{"id":901,"date":"2020-11-08T19:19:54","date_gmt":"2020-11-08T18:19:54","guid":{"rendered":"https:\/\/itrop.ird.fr\/wordpress\/?page_id=901"},"modified":"2022-04-06T14:48:39","modified_gmt":"2022-04-06T12:48:39","slug":"trainings-2019-admin-hpc-module-1-installation-dun-serveur-pxe","status":"publish","type":"page","link":"https:\/\/bioinfo.ird.fr\/index.php\/trainings-fr\/trainings-2019-admin-hpc-module-1\/trainings-2019-admin-hpc-module-1-installation-dun-serveur-pxe\/","title":{"rendered":"Trainings 2019 &#8211; Admin HPC &#8211; module 1 &#8211; Installation d&rsquo;un serveur pxe"},"content":{"rendered":"<h2>installation d'un serveur pxe<\/h2>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Description<\/th>\n<th style=\"text-align: left;\">Installation d'un serveur pxe sous centos 7 pour permettre une installation automatis\u00e9e de serveur<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\">Page d'accueil<\/td>\n<td style=\"text-align: left;\"><a href=\"https:\/\/itrop.ird.fr\/wordpress\/index.php\/trainings-2019-admin-hpc-module-1\/\">HPC Administration Module1<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">Auteur<\/td>\n<td style=\"text-align: left;\">Ndomassi TANDO (ndomassi.tando@ird.fr)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">Date de cr\u00e9ation<\/td>\n<td style=\"text-align: left;\">20\/09\/2019<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">Derni\u00e8re  date de modification<\/td>\n<td style=\"text-align: left;\">20\/09\/2019<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>Sommaire<\/h3>\n<p><!-- TOC depthFrom:2 depthTo:2 withLinks:1 updateOnSave:1 orderedList:0 --><\/p>\n<ul>\n<li><a href=\"#part-1\">Pr\u00e9-requis<\/a><\/li>\n<li><a href=\"#part-2\">Configuration du serveur DHCP<\/a><\/li>\n<li><a href=\"#part-3\">Configurer le serveur tftp<\/a><\/li>\n<li><a href=\"#links\">Links<\/a><\/li>\n<li><a href=\"#license\">License<\/a><\/li>\n<\/ul>\n<hr \/>\n<h1>INSTALLATION  D'UN SERVEUR PXE<\/h1>\n<p><a name=\"part-1\"><\/a><\/p>\n<h2>Pr\u00e9-requis<\/h2>\n<ul>\n<li>Un serveur DHCP<\/li>\n<li>Un serveur NFS<\/li>\n<li>Un serveur TFTP<\/li>\n<li>Un d\u00e9p\u00f4t FTP, NFS ou un serveur HTTP pour stocker les fichiers d\u2019installation<\/li>\n<\/ul>\n<p>Lancer les commandes suivantes en tant que superutilisateur:<\/p>\n<pre><code>$ yum install dhcp tftp tftp-server syslinux wget vsftpd  httpd xinetd  nfs-utils -y<\/code><\/pre>\n<hr \/>\n<p><a name=\"part-2\"><\/a><\/p>\n<h2>Configuration du serveur DHCP:<\/h2>\n<p>D\u00e9marrer le serveur \u00e0 installer et noter son adresse MAC.<\/p>\n<p>Il faut ensuite  modifier le fichier \/etc\/dhcp\/dhcp.conf avec les valeurs suivantes :<\/p>\n<pre><code>option domain-name &quot;intraceraas&quot;;\n\ndefault-lease-time 86400;\nmax-lease-time 86400;\nddns-update-style none;\n\nallow bootp;\nallow booting;\n\noption ip-forwarding    false;\noption mask-supplier    false;\n\nsubnet 192.168.1.0 netmask 255.255.255.0 {\n        range 192.168.1.100 192.168.1.249;\n}\n\ngroup {\n        next-server     192.168.1.250;\n        filename &quot;pxelinux.0&quot;;\n\n        host node0 {\n                hardware ethernet @MAC \u00e0 renseigner;\n                fixed-address   192.168.1.100;\n                      }\n    }<\/code><\/pre>\n<p>Red\u00e9marrer ensuite le service avec la commande :<\/p>\n<pre><code>$ service dhcpd restart<\/code><\/pre>\n<hr \/>\n<p><a name=\"part-3\"><\/a><\/p>\n<h2>Configurer le serveur tftp:<\/h2>\n<p>Il faut activer le service tftp en mettant la variable disable \u00e0 \u00ab no \u00bb.<\/p>\n<p>Le fichier de configuration <code>\/etc\/xinetd.d\/tftp<\/code> doit contenir les lignes suivantes :<\/p>\n<pre><code>service tftp\n{\n        disable = no\n        socket_type             = dgram\n        protocol                = udp\n        wait                    = yes\n        user                    = root\n        server                  = \/usr\/sbin\/in.tftpd\n        server_args             = -v -s \/tftpboot -r blksize\n        per_source              = 11\n        cps                     = 100 2\n        flags                   = IPv4\n}<\/code><\/pre>\n<p>Red\u00e9marrer le service avec la commande:<\/p>\n<pre><code>$ systemctl restart xinetd<\/code><\/pre>\n<h3>Installation des fichiers de boot r\u00e9seau :<\/h3>\n<p>Cr\u00e9er le r\u00e9pertoire \/tftpboot avec tous les droits<\/p>\n<pre><code>$ mkdir -p \/tftpboot\n$ chmod 777 \/tftpboot<\/code><\/pre>\n<p>Copier les fichiers pour pouvoir d\u00e9marrer au boot :<\/p>\n<pre><code>$ cp -v \/usr\/share\/syslinux\/pxelinux.0 \/tftpboot\n$ cp -v \/usr\/share\/syslinux\/menu.c32 \/tftpboot\n$ cp -v \/usr\/share\/syslinux\/memdisk \/tftpboot\n$ cp -v \/usr\/share\/syslinux\/mboot.c32 \/tftpboot\n$ cp -v \/usr\/share\/syslinux\/chain.c32 \/tftpboot\n$ mkdir  \/tftpboot\/pxelinux.cfg\n$ mkdir \/tftpboot\/netboot\/<\/code><\/pre>\n<h3>Monter l\u2019ISO de centos 7 dans \/mnt<\/h3>\n<p>Taper la commande:<\/p>\n<pre><code>$ mount -o loop CentOS-7.0-1406-x86_64-DVD.iso \/mnt\/<\/code><\/pre>\n<h3>Copier le contenu de l\u2019iso dans \/tftpboot\/centos7 :<\/h3>\n<pre><code>$ cp -fr \/tftpboot\/centos7\n$ chmod -R 755 \/tftpboot\/centos7<\/code><\/pre>\n<h3>Copie des fichiers initrd.img et vmlinuz dans  \/tftpboot\/netboot\/<\/h3>\n<p>Taper les commandes suivantes :<\/p>\n<pre><code>$ cp \/mnt\/images\/pxeboot\/vmlinuz \/tftpboot\/netboot\/\n$ cp \/mnt\/images\/pxeboot\/initrd.img \/tftpboot\/netboot\/<\/code><\/pre>\n<h3>Configuration du serveur nfs :<\/h3>\n<p>Lancer la commande suivante pour \u00e9viter les probl\u00e8mes de d\u00e9marrage du service rpc :<\/p>\n<pre><code>$ dracut -f -v<\/code><\/pre>\n<p>Modifier le fichier \/etc\/exports pour permettre l\u2019 acc\u00e8s \u00e0 <code>\/tftpboot<\/code> aux noeuds :<\/p>\n<pre><code>$ \/tftpboot 192.168.1.0\/24(rw,no_root_squash,async)<\/code><\/pre>\n<p>Activer et d\u00e9marrer les services RPC et NFS :<\/p>\n<pre><code>$ systemctl enable rpcbind\nsystemctl enable nfs-server\nsystemctl start rpcbind\nsystemctl start nfs-server<\/code><\/pre>\n<h3>Configuration du serveur apache :<\/h3>\n<p>Cr\u00e9er un fichier <code>\/etc\/httpd\/conf.d\/pxeboot.conf<\/code> et rajouter les lignes suivantes :<\/p>\n<pre><code>Alias \/centos7 \/tftpboot\/centos7\n&lt;Directory \/tftpboot\/centos7&gt;\nOptions Indexes FollowSymLinks\nOrder Deny,Allow\nDeny from all\nAllow from 127.0.0.1 192.168.1.0\/24\n&lt;\/Directory&gt;<\/code><\/pre>\n<p>Red\u00e9marrer le service apache :<\/p>\n<pre><code>$ service httpd restart <\/code><\/pre>\n<h3>Cr\u00e9er le fichier de configuration du serveur pxe :<\/h3>\n<p>Cr\u00e9er le fichier  <code>\/tfpboot\/pxelinux.cfg\/default<\/code><\/p>\n<pre><code>default menu.c32\nprompt 0\ntimeout 30\nMENU TITLE PXE Menu\n\nLABEL centos7_x64\nMENU LABEL CentOS 7 X64\n        KERNEL netboot\/vmlinuz\n        APPEND initrd=netboot\/initrd.img  ks=nfs:192.168.1.250:\/tftpboot\/ks.cfg inst.repo=http:\/\/192.168.1.150\/centos7\/7.2\/os\/x86_64<\/code><\/pre>\n<h3>Cr\u00e9er le fichier kickstart \/tftpboot\/ks.cfg:<\/h3>\n<p>On crypte au pr\u00e9alable le mot de passe root avec la commande suivante :<\/p>\n<pre><code>$ openssl passwd -1 &quot;thies2018&quot;<\/code><\/pre>\n<p>Le kickstart est un fichier qui permet de param\u00e9trer l\u2019installation automatique de centos.<\/p>\n<pre><code>install\ntext\nlang fr_FR.UTF-8\nkeyboard fr-latin1\nskipx\nnetwork --device eth7 --bootproto dhcp --netmask 255.255.255.0\nnfs --server 192.168.1.250 --dir \/tftpboot\/Centos7\n\nrootpw --iscrypted $1$QJl5rL0s$ShDwIpBVfqLTD3KhKkpuf0\n\nfirewall --disabled\nselinux --disabled\nauthconfig --enableshadow --enablemd5\ngraphical\ntimezone Afrique\/Dakar\nbootloader\nreboot\n zerombr\nclearpart --linux --initlabel\npart \/boot --fstype ext3 --size 500 --ondisk=sda\npart \/ --fstype ext3 --size 50000 --ondisk=sda\npart swap --size 8192 --ondisk=sda\npart \/scratch --fstype ext4 --size 100 --grow \u2013ondisk=sda\n%packages\n@base\n@core\n@network-server\n@fonts\n@compat-libraries\n@network-file-system-client\n@Compatibility libraries\n@development\n@System administration tools\nkernel-devel\nrsync\nntp\nlibcap\nrsh-server\nrsh\nxorg-x11-xauth\nxz-lzma-compact\nbzip2-devel\nzlib\nncurses\nncurses-devel\ntcl\n%end\n%post\nmkdir \/data\nchmod -R 777 \/scratch\n%end<\/code><\/pre>\n<hr \/>\n<h3>Links<\/h3>\n<p><a name=\"links\"><\/a><\/p>\n<ul>\n<li>Cours li\u00e9s : <a href=\"https:\/\/itrop.ird.fr\/wordpress\/index.php\/trainings-2019-admin-hpc-module-1\/\">HPC Trainings<\/a><\/li>\n<\/ul>\n<hr \/>\n<h3>License<\/h3>\n<p><a name=\"license\"><\/a><\/p>\n<div>\nThe resource material is licensed under the Creative Commons Attribution 4.0 International License (<a href=\"http:\/\/creativecommons.org\/licenses\/by-nc-sa\/4.0\/\">here<\/a>).<br \/>\n<center><img decoding=\"async\" width=\"25%\" class=\"img-responsive\" src=\"http:\/\/creativecommons.org.nz\/wp-content\/uploads\/2012\/05\/by-nc-sa1.png\"\/><br \/>\n<\/center>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>installation d&rsquo;un serveur pxe Description Installation d&rsquo;un serveur pxe sous centos 7 pour permettre une installation automatis\u00e9e de serveur Page&hellip; <br \/> <a class=\"read-more\" href=\"https:\/\/bioinfo.ird.fr\/index.php\/trainings-fr\/trainings-2019-admin-hpc-module-1\/trainings-2019-admin-hpc-module-1-installation-dun-serveur-pxe\/\">Lire la suite<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":893,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-901","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Trainings 2019 - Admin HPC - module 1 - 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