{"id":2634,"date":"2017-08-07T13:00:28","date_gmt":"2017-08-07T11:00:28","guid":{"rendered":"http:\/\/www.unicoda.com\/?p=2634"},"modified":"2019-04-05T23:26:50","modified_gmt":"2019-04-05T21:26:50","slug":"sauvegarde-du-contenu-dune-carte-sd","status":"publish","type":"post","link":"https:\/\/www.unicoda.com\/?p=2634","title":{"rendered":"Sauvegarde du contenu d&rsquo;une carte SD"},"content":{"rendered":"<p>J&rsquo;ai r\u00e9alis\u00e9 derni\u00e8rement quelques essais d&rsquo;applications audio compatible Raspberry Pi. En cas de test non satisfaisant, je voulais \u00eatre en mesure de red\u00e9ployer ais\u00e9ment l&rsquo;ancien syst\u00e8me. Le site officiel du Raspberry Pi fournit pour ce cas pr\u00e9cis <a href=\"https:\/\/www.raspberrypi.org\/documentation\/linux\/filesystem\/backup.md\" target=\"_blank\" rel=\"noopener noreferrer\">de bonnes explications<\/a>.<\/p>\n<p>Je retiens donc les commandes suivantes permettant de copier le contenu d&rsquo;une carte SD et de pouvoir le r\u00e9\u00e9crire \u00e0 l&rsquo;identique, avec au passage, compression des donn\u00e9es pour gagner en espace disque.<\/p>\n<p>Pour sauvegarder :<\/p>\n<pre>sudo dd bs=4M if=\/dev\/mmcblk0 | gzip &gt; pi.img.gz<\/pre>\n<p>Et pour d\u00e9ployer la sauvegarde :<\/p>\n<pre>gunzip --stdout pi.img.gz | sudo dd bs=4M of=\/dev\/mmcblk0<\/pre>\n<p>En rempla\u00e7ant bien \u00e9videmment<em> \/dev\/mmcblk0<\/em> par le chemin vers la carte SD sur le syst\u00e8me h\u00f4te.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>J&rsquo;ai r\u00e9alis\u00e9 derni\u00e8rement quelques essais d&rsquo;applications audio compatible Raspberry Pi. En cas de test non satisfaisant, je voulais \u00eatre en mesure de red\u00e9ployer ais\u00e9ment l&rsquo;ancien syst\u00e8me. Le site officiel du Raspberry Pi fournit pour ce cas pr\u00e9cis de bonnes explications. Je retiens donc les commandes suivantes permettant de copier le contenu d&rsquo;une carte SD et &hellip; <a href=\"https:\/\/www.unicoda.com\/?p=2634\" class=\"more-link\">Continuer la lecture<span class=\"screen-reader-text\"> de &laquo;&nbsp;Sauvegarde du contenu d&rsquo;une carte SD&nbsp;&raquo;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[322,415],"tags":[50,268,323],"class_list":["post-2634","post","type-post","status-publish","format-standard","hentry","category-raspberry-pi","category-sauvegarde","tag-raspberry-pi","tag-sauvegarde","tag-sd"],"_links":{"self":[{"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/posts\/2634","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2634"}],"version-history":[{"count":3,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/posts\/2634\/revisions"}],"predecessor-version":[{"id":3506,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=\/wp\/v2\/posts\/2634\/revisions\/3506"}],"wp:attachment":[{"href":"https:\/\/www.unicoda.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2634"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2634"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.unicoda.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}