{"id":311,"date":"2013-11-19T17:08:59","date_gmt":"2013-11-19T15:08:59","guid":{"rendered":"http:\/\/www.makes-it-work.de\/?p=311"},"modified":"2014-09-24T17:02:26","modified_gmt":"2014-09-24T15:02:26","slug":"citrix-xenserver-vm-root-passwort-zuruecksetzen-linux","status":"publish","type":"post","link":"https:\/\/www.makes-it-work.de\/en\/2013\/11\/19\/citrix-xenserver-vm-root-passwort-zuruecksetzen-linux\/","title":{"rendered":"Citrix XenServer \u2013 VM-Root-Passwort zur\u00fccksetzen (Linux)"},"content":{"rendered":"<p>Das Root-Passwort einer Linux-VM kann unter Citrix XenServer ge\u00e4ndert werden ohne aufw\u00e4ndig das Storage der VM an anderer Stelle zu mounten.<!--more--><\/p>\n<h2>Boot-Parameter \u00e4ndern<\/h2>\n<p>Um das Root-Passwort einer Linux VM unter Citrix XenServer zu \u00e4ndern, muss nur in den Eigenschaften der VM (<em>General<\/em> -&gt; <em>Properties<\/em>) unter &#8220;<em>Boot Options<\/em>&#8221; eingestellt werden, dass\u00a0beim Booten direkt eine Shell geladen werden soll. Dazu die &#8220;<em>OS boot parameters<\/em>&#8221; auf folgendes setzen:<\/p>\n<pre lang=\"php\" line=\"1\" escaped=\"true\">-- single rw init=\/bin\/bash<\/pre>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.makes-it-work.de\/wp-content\/uploads\/2013\/11\/boot-options.jpg\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-312\" alt=\"boot-options\" src=\"http:\/\/www.makes-it-work.de\/wp-content\/uploads\/2013\/11\/boot-options.jpg\" width=\"745\" height=\"399\" \/><\/a><\/p>\n<p>Dies l\u00e4dt die Shell &#8220;<em>\/bin\/bash<\/em>&#8221; beim Booten automatisch, was zur Folge hat, dass man beim n\u00e4chsten Bootvorgang eine Shell mit eingeloggtem &#8220;root&#8221; Benutzer bekommt.<\/p>\n<h2>Passwort in Rettungs-Shell \u00e4ndern<\/h2>\n<p>Nun kann man \u2013 wie gewohnt \u2013 mit &#8220;<em>passwd<\/em>&#8221; dessen Passwort \u00e4ndern oder auch andere Anpassungen durchf\u00fchren. Wichtig ist allerdings der Parameter &#8220;rw&#8221;, da sonst das Filesystem readonly gemountet wird und &#8220;<em>passwd<\/em>&#8221; fehlschlagen w\u00fcrde (Mit der sehr kryptischen Meldung &#8220;<em><code>passwd: Authentication token manipulation error<\/code><\/em>&#8220;).<\/p>\n<h2><a href=\"http:\/\/www.makes-it-work.de\/wp-content\/uploads\/2013\/11\/passwd.jpg\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-313\" alt=\"passwd\" src=\"http:\/\/www.makes-it-work.de\/wp-content\/uploads\/2013\/11\/passwd.jpg\" width=\"702\" height=\"372\" \/><\/a><\/h2>\n<h2><\/h2>\n<h2>Bootparameter wiederherstellen<\/h2>\n<p>Danach die Boot-Parameter wieder auf ihren alten Wert setzen (z.B. &#8220;<em>\u2013\u2013 quiet console=hvc0<\/em>&#8220;) und die VM neustarten.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Das Root-Passwort einer Linux-VM kann unter Citrix XenServer ge\u00e4ndert werden ohne aufw\u00e4ndig das Storage der VM an anderer Stelle zu mounten.<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","_ti_tpc_template_sync":false,"_ti_tpc_template_id":"","_links_to":"","_links_to_target":""},"categories":[101,95],"tags":[66,70,46],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"en","enabled_languages":["de","en"],"languages":{"de":{"title":true,"content":true,"excerpt":false},"en":{"title":false,"content":false,"excerpt":false}}},"jetpack_featured_media_url":"","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v14.4.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Citrix XenServer \u2013 VM-Root-Passwort zur\u00fccksetzen (Linux)  - Makes IT work - der Blog von OMG.de<\/title>\n<meta name=\"robots\" content=\"index, follow\" \/>\n<meta name=\"googlebot\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta name=\"bingbot\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.makes-it-work.de\/2013\/11\/19\/citrix-xenserver-vm-root-passwort-zuruecksetzen-linux\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Citrix XenServer \u2013 VM-Root-Passwort zur\u00fccksetzen (Linux)  - Makes IT work - der Blog von OMG.de\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.makes-it-work.de\/2013\/11\/19\/citrix-xenserver-vm-root-passwort-zuruecksetzen-linux\/\" \/>\n<meta property=\"og:site_name\" content=\"Makes IT work - der Blog von OMG.de\" \/>\n<meta property=\"article:published_time\" content=\"2013-11-19T15:08:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2014-09-24T15:02:26+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.makes-it-work.de\/wp-content\/uploads\/2013\/11\/boot-options.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@omgde\" \/>\n<meta name=\"twitter:site\" content=\"@omgde\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.makes-it-work.de\/en\/#organization\",\"name\":\"OMG.de\",\"url\":\"https:\/\/www.makes-it-work.de\/en\/\",\"sameAs\":[\"https:\/\/twitter.com\/omgde\"],\"logo\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.makes-it-work.de\/en\/#logo\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/www.makes-it-work.de\/wp-content\/uploads\/2021\/11\/Logo_OMG_PNG-Kopie.png\",\"width\":358,\"height\":356,\"caption\":\"OMG.de\"},\"image\":{\"@id\":\"https:\/\/www.makes-it-work.de\/en\/#logo\"}},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.makes-it-work.de\/en\/#website\",\"url\":\"https:\/\/www.makes-it-work.de\/en\/\",\"name\":\"Makes IT work - der Blog von OMG.de\",\"description\":\"Themen und News rundum IT und Technik. 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