{"id":2989,"date":"2026-03-31T14:49:57","date_gmt":"2026-03-31T12:49:57","guid":{"rendered":"https:\/\/artheodoc.fr\/?page_id=2989"},"modified":"2026-03-31T15:34:15","modified_gmt":"2026-03-31T13:34:15","slug":"modifier-les-mots-de-passe-avec-passwd","status":"publish","type":"page","link":"https:\/\/artheodoc.fr\/index.php\/modifier-les-mots-de-passe-avec-passwd\/","title":{"rendered":"Modifier les mots de passe avec passwd"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">1. Description<\/h2>\n\n\n\n<p>La commande passwd permet de modifier le mot de passe d&rsquo;un utilisateur sur un syst\u00e8me Linux\/Unix. Elle est utilis\u00e9e pour&nbsp;:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Changer son propre mot de passe (si vous \u00eates connect\u00e9).<\/li>\n\n\n\n<li>Changer le mot de passe d&rsquo;un autre utilisateur (si vous avez les droits root).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. Syntaxe de base<\/h2>\n\n\n\n<p>passwd [options] [nom_utilisateur]<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Options courantes<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Option<\/th><th>Description<\/th><\/tr><tr><td><code>passwd<\/code> (sans argument)<\/td><td>Change le mot de passe de l&rsquo;utilisateur actuel.<\/td><\/tr><tr><td><code>passwd utilisateur<\/code><\/td><td>Change le mot de passe de l&rsquo;utilisateur sp\u00e9cifi\u00e9 (r\u00e9serv\u00e9 \u00e0 root).<\/td><\/tr><tr><td><code>-l<\/code><\/td><td>Verrouille le compte en d\u00e9sactivant le mot de passe.<\/td><\/tr><tr><td><code>-u<\/code><\/td><td>D\u00e9verrouille le compte.<\/td><\/tr><tr><td><code>-d<\/code><\/td><td>Supprime le mot de passe (le compte reste accessible sans mot de passe).<\/td><\/tr><tr><td><code>-e<\/code><\/td><td>Force l&rsquo;expiration du mot de passe (l&rsquo;utilisateur devra le changer \u00e0 la prochaine connexion).<\/td><\/tr><tr><td><code>-S<\/code><\/td><td>Affiche le statut du mot de passe (date de derni\u00e8re modification, expiration, etc.).<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4. Exemples d&rsquo;utilisation<\/h2>\n\n\n\n<p>Changer son propre mot de passe&nbsp;:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">passwd<\/pre>\n\n\n\n<p>Le syst\u00e8me demandera l&rsquo;ancien mot de passe, puis le nouveau (2 fois pour confirmation).<\/p>\n\n\n\n<p>Changer le mot de passe d&rsquo;un autre utilisateur (r\u00e9serv\u00e9 \u00e0 root)&nbsp;:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sudo passwd nom_utilisateur<\/pre>\n\n\n\n<p>Seule la saisie du nouveau mot de passe sera demand\u00e9e.<\/p>\n\n\n\n<p>Verrouiller un compte&nbsp;:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sudo passwd -l nom_utilisateur<\/pre>\n\n\n\n<p>D\u00e9verrouiller un compte&nbsp;:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sudo passwd -u nom_utilisateur<\/pre>\n\n\n\n<p>Afficher le statut du mot de passe&nbsp;:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sudo passwd -S nom_utilisateur<\/pre>\n\n\n\n<p>Exemple de sortie&nbsp;:<\/p>\n\n\n\n<p>nom_utilisateur P 03\/31\/2026 0 99999 7 -1<\/p>\n\n\n\n<p>P = mot de passe valide, 03\/31\/2026 = date de derni\u00e8re modification, etc.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. Fichiers associ\u00e9s<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"134\" src=\"https:\/\/artheodoc.fr\/wp-content\/uploads\/2026\/03\/fichiers-associes-passwd-1024x134.png\" alt=\"\" class=\"wp-image-3009\" srcset=\"https:\/\/artheodoc.fr\/wp-content\/uploads\/2026\/03\/fichiers-associes-passwd-1024x134.png 1024w, https:\/\/artheodoc.fr\/wp-content\/uploads\/2026\/03\/fichiers-associes-passwd-300x39.png 300w, https:\/\/artheodoc.fr\/wp-content\/uploads\/2026\/03\/fichiers-associes-passwd-768x100.png 768w, https:\/\/artheodoc.fr\/wp-content\/uploads\/2026\/03\/fichiers-associes-passwd.png 1102w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">6. En cas de mots de passe administrateur perdus<\/h2>\n\n\n\n<p><a href=\"https:\/\/artheodoc.fr\/index.php\/2026\/03\/29\/changer-le-mot-de-passe-de-votre-compte-utilisateur-sous-linux-mint-depuis-le-mode-recovery\/\" data-type=\"post\" data-id=\"2958\" target=\"_blank\" rel=\"noreferrer noopener\">Changer le mot de passe de votre compte utilisateur sous Linux Mint depuis le mode recovery<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/artheodoc.fr\/index.php\/2026\/03\/30\/reinitialiser-un-mot-de-passe-sous-debian-avec-rescatux\/\" data-type=\"post\" data-id=\"2969\" target=\"_blank\" rel=\"noreferrer noopener\">R\u00e9initialiser un mot de passe sous Debian avec Rescatux<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Description La commande passwd permet de modifier le mot de passe d&rsquo;un utilisateur sur un syst\u00e8me Linux\/Unix. Elle est utilis\u00e9e pour&nbsp;: 2. Syntaxe de base passwd [options] [nom_utilisateur] 3. Options courantes Option Description passwd (sans argument) Change le mot de passe de l&rsquo;utilisateur actuel. passwd utilisateur Change le mot de passe de l&rsquo;utilisateur sp\u00e9cifi\u00e9 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-2989","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/artheodoc.fr\/index.php\/wp-json\/wp\/v2\/pages\/2989","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/artheodoc.fr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/artheodoc.fr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/artheodoc.fr\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/artheodoc.fr\/index.php\/wp-json\/wp\/v2\/comments?post=2989"}],"version-history":[{"count":17,"href":"https:\/\/artheodoc.fr\/index.php\/wp-json\/wp\/v2\/pages\/2989\/revisions"}],"predecessor-version":[{"id":3011,"href":"https:\/\/artheodoc.fr\/index.php\/wp-json\/wp\/v2\/pages\/2989\/revisions\/3011"}],"wp:attachment":[{"href":"https:\/\/artheodoc.fr\/index.php\/wp-json\/wp\/v2\/media?parent=2989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}