{"id":219,"date":"2026-05-02T11:14:03","date_gmt":"2026-05-02T09:14:03","guid":{"rendered":"https:\/\/eryann.fr\/?p=219"},"modified":"2026-05-02T14:09:22","modified_gmt":"2026-05-02T12:09:22","slug":"fiche-configuration-reseau-avec-nmcli-raspberry-pi-networkmanager","status":"publish","type":"post","link":"https:\/\/eryann.fr\/index.php\/reseau\/fiche-configuration-reseau-avec-nmcli-raspberry-pi-networkmanager\/","title":{"rendered":"Fiche configuration r\u00e9seau avec nmcli (raspberry pi \/ networkmanager)"},"content":{"rendered":"\n<p>Pur Raspberry Pi OS, il est possible d\u2019utiliser <strong>NetworkManager<\/strong> \u00e0 la place de <code>dhcpcd<\/code>.<br>L\u2019outil <code>nmcli<\/code> permet de configurer le r\u00e9seau <strong>en ligne de commande<\/strong>, de fa\u00e7on propre et automatisable.<\/p>\n\n\n\n<p> Int\u00e9r\u00eat :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>gestion centralis\u00e9e des connexions<\/li>\n\n\n\n<li>scriptable (tr\u00e8s utile en admin)<\/li>\n\n\n\n<li>utilis\u00e9 en environnement pro<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/66f2d152-ab81-45aa-83c9-c3a2cb76b4e7-683x1024.png\" alt=\"\" class=\"wp-image-220\" srcset=\"https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/66f2d152-ab81-45aa-83c9-c3a2cb76b4e7-683x1024.png 683w, https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/66f2d152-ab81-45aa-83c9-c3a2cb76b4e7-200x300.png 200w, https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/66f2d152-ab81-45aa-83c9-c3a2cb76b4e7-768x1152.png 768w, https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/66f2d152-ab81-45aa-83c9-c3a2cb76b4e7.png 1024w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Pr\u00e9-requis<\/strong><\/h2>\n\n\n\n<p>Installer et activer NetworkManager :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo apt install network-manager<br>sudo systemctl enable NetworkManager<br>sudo systemctl start NetworkManager<\/code><\/pre>\n\n\n\n<p>D\u00e9sactiver dhcpcd pour \u00e9viter les conflits :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo systemctl disable dhcpcd<br>sudo systemctl stop dhcpcd<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Configuration compl\u00e8te <\/strong><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code># ===== DHCP Ethernet =====<br>nmcli con add type ethernet ifname eth0 con-name eth0-dhcp<br>nmcli con mod eth0-dhcp ipv4.method auto<br>nmcli con up eth0-dhcp<br><br># ===== IP fixe Ethernet =====<br>nmcli con add type ethernet ifname eth0 con-name eth0-static<br>nmcli con mod eth0-static ipv4.addresses 192.168.10.50\/24<br>nmcli con mod eth0-static ipv4.gateway 192.168.10.1<br>nmcli con mod eth0-static ipv4.dns \"8.8.8.8 1.1.1.1\"<br>nmcli con mod eth0-static ipv4.method manual<br>nmcli con up eth0-static<br><br># ===== Wi-Fi DHCP =====<br>nmcli dev wifi connect \"MonSSID\" password \"MotDePasseWifi\"<br><br># ===== Wi-Fi IP fixe =====<br>nmcli con add type wifi ifname wlan0 con-name wifi-static ssid \"MonSSID\"<br>nmcli con mod wifi-static wifi-sec.key-mgmt wpa-psk<br>nmcli con mod wifi-static wifi-sec.psk \"MotDePasseWifi\"<br>nmcli con mod wifi-static ipv4.addresses 192.168.20.50\/24<br>nmcli con mod wifi-static ipv4.gateway 192.168.20.1<br>nmcli con mod wifi-static ipv4.dns \"1.1.1.1 8.8.8.8\"<br>nmcli con mod wifi-static ipv4.method manual<br>nmcli con up wifi-static<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Explication d\u00e9taill\u00e9e<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>nmcli<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>outil CLI de NetworkManager<\/li>\n\n\n\n<li>g\u00e8re :\n<ul class=\"wp-block-list\">\n<li>interfaces<\/li>\n\n\n\n<li>connexions<\/li>\n\n\n\n<li>Wi-Fi<\/li>\n\n\n\n<li>IP \/ DNS \/ routes<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Connexion vs interface<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>interface : <code>eth0<\/code>, <code>wlan0<\/code><\/li>\n\n\n\n<li>connexion : profil appliqu\u00e9 \u00e0 une interface<\/li>\n<\/ul>\n\n\n\n<p> exemple :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>eth0-static<\/code><\/li>\n\n\n\n<li><code>wifi-static<\/code><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Modes IP<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>auto<\/code> \u2192 DHCP<\/li>\n\n\n\n<li><code>manual<\/code> \u2192 IP fixe<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Wi-Fi<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>gestion compl\u00e8te via <code>nmcli<\/code><\/li>\n\n\n\n<li>pas besoin de <code>wpa_supplicant<\/code> manuel<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Commandes essentielles<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Lister les interfaces<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>nmcli dev status<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Lister les connexions<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>nmcli con show<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Activer une connexion<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>nmcli con up &lt;nom&gt;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">D\u00e9sactiver une connexion<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>nmcli con down &lt;nom&gt;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Commandes de diagnostic<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Informations IP<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>ip a<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Routes<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>ip route<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Scan Wi-Fi<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>nmcli dev wifi list<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Logs<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>journalctl -u NetworkManager<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Fichiers importants<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>\/etc\/NetworkManager\/NetworkManager.conf<\/code><\/li>\n\n\n\n<li><code>\/etc\/NetworkManager\/system-connections\/<\/code><\/li>\n\n\n\n<li><code>\/etc\/resolv.conf<\/code><\/li>\n\n\n\n<li><code>\/etc\/hostname<\/code><\/li>\n\n\n\n<li><code>\/etc\/hosts<\/code><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Sch\u00e9ma de fonctionnement (clair et imprimable)<\/strong><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>Commandes nmcli<br>        \u2193<br>NetworkManager<br>        \u2193<br>Configuration IP \/ routes \/ DNS<br>        \u2193<br>Interfaces r\u00e9seau (eth0 \/ wlan0)<br>        \u2193<br>Connexion r\u00e9seau \/ Internet<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Erreurs fr\u00e9quentes<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>conflit avec dhcpcd<\/li>\n\n\n\n<li>mauvaise connexion active<\/li>\n\n\n\n<li>SSID incorrect<\/li>\n\n\n\n<li>mauvais DNS<\/li>\n\n\n\n<li>oubli de <code>ipv4.method manual<\/code><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Bonnes pratiques<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>d\u00e9sactiver dhcpcd si nmcli utilis\u00e9<\/li>\n\n\n\n<li>nommer clairement les connexions<\/li>\n\n\n\n<li>v\u00e9rifier avec <code>nmcli con show<\/code><\/li>\n\n\n\n<li>tester apr\u00e8s chaque modification<\/li>\n\n\n\n<li>documenter la config<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Cas concret BTS<\/strong><\/h2>\n\n\n\n<p>Utilisation de nmcli pour :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>d\u00e9ploiement automatis\u00e9<\/li>\n\n\n\n<li>serveur Raspberry<\/li>\n\n\n\n<li>environnement cloud \/ VM<\/li>\n\n\n\n<li>scripts d\u2019installation<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Recap<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>nmcli<\/code> = outil CLI NetworkManager<\/li>\n\n\n\n<li>connexion = profil r\u00e9seau<\/li>\n\n\n\n<li>remplace dhcpcd et wpa_supplicant<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusion<\/strong><\/h2>\n\n\n\n<p><code>nmcli<\/code> permet une gestion :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>professionnelle<\/li>\n\n\n\n<li>scriptable<\/li>\n\n\n\n<li>centralis\u00e9e<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p> Comp\u00e9tence cl\u00e9 pour :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>BTS CIEL<\/li>\n\n\n\n<li>BTS SIO<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Pur Raspberry Pi OS, il est possible d\u2019utiliser NetworkManager \u00e0 la place de dhcpcd.L\u2019outil nmcli permet de configurer le r\u00e9seau en ligne de commande, de fa\u00e7on propre et automatisable. Int\u00e9r\u00eat : Pr\u00e9-requis Installer et activer NetworkManager : D\u00e9sactiver dhcpcd pour \u00e9viter les conflits : Configuration compl\u00e8te Explication d\u00e9taill\u00e9e nmcli Connexion vs interface exemple : Modes [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","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-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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[12,10],"tags":[],"class_list":["post-219","post","type-post","status-publish","format-standard","hentry","category-linux","category-reseau"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fiche configuration r\u00e9seau avec nmcli (raspberry pi \/ networkmanager) - Eryann Breizh SecOps<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/eryann.fr\/index.php\/reseau\/fiche-configuration-reseau-avec-nmcli-raspberry-pi-networkmanager\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fiche configuration r\u00e9seau avec nmcli (raspberry pi \/ networkmanager) - Eryann Breizh SecOps\" \/>\n<meta property=\"og:description\" content=\"Pur Raspberry Pi OS, il est possible d\u2019utiliser NetworkManager \u00e0 la place de dhcpcd.L\u2019outil nmcli permet de configurer le r\u00e9seau en ligne de commande, de fa\u00e7on propre et automatisable. 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