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Pacemaker

What is Pacemaker?

Pacemaker is an advanced, scalable high-availability cluster resource manager.

It supports "N-node" clusters with significant capabilities for managing resources and dependencies.

It will run scripts at initialization, when machines go up or down, when related resources fail and can be configured to periodically check resource health.

Who is Pacemaker?

Pacemaker is distributed by ClusterLabs.

Pacemaker was initially created by main architect and lead developer Andrew Beekhof andrew@beekhof.net, with the aid of project catalyst and advocate Lars Marowsky-Brée lmb@suse.de.

Many, many developers have contributed significantly to the project since. The git log is the definitive record of their greatly appreciated contributions.

The wider community of Pacemaker users is another essential aspect of the project's existence, especially the many users who participate in the mailing lists, blog about HA clustering, and otherwise actively make the project more useful.

Where do I get Pacemaker?

Pacemaker source code is distributed via Github.

From there, you can clone or download the repository to get the latest development code, or download one of the official releases.

How do I install Pacemaker?

See INSTALL.md.

What higher-level interfaces to Pacemaker are available?

There are multiple user interfaces for Pacemaker, including command-line tools, graphical user interfaces and web frontends. The crm shell used to be included in the Pacemaker source tree, but is now a separate project.

This is not an exhaustive list:

Can I convert some other cluster configuration to Pacemaker?

clufter is a general-purpose tool for converting one cluster representation format to another. Among other possibilities, it can convert from a cluster based on rgmanager with CMAN to a one based on pacemaker with corosync. See its documentation for details.

How can I help?

See CONTRIBUTING.md.

Where can I find more information about Pacemaker?

About

Pacemaker is an advanced, scalable High-Availability cluster resource manager

www.clusterlabs.org

Resources

Readme
License

Contributing

Contributing
Activity

Stars

0 stars

Watchers

1 watching

Forks

0 forks
Report repository

Releases

Packages

Contributors

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n 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;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} 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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Pacemaker
What is Pacemaker?
Pacemaker is an advanced, scalable high-availability cluster resource manager.
It supports "N-node" clusters with significant capabilities for
managing resources and dependencies.
It will run scripts at initialization, when machines go up or down,
when related resources fail and can be configured to periodically check
resource health.
Who is Pacemaker?
Pacemaker is distributed by ClusterLabs.
Pacemaker was initially created by main architect and lead developer
Andrew Beekhof andrew@beekhof.net, with the aid of
project catalyst and advocate Lars Marowsky-Brée lmb@suse.de.
Many, many developers have contributed significantly to the project since.
The git log is the definitive record of their greatly appreciated
contributions.
The wider community of Pacemaker users is another essential aspect of the
project's existence, especially the many users who participate in the mailing
lists, blog about HA clustering, and otherwise actively make the project more
useful.
Where do I get Pacemaker?
Pacemaker source code is distributed via
Github.
From there, you can clone or download the repository to get the latest
development code, or download one of the official
releases.
How do I install Pacemaker?
See INSTALL.md.
What higher-level interfaces to Pacemaker are available?
There are multiple user interfaces for Pacemaker, including command-line
tools, graphical user interfaces and web frontends. The crm shell
used to be included in the Pacemaker source tree, but is now
a separate project.
This is not an exhaustive list:
Can I convert some other cluster configuration to Pacemaker?
clufter is a general-purpose tool
for converting one cluster representation format to another. Among other
possibilities, it can convert from a cluster based on rgmanager with CMAN to
a one based on pacemaker with corosync. See its documentation for details.
How can I help?
See CONTRIBUTING.md.
Where can I find more information about Pacemaker?
About
Pacemaker is an advanced, scalable High-Availability cluster resource manager
www.clusterlabs.org
Resources
Readme
License
Contributing
Contributing
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
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Pacemaker
What is Pacemaker?
Pacemaker is an advanced, scalable high-availability cluster resource manager.
It supports "N-node" clusters with significant capabilities for
managing resources and dependencies.
It will run scripts at initialization, when machines go up or down,
when related resources fail and can be configured to periodically check
resource health.
Who is Pacemaker?
Pacemaker is distributed by ClusterLabs.
Pacemaker was initially created by main architect and lead developer
Andrew Beekhof andrew@beekhof.net, with the aid of
project catalyst and advocate Lars Marowsky-Brée lmb@suse.de.
Many, many developers have contributed significantly to the project since.
The git log is the definitive record of their greatly appreciated
contributions.
The wider community of Pacemaker users is another essential aspect of the
project's existence, especially the many users who participate in the mailing
lists, blog about HA clustering, and otherwise actively make the project more
useful.
Where do I get Pacemaker?
Pacemaker source code is distributed via
Github.
From there, you can clone or download the repository to get the latest
development code, or download one of the official
releases.
How do I install Pacemaker?
See INSTALL.md.
What higher-level interfaces to Pacemaker are available?
There are multiple user interfaces for Pacemaker, including command-line
tools, graphical user interfaces and web frontends. The crm shell
used to be included in the Pacemaker source tree, but is now
a separate project.
This is not an exhaustive list:
Can I convert some other cluster configuration to Pacemaker?
clufter is a general-purpose tool
for converting one cluster representation format to another. Among other
possibilities, it can convert from a cluster based on rgmanager with CMAN to
a one based on pacemaker with corosync. See its documentation for details.
How can I help?
See CONTRIBUTING.md.
Where can I find more information about Pacemaker?
About
Pacemaker is an advanced, scalable High-Availability cluster resource manager
www.clusterlabs.org
Resources
Readme
License
Contributing
Contributing
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

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

Skip to content
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Pacemaker
What is Pacemaker?
Pacemaker is an advanced, scalable high-availability cluster resource manager.
It supports "N-node" clusters with significant capabilities for
managing resources and dependencies.
It will run scripts at initialization, when machines go up or down,
when related resources fail and can be configured to periodically check
resource health.
Who is Pacemaker?
Pacemaker is distributed by ClusterLabs.
Pacemaker was initially created by main architect and lead developer
Andrew Beekhof andrew@beekhof.net, with the aid of
project catalyst and advocate Lars Marowsky-Brée lmb@suse.de.
Many, many developers have contributed significantly to the project since.
The git log is the definitive record of their greatly appreciated
contributions.
The wider community of Pacemaker users is another essential aspect of the
project's existence, especially the many users who participate in the mailing
lists, blog about HA clustering, and otherwise actively make the project more
useful.
Where do I get Pacemaker?
Pacemaker source code is distributed via
Github.
From there, you can clone or download the repository to get the latest
development code, or download one of the official
releases.
How do I install Pacemaker?
See INSTALL.md.
What higher-level interfaces to Pacemaker are available?
There are multiple user interfaces for Pacemaker, including command-line
tools, graphical user interfaces and web frontends. The crm shell
used to be included in the Pacemaker source tree, but is now
a separate project.
This is not an exhaustive list:
Can I convert some other cluster configuration to Pacemaker?
clufter is a general-purpose tool
for converting one cluster representation format to another. Among other
possibilities, it can convert from a cluster based on rgmanager with CMAN to
a one based on pacemaker with corosync. See its documentation for details.
How can I help?
See CONTRIBUTING.md.
Where can I find more information about Pacemaker?
About
Pacemaker is an advanced, scalable High-Availability cluster resource manager
www.clusterlabs.org
Resources
Readme
License
Contributing
Contributing
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
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Pacemaker
What is Pacemaker?
Pacemaker is an advanced, scalable high-availability cluster resource manager.
It supports "N-node" clusters with significant capabilities for
managing resources and dependencies.
It will run scripts at initialization, when machines go up or down,
when related resources fail and can be configured to periodically check
resource health.
Who is Pacemaker?
Pacemaker is distributed by ClusterLabs.
Pacemaker was initially created by main architect and lead developer
Andrew Beekhof andrew@beekhof.net, with the aid of
project catalyst and advocate Lars Marowsky-Brée lmb@suse.de.
Many, many developers have contributed significantly to the project since.
The git log is the definitive record of their greatly appreciated
contributions.
The wider community of Pacemaker users is another essential aspect of the
project's existence, especially the many users who participate in the mailing
lists, blog about HA clustering, and otherwise actively make the project more
useful.
Where do I get Pacemaker?
Pacemaker source code is distributed via
Github.
From there, you can clone or download the repository to get the latest
development code, or download one of the official
releases.
How do I install Pacemaker?
See INSTALL.md.
What higher-level interfaces to Pacemaker are available?
There are multiple user interfaces for Pacemaker, including command-line
tools, graphical user interfaces and web frontends. The crm shell
used to be included in the Pacemaker source tree, but is now
a separate project.
This is not an exhaustive list:
Can I convert some other cluster configuration to Pacemaker?
clufter is a general-purpose tool
for converting one cluster representation format to another. Among other
possibilities, it can convert from a cluster based on rgmanager with CMAN to
a one based on pacemaker with corosync. See its documentation for details.
How can I help?
See CONTRIBUTING.md.
Where can I find more information about Pacemaker?
About
Pacemaker is an advanced, scalable High-Availability cluster resource manager
www.clusterlabs.org
Resources
Readme
License
Contributing
Contributing
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
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Pacemaker
What is Pacemaker?
Pacemaker is an advanced, scalable high-availability cluster resource manager.
It supports "N-node" clusters with significant capabilities for
managing resources and dependencies.
It will run scripts at initialization, when machines go up or down,
when related resources fail and can be configured to periodically check
resource health.
Who is Pacemaker?
Pacemaker is distributed by ClusterLabs.
Pacemaker was initially created by main architect and lead developer
Andrew Beekhof andrew@beekhof.net, with the aid of
project catalyst and advocate Lars Marowsky-Brée lmb@suse.de.
Many, many developers have contributed significantly to the project since.
The git log is the definitive record of their greatly appreciated
contributions.
The wider community of Pacemaker users is another essential aspect of the
project's existence, especially the many users who participate in the mailing
lists, blog about HA clustering, and otherwise actively make the project more
useful.
Where do I get Pacemaker?
Pacemaker source code is distributed via
Github.
From there, you can clone or download the repository to get the latest
development code, or download one of the official
releases.
How do I install Pacemaker?
See INSTALL.md.
What higher-level interfaces to Pacemaker are available?
There are multiple user interfaces for Pacemaker, including command-line
tools, graphical user interfaces and web frontends. The crm shell
used to be included in the Pacemaker source tree, but is now
a separate project.
This is not an exhaustive list:
Can I convert some other cluster configuration to Pacemaker?
clufter is a general-purpose tool
for converting one cluster representation format to another. Among other
possibilities, it can convert from a cluster based on rgmanager with CMAN to
a one based on pacemaker with corosync. See its documentation for details.
How can I help?
See CONTRIBUTING.md.
Where can I find more information about Pacemaker?
About
Pacemaker is an advanced, scalable High-Availability cluster resource manager
www.clusterlabs.org
Resources
Readme
License
Contributing
Contributing
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

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

Skip to content
BranchesTags
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Pacemaker
What is Pacemaker?
Pacemaker is an advanced, scalable high-availability cluster resource manager.
It supports "N-node" clusters with significant capabilities for
managing resources and dependencies.
It will run scripts at initialization, when machines go up or down,
when related resources fail and can be configured to periodically check
resource health.
Who is Pacemaker?
Pacemaker is distributed by ClusterLabs.
Pacemaker was initially created by main architect and lead developer
Andrew Beekhof andrew@beekhof.net, with the aid of
project catalyst and advocate Lars Marowsky-Brée lmb@suse.de.
Many, many developers have contributed significantly to the project since.
The git log is the definitive record of their greatly appreciated
contributions.
The wider community of Pacemaker users is another essential aspect of the
project's existence, especially the many users who participate in the mailing
lists, blog about HA clustering, and otherwise actively make the project more
useful.
Where do I get Pacemaker?
Pacemaker source code is distributed via
Github.
From there, you can clone or download the repository to get the latest
development code, or download one of the official
releases.
How do I install Pacemaker?
See INSTALL.md.
What higher-level interfaces to Pacemaker are available?
There are multiple user interfaces for Pacemaker, including command-line
tools, graphical user interfaces and web frontends. The crm shell
used to be included in the Pacemaker source tree, but is now
a separate project.
This is not an exhaustive list:
Can I convert some other cluster configuration to Pacemaker?
clufter is a general-purpose tool
for converting one cluster representation format to another. Among other
possibilities, it can convert from a cluster based on rgmanager with CMAN to
a one based on pacemaker with corosync. See its documentation for details.
How can I help?
See CONTRIBUTING.md.
Where can I find more information about Pacemaker?
About
Pacemaker is an advanced, scalable High-Availability cluster resource manager
www.clusterlabs.org
Resources
Readme
License
Contributing
Contributing
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

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

Skip to content
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Pacemaker
What is Pacemaker?
Pacemaker is an advanced, scalable high-availability cluster resource manager.
It supports "N-node" clusters with significant capabilities for
managing resources and dependencies.
It will run scripts at initialization, when machines go up or down,
when related resources fail and can be configured to periodically check
resource health.
Who is Pacemaker?
Pacemaker is distributed by ClusterLabs.
Pacemaker was initially created by main architect and lead developer
Andrew Beekhof andrew@beekhof.net, with the aid of
project catalyst and advocate Lars Marowsky-Brée lmb@suse.de.
Many, many developers have contributed significantly to the project since.
The git log is the definitive record of their greatly appreciated
contributions.
The wider community of Pacemaker users is another essential aspect of the
project's existence, especially the many users who participate in the mailing
lists, blog about HA clustering, and otherwise actively make the project more
useful.
Where do I get Pacemaker?
Pacemaker source code is distributed via
Github.
From there, you can clone or download the repository to get the latest
development code, or download one of the official
releases.
How do I install Pacemaker?
See INSTALL.md.
What higher-level interfaces to Pacemaker are available?
There are multiple user interfaces for Pacemaker, including command-line
tools, graphical user interfaces and web frontends. The crm shell
used to be included in the Pacemaker source tree, but is now
a separate project.
This is not an exhaustive list:
Can I convert some other cluster configuration to Pacemaker?
clufter is a general-purpose tool
for converting one cluster representation format to another. Among other
possibilities, it can convert from a cluster based on rgmanager with CMAN to
a one based on pacemaker with corosync. See its documentation for details.
How can I help?
See CONTRIBUTING.md.
Where can I find more information about Pacemaker?
About
Pacemaker is an advanced, scalable High-Availability cluster resource manager
www.clusterlabs.org
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