{"id":5932,"date":"2025-12-18T15:59:19","date_gmt":"2025-12-18T14:59:19","guid":{"rendered":"https:\/\/workboot.fr\/ciela\/?page_id=5932"},"modified":"2026-04-02T15:28:35","modified_gmt":"2026-04-02T14:28:35","slug":"tp0_vb_reseau","status":"publish","type":"page","link":"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/","title":{"rendered":"TP0_VB_R\u00e9seau 2 machines"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">On dispose de 2 machines , connect\u00e9 sur un m\u00eame switch ou hub , ou plus simple reli\u00e9 par un c\u00e2ble Ethernet directement. On va les placer dans un m\u00eame r\u00e9seau<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">en ipv4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">r\u00e9seau : 192.168.0.0  netmak : 255.255.0.0    en notation CCIDR  \/16<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>deb1: 192.168.0.1 \/16   <\/li>\n\n\n\n<li>deb2: 192.168.0.2 \/16   <\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">en Ipv6 :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>deb1 : 2001:db8:0:1::10\/64<\/li>\n\n\n\n<li>deb2 : 2001:db8:0:1::20\/64<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">on va mettre des configurations qui ne seront pas permanentes dans ce tp  , on apprendra au TP suivant \u00e0 rendre les configurations permanentes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd52 : 3 h maximum<\/p>\n\n\n\n<nav aria-label=\"Table des mati\u00e8res\" class=\"wp-block-table-of-contents\"><ol><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#prerequis\">Pr\u00e9requis:<\/a><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#but\">But:<\/a><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#repertoire-de-travail\">R\u00e9pertoire de travail:<\/a><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#la-machine-deb1\">La machine deb1<\/a><ol><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#on-recupere-la-machine-de-base-debian-11\">On r\u00e9cup\u00e8re la machine de base Debian 11<\/a><ol><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#adaptateur-reseau-1\">adaptateur r\u00e9seau 1<\/a><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#adaptateur-reseau-2\">adaptateur r\u00e9seau 2<\/a><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#tester-la-machine\">Tester la machine<\/a><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#on-met-a-jour-la-machine\">on met \u00e0 jour la machine <\/a><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#la-configuration-reseau-vu-de-linux-debian-11-bullseye\">la configuration r\u00e9seau vu de  Linux Debian 11 (Bullseye)<\/a><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#expliquer-le-role-de-l-interface-1-lo-comment-se-presente-t-elle\">Expliquer le r\u00f4le de l&rsquo;interface 1:lo comment se pr\u00e9sente t&rsquo;elle?<\/a><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#expliquer-le-role-de-l-interface-2-enp0s3-comment-se-presente-t-elle\">Expliquer le r\u00f4le de l&rsquo;interface 2:enp0s3 comment se pr\u00e9sente t&rsquo;elle?<\/a><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#expliquer-le-role-de-l-interface-3-enp0s8-ou-est-t-elle-physiquement\">Expliquer le r\u00f4le de l&rsquo;interface 3:enp0s8 ou est t&rsquo;elle physiquement.<\/a><\/li><\/ol><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#on-va-renommer-la-machine-debian11-en-deb1\">On va renommer la machine Debian11 en deb1<\/a><\/li><\/ol><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#la-machine-deb2\">La machine deb2<\/a><ol><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#nous-allons-cloner-deb1-car-deb2-va-ressembler-fortement-a-deb1\">Nous allons cloner deb1 car deb2 va ressembler fortement \u00e0 deb1<\/a><\/li><\/ol><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#a-vous-de-jouer-maintenant-pour-finaliser-deb2\">A vous de jouer maintenant pour finaliser deb2 <\/a><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#iproute2\">Iproute2<\/a><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#adresses-ip-v4-et-masque-reseau\">Adresses Ip V4  et masque R\u00e9seau !<\/a><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#adresses-ip-v6-sur-nos-machines\">Adresses Ip V6 sur nos machines<\/a><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#on-va-approfondir-utilisons-ssh\">On va approfondir ! utilisons ssh !<\/a><ol><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#installer-openssh-server\">installer openssh-server<\/a><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#le-service-ssh-systemctl\">Le service ssh (systemctl)<\/a><\/li><\/ol><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#tester-ssh-en-local\">Tester ssh en  local <\/a><ol><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#deb1-vers-deb2\">deb1 vers deb2<\/a><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#deb2-vers-deb1\">deb2 vers deb1<\/a><\/li><\/ol><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#stop-start-le-service-ssh\">Stop Start le service ssh<\/a><\/li><li><a class=\"wp-block-table-of-contents__entry\" href=\"https:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/#pour-aller-plus-loin-tester-scp-et-sftp-de-deb1-a-deb2-de-deb1-a-deb1-et-et-deb2-a-deb2\">Pour aller plus loin , tester scp et sftp ! de deb1 \u00e0 deb2 , de deb1 \u00e0 deb1 et et deb2 a deb2 !<\/a><\/li><\/ol><\/nav>\n\n\n\n<h2 id=\"prerequis\" class=\"wp-block-heading\">Pr\u00e9requis:<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large is-resized\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/TP_VB_R0.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/TP_VB_R0-1024x683.png\" alt=\"\" class=\"wp-image-5974\" style=\"aspect-ratio:1.4992888417882142;width:420px;height:auto\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/TP_VB_R0-1024x683.png 1024w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/TP_VB_R0-300x200.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/TP_VB_R0-768x512.png 768w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/TP_VB_R0.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>une machine debian 11 (bullseye) avec acc\u00e8s root par mot de passe ou sudo <\/li>\n\n\n\n<li>cours r\u00e9seau, utilisation de <a href=\"https:\/\/workboot.fr\/ciela\/commandes-principales-reseau\/\">iproute2<\/a><\/li>\n\n\n\n<li>cours ipV4 et ipV6 et TD<\/li>\n\n\n\n<li>connaissance des outils ssh<\/li>\n<\/ul>\n\n\n\n<h2 id=\"but\" class=\"wp-block-heading\">But:<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Savoir mettre 2 machines sur r\u00e9seau local.<\/li>\n\n\n\n<li>Utilisation d&rsquo;un c\u00e2ble ethernet virtuel!<\/li>\n\n\n\n<li>Switch avec 2 c\u00e2bles ethernet <\/li>\n\n\n\n<li>adressage IPV4 et IPV6<\/li>\n\n\n\n<li>services sous  linux (systemctl)<\/li>\n\n\n\n<li>communication des 2 machines<\/li>\n<\/ul>\n\n\n\n<h2 id=\"repertoire-de-travail\" class=\"wp-block-heading\">R\u00e9pertoire de travail:<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">~\/Works\/TP0_VB_reseau<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour ce TP nous allons utiliser 2 machines Linux Debian 11 (bullseye)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"la-machine-deb1\" class=\"wp-block-heading\">La machine deb1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">on va r\u00e9aliser une machine m1 <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">on va partir d&rsquo;une machine Debian 11 de base que l&rsquo;on va nommer m1 , on la sauvegardera dans le r\u00e9pertoire TP_VB_reseau<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Refaire la <a href=\"https:\/\/workboot.fr\/ciela\/atelier-tp\/tp-vm\/mise-en-service-de-notre-debian-11\/\">TP0_VB_Admin<\/a><\/p>\n\n\n\n<h3 id=\"on-recupere-la-machine-de-base-debian-11\" class=\"wp-block-heading\">On r\u00e9cup\u00e8re la machine de base Debian 11<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"518\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG1-1024x518.png\" alt=\"\" class=\"wp-image-5945\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG1-1024x518.png 1024w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG1-300x152.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG1-768x388.png 768w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG1.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Vous devez avoir quelque chose qui ressemble \u00e0 cela.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">on va renommer notre machine Debian 11 en deb1  (cliquer sur son nom actuel)<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"202\" height=\"92\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG2.png\" alt=\"\" class=\"wp-image-5946\"\/><\/a><\/figure>\n<\/div>\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG3.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"518\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG3-1024x518.png\" alt=\"\" class=\"wp-image-5947\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG3-1024x518.png 1024w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG3-300x152.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG3-768x388.png 768w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG3.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Nous avons notre premi\u00e8re machine <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Maintenant nous allons nous pr\u00e9occuper de lui mettre la configuration r\u00e9seau n\u00e9cessaire pour notre TP<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Avec virtual BOX , on dispose de machine pouvant avoir jusqu\u2019\u00e0 4 adaptateur r\u00e9seau . <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c7a correspond \u00e0 4 interfaces <\/p>\n\n\n\n<h4 id=\"adaptateur-reseau-1\" class=\"wp-block-heading\">adaptateur r\u00e9seau 1<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Ici l&rsquo;adaptateur 1 est actif (mis en fonction) avec  <strong>NAT (Network Address Translation)<\/strong>&nbsp;<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>La VM re\u00e7oit une adresse IP priv\u00e9e (ex. :&nbsp;<code>10.0.2.15<\/code>) d&rsquo;un r\u00e9seau interne g\u00e9r\u00e9 par VirtualBox.<\/li>\n\n\n\n<li>Toutes les requ\u00eates sortantes (navigation web, t\u00e9l\u00e9chargements) de la VM sont&nbsp;<strong>transmises via l&rsquo;IP publique de votre machine h\u00f4te<\/strong>.<\/li>\n\n\n\n<li>Les r\u00e9ponses d&rsquo;Internet sont renvoy\u00e9es \u00e0 l&rsquo;h\u00f4te, qui les redirige vers la VM.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">permet l\u2019acc\u00e8s \u00e0 internet ! pour les mises a jour du syst\u00e8me et les installations.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG5.png\"><img loading=\"lazy\" decoding=\"async\" width=\"885\" height=\"527\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG5.png\" alt=\"\" class=\"wp-image-5949\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG5.png 885w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG5-300x179.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG5-768x457.png 768w\" sizes=\"auto, (max-width: 885px) 100vw, 885px\" \/><\/a><\/figure>\n\n\n\n<h4 id=\"adaptateur-reseau-2\" class=\"wp-block-heading\">adaptateur r\u00e9seau 2<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">On va ici simuler une carte r\u00e9seau (c\u00e2ble ethernet) banch\u00e9 sur un switch interne (R\u00e9seau interne)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">actuellement une seule machine sur ce switch<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG4.png\"><img loading=\"lazy\" decoding=\"async\" width=\"885\" height=\"527\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG4.png\" alt=\"\" class=\"wp-image-5948\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG4.png 885w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG4-300x179.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG4-768x457.png 768w\" sizes=\"auto, (max-width: 885px) 100vw, 885px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">on v\u00e9rifie que la configuration r\u00e9seau est op\u00e9rationnelle<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG6.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"518\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG6-1024x518.png\" alt=\"\" class=\"wp-image-5950\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG6-1024x518.png 1024w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG6-300x152.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG6-768x388.png 768w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG6.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 id=\"tester-la-machine\" class=\"wp-block-heading\">Tester la machine<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">On lance la machine debian 11 (qu&rsquo;on a renomm\u00e9 seulement pour Virtualbox)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">se connecter en root (pour avoir les droits administrateur)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La premi\u00e8re chose \u00e0 faire est de mettre \u00e0 jour notre machine par rapport \u00e0 ce que Debian propose .<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG7.png\"><img loading=\"lazy\" decoding=\"async\" width=\"836\" height=\"578\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG7.png\" alt=\"\" class=\"wp-image-5951\" style=\"width:840px;height:auto\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG7.png 836w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG7-300x207.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG7-768x531.png 768w\" sizes=\"auto, (max-width: 836px) 100vw, 836px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">pourquoi sudo n&rsquo;est pas utilis\u00e9 ici ?<\/p>\n\n\n\n<h4 id=\"on-met-a-jour-la-machine\" class=\"wp-block-heading\">on met \u00e0 jour la machine <\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG8.png\"><img loading=\"lazy\" decoding=\"async\" width=\"838\" height=\"575\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG8.png\" alt=\"\" class=\"wp-image-5952\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG8.png 838w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG8-300x206.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG8-768x527.png 768w\" sizes=\"auto, (max-width: 838px) 100vw, 838px\" \/><\/a><\/figure>\n\n\n\n<h4 id=\"la-configuration-reseau-vu-de-linux-debian-11-bullseye\" class=\"wp-block-heading\">la configuration r\u00e9seau vu de  Linux Debian 11 (Bullseye)<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG9.png\"><img loading=\"lazy\" decoding=\"async\" width=\"838\" height=\"580\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG9.png\" alt=\"\" class=\"wp-image-5953\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG9.png 838w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG9-300x208.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG9-768x532.png 768w\" sizes=\"auto, (max-width: 838px) 100vw, 838px\" \/><\/a><\/figure>\n\n\n\n<h4 id=\"expliquer-le-role-de-l-interface-1-lo-comment-se-presente-t-elle\" class=\"wp-block-heading\">Expliquer le r\u00f4le de l&rsquo;interface <strong>1:lo<\/strong> comment se pr\u00e9sente t&rsquo;elle?<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">voir votre cours<\/p>\n\n\n\n<h4 id=\"expliquer-le-role-de-l-interface-2-enp0s3-comment-se-presente-t-elle\" class=\"wp-block-heading\">Expliquer le r\u00f4le de l&rsquo;interface 2:<strong>enp0s3 <\/strong>comment se pr\u00e9sente t&rsquo;elle?<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">voir votre cours<\/p>\n\n\n\n<h4 id=\"expliquer-le-role-de-l-interface-3-enp0s8-ou-est-t-elle-physiquement\" class=\"wp-block-heading\">Expliquer le r\u00f4le de l&rsquo;interface <strong>3:enp0s8<\/strong><em> <\/em>ou est t&rsquo;elle physiquement.<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">voir votre cours<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 id=\"on-va-renommer-la-machine-debian11-en-deb1\" class=\"wp-block-heading\">On va renommer la machine Debian11 en deb1<\/h3>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">avec la commande <strong>hostname<\/strong> , v\u00e9rifier le nom de la machine.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG10.png\"><img loading=\"lazy\" decoding=\"async\" width=\"304\" height=\"65\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG10.png\" alt=\"\" class=\"wp-image-5972\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG10.png 304w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG10-300x64.png 300w\" sizes=\"auto, (max-width: 304px) 100vw, 304px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">pour modifier le nom il faut juste modifier le fichier  \/etc\/hostname<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">il est conseill\u00e9 de la faire avec vi <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">relancer la machine \u00e0 l&rsquo;aide de la commande <strong>reboot<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG11.png\"><img loading=\"lazy\" decoding=\"async\" width=\"821\" height=\"652\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG11.png\" alt=\"\" class=\"wp-image-5971\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG11.png 821w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG11-300x238.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2025\/12\/IMG11-768x610.png 768w\" sizes=\"auto, (max-width: 821px) 100vw, 821px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/Deb1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"518\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/Deb1-1024x518.png\" alt=\"\" class=\"wp-image-6274\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/Deb1-1024x518.png 1024w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/Deb1-300x152.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/Deb1-768x388.png 768w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/Deb1.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Vous \u00eates le cr\u00e9ateur d&rsquo;une machine ici baptis\u00e9e deb1 , 2 interfaces r\u00e9seaux \u00ab\u00a0physique\u00a0\u00bb , une NAT pour le partage internet avec la machine h\u00f4te ou host en anglais (votre PC)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">une autre connect\u00e9e donc sur un switch logiciel (virtuel)  r\u00e9seau interne<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"la-machine-deb2\" class=\"wp-block-heading\">La machine deb2<\/h2>\n\n\n\n<h3 id=\"nous-allons-cloner-deb1-car-deb2-va-ressembler-fortement-a-deb1\" class=\"wp-block-heading\">Nous allons cloner deb1 car deb2 va ressembler fortement \u00e0 deb1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">pour cloner une machine il faut s\u00e9lectionner la machine et ctrl O  , ou bouton droit de la souris et s\u00e9lectionner cloner <\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/clone1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"792\" height=\"351\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/clone1.png\" alt=\"\" class=\"wp-image-6288\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/clone1.png 792w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/clone1-300x133.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/clone1-768x340.png 768w\" sizes=\"auto, (max-width: 792px) 100vw, 792px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">on va en profiter ici pour la renommer , plut\u00f4t que <strong>clone de deb<\/strong>1  on va l&rsquo;appeler <strong>deb2<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">on ne change rien d&rsquo;autre<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/clone2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"792\" height=\"351\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/clone2.png\" alt=\"\" class=\"wp-image-6292\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/clone2.png 792w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/clone2-300x133.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/clone2-768x340.png 768w\" sizes=\"auto, (max-width: 792px) 100vw, 792px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Il faut faire un clone int\u00e9gral ici !<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">et finish ! une copie de deb1 .. va se faire sous le nom de deb2<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/deb1_deb2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"518\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/deb1_deb2-1024x518.png\" alt=\"\" class=\"wp-image-6295\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/deb1_deb2-1024x518.png 1024w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/deb1_deb2-300x152.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/deb1_deb2-768x388.png 768w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/01\/deb1_deb2.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">on dispose d\u00e9sormais de 2 machines Linux DEBIAN 11 (<strong>Bullseye<\/strong>), et on peut les faire fonctionner en m\u00eame temps ! c&rsquo;est ce qui est int\u00e9ressant avec la virtualisation.<\/p>\n\n\n\n<h2 id=\"a-vous-de-jouer-maintenant-pour-finaliser-deb2\" class=\"wp-block-heading\">A vous de jouer maintenant pour finaliser deb2 <\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Si vous n&rsquo;avez pas r\u00e9ussi \u00e0 r\u00e9aliser les 2 machines deb1 et deb2 il existe un fichier ova du nom de reseau_1.ova sur linux3 , normalement vous n&rsquo;en avez pas besoin!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La version avec deb1 et deb2 (sauvegarde reseau_1.ova ) disponible sur linux3 (1gxstuYY 1gxappYY) votre login \ud83d\ude42  <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>scp 1gxstuYY@linux3.local:\/Data\/Outils_Logiciels\/Linux\/virtualbox_machines\/reseau1\/reseau_1.ova .<\/code><\/pre>\n\n\n\n<h2 id=\"iproute2\" class=\"wp-block-heading\">Iproute2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">on va apprendre \u00e0 administrer des machines en r\u00e9seau, il faut pour cela \u00eatre root et savoir que ce que l&rsquo;on fait actuellement ne sera pas d\u00e9finitif sur les machines , \u00e0 chaque reboot il faudra refaire les commandes, dans le TP suivant on va apprendre \u00e0 figer les configurations r\u00e9seau .<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">on va apprendre a utiliser la commande ip  (de iproute2)<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># pour donner l'adresse ip  de deb1 192.168.1.10\nip addr add 192.168.1.10\/16 dev enp0s8  #adapter \u00e0 votre interface !<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/ipdeb1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"821\" height=\"646\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/ipdeb1.png\" alt=\"\" class=\"wp-image-7163\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/ipdeb1.png 821w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/ipdeb1-300x236.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/ipdeb1-768x604.png 768w\" sizes=\"auto, (max-width: 821px) 100vw, 821px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Les interfaces peuvent \u00eatre down (non active) mais aussi up , mise en service <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># mise en service de l'interface\nip link set enp0s8 up <\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/iplinksetup.png\"><img loading=\"lazy\" decoding=\"async\" width=\"821\" height=\"646\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/iplinksetup.png\" alt=\"\" class=\"wp-image-7165\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/iplinksetup.png 821w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/iplinksetup-300x236.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/iplinksetup-768x604.png 768w\" sizes=\"auto, (max-width: 821px) 100vw, 821px\" \/><\/a><\/figure>\n\n\n\n<h2 id=\"adresses-ip-v4-et-masque-reseau\" class=\"wp-block-heading\">Adresses Ip V4  et masque R\u00e9seau !<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ici <strong>deb1 : 192.168.1.10 et deb2 :192.168.1.20<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e9rifier que vos 2 machines sont bien dans le m\u00eame r\u00e9seau !<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tester le ping  entre ces 2 machines !  en tant que root , mais aussi en tant qu&rsquo;\u00e9tudiant.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">sur deb2 ajouter une adresse ip : 192.168.1.200\/16<\/p>\n\n\n\n<h2 id=\"adresses-ip-v6-sur-nos-machines\" class=\"wp-block-heading\">Adresses Ip V6 sur nos machines<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">on va donner des adresses  ipv6 <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>deb1 : 2001:db8:0:1::10\/64<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>deb2 : 2001:db8:0:1::20\/64<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Rappel:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ip addr add 2001:db8:0:1::10\/64 dev enpXsY\nip link set enpXsY up<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">on  a configurer nos ipv4 et ipv6  , et testons avec ping si les machines se r\u00e9pondent .<\/p>\n\n\n\n<h2 id=\"on-va-approfondir-utilisons-ssh\" class=\"wp-block-heading\">On va approfondir ! utilisons ssh !<\/h2>\n\n\n\n<h3 id=\"installer-openssh-server\" class=\"wp-block-heading\">installer openssh-server<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">sur les <strong>2 machines<\/strong> il faut installer ssh server !<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#en root \napt update\napt install openssh-server<\/code><\/pre>\n\n\n\n<h3 id=\"le-service-ssh-systemctl\" class=\"wp-block-heading\">Le service ssh (systemctl)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">v\u00e9rifier avec la fonction systemctl que le service est en fonction <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl list-units --type=service --all\n\n# ou  pour ne voir que ce qui  nous interesse !\n\nsystemctl status ssh\n\n#sinon un bon grep !\n\nsystemctl list-units --type=service --all | grep ssh\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">on vois qu\u00a0\u00bbil y a beaucoup de service qui tourne sur notre syst\u00e8me ! , utiliser un grep  ssh  pour filtrer et voir ce qui nous int\u00e9resse ici !<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/service_ssh.png\"><img loading=\"lazy\" decoding=\"async\" width=\"821\" height=\"646\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/service_ssh.png\" alt=\"\" class=\"wp-image-7141\" style=\"aspect-ratio:1.2709043852647364;width:533px;height:auto\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/service_ssh.png 821w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/service_ssh-300x236.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/service_ssh-768x604.png 768w\" sizes=\"auto, (max-width: 821px) 100vw, 821px\" \/><\/a><\/figure>\n<\/div>\n\n\n<h2 id=\"tester-ssh-en-local\" class=\"wp-block-heading\">Tester ssh en  local <\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vous testerez avec les 3   possibilit\u00e9 : 127.0.0.1, ::1  et localhost <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">regarder le fichier <strong>\/etc\/hosts<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/ssh_etudiant_connect.png\"><img loading=\"lazy\" decoding=\"async\" width=\"821\" height=\"646\" src=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/ssh_etudiant_connect.png\" alt=\"\" class=\"wp-image-7144\" srcset=\"https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/ssh_etudiant_connect.png 821w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/ssh_etudiant_connect-300x236.png 300w, https:\/\/workboot.fr\/ciela\/wp-content\/uploads\/2026\/03\/ssh_etudiant_connect-768x604.png 768w\" sizes=\"auto, (max-width: 821px) 100vw, 821px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Expliquer \u00e0 quoi correspond ces histoires de fingerprint  ?<\/p>\n\n\n\n<h3 id=\"deb1-vers-deb2\" class=\"wp-block-heading\">deb1 vers deb2<\/h3>\n\n\n\n<h3 id=\"deb2-vers-deb1\" class=\"wp-block-heading\">deb2 vers deb1<\/h3>\n\n\n\n<h2 id=\"stop-start-le-service-ssh\" class=\"wp-block-heading\">Stop Start le service ssh<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl status ssh   #nous donne l'\u00e9tat du service \nsystemctl stop ssh     # arrete le service ssh\n# verifier ce service \n# pour lancer le service\nsystemctl start ssh <\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Faire des essais d&rsquo;usage de ssh en ma\u00eetrisant le service ssh<\/p>\n\n\n\n<h2 id=\"pour-aller-plus-loin-tester-scp-et-sftp-de-deb1-a-deb2-de-deb1-a-deb1-et-et-deb2-a-deb2\" class=\"wp-block-heading\">Pour aller plus loin , tester scp et sftp ! de deb1 \u00e0 deb2 , de deb1 \u00e0 deb1 et et deb2 a deb2 !<\/h2>\n","protected":false},"excerpt":{"rendered":"<p>On dispose de 2 machines , connect\u00e9 sur un m\u00eame switch ou hub , ou plus simple reli\u00e9 par un c\u00e2ble Ethernet directement. On va les placer dans un m\u00eame [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_crdt_document":"","_uag_custom_page_level_css":"","footnotes":""},"class_list":["post-5932","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>TP0_VB_R\u00e9seau 2 machines - workboot<\/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:\/\/workboot.fr\/ciela\/tp0_vb_reseau\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TP0_VB_R\u00e9seau 2 machines - workboot\" \/>\n<meta property=\"og:description\" content=\"On dispose de 2 machines , connect\u00e9 sur un m\u00eame switch ou hub , ou plus simple reli\u00e9 par un c\u00e2ble Ethernet directement. 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