{"id":29548,"date":"2016-06-03T08:19:15","date_gmt":"2016-06-03T08:19:15","guid":{"rendered":"http:\/\/systemadmin.es\/?p=5092"},"modified":"2016-06-03T08:19:15","modified_gmt":"2016-06-03T08:19:15","slug":"ver-la-imagen-mapeada-en-un-dispositivo-loop","status":"publish","type":"post","link":"https:\/\/icloud.pe\/blog\/ver-la-imagen-mapeada-en-un-dispositivo-loop\/","title":{"rendered":"Ver la imagen mapeada en un dispositivo loop"},"content":{"rendered":"<p>Si tenemos en el sistema un <strong>dispositivo loop<\/strong> nos puede interesar <strong>saber a que imagen corresponde<\/strong> dicho dispositivo, vamos a ver dos formas de hacerlo:<\/p>\n<p><!-- more --><\/p>\n<p>En las versiones reciente de <strong>losetup<\/strong> podemos usar la <strong>opci\u00f3n &#8211;show<\/strong> que nos mostrar\u00e1 la imagen, en este caso <strong>\/root\/ejemplo<\/strong>:<\/p>\n<pre>\r\n# losetup --show \/dev\/loop0\r\n\/dev\/loop0: [fc00]:798589 (\/root\/ejemplo)\r\n<\/pre>\n<p>Pero tambi\u00e9n lo podemos hacer mediante el <strong>\/sys<\/strong>, dentro del <strong>dispositivo loop<\/strong> a buscar deberemos hacer un cat del fichero <strong>loop\/backing<\/strong>, por ejemplo para <strong>\/dev\/loop0<\/strong> har\u00edamos:<\/p>\n<pre>\r\n# cat \/sys\/block\/loop0\/loop\/backing_file \r\n\/root\/ejemplo\r\n<\/pre>\n<p>\tTags: <a href=\"http:\/\/systemadmin.es\/tag\/losetup\" title=\"losetup\" rel=\"tag\">losetup<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Si tenemos en el sistema un dispositivo loop nos puede interesar saber a que imagen corresponde dicho dispositivo, vamos a ver dos formas de hacerlo: En las versiones reciente de losetup podemos usar la opci&oacute;n &ndash;show que nos mostrar&aacute; la imagen, en este caso \/root\/ejemplo: # losetup &#8211;show \/dev\/loop0 \/dev\/loop0: [fc00]:798589 (\/root\/ejemplo) Pero tambi&eacute;n lo [&hellip;]<\/p>\n","protected":false},"author":321,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5051,5044],"tags":[],"class_list":["post-29548","post","type-post","status-publish","format-standard","hentry","category-losetup","category-utilidades"],"_links":{"self":[{"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/posts\/29548","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/users\/321"}],"replies":[{"embeddable":true,"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/comments?post=29548"}],"version-history":[{"count":1,"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/posts\/29548\/revisions"}],"predecessor-version":[{"id":29549,"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/posts\/29548\/revisions\/29549"}],"wp:attachment":[{"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/media?parent=29548"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/categories?post=29548"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/icloud.pe\/blog\/wp-json\/wp\/v2\/tags?post=29548"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}