{"id":14028,"date":"2020-02-08T16:35:25","date_gmt":"2020-02-08T15:35:25","guid":{"rendered":"https:\/\/www.datanovia.com\/en\/?post_type=dt_lessons&#038;p=14028"},"modified":"2020-02-08T17:10:32","modified_gmt":"2020-02-08T16:10:32","slug":"configuration-initiale-dun-serveur-ubuntu-sur-digitalocean","status":"publish","type":"dt_lessons","link":"https:\/\/www.datanovia.com\/en\/fr\/lessons\/configuration-initiale-dun-serveur-ubuntu-sur-digitalocean\/","title":{"rendered":"Configuration Initiale d&rsquo;un Serveur Ubuntu sur DigitalOcean"},"content":{"rendered":"<div id=\"rdoc\">\n<p>Cet article d\u00e9crit les \u00e9tapes essentielles que vous devez suivre pour <strong>configurer un server Ubuntu sur digital ocean<\/strong>.<\/p>\n<p>Sommaire:<\/p>\n<div id=\"TOC\">\n<ul>\n<li><a href=\"#etape-1-creer-un-utilisateur-non-root-avec-des-droits-sudo\">\u00c9tape 1 : Cr\u00e9er un utilisateur non root avec des droits sudo<\/a><\/li>\n<li><a href=\"#etape-2-mettre-en-place-un-pare-feu-de-base\">\u00c9tape 2 : Mettre en place un pare-feu de base<\/a><\/li>\n<li><a href=\"#etape-3-ajouter-des-cles-ssh-pour-lauthentification-automatique\">\u00c9tape 3 : Ajouter des cl\u00e9s SSH pour l\u2019authentification automatique<\/a><\/li>\n<li><a href=\"#etape-4-ajouter-le-swap\">\u00c9tape 4 : Ajouter le Swap<\/a><\/li>\n<li><a href=\"#lire-plus\">Lire plus<\/a><\/li>\n<\/ul>\n<\/div>\n<div id=\"etape-1-creer-un-utilisateur-non-root-avec-des-droits-sudo\" class=\"section level2\">\n<h2>\u00c9tape 1 : Cr\u00e9er un utilisateur non root avec des droits sudo<\/h2>\n<p>Dans le code suivant, remplacez l\u2019expression \u201cyour_username\u201d par un nom d\u2019utilisateur que vous aimez.<\/p>\n<pre class=\"bash\"><code># Connectez-vous \u00e0 votre droplet comme root\r\nssh root@your_server_ip\r\n# Cr\u00e9er un utilisateur non root avec des privil\u00e8ges sudo\/admin\r\nadduser your_username\r\nsudo usermod -aG sudo your_username\r\n# Passer de root au nouveau nom d&#39;utilisateur\r\n su - your_username<\/code><\/pre>\n<\/div>\n<div id=\"etape-2-mettre-en-place-un-pare-feu-de-base\" class=\"section level2\">\n<h2>\u00c9tape 2 : Mettre en place un pare-feu de base<\/h2>\n<p>Dans le code suivant, \u201cUFW\u201d correspond \u00e0 Uncomplicated FireWall. L\u2019application <code>UFW<\/code> est utilis\u00e9e pour activer\/d\u00e9sactiver les connexions \u00e0 certains services.<\/p>\n<pre class=\"bash\"><code># Activer le pare-feu\r\nsudo ufw enable\r\n# Ajouter le service SSH pour permettre la connexion SSH\r\nsudo ufw allow OpenSSH<\/code><\/pre>\n<p>Autres commandes utiles:<\/p>\n<pre class=\"bash\"><code># Inspecter les services autoris\u00e9s\r\nsudo ufw status\r\nsudo ufw app list\r\n# D\u00e9sactiver l&#39;UFW \r\nsudo ufw disable<\/code><\/pre>\n<\/div>\n<div id=\"etape-3-ajouter-des-cles-ssh-pour-lauthentification-automatique\" class=\"section level2\">\n<h2>\u00c9tape 3 : Ajouter des cl\u00e9s SSH pour l\u2019authentification automatique<\/h2>\n<p>Ajouter des cl\u00e9s SSH pour une authentification automatique sans saisie de mot de passe. Depuis votre machine locale, tapez le code de s\u00e9curit\u00e9 suivant:<\/p>\n<pre class=\"bash\"><code># Cr\u00e9er une cl\u00e9 ssh si vous n&#39;en avez pas\r\nssh-keygen -t RSA -b 4096 -C &quot;personal_machine&quot;\r\n# Copier les cl\u00e9s publiques sur le compte root du droplet\r\nssh-copy-id your_username@your_server_ip\r\n# Testez votre connexion SSH en utilisant vos nouveaux identifiants de connexion\r\nssh your_username@your_server_ip<\/code><\/pre>\n<p>En savoir plus : <a href=\"https:\/\/www.digitalocean.com\/docs\/droplets\/how-to\/add-ssh-keys\/to-existing-droplet\/\">Ajouter des cl\u00e9s SSH \u00e0 un Droplet existant<\/a><\/p>\n<\/div>\n<div id=\"etape-4-ajouter-le-swap\" class=\"section level2\">\n<h2>\u00c9tape 4 : Ajouter le Swap<\/h2>\n<p>Si votre serveur a une petite m\u00e9moire vive, vous devrez configurer un SWAP, par exemple un swap de 4 Go.<\/p>\n<pre class=\"bash\"><code># Ajouter un swap\r\nsudo \/bin\/dd if=\/dev\/zero of=\/var\/swap.1 bs=1M count=4024\r\nsudo \/sbin\/mkswap \/var\/swap.1\r\nsudo \/sbin\/swapon \/var\/swap.1\r\nsudo sh -c &#39;echo &quot;\/var\/swap.1 swap swap defaults 0 0 &quot; &gt;&gt; \/etc\/fstab&#39;<\/code><\/pre>\n<\/div>\n<div id=\"lire-plus\" class=\"section level2\">\n<h2>Lire plus<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.digitalocean.com\/community\/tutorials\/initial-server-setup-with-ubuntu-18-04\">Configuration initiale du serveur avec Ubuntu 18.04<\/a><\/li>\n<li><a href=\"https:\/\/www.digitalocean.com\/community\/tutorials\/how-to-optimize-nginx-configuration\">Comment optimiser la configuration de Nginx<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p><!--end rdoc--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>D\u00e9crit les \u00e9tapes de configuration essentielles que vous devez suivre pour la configuration initiale d&rsquo;un serveur ubuntu de Digital Ocean.<\/p>\n","protected":false},"author":1,"featured_media":14029,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","class_list":["post-14028","dt_lessons","type-dt_lessons","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - 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