{"id":389,"date":"2026-09-16T09:04:19","date_gmt":"2026-09-16T09:04:19","guid":{"rendered":"https:\/\/devmath.fr\/blog\/wake-up-lan-linux\/"},"modified":"2026-09-16T09:04:19","modified_gmt":"2026-09-16T09:04:19","slug":"wake-up-lan-linux","status":"publish","type":"post","link":"https:\/\/devmath.fr\/blog\/wake-up-lan-linux\/","title":{"rendered":"Wake up LAN Linux : comment activer le r\u00e9veil r\u00e9seau sur votre syst\u00e8me"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Dans un univers o\u00f9 la gestion efficace des syst\u00e8mes informatiques est un atout majeur, la fonction Wake on LAN (WOL) joue un r\u00f4le cl\u00e9. Cette technologie permet de r\u00e9veiller \u00e0 distance un ordinateur en sommeil ou \u00e9teint, via le r\u00e9seau local, offrant une solution flexible tant pour les professionnels que pour les particuliers. Sur Linux, et plus pr\u00e9cis\u00e9ment les distributions comme Ubuntu, l&rsquo;activation du r\u00e9veil r\u00e9seau demande une configuration pr\u00e9cise, m\u00ealant r\u00e9glages au niveau du BIOS et commandes syst\u00e8me. La ma\u00eetrise de cette technique facilite le t\u00e9l\u00e9travail, la gestion des serveurs et l\u2019automatisation des routines informatiques. En explorant les diff\u00e9rentes \u00e9tapes d\u2019activation, de la v\u00e9rification de la carte r\u00e9seau au param\u00e9trage avanc\u00e9 avec systemd, ce contenu propose une m\u00e9thode claire pour activer le r\u00e9veil r\u00e9seau sur un syst\u00e8me Linux.<\/p>\n\n<p class=\"wp-block-paragraph\"><div class=\"en-bref\">\n<h3 style=\"margin-top:0px !important; padding-top:0px !important;\"> L&rsquo;article en bref<\/h3>\n<p>L\u2019activation du Wake on LAN sur Linux simplifie l\u2019acc\u00e8s \u00e0 distance et optimise la gestion du syst\u00e8me. Cette fonctionnalit\u00e9, accessible via commandes pr\u00e9cises, s\u2019applique aussi bien \u00e0 un usage domestique qu&rsquo;\u00e0 des environnements serveurs.<\/p>\n<ul>\n<li> <strong>Pr\u00e9paration r\u00e9seau essentielle :<\/strong> V\u00e9rifier la compatibilit\u00e9 de la carte Ethernet avec le WOL<\/li>\n<li> <strong>Commandes cl\u00e9 pour activer WOL :<\/strong> Utilisation d\u2019\u2018ethtool\u2019 pour configurer le r\u00e9veil r\u00e9seau<\/li>\n<li> <strong>Automatisation pratique :<\/strong> Int\u00e9gration des r\u00e9glages dans systemd pour un service permanent<\/li>\n<li> <strong>Wake-on-LAN sans fil :<\/strong> Activation possible via le gestionnaire de r\u00e9seau Snap \u00ab network-manager \u00bb<\/li>\n<\/ul>\n<p> Maitriser cette configuration offre une meilleure autonomie et r\u00e9activit\u00e9 face aux besoins du r\u00e9seau.<\/p>\n<\/div><\/p>\n\n<h2 class=\"wp-block-heading\">Comprendre le fonctionnement du Wake on LAN sur Linux<\/h2>\n\n<p class=\"wp-block-paragraph\">Le Wake on LAN est une technologie qui permet d\u2019allumer un ordinateur \u00e0 distance par l\u2019envoi d\u2019un paquet nomm\u00e9 \u00ab magique \u00bb. Ce paquet est reconnu par la carte r\u00e9seau, qui en r\u00e9ponse sollicite le syst\u00e8me pour sortir de veille ou d\u2019une mise hors tension. Sur Linux, cette fonctionnalit\u00e9 repose principalement sur la compatibilit\u00e9 de la carte Ethernet et sur la bonne configuration du syst\u00e8me via des outils en ligne de commande. Le r\u00e9veil r\u00e9seau simplifie la gestion des serveurs et postes clients sans n\u00e9cessiter une pr\u00e9sence physique, un avantage notable pour les administrateurs ou utilisateurs distants.<\/p>\n\n<h3 class=\"wp-block-heading\">V\u00e9rification de la carte r\u00e9seau pour le Wake on LAN<\/h3>\n\n<p class=\"wp-block-paragraph\">Avant toute configuration, il est indispensable de savoir si votre carte r\u00e9seau supporte le r\u00e9veil r\u00e9seau. Cela se v\u00e9rifie avec la commande <strong>ip a<\/strong> qui donne le nom de l\u2019interface r\u00e9seau, souvent sous une forme comme \u00ab enp8s0 \u00bb. Ensuite, l\u2019outil <strong>ethtool<\/strong> permet de confirmer la pr\u00e9sence de la fonctionnalit\u00e9. Il faut rep\u00e9rer dans la sortie de la commande <strong>Supports Wake-on: g<\/strong>, \u00ab g \u00bb indiquant que le r\u00e9veil via un paquet magique est possible.<\/p>\n\n<figure class=\"is-provider-youtube is-type-video wp-block-embed wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\ud83c\udf7f Relax dans le fauteuil \u2615 \u25b6 Ampare Wake On Lan \ud83d\ude2f\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/zqQBGC0rlkE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n<h2 class=\"wp-block-heading\">Activer correctement Wake on LAN sur votre syst\u00e8me Linux<\/h2>\n\n<p class=\"wp-block-paragraph\">Avec la confirmation que votre mat\u00e9riel est compatible, l\u2019\u00e9tape suivante est d\u2019activer la fonction Wake on LAN. Cette op\u00e9ration se fait via une commande simple :<\/p>\n\n<pre class=\"wp-block-code\"><pre><code>sudo ethtool --change enp8s0 wol g<\/code><\/pre><\/pre>\n\n<p class=\"wp-block-paragraph\">Cette commande active la r\u00e9ception des paquets \u00ab magiques \u00bb qui d\u00e9clencheront le r\u00e9veil. Pour d\u00e9sactiver, on remplace simplement le \u00ab g \u00bb par un \u00ab d \u00bb. Mais ce r\u00e9glage n&rsquo;est pas persistant apr\u00e8s red\u00e9marrage, il est donc judicieux de le rendre permanent.<\/p>\n\n<h3 class=\"wp-block-heading\">Automatiser la configuration Wake on LAN au d\u00e9marrage du syst\u00e8me<\/h3>\n\n<p class=\"wp-block-paragraph\">L\u2019automatisation se fait par la cr\u00e9ation d\u2019un service <strong>systemd<\/strong>. Ce dernier va ex\u00e9cuter la commande d\u2019activation \u00e0 chaque d\u00e9marrage du syst\u00e8me, garantissant que le Wake on LAN reste actif. Un fichier de service est cr\u00e9\u00e9 dans <strong>\/etc\/systemd\/system\/wol.service<\/strong> avec ce contenu :<\/p>\n\n<pre class=\"wp-block-code\"><pre><code>[Unit]\nDescription=Enable Wake On Lan\n\n[Service]\nType=oneshot\nExecStart=\/usr\/sbin\/ethtool --change enp8s0 wol g\n\n[Install]\nWantedBy=basic.target\n<\/code><\/pre><\/pre>\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s avoir cr\u00e9\u00e9 ce fichier, il faut recharger systemd et activer le service avec ces commandes :<\/p>\n\n<pre class=\"wp-block-code\"><pre><code>sudo systemctl daemon-reload\nsudo systemctl enable wol.service<\/code><\/pre><\/pre>\n\n<p class=\"wp-block-paragraph\">Un red\u00e9marrage permet de v\u00e9rifier la bonne prise en compte via <strong>systemctl status wol<\/strong>. Cette m\u00e9thode assure que votre Linux est pr\u00eat \u00e0 \u00eatre r\u00e9veill\u00e9 en r\u00e9seau \u00e0 tout moment, simplifiant la gestion m\u00eame apr\u00e8s des interruptions d\u2019alimentation.<\/p>\n\n<figure class=\"is-provider-youtube is-type-video wp-block-embed wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"How to use\/enable WOL (Wake-on-lan) for Ubuntu\" width=\"500\" height=\"375\" src=\"https:\/\/www.youtube.com\/embed\/K8lZYRJljYc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n<h2 class=\"wp-block-heading\">Mettre en pratique : r\u00e9veil r\u00e9seau sans fil et pr\u00e9cautions<\/h2>\n\n<p class=\"wp-block-paragraph\">Le Wake-on-LAN est parfois requis sans connexion filaire, via Wi-Fi, c&rsquo;est ce que l&rsquo;on appelle le Wake on Wireless LAN (WoWLAN). Sur Linux, cette fonctionnalit\u00e9 est moins r\u00e9pandue, mais peut \u00eatre activ\u00e9e avec des outils sp\u00e9cifiques comme le gestionnaire de r\u00e9seau Snap, <strong>network-manager<\/strong>.<\/p>\n\n<p class=\"wp-block-paragraph\">Pour l\u2019installer, utilisez :<\/p>\n\n<pre class=\"wp-block-code\"><pre><code>sudo snap install network-manager<\/code><\/pre><\/pre>\n\n<p class=\"wp-block-paragraph\">Et activez le r\u00e9veil sans fil par la commande :<\/p>\n\n<pre class=\"wp-block-code\"><pre><code>sudo snap set network-manager wifi.wake-on-wlan=magic<\/code><\/pre><\/pre>\n\n<p class=\"wp-block-paragraph\">Un mot de passe peut \u00eatre ajout\u00e9 pour renforcer la s\u00e9curit\u00e9 du r\u00e9veil via :<\/p>\n\n<pre class=\"wp-block-code\"><pre><code>sudo snap set network-manager wifi.wake-on-wlan-password=votre_mot_de_passe<\/code><\/pre><\/pre>\n\n<p class=\"wp-block-paragraph\">Cette m\u00e9thode avance vers une plus grande flexibilit\u00e9, mais reste surtout recommand\u00e9e aux administrateurs \u00e0 l\u2019aise avec la configuration avanc\u00e9e du syst\u00e8me Linux. <\/p>\n\n<h3 class=\"wp-block-heading\">Liste des commandes essentielles pour activer Wake on LAN sur Linux<\/h3>\n\n<ul class=\"wp-block-list\"><li><strong>ip a<\/strong> : Identifier le nom de l\u2019interface r\u00e9seau<\/li><li><strong>sudo apt install ethtool<\/strong> : Installer l\u2019outil pour param\u00e9trer la carte r\u00e9seau<\/li><li><strong>sudo ethtool &lt;interface&gt;<\/strong> : V\u00e9rifier la prise en charge de Wake on LAN<\/li><li><strong>sudo ethtool &#8211;change &lt;interface&gt; wol g<\/strong> : Activer la fonctionnalit\u00e9 Wake on LAN<\/li><li><strong>sudo systemctl daemon-reload<\/strong> : Recharger systemd apr\u00e8s la cr\u00e9ation du service<\/li><li><strong>sudo systemctl enable wol.service<\/strong> : Activer le service WOL au d\u00e9marrage<\/li><\/ul>\n\n<h2 class=\"wp-block-heading\">Tableau de comparaison des \u00e9tapes cl\u00e9s du param\u00e9trage Wake on LAN<\/h2>\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u00c9tape<\/th>\n<th>Commande \/ Action<\/th>\n<th>Objectif<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Identification de l\u2019interface<\/td>\n<td><code>ip a<\/code><\/td>\n<td>Rep\u00e9rer le nom unique de la carte r\u00e9seau<\/td>\n<\/tr>\n<tr>\n<td>Installation d\u2019ethtool<\/td>\n<td><code>sudo apt install ethtool<\/code><\/td>\n<td>Permet la gestion des param\u00e8tres r\u00e9seau<\/td>\n<\/tr>\n<tr>\n<td>V\u00e9rification WOL<\/td>\n<td><code>sudo ethtool &lt;interface&gt;<\/code><\/td>\n<td>Confirmer la prise en charge Wake On LAN<\/td>\n<\/tr>\n<tr>\n<td>Activation temporaire<\/td>\n<td><code>sudo ethtool --change &lt;interface&gt; wol g<\/code><\/td>\n<td>Activer la r\u00e9ception du paquet magique<\/td>\n<\/tr>\n<tr>\n<td>Automatisation du service<\/td>\n<td>Cr\u00e9ation d\u2019un service systemd<\/td>\n<td>Activation permanente au d\u00e9marrage<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n<p class=\"wp-block-paragraph\">La capacit\u00e9 \u00e0 configurer un syst\u00e8me Linux pour un r\u00e9veil r\u00e9seau s\u00e9curis\u00e9 est un v\u00e9ritable pas vers une gestion informatique plus autonome et r\u00e9active. Sans oublier l\u2019importance de s\u00e9curiser son r\u00e9seau domestique ou professionnel contre les acc\u00e8s non autoris\u00e9s et les risques li\u00e9s \u00e0 WOL.<\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/devmath.fr\/blog\/livres-gestion-temps\/\">Optimiser son temps avec des m\u00e9thodes efficaces<\/a> reste un excellent compl\u00e9ment pour ceux qui souhaitent am\u00e9liorer leur organisation num\u00e9rique.<\/p>\n\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Peut-on utiliser Wake on LAN pour allumer un PC hors tension ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Wake on LAN permet de sortir un PC de veille ou d'hibernation, mais pas pour un ordinateur u00e9teint de maniu00e8re complu00e8te, sauf si la carte mu00e8re et le BIOS supportent cette fonction spu00e9cifique.\"}},{\"@type\":\"Question\",\"name\":\"Wake on LAN pru00e9sente-t-il un risque de su00e9curitu00e9 ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Le principal risque est que tout appareil sur le mu00eame ru00e9seau local peut ru00e9veiller lu2019ordinateur. Il est conseillu00e9 de su00e9curiser son ru00e9seau et du2019utiliser des mots de passe forts pour u00e9viter tout accu00e8s non autorisu00e9.\"}},{\"@type\":\"Question\",\"name\":\"Pourquoi le Wake on LAN ne fonctionne-t-il pas apru00e8s une coupure de courant ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Apru00e8s une coupure, la configuration activu00e9e par u2018ethtoolu2019 peut u00eatre perdue. Utiliser un service systemd garantit la persistance des ru00e9glages au redu00e9marrage.\"}},{\"@type\":\"Question\",\"name\":\"Comment vu00e9rifier que Wake on LAN est bien activu00e9 ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"La commande <code>systemctl status wol<\/code> peut confirmer que le service est actif, tandis que u2018ethtool <interface>u2019 montre les paramu00e8tres actuels de Wake on LAN.\"}}]}\n<\/script>\n<h3>Peut-on utiliser Wake on LAN pour allumer un PC hors tension ?<\/h3>\n<p>Wake on LAN permet de sortir un PC de veille ou d&rsquo;hibernation, mais pas pour un ordinateur \u00e9teint de mani\u00e8re compl\u00e8te, sauf si la carte m\u00e8re et le BIOS supportent cette fonction sp\u00e9cifique.<\/p>\n<h3>Wake on LAN pr\u00e9sente-t-il un risque de s\u00e9curit\u00e9 ?<\/h3>\n<p>Le principal risque est que tout appareil sur le m\u00eame r\u00e9seau local peut r\u00e9veiller l\u2019ordinateur. Il est conseill\u00e9 de s\u00e9curiser son r\u00e9seau et d\u2019utiliser des mots de passe forts pour \u00e9viter tout acc\u00e8s non autoris\u00e9.<\/p>\n<h3>Pourquoi le Wake on LAN ne fonctionne-t-il pas apr\u00e8s une coupure de courant ?<\/h3>\n<p>Apr\u00e8s une coupure, la configuration activ\u00e9e par \u2018ethtool\u2019 peut \u00eatre perdue. Utiliser un service systemd garantit la persistance des r\u00e9glages au red\u00e9marrage.<\/p>\n<h3>Comment v\u00e9rifier que Wake on LAN est bien activ\u00e9 ?<\/h3>\n<p>La commande <code>systemctl status wol<\/code> peut confirmer que le service est actif, tandis que \u2018ethtool <interface>\u2019 montre les param\u00e8tres actuels de Wake on LAN.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>Dans un univers o\u00f9 la gestion efficace des syst\u00e8mes informatiques est un atout majeur, la fonction Wake on LAN (WOL) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":388,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","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-5)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[4],"tags":[],"class_list":["post-389","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech-numerique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Wake on LAN Linux : Activez le r\u00e9veil r\u00e9seau facilement<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment activer le Wake up LAN sous Linux pour r\u00e9veiller votre syst\u00e8me \u00e0 distance facilement et s\u00e9curiser votre r\u00e9seau efficacement.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/devmath.fr\/blog\/wake-up-lan-linux\/\" 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