{"id":2034,"date":"2024-01-16T20:06:23","date_gmt":"2024-01-16T19:06:23","guid":{"rendered":"https:\/\/alessandromasciadri.com\/?p=2034"},"modified":"2024-01-16T20:15:10","modified_gmt":"2024-01-16T19:15:10","slug":"come-azzerare-un-hard-drive-con-linux","status":"publish","type":"post","link":"https:\/\/alessandromasciadri.com\/come-azzerare-un-hard-drive-con-linux\/","title":{"rendered":"Come azzerare un hard drive con Linux"},"content":{"rendered":"\t\t<div data-akihiro-type=\"ama-post\" data-akihiro-id=\"2034\" class=\"akihiro akihiro-2034\" data-akihiro-post-type=\"post\">\n\t\t\t\t<div class=\"akihiro-element akihiro-element-c16e379 e-flex e-con-boxed e-con e-parent\" data-id=\"c16e379\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"akihiro-element akihiro-element-e377f42 akihiro-widget akihiro-widget-text-editor\" data-id=\"e377f42\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le ragioni per azzerare un disco rigido possono essere svariate. Che sia per riparare errori nel partizionamento o per distruggere in sicurezza i dati ai fini di privacy, sar\u00e0 sufficiente seguire la seguente guida per raggiungere un buon risultato.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-3a6c109 akihiro-widget akihiro-widget-heading\" data-id=\"3a6c109\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t<h3 class=\"akihiro-heading-title akihiro-size-default\">Azzerare totalmente il disco rigido<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-9ed5bde akihiro-widget akihiro-widget-text-editor\" data-id=\"9ed5bde\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Con il seguente metodo tutte le partizioni, il master boot record e i dati contenuti nell&#8217;hard drive vengono sovrascritti.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-55abd9a akihiro-widget akihiro-widget-text-editor\" data-id=\"55abd9a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Lanciare il seguente comando per riempire il disco con tutti zeri:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-36fa5c6 akihiro-widget akihiro-widget-code-highlight\" data-id=\"36fa5c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"code-highlight.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t<div class=\"prismjs-okaidia copy-to-clipboard \">\n\t\t\t<pre data-line=\"\" class=\"highlight-height language-bash \">\n\t\t\t\t<code readonly=\"true\" class=\"language-bash\">\n\t\t\t\t\t<xmp>dd if=\/dev\/zero of=\/dev\/sdX bs=1M #replace X with the target drive letter.<\/xmp>\n\t\t\t\t<\/code>\n\t\t\t<\/pre>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-99e4bad akihiro-widget akihiro-widget-text-editor\" data-id=\"99e4bad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>Il tempo di esecuzione dipende dalla dimensione del disco, ma \u00e8 generalmente time consuming in quanto ogni bit viene scritto a valore 0.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-004f29a akihiro-widget akihiro-widget-text-editor\" data-id=\"004f29a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Se si vuole eseguire il wiping del disco per ragioni di privacy, \u00e8 consigliabile sovrascrivere ogni bit con un valore casuale piuttosto che con zeri. Lanciamo quindi il seguente comando:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-faa4845 akihiro-widget akihiro-widget-code-highlight\" data-id=\"faa4845\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"code-highlight.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t<div class=\"prismjs-okaidia copy-to-clipboard \">\n\t\t\t<pre data-line=\"\" class=\"highlight-height language-bash \">\n\t\t\t\t<code readonly=\"true\" class=\"language-bash\">\n\t\t\t\t\t<xmp>dd if=\/dev\/urandom of=\/dev\/sdX bs=1M #replace X with the target drive letter.<\/xmp>\n\t\t\t\t<\/code>\n\t\t\t<\/pre>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-3bf905a akihiro-widget akihiro-widget-text-editor\" data-id=\"3bf905a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>Il tempo di esecuzione di questo comando dipende sempre dalla dimensione del disco, ma \u00e8 maggiormente time consuming rispetto al comando visto in precedenza.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-f32f731 akihiro-widget akihiro-widget-heading\" data-id=\"f32f731\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t<h3 class=\"akihiro-heading-title akihiro-size-default\">Azzerare il Master Boot Record (MBR)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-37c05aa akihiro-widget akihiro-widget-text-editor\" data-id=\"37c05aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Se si \u00e8 commesso qualche errore nella manipolazione del Master Boot Record, questo pu\u00f2 essere azzerato lanciando il seguente comando:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-24e7e10 akihiro-widget akihiro-widget-code-highlight\" data-id=\"24e7e10\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"code-highlight.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t<div class=\"prismjs-okaidia copy-to-clipboard \">\n\t\t\t<pre data-line=\"\" class=\"highlight-height language-bash \">\n\t\t\t\t<code readonly=\"true\" class=\"language-bash\">\n\t\t\t\t\t<xmp>dd if=\/dev\/zero of=\/dev\/hdX bs=446 count=1 #replace X with the target drive letter.<\/xmp>\n\t\t\t\t<\/code>\n\t\t\t<\/pre>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-1db42ee akihiro-widget akihiro-widget-heading\" data-id=\"1db42ee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t<h3 class=\"akihiro-heading-title akihiro-size-default\">Azzerare una singola partizione<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-5950617 akihiro-widget akihiro-widget-text-editor\" data-id=\"5950617\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Per azzerare il contenuto di una specifica partizione lasciando inalterato il resto del disco, utilizzare il seguente comando:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-6a7a319 akihiro-widget akihiro-widget-code-highlight\" data-id=\"6a7a319\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"code-highlight.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t<div class=\"prismjs-okaidia copy-to-clipboard \">\n\t\t\t<pre data-line=\"\" class=\"highlight-height language-bash \">\n\t\t\t\t<code readonly=\"true\" class=\"language-bash\">\n\t\t\t\t\t<xmp>dd if=\/dev\/zero of=\/dev\/sdX2 bs=1M #replace X with the target drive letter.<\/xmp>\n\t\t\t\t<\/code>\n\t\t\t<\/pre>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-1f7e8e7 akihiro-widget akihiro-widget-text-editor\" data-id=\"1f7e8e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>In questo esempio abbiamo azzerato il contenuto della partizione 2.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-2af56d2 akihiro-widget akihiro-widget-code-highlight\" data-id=\"2af56d2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"code-highlight.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t<div class=\"prismjs-okaidia copy-to-clipboard \">\n\t\t\t<pre data-line=\"\" class=\"highlight-height language-bash \">\n\t\t\t\t<code readonly=\"true\" class=\"language-bash\">\n\t\t\t\t\t<xmp>dd if=\/dev\/zero of=\/dev\/sdX3 bs=1M #replace X with the target drive letter.<\/xmp>\n\t\t\t\t<\/code>\n\t\t\t<\/pre>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-414baa3 akihiro-widget akihiro-widget-text-editor\" data-id=\"414baa3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"akihiro-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>In questo esempio abbiamo azzerato il contenuto della partizione 3.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Le ragioni per azzerare un disco rigido possono essere svariate. Che sia per riparare errori nel partizionamento o per distruggere in sicurezza i dati ai fini di privacy, sar\u00e0 sufficiente seguire la seguente guida per raggiungere un buon risultato. Azzerare totalmente il disco rigido Con il seguente metodo tutte le partizioni, il master boot record [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[20,19],"class_list":["post-2034","post","type-post","status-publish","format-standard","hentry","category-sistemistica","tag-linux","tag-ubuntu"],"_links":{"self":[{"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/posts\/2034","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/comments?post=2034"}],"version-history":[{"count":4,"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/posts\/2034\/revisions"}],"predecessor-version":[{"id":2038,"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/posts\/2034\/revisions\/2038"}],"wp:attachment":[{"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/media?parent=2034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/categories?post=2034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/tags?post=2034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}