.txt
README.txt
isolinux.cfg
isolinux.cfg
rebuild_iso.sh
rebuild_iso.sh
syslinux.cfg
syslinux.cfg
Repository files navigation
Hydra Multiboot Disk
This boot disk is intended to be used from a USB drive on machines that have either legacy BIOS or 64-bit UEFI firmware. 32-bit UEFI systems are NOT supported. Even if the this boot disk is intended to be used on USB drives given it's big size, it is also able to be booted via CD/DVD/BD if enough components are removed to make it fit. Modification of this disk is permitted and encouraged, so in order to make this easy, I made easy to understand GRUB config files and the following list that explains what every relevant file or directory is for:
/boot/grub/ <-- GRUB files (for BIOS and EFI modes) /boot/grub/lnxboot.img <-- Secondary BIOS mode bootloader (loaded by Isolinux)
/boot/isolinux/isolinux.bin <-- Primary BIOS mode bootloader (loads Grub) /EFI/BOOT/BOOTX64.EFI <-- EFI mode bootloader
/EFI/refind/ <-- rEFInd EFI bootloader
/multiboot/diskimg/ <-- Disk images and ISOs for various tools
/multiboot/menu/ <-- Menu definition files for GRUB
/multiboot/menu/main_menu.cfg <-- Main GRUB menu (If you want to modify this disk, start here!)
/multiboot/menu/ldlinux.sys <-- Primary BIOS mode bootloader (loads Grub) /rebuild_iso.sh <-- Bash script to rebuild the iso file after changes
Note on boot process: While on UEFI systems GRUB is loaded directly, on BIOS systems Isolinux is loaded first and then it loads GRUB
Based on:
YUMI
MediCat DVD

About
A multiboot disk with a graphical menu, intended to boot ISOs on BIOS or UEFI systems
Resources
Readme
GPL-3.0 license
Activity
Stars
3 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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EFI
boot
boot
multiboot
multiboot
LICENSE
LICENSE
README.txt
README.txt
isolinux.cfg
isolinux.cfg
rebuild_iso.sh
rebuild_iso.sh
syslinux.cfg
syslinux.cfg
Repository files navigation
Hydra Multiboot Disk
This boot disk is intended to be used from a USB drive on machines that have either legacy BIOS or 64-bit UEFI firmware. 32-bit UEFI systems are NOT supported. Even if the this boot disk is intended to be used on USB drives given it's big size, it is also able to be booted via CD/DVD/BD if enough components are removed to make it fit. Modification of this disk is permitted and encouraged, so in order to make this easy, I made easy to understand GRUB config files and the following list that explains what every relevant file or directory is for:
/boot/grub/ <-- GRUB files (for BIOS and EFI modes) /boot/grub/lnxboot.img <-- Secondary BIOS mode bootloader (loaded by Isolinux)
/boot/isolinux/isolinux.bin <-- Primary BIOS mode bootloader (loads Grub) /EFI/BOOT/BOOTX64.EFI <-- EFI mode bootloader
/EFI/refind/ <-- rEFInd EFI bootloader
/multiboot/diskimg/ <-- Disk images and ISOs for various tools
/multiboot/menu/ <-- Menu definition files for GRUB
/multiboot/menu/main_menu.cfg <-- Main GRUB menu (If you want to modify this disk, start here!)
/multiboot/menu/ldlinux.sys <-- Primary BIOS mode bootloader (loads Grub) /rebuild_iso.sh <-- Bash script to rebuild the iso file after changes
Note on boot process: While on UEFI systems GRUB is loaded directly, on BIOS systems Isolinux is loaded first and then it loads GRUB
Based on:
YUMI
MediCat DVD

About
A multiboot disk with a graphical menu, intended to boot ISOs on BIOS or UEFI systems
Resources
Readme
GPL-3.0 license
Activity
Stars
3 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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5 Commits
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NameName
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EFI
EFI
boot
boot
multiboot
multiboot
LICENSE
LICENSE
README.txt
README.txt
isolinux.cfg
isolinux.cfg
rebuild_iso.sh
rebuild_iso.sh
syslinux.cfg
syslinux.cfg
Repository files navigation
Hydra Multiboot Disk
This boot disk is intended to be used from a USB drive on machines that have either legacy BIOS or 64-bit UEFI firmware. 32-bit UEFI systems are NOT supported. Even if the this boot disk is intended to be used on USB drives given it's big size, it is also able to be booted via CD/DVD/BD if enough components are removed to make it fit. Modification of this disk is permitted and encouraged, so in order to make this easy, I made easy to understand GRUB config files and the following list that explains what every relevant file or directory is for:
/boot/grub/ <-- GRUB files (for BIOS and EFI modes) /boot/grub/lnxboot.img <-- Secondary BIOS mode bootloader (loaded by Isolinux)
/boot/isolinux/isolinux.bin <-- Primary BIOS mode bootloader (loads Grub) /EFI/BOOT/BOOTX64.EFI <-- EFI mode bootloader
/EFI/refind/ <-- rEFInd EFI bootloader
/multiboot/diskimg/ <-- Disk images and ISOs for various tools
/multiboot/menu/ <-- Menu definition files for GRUB
/multiboot/menu/main_menu.cfg <-- Main GRUB menu (If you want to modify this disk, start here!)
/multiboot/menu/ldlinux.sys <-- Primary BIOS mode bootloader (loads Grub) /rebuild_iso.sh <-- Bash script to rebuild the iso file after changes
Note on boot process: While on UEFI systems GRUB is loaded directly, on BIOS systems Isolinux is loaded first and then it loads GRUB
Based on:
YUMI
MediCat DVD

About
A multiboot disk with a graphical menu, intended to boot ISOs on BIOS or UEFI systems
Resources
Readme
GPL-3.0 license
Activity
Stars
3 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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boot
boot
multiboot
multiboot
LICENSE
LICENSE
README.txt
README.txt
isolinux.cfg
isolinux.cfg
rebuild_iso.sh
rebuild_iso.sh
syslinux.cfg
syslinux.cfg
Repository files navigation
Hydra Multiboot Disk
This boot disk is intended to be used from a USB drive on machines that have either legacy BIOS or 64-bit UEFI firmware. 32-bit UEFI systems are NOT supported. Even if the this boot disk is intended to be used on USB drives given it's big size, it is also able to be booted via CD/DVD/BD if enough components are removed to make it fit. Modification of this disk is permitted and encouraged, so in order to make this easy, I made easy to understand GRUB config files and the following list that explains what every relevant file or directory is for:
/boot/grub/ <-- GRUB files (for BIOS and EFI modes) /boot/grub/lnxboot.img <-- Secondary BIOS mode bootloader (loaded by Isolinux)
/boot/isolinux/isolinux.bin <-- Primary BIOS mode bootloader (loads Grub) /EFI/BOOT/BOOTX64.EFI <-- EFI mode bootloader
/EFI/refind/ <-- rEFInd EFI bootloader
/multiboot/diskimg/ <-- Disk images and ISOs for various tools
/multiboot/menu/ <-- Menu definition files for GRUB
/multiboot/menu/main_menu.cfg <-- Main GRUB menu (If you want to modify this disk, start here!)
/multiboot/menu/ldlinux.sys <-- Primary BIOS mode bootloader (loads Grub) /rebuild_iso.sh <-- Bash script to rebuild the iso file after changes
Note on boot process: While on UEFI systems GRUB is loaded directly, on BIOS systems Isolinux is loaded first and then it loads GRUB
Based on:
YUMI
MediCat DVD

About
A multiboot disk with a graphical menu, intended to boot ISOs on BIOS or UEFI systems
Resources
Readme
GPL-3.0 license
Activity
Stars
3 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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5 Commits
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NameName
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EFI
EFI
boot
boot
multiboot
multiboot
LICENSE
LICENSE
README.txt
README.txt
isolinux.cfg
isolinux.cfg
rebuild_iso.sh
rebuild_iso.sh
syslinux.cfg
syslinux.cfg
Repository files navigation
Hydra Multiboot Disk
This boot disk is intended to be used from a USB drive on machines that have either legacy BIOS or 64-bit UEFI firmware. 32-bit UEFI systems are NOT supported. Even if the this boot disk is intended to be used on USB drives given it's big size, it is also able to be booted via CD/DVD/BD if enough components are removed to make it fit. Modification of this disk is permitted and encouraged, so in order to make this easy, I made easy to understand GRUB config files and the following list that explains what every relevant file or directory is for:
/boot/grub/ <-- GRUB files (for BIOS and EFI modes) /boot/grub/lnxboot.img <-- Secondary BIOS mode bootloader (loaded by Isolinux)
/boot/isolinux/isolinux.bin <-- Primary BIOS mode bootloader (loads Grub) /EFI/BOOT/BOOTX64.EFI <-- EFI mode bootloader
/EFI/refind/ <-- rEFInd EFI bootloader
/multiboot/diskimg/ <-- Disk images and ISOs for various tools
/multiboot/menu/ <-- Menu definition files for GRUB
/multiboot/menu/main_menu.cfg <-- Main GRUB menu (If you want to modify this disk, start here!)
/multiboot/menu/ldlinux.sys <-- Primary BIOS mode bootloader (loads Grub) /rebuild_iso.sh <-- Bash script to rebuild the iso file after changes
Note on boot process: While on UEFI systems GRUB is loaded directly, on BIOS systems Isolinux is loaded first and then it loads GRUB
Based on:
YUMI
MediCat DVD

About
A multiboot disk with a graphical menu, intended to boot ISOs on BIOS or UEFI systems
Resources
Readme
GPL-3.0 license
Activity
Stars
3 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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boot
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LICENSE
README.txt
README.txt
isolinux.cfg
isolinux.cfg
rebuild_iso.sh
rebuild_iso.sh
syslinux.cfg
syslinux.cfg
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Hydra Multiboot Disk
This boot disk is intended to be used from a USB drive on machines that have either legacy BIOS or 64-bit UEFI firmware. 32-bit UEFI systems are NOT supported. Even if the this boot disk is intended to be used on USB drives given it's big size, it is also able to be booted via CD/DVD/BD if enough components are removed to make it fit. Modification of this disk is permitted and encouraged, so in order to make this easy, I made easy to understand GRUB config files and the following list that explains what every relevant file or directory is for:
/boot/grub/ <-- GRUB files (for BIOS and EFI modes) /boot/grub/lnxboot.img <-- Secondary BIOS mode bootloader (loaded by Isolinux)
/boot/isolinux/isolinux.bin <-- Primary BIOS mode bootloader (loads Grub) /EFI/BOOT/BOOTX64.EFI <-- EFI mode bootloader
/EFI/refind/ <-- rEFInd EFI bootloader
/multiboot/diskimg/ <-- Disk images and ISOs for various tools
/multiboot/menu/ <-- Menu definition files for GRUB
/multiboot/menu/main_menu.cfg <-- Main GRUB menu (If you want to modify this disk, start here!)
/multiboot/menu/ldlinux.sys <-- Primary BIOS mode bootloader (loads Grub) /rebuild_iso.sh <-- Bash script to rebuild the iso file after changes
Note on boot process: While on UEFI systems GRUB is loaded directly, on BIOS systems Isolinux is loaded first and then it loads GRUB
Based on:
YUMI
MediCat DVD

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A multiboot disk with a graphical menu, intended to boot ISOs on BIOS or UEFI systems
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