{"id":5296,"date":"2026-10-06T13:25:49","date_gmt":"2026-10-06T13:25:49","guid":{"rendered":"https:\/\/zynoo.com\/blog\/install-kubernetes-ubuntu-k3s\/"},"modified":"2026-11-01T13:35:53","modified_gmt":"2026-11-01T13:35:53","slug":"install-kubernetes-ubuntu-k3s","status":"publish","type":"post","link":"https:\/\/zynoo.com\/blog\/fr\/install-kubernetes-ubuntu-k3s\/","title":{"rendered":"Comment installer Kubernetes sur Ubuntu avec K3s"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\" id=\"h-\">Vous souhaitez <strong>installer Kubernetes sur Ubuntu<\/strong> sans configurer un cluster complexe \u00e0 partir de z\u00e9ro ? K3s est une distribution Kubernetes l\u00e9g\u00e8re qui simplifie le processus, ce qui en fait un choix pratique pour les d\u00e9veloppeurs qui apprennent \u00e0 utiliser Kubernetes sur un VPS.<\/p>\n\n<p class=\"wp-block-paragraph\">Dans ce guide, vous apprendrez \u00e0 installer Kubernetes sur Ubuntu 24.04 avec K3s, \u00e0 cr\u00e9er un cluster \u00e0 n\u0153ud unique, \u00e0 d\u00e9ployer une application Nginx et \u00e0 v\u00e9rifier que tout fonctionne.<\/p>\n\n<p class=\"wp-block-paragraph\">Vous n\u2019aurez pas besoin d\u2019installer Docker ni de configurer un moteur d\u2019ex\u00e9cution de conteneurs distinct.<\/p>\n\n<h2 id=\"h-what-is-k3s-and-why-use-it\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quest-ce_que_K3s_et_pourquoi_lutiliser\"><\/span>Qu\u2019est-ce que K3s et pourquoi l\u2019utiliser ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">K3s est une distribution Kubernetes l\u00e9g\u00e8re, certifi\u00e9e par la CNCF, con\u00e7ue pour simplifier l\u2019installation et l\u2019exploitation de Kubernetes.<\/p>\n\n<p class=\"wp-block-paragraph\">Elle regroupe les composants essentiels, notamment un moteur d\u2019ex\u00e9cution de conteneurs et les fonctionnalit\u00e9s r\u00e9seau du cluster, dans une installation simplifi\u00e9e.<\/p>\n\n<p class=\"wp-block-paragraph\">Contrairement \u00e0 une installation Kubernetes classique avec kubeadm, K3s prend automatiquement en charge une grande partie de la configuration initiale.<\/p>\n\n<p class=\"wp-block-paragraph\">Une installation K3s sur un seul n\u0153ud constitue un cluster Kubernetes fonctionnel, adapt\u00e9 au d\u00e9veloppement, aux tests et \u00e0 l\u2019apprentissage.<\/p>\n\n<p class=\"wp-block-paragraph\">Si vous ne connaissez pas encore les concepts de Kubernetes tels que les Pods et les Deployments, consultez d\u2019abord notre guide <a href=\"https:\/\/zynoo.com\/blog\/fr\/quest-ce-que-kubernetes\/\">Qu\u2019est-ce que Kubernetes ?<\/a>.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2026\/11\/Install-Kubernetes-on-Ubuntu-Using-K3s-1-1024x576.webp\" alt=\"Installer Kubernetes sur Ubuntu avec K3s\" class=\"wp-image-5287\" srcset=\"https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2026\/11\/Install-Kubernetes-on-Ubuntu-Using-K3s-1-1024x576.webp 1024w, https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2026\/11\/Install-Kubernetes-on-Ubuntu-Using-K3s-1-300x169.webp 300w, https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2026\/11\/Install-Kubernetes-on-Ubuntu-Using-K3s-1-768x432.webp 768w, https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2026\/11\/Install-Kubernetes-on-Ubuntu-Using-K3s-1-1536x864.webp 1536w, https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2026\/11\/Install-Kubernetes-on-Ubuntu-Using-K3s-1.webp 1672w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<h2 id=\"h-prerequisites\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Prerequis\"><\/span>Pr\u00e9requis<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">Avant de commencer, vous aurez besoin des \u00e9l\u00e9ments suivants :<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Un serveur sous Ubuntu 24.04 LTS.<\/li>\n\n\n\n<li>Un acc\u00e8s SSH avec les privil\u00e8ges sudo.<\/li>\n\n\n\n<li>Au moins 2 c\u0153urs CPU et 2 Go de RAM.<\/li>\n\n\n\n<li>De pr\u00e9f\u00e9rence 4 Go de RAM ou plus pour apprendre dans de bonnes conditions.<\/li>\n\n\n\n<li>Un espace de stockage SSD suffisant et un acc\u00e8s \u00e0 Internet pour t\u00e9l\u00e9charger les images de conteneurs.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">K3s indique officiellement que la configuration minimale requise pour un n\u0153ud serveur est de 2 c\u0153urs CPU et 2 Go de RAM. Les charges de travail r\u00e9elles peuvent n\u00e9cessiter davantage de ressources.<\/p>\n\n<div style=\"background:linear-gradient(110deg,#06347d,#0862d8);border-radius:10px;padding:20px 24px;margin:28px 0;color:#fff;font-family:inherit\">\n  <div style=\"display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap\">\n    <div style=\"flex:1 1 230px\">\n      <div style=\"font-size:17px;font-weight:700;line-height:1.4;margin-bottom:5px\">\n        Besoin d\u2019un VPS Ubuntu pour Kubernetes ?\n      <\/div>\n      <div style=\"font-size:13px;line-height:1.6;color:#e1edff\">\n        D\u00e9ployez K3s avec un acc\u00e8s root et des ressources serveur adaptables.\n      <\/div>\n    <\/div>\n    <a href=\"https:\/\/zynoo.com\/ubuntu-vps.html\" style=\"display:inline-block;background:#fff;color:#073b90;padding:11px 17px;border-radius:6px;font-size:13px;font-weight:700;text-decoration:none;white-space:nowrap\">\n      D\u00e9couvrir les VPS Ubuntu \u2192\n    <\/a>\n  <\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\"><strong>Remarque sur la s\u00e9curit\u00e9 :<\/strong> Maintenez l\u2019acc\u00e8s SSH disponible et restreignez l\u2019acc\u00e8s \u00e0 l\u2019API Kubernetes sur le port 6443. Vous n\u2019avez pas besoin d\u2019ouvrir publiquement ce port pour ce tutoriel. Si vous utilisez UFW ou un autre pare-feu, consultez les exigences r\u00e9seau officielles de K3s avant l\u2019installation.<\/p>\n\n<h2 id=\"h-step-1-update-your-ubuntu-server\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Etape_1_mettre_a_jour_votre_serveur_Ubuntu\"><\/span>\u00c9tape 1 : mettre \u00e0 jour votre serveur Ubuntu<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">Connectez-vous \u00e0 votre serveur Ubuntu en SSH et actualisez les informations sur les paquets :<\/p>\n\n<pre class=\"wp-block-code\"><code>sudo apt update\nsudo apt upgrade -y<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">V\u00e9rifiez la version d\u2019Ubuntu :<\/p>\n\n<pre class=\"wp-block-code\"><code>lsb_release -a<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Ubuntu 24.04 LTS devrait s\u2019afficher.<\/p>\n\n<p class=\"wp-block-paragraph\">Red\u00e9marrez le serveur si les mises \u00e0 jour du syst\u00e8me l\u2019exigent, puis reconnectez-vous en SSH.<\/p>\n\n<p class=\"wp-block-paragraph\">K3s installe son propre moteur d\u2019ex\u00e9cution de conteneurs : Docker Engine n\u2019est donc pas n\u00e9cessaire.<\/p>\n\n<h2 id=\"h-step-2-install-kubernetes-on-ubuntu-using-k3s\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Etape_2_installer_Kubernetes_sur_Ubuntu_avec_K3s\"><\/span>\u00c9tape 2 : installer Kubernetes sur Ubuntu avec K3s<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">K3s fournit un script d\u2019installation officiel.<\/p>\n\n<p class=\"wp-block-paragraph\">La commande d\u2019installation standard est la suivante :<\/p>\n\n<pre class=\"wp-block-code\"><code>curl -sfL https:\/\/get.k3s.io | sh -<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Cette commande t\u00e9l\u00e9charge et ex\u00e9cute le programme d\u2019installation de K3s. Consultez les <a href=\"https:\/\/docs.k3s.io\/quick-start\">instructions d\u2019installation officielles<\/a> et examinez le programme d\u2019installation avant de l\u2019ex\u00e9cuter, en particulier sur un serveur de production.<\/p>\n\n<p class=\"wp-block-paragraph\">L\u2019installation configure K3s en tant que service systemd et installe les utilitaires de gestion de Kubernetes.<\/p>\n\n<p class=\"wp-block-paragraph\">Une fois le processus termin\u00e9, v\u00e9rifiez le service :<\/p>\n\n<pre class=\"wp-block-code\"><code>sudo systemctl status k3s<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Recherchez l\u2019indication suivante :<\/p>\n\n<pre class=\"wp-block-code\"><code>Active: active (running)<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Appuyez sur <code>q<\/code> pour quitter l\u2019affichage de l\u2019\u00e9tat.<\/p>\n\n<p class=\"wp-block-paragraph\">Si le service est en cours d\u2019ex\u00e9cution, votre installation de Kubernetes a d\u00e9marr\u00e9 correctement.<\/p>\n\n<h2 id=\"h-step-3-verify-your-kubernetes-cluster\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Etape_3_verifier_votre_cluster_Kubernetes\"><\/span>\u00c9tape 3 : v\u00e9rifier votre cluster Kubernetes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">K3s inclut son propre outil en ligne de commande <code>kubectl<\/code> pour g\u00e9rer les ressources Kubernetes.<\/p>\n\n<p class=\"wp-block-paragraph\">Ex\u00e9cutez la commande suivante :<\/p>\n\n<pre class=\"wp-block-code\"><code>sudo k3s kubectl get nodes<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Une fois le cluster initialis\u00e9, vous verrez une sortie semblable \u00e0 celle-ci :<\/p>\n\n<pre class=\"wp-block-code\"><code>NAME        STATUS   ROLES                  AGE   VERSION\nubuntu-vps  Ready    control-plane,master   2m    v1.xx.x+k3s1<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Votre nom d\u2019h\u00f4te et votre version de Kubernetes seront diff\u00e9rents.<\/p>\n\n<p class=\"wp-block-paragraph\">La valeur importante est <strong>Ready<\/strong> : elle indique que Kubernetes consid\u00e8re le n\u0153ud comme disponible pour les charges de travail.<\/p>\n\n<p class=\"wp-block-paragraph\">V\u00e9rifiez ensuite les Pods syst\u00e8me :<\/p>\n\n<pre class=\"wp-block-code\"><code>sudo k3s kubectl get pods -A<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Cette commande r\u00e9pertorie les Pods de tous les espaces de noms, y compris ceux des services syst\u00e8me de Kubernetes.<\/p>\n\n<p class=\"wp-block-paragraph\">L\u2019initialisation de certains composants peut prendre un peu de temps. V\u00e9rifiez \u00e0 nouveau s\u2019ils sont toujours en cours de d\u00e9marrage.<\/p>\n\n<p class=\"wp-block-paragraph\">Maintenant que vous avez install\u00e9 Kubernetes sur Ubuntu avec K3s, votre cluster est pr\u00eat \u00e0 ex\u00e9cuter des applications conteneuris\u00e9es. D\u00e9ployons Nginx pour confirmer que tout fonctionne.<\/p>\n\n<h2 id=\"h-step-4-deploy-your-first-application\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Etape_4_deployer_votre_premiere_application\"><\/span>\u00c9tape 4 : d\u00e9ployer votre premi\u00e8re application<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">Maintenant que le cluster fonctionne, d\u00e9ployons un simple serveur web Nginx.<\/p>\n\n<p class=\"wp-block-paragraph\">Cr\u00e9ez un Deployment :<\/p>\n\n<pre class=\"wp-block-code\"><code>sudo k3s kubectl create deployment demo-nginx --image=nginx:stable<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Kubernetes cr\u00e9e un Deployment qui g\u00e8re un conteneur Nginx.<\/p>\n\n<p class=\"wp-block-paragraph\">V\u00e9rifiez sa progression :<\/p>\n\n<pre class=\"wp-block-code\"><code>sudo k3s kubectl get deployments<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Attendez que le Deployment affiche une r\u00e9plique disponible.<\/p>\n\n<p class=\"wp-block-paragraph\">Vous pouvez \u00e9galement examiner son Pod :<\/p>\n\n<pre class=\"wp-block-code\"><code>sudo k3s kubectl get pods<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Le Pod devrait finir par afficher l\u2019\u00e9tat <code>Running<\/code>, avec son conteneur pr\u00eat.<\/p>\n\n<p class=\"wp-block-paragraph\">Si vous voyez <code>ContainerCreating<\/code>, il se peut que l\u2019image du conteneur soit encore en cours de t\u00e9l\u00e9chargement.<\/p>\n\n<h2 id=\"h-step-5-create-a-kubernetes-service\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Etape_5_creer_un_Service_Kubernetes\"><\/span>\u00c9tape 5 : cr\u00e9er un Service Kubernetes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">Un Service Kubernetes fournit un point d\u2019acc\u00e8s r\u00e9seau stable \u00e0 une application, m\u00eame si ses Pods sont remplac\u00e9s.<\/p>\n\n<p class=\"wp-block-paragraph\">Rendez le Deployment Nginx accessible au sein du cluster :<\/p>\n\n<pre class=\"wp-block-code\"><code>sudo k3s kubectl expose deployment demo-nginx --type=ClusterIP --port=80<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">V\u00e9rifiez le Service :<\/p>\n\n<pre class=\"wp-block-code\"><code>sudo k3s kubectl get services<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Vous devriez voir un Service nomm\u00e9 <code>demo-nginx<\/code>, avec une adresse ClusterIP et le port 80.<\/p>\n\n<p class=\"wp-block-paragraph\">Le type <code>ClusterIP<\/code> rend l\u2019application accessible au sein du cluster Kubernetes. Il n\u2019expose pas directement Nginx \u00e0 l\u2019Internet public.<\/p>\n\n<h2 id=\"h-step-6-test-your-nginx-application\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Etape_6_tester_votre_application_Nginx\"><\/span>\u00c9tape 6 : tester votre application Nginx<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">Nous allons utiliser la redirection de port de Kubernetes pour tester l\u2019application sans configurer d\u2019\u00e9quilibreur de charge public.<\/p>\n\n<p class=\"wp-block-paragraph\">Ex\u00e9cutez la commande suivante :<\/p>\n\n<pre class=\"wp-block-code\"><code>sudo k3s kubectl port-forward service\/demo-nginx 8080:80<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Laissez cette session SSH ouverte.<\/p>\n\n<p class=\"wp-block-paragraph\">La commande redirige le port 8080 de l\u2019interface de bouclage du serveur vers le port 80 du Service Nginx.<\/p>\n\n<p class=\"wp-block-paragraph\">Ouvrez une deuxi\u00e8me connexion SSH au m\u00eame serveur et ex\u00e9cutez :<\/p>\n\n<pre class=\"wp-block-code\"><code>curl http:\/\/127.0.0.1:8080<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Vous devriez recevoir du HTML contenant la page d\u2019accueil par d\u00e9faut de Nginx.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Bravo !<\/strong> Vous avez install\u00e9 Kubernetes sur Ubuntu avec K3s, d\u00e9ploy\u00e9 une application conteneuris\u00e9e et acc\u00e9d\u00e9 \u00e0 celle-ci au moyen d\u2019un Service Kubernetes.<\/p>\n\n<p class=\"wp-block-paragraph\">Appuyez sur <code>Ctrl+C<\/code> dans la premi\u00e8re session pour arr\u00eater la redirection de port.<\/p>\n\n<p class=\"wp-block-paragraph\">Ce test v\u00e9rifie uniquement l\u2019acc\u00e8s local. La publication d\u2019une application sur Internet n\u00e9cessite une configuration suppl\u00e9mentaire du r\u00e9seau, du DNS, de TLS et de la s\u00e9curit\u00e9.<\/p>\n\n<h2 id=\"h-common-k3s-installation-problems\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Problemes_courants_lors_de_linstallation_de_K3s\"><\/span>Probl\u00e8mes courants lors de l\u2019installation de K3s<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<h3 id=\"h-k3s-service-won-t-start\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Le_service_K3s_ne_demarre_pas\"><\/span>Le service K3s ne d\u00e9marre pas<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">Consultez les journaux du service :<\/p>\n\n<pre class=\"wp-block-code\"><code>sudo journalctl -u k3s -n 50<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Recherchez d\u2019\u00e9ventuels probl\u00e8mes d\u2019autorisations ou de r\u00e9seau, ou des composants d\u00e9faillants.<\/p>\n\n<h3 id=\"h-kubernetes-node-shows-notready\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Le_noeud_Kubernetes_affiche_NotReady\"><\/span>Le n\u0153ud Kubernetes affiche NotReady<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">V\u00e9rifiez les d\u00e9tails du n\u0153ud :<\/p>\n\n<pre class=\"wp-block-code\"><code>sudo k3s kubectl describe node<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Examinez les conditions signal\u00e9es, l\u2019utilisation des ressources syst\u00e8me et le r\u00e9seau.<\/p>\n\n<h3 id=\"h-nginx-pod-isn-t-running\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Le_Pod_Nginx_ne_fonctionne_pas\"><\/span>Le Pod Nginx ne fonctionne pas<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">Examinez le Pod :<\/p>\n\n<pre class=\"wp-block-code\"><code>sudo k3s kubectl get pods<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Consultez ensuite les \u00e9v\u00e9nements du Deployment :<\/p>\n\n<pre class=\"wp-block-code\"><code>sudo k3s kubectl describe deployment demo-nginx<\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Des \u00e9checs de t\u00e9l\u00e9chargement d\u2019images, des ressources insuffisantes ou des probl\u00e8mes de r\u00e9seau du cluster peuvent emp\u00eacher les Pods de d\u00e9marrer.<\/p>\n\n<h3 id=\"h-port-forwarding-doesn-t-work\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"La_redirection_de_port_ne_fonctionne_pas\"><\/span>La redirection de port ne fonctionne pas<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">Assurez-vous que le Pod Nginx est pr\u00eat et que le Service existe.<\/p>\n\n<p class=\"wp-block-paragraph\">N\u2019oubliez pas que la commande de redirection de port doit rester en cours d\u2019ex\u00e9cution pendant que vous testez l\u2019application depuis la deuxi\u00e8me session SSH.<\/p>\n\n<h2 id=\"h-do-you-need-docker-to-run-k3s\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Faut-il_Docker_pour_executer_K3s\"><\/span>Faut-il Docker pour ex\u00e9cuter K3s ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">Non. K3s inclut containerd, un moteur d\u2019ex\u00e9cution de conteneurs utilis\u00e9 pour ex\u00e9cuter les charges de travail Kubernetes.<\/p>\n\n<p class=\"wp-block-paragraph\">Vous pouvez d\u00e9ployer des images de conteneurs compatibles, notamment des images cr\u00e9\u00e9es avec Docker, sans installer Docker Engine sur le serveur K3s.<\/p>\n\n<div class=\"wp-block-group zynoo-related-reading has-border-color has-text-color has-background is-layout-flow wp-block-group-is-layout-flow\" style=\"border-color:#c7d8ef;border-width:1px;border-radius:8px;border-left-color:#0069ff;border-left-width:3px;color:#24364f;background-color:#eaf2ff;margin-top:28px;margin-bottom:28px;padding-top:18px;padding-right:22px;padding-bottom:18px;padding-left:22px;font-size:16px;line-height:1.8\">\n<p class=\"wp-block-paragraph\">Si vous d\u00e9couvrez la <strong>conteneurisation<\/strong>, notre <a href=\"https:\/\/zynoo.com\/blog\/fr\/what-is-docker\/\">guide Docker pour d\u00e9butants<\/a> explique le fonctionnement des conteneurs et des images.<\/p>\n<\/div>\n\n<h2 id=\"h-what-should-you-do-next\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Que_faire_ensuite\"><\/span>Que faire ensuite ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">Votre cluster \u00e0 n\u0153ud unique convient pour explorer les concepts de Kubernetes, mais il ne constitue pas automatiquement un environnement pr\u00eat pour la production et \u00e0 haute disponibilit\u00e9.<\/p>\n\n<p class=\"wp-block-paragraph\">Avant de d\u00e9ployer des applications essentielles \u00e0 votre activit\u00e9, pr\u00e9voyez :<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Le contr\u00f4le d\u2019acc\u00e8s au cluster et les mises \u00e0 jour de s\u00e9curit\u00e9.<\/li>\n\n\n\n<li>Le stockage persistant et les proc\u00e9dures de sauvegarde.<\/li>\n\n\n\n<li>La surveillance et les limites de ressources.<\/li>\n\n\n\n<li>L\u2019exposition s\u00e9curis\u00e9e des applications avec HTTPS.<\/li>\n\n\n\n<li>La reprise apr\u00e8s une d\u00e9faillance du n\u0153ud ou du serveur.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Gardez \u00e0 l\u2019esprit qu\u2019un cluster \u00e0 n\u0153ud unique d\u00e9pend toujours d\u2019une seule machine physique ou virtuelle. Kubernetes ne peut pas \u00e9liminer ce point de d\u00e9faillance unique.<\/p>\n\n<h2 id=\"h-frequently-asked-questions\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Questions_frequentes\"><\/span>Questions fr\u00e9quentes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1793539835003\"><strong class=\"schema-faq-question\">K3s est-il identique \u00e0 Kubernetes ?<\/strong> <p class=\"schema-faq-answer\">K3s est une distribution Kubernetes certifi\u00e9e. Elle met en \u0153uvre les fonctionnalit\u00e9s de Kubernetes tout en simplifiant l\u2019installation et en r\u00e9duisant la charge d\u2019exploitation.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1793539853452\"><strong class=\"schema-faq-question\">Puis-je installer Kubernetes sur un VPS ?<\/strong> <p class=\"schema-faq-answer\">Oui. Vous pouvez ex\u00e9cuter K3s sur un VPS Linux disposant de ressources CPU, de RAM et de stockage suffisantes, ainsi que d\u2019un acc\u00e8s administrateur.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1793539866316\"><strong class=\"schema-faq-question\">K3s convient-il \u00e0 la production ?<\/strong> <p class=\"schema-faq-answer\">K3s peut \u00eatre utilis\u00e9 en production, mais sa fiabilit\u00e9 d\u00e9pend de l\u2019architecture du cluster, de sa capacit\u00e9, du r\u00e9seau, de la s\u00e9curit\u00e9 et de la configuration des sauvegardes.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1793539877990\"><strong class=\"schema-faq-question\">Puis-je d\u00e9sinstaller K3s ult\u00e9rieurement ?<\/strong> <p class=\"schema-faq-answer\">Oui. K3s fournit un script de d\u00e9sinstallation, mais son ex\u00e9cution peut supprimer les ressources du cluster et les donn\u00e9es locales des charges de travail. Sauvegardez toutes les donn\u00e9es importantes avant de d\u00e9sinstaller K3s.<\/p> <\/div> <\/div>\n\n<h2 id=\"h-conclusion\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">Vous savez maintenant comment <strong>installer Kubernetes sur Ubuntu<\/strong> avec K3s, v\u00e9rifier votre cluster \u00e0 n\u0153ud unique et d\u00e9ployer une application Nginx.<\/p>\n\n<p class=\"wp-block-paragraph\">Avec K3s, vous avez cr\u00e9\u00e9 un environnement Kubernetes fonctionnel sur un seul n\u0153ud, d\u00e9ploy\u00e9 Nginx, rendu l\u2019application accessible au moyen d\u2019un Service et v\u00e9rifi\u00e9 son fonctionnement gr\u00e2ce \u00e0 la redirection de port.<\/p>\n\n<p class=\"wp-block-paragraph\">Vous pouvez maintenant explorer les Deployments, la mise \u00e0 l\u2019\u00e9chelle, la configuration et la gestion du cluster \u00e0 mesure que vous gagnez en exp\u00e9rience.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vous souhaitez installer Kubernetes sur Ubuntu sans configurer un cluster complexe \u00e0 partir de z\u00e9ro ? K3s est une distribution Kubernetes l\u00e9g\u00e8re qui simplifie le processus, ce qui en fait un choix pratique pour les d\u00e9veloppeurs qui apprennent \u00e0 utiliser Kubernetes sur un VPS. Dans ce guide, vous apprendrez \u00e0 installer Kubernetes sur Ubuntu 24.04 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5297,"comment_status":"closed","ping_status":"closed","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":"","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":""},"categories":[501],"tags":[267],"class_list":["post-5296","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutoriels-linux","tag-comment"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Comment installer Kubernetes sur Ubuntu avec K3s<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment installer Kubernetes sur Ubuntu 24.04 avec K3s. 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