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Installation – Graphique Mulinux Cours ± Illustration de Linux li07 Installation ± Graphique - Mulinux Sommaire Installation suite et fin Le mode graphique Mulinux © Arctia -Jean-Daniel Dodin 2002 Linux g-2 L©installation de Linux s©est beaucoup simplifiée depuis quelques années, en tout cas pour les grandes distributions. 1/33 Cours ± Illustration de Linux li07 Installer Linux © Arctia -Jean-Daniel Dodin 2002 Linux g-3 Nous en étions restés là la dernière fois. Nous faisons une nouvelle installa- tion. Vous l©avez sans doute remarqué, nous vous proposons d©installer Linux en plus de Windows. Installer Linux seul ne présente aucune difficulté, il suffit de dire à l©installa- tion « prenez tout le disque » et tout se fait automatiquement. 2/33 Cours ± Illustration de Linux li07 Contrairement à ce que l 'image indique, Installer Linux choisissez « partitionner ». © Arctia -Jean-Daniel Dodin 2002 Linux g-4 D©une façon ou d©une autre il va falloir aborder le problème du partitionne- ment 3/33 Cours ± Illustration de Linux li07 Contrairement à ce que l 'image indique, Installer Linux choisissez « partitionner ». © Arctia -Jean-Daniel Dodin 2002 Linux g-5 Les deux principales distributions, SuSE et Mandrake, savent aujourd©hui repartitionner un disque au cours de l©installation, mais ça ne marche pas toujours, en particulier si le disque n©a pas été défragmenté. 4/33 Cours ± Illustration de Linux li07 Si vous prenez « tout le disque » il n 'y aura plus de Windows sur aucun disque de votre système... Installer Linux © Arctia -Jean-Daniel Dodin 2002 Linux g-6 Mais il se peut aussi que Windows ai créé un mauvais système de fichier (vi- rus¼) et donc que ni fips ni les distributions ne veuillent partitionner. Il faut alors refaire l©installation de Windows. Pour cela, avec la disquette Windows, partitionnez le disque (attention, l©ancien Windows sera effacé). 5/33 Cours ± Illustration de Linux li07 La première partition est celle DE WINDOWS. Il faut effacer l 'autre¼ Installer Linux © Arctia -Jean-Daniel Dodin 2002 Linux g-7 N©essayez pas de partitionner avec Windows 98 (avec W2k ou XP, peut-être). Si vous installez normalement, vous pouvez toujours ensuite utiliser FIPS. En installant Linux, vous allez alors voir ceci. En effet FIPS coupe une parti- tion Windows en deux partitions Windows. 6/33 Cours ± Illustration de Linux li07 Faites « continuer » Installer Linux © Arctia -Jean-Daniel Dodin 2002 Linux g-8 Si tout se passe bien, avec une distribution moderne, on va vous proposer ça. Vérifiez bien que votre Windows n©est PAS effacé mais bien redimen- sionné. Pour le reste, faites confiance. 7/33 Cours ± Illustration de Linux li07 Ext2 est le système standard linux, nécessaire pour l 'autre partition (/ boot). Installer Linux © Arctia -Jean-Daniel Dodin 2002 Linux g-9 Si on vous laisse le choix, choisissez un système de fichier moderne comme Reiser. 8/33 Cours ± Illustration de Linux li07 Choisissez « système minimal », remplacer. Installer Linux © Arctia -Jean-Daniel Dodin 2002 Linux g-10 Vous allez ensuite pouvoir choisir les logiciels à installer. La première fois, gardez les valeurs pas défaut, vous pourrez toujours changer ensuite. 9/33 Cours ± Illustration de Linux li07 Démarrez l 'installation, et patientez... Installer Linux © Arctia -Jean-Daniel Dodin 2002 Linux g-11 Et ça s©installe. Pour une configuration courante avec bureautique, dessin, son¼ compter une petite heure. Il y a juste à changer de cd de temps en temps. 10/33 Cours ± Illustration de Linux li07 Bien sur, vous allez configurer Lilo (LInux Loader). Installer Linux © Arctia -Jean-Daniel Dodin 2002 Linux g-12 A un moment quelconque, on va vous demander de choisir le démarrage. Si vous ne vou- lez absolument pas perturber Windows, choisissez "disquette", vous pourrez toujours changer ensuite. Dans la configuration par défaut, votre appareil va en effet démarrer directement sous Linux. Pour démarrer Windows il faudra donc faire un choix dans le menu de démarrage. Ce n©est pas souvent le résultat désiré, surtout si plusieurs personnes utilisent le même PC. D©où l©utilité de la disquette. 11/33 Cours ± Illustration de Linux li07 Il n 'y a plus de difficulté. On vous demande maintenant l©heure à utiliser. Moi, c©est Europe/Paris, mais vous pouvez prendre Arctique/pole nord si vous voulez... Restez à l©heure locale. Donnez le nom que vous voulez au pc et au réseau Donnez un mot de passe quelconque (de moins de 8 lettres). Ensuite, configurez le moins de chose possible avant de redémarrer. Enlevez le cd du lecteur. Vous êtes dans Linux. © Arctia -Jean-Daniel Dodin 2002 Installer Linux Linux g-13 Ensuite, on ne vous demande plus guère qu©un mot de passe administrateur plus la création d©un usager. Linux fait une nette différence entre les deux. Les mots de passe doivent en général faire entre 5 et 8 caractères. Pour le mode graphique, voyez plus loin. En installant Linux vous avez non seulement installé le système mais aussi beaucoup d©applications. Beaucoup d©autres peuvent être installées ensuite, toujours librement. Il n©y a pas de piratage sous Linux : la copie est toujours autorisée (à de très rares exceptions près). 12/33 Cours ± Illustration de Linux li07 Comprendre le mode graphique © Arctia -Jean-Daniel Dodin 2002 Linux g-14 Le mode graphique est sensible aux réglages, il se peut qu©il ne marche pas du premier coup si vous avez indiqué une définition trop forte. En cas de doute, il vaut donc mieux être modeste 13/33 Cours ± Illustration de Linux li07 Comprendre le mode graphique Le mode graphique de Linux est un système client serveur. Entre la carte graphique et l'application, se trouve donc un « serveur ». © Arctia -Jean-Daniel Dodin 2002 Linux g-15 C©est la rançon de ses performances réseau, nous avons déjà vu qu©il est possible d©avoir l©affichage sur un autre PC 14/33 Cours ± Illustration de Linux li07 Comprendre le mode graphique Le mode graphique de Linux est un système client serveur. Entre la carte graphique et l'application, se trouve donc un « serveur ». Le client (l'application) ne sait pas où ni comment l'image va être affichée, ce qui permet le fonctionnement de produits comme VNC. L'application ne s'adresse même pas directement au serveur graphique, mais à un gestionnaire de fenêtres ( twm, fvwm2¼) © Arctia -Jean-Daniel Dodin 2002 Linux g-17 Pour obtenir ce résultat, il faut se compliquer un peu la vie, d©où les serveurs graphiques 15/33 Cours ± Illustration de Linux li07 Comprendre le mode graphique Nous devons donc 1- installer un serveur 2- installer un gestionnaire de fenêtres 3- installer des applications 4- configurer tout cela © Arctia -Jean-Daniel Dodin 2002 Linux g-18 Bien sur, tout ça est déjà fait. En pratique, si vous installez un tout petit poste ou le graphique est inutile (serveur), il vous faudra enlever l©installation graphique :-) 16/33 Cours ± Illustration de Linux li07 L'installation minimale en mode texte occupe de 50 à 180 Mo, pour le mode graphique il faut rajouter 100 Mo environ, avec les applications, près de 500 Mo. Une installation confortable de Linux fait plus d©un Giga. le mode graphique de Linux © Arctia -Jean-Daniel Dodin 2002 Linux g-19 Une installation non confortable tient sur disquette... 17/33 Cours ± Illustration de Linux li07 Il nous faut maintenant configurer le mode graphique. le mode graphique de Linux © Arctia -Jean-Daniel Dodin 2002 Linux g-20 Il est vraisemblable que le mode graphique sera installé automatiquement, mais il peut ne pas marcher du premier coup, ou pas comme vous le voulez. 18/33 Cours ± Illustration de Linux li07 Tapez SuperProbe. Ce programme va vous dire quelle est votre carte video. Dans tous les cas, vous pouvez essayer Generic VGA. Notez soigneusement la réponse. le mode graphique de Linux © Arctia -Jean-Daniel Dodin 2002 Linux g-21 Si la configuration par défaut est bonne, gardez-la un certain temps; Sinon, ouvrez une console et utilisez SuperProbe. Si votre carte est reconnue, l©essentiel est fait. Sinon c©est plus délicat. Le mode graphique, Xfree, ayant longtemps posé des problèmes, chaque distribution a créé ses outils pour les résoudre (sax et sax2 pour SuSE, drakconf pour Mandrake). Du coup il vous faudra peut-être lire le manuel si vous voulez les utiliser. Mais il est toujours possible et parfois souhaitable de travailler « à la main » - c©est à dire avec vi (aïe !). Donner plus de détails dépasse le niveau de ce cours. 19/33 Cours ± Illustration de Linux li07 Vous allez maintenant lancer xf86config. C 'est le programme de configuration de l'interface graphique le plus sur. Il n'est pas beau, mais marche très bien. Tapez donc xf86c <tab>, Linux complétera de lui-même (il y a plusieurs versions). le mode graphique de Linux © Arctia -Jean-Daniel Dodin 2002 Linux g-22 L©utilitaire en mode texte n©est plus utile que dans les cas désespérés. Vous pourrez en avoir besoin si vous récupérez un vieil appareil pour en faire un serveur, ce qui vous arrivera sans doute. 20/33 Cours ± Illustration de Linux li07 Avec une SuSE, utilisez "sax2", avec une Mandrake "drakconf". Ils donnent aujourd©hui de très bon résultats. le mode graphique de Linux © Arctia -Jean-Daniel Dodin 2002 Linux g-23 Si votre distribution le permet (c'est le cas de la suse, de mulinux ou de dé- molinux), il vaut mieux lancer Linux à partir du cd et faire le partitionne- ment avec fdisk. Cet utilitaire est rustique mais très fiable. 21/33 Cours ± Illustration de Linux li07 Mulinux © Arctia -Jean-Daniel Dodin 2002 Linux g-24 Linux uniquement avec une disquette, c©est possible 22/33 Cours ± Illustration de Linux li07 Linux sur une ou deux disquettes © Arctia -Jean-Daniel Dodin 2002 Linux g-25 Avec quelques disquettes de plus, on peut même avoir beaucoup plus, comme vous allez le voir.
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