{"id":623,"date":"2025-12-17T14:16:49","date_gmt":"2025-12-17T13:16:49","guid":{"rendered":"https:\/\/gcmadeitsimple.com\/?p=623"},"modified":"2025-12-19T13:13:45","modified_gmt":"2025-12-19T12:13:45","slug":"linux-base-permessi-lezione-3","status":"publish","type":"post","link":"https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/","title":{"rendered":"Linux base: i permessi [Lezione 3]"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Quando ci avviciniamo al mondo Linux \u2014 che sia per uso personale, lavorativo, gaming, server, ecc. o semplicemente capire meglio come funziona il sistema \u2014 prima o poi ci imbatteremo con&nbsp; i <strong>permessi dei file<\/strong>.<br>Questi ultimi sono una delle basi fondamentali di Linux e determinano <strong>chi pu\u00f2 leggere, scrivere o eseguire<\/strong> un file o aprire una cartella.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Capire bene i permessi significa:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>evitate errori come <em>\u201cPermission denied\u201d<\/em><\/li>\n\n\n\n<li>aumentare la sicurezza del sistema<\/li>\n\n\n\n<li>configurare correttamente server web, WordPress, Docker, backup, ecc.<\/li>\n\n\n\n<li>sapere perch\u00e9 alcuni script funzionano e altri no<\/li>\n\n\n\n<li>proteggere file privati o sensibili<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">In questo articolo trovi tutto ci\u00f2 che ti serve per diventare autonomo nella gestione dei permessi.<br>\u00c8 una guida <strong>universale<\/strong>, valida per <em>tutte le distribuzioni Linux<\/em>: Ubuntu, Debian, Fedora, openSUSE e molte altre.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>1\ufe0f\u20e3 Cosa sono i permessi in Linux e perch\u00e9 sono cos\u00ec importanti<\/strong><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">In Linux, quasi tutto \u00e8 considerato un <strong>file<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>documenti<\/li>\n\n\n\n<li>script<\/li>\n\n\n\n<li>directory<\/li>\n\n\n\n<li>dispositivi hardware<\/li>\n\n\n\n<li>configurazioni di sistema<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ogni file o cartella ha tre livelli di permessi:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>User<\/strong> \u2192 il proprietario<\/li>\n\n\n\n<li><strong>Group<\/strong> \u2192 il gruppo associato<\/li>\n\n\n\n<li><strong>Others<\/strong> \u2192 tutti gli altri utenti del sistema<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">E ciascun livello pu\u00f2 avere tre tipi di permessi:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Permesso<\/th><th>Simbolo<\/th><th>Significato<\/th><\/tr><\/thead><tbody><tr><td><strong>Read<\/strong> (Letture)<\/td><td><code>r<\/code><\/td><td>leggere un file \/ elencare i contenuti di una directory<\/td><\/tr><tr><td><strong>Write<\/strong> (Scrittura)<\/td><td><code>w<\/code><\/td><td>modificare un file \/ creare-eliminare file nella directory<\/td><\/tr><tr><td><strong>Execute<\/strong> (Esecuzione)<\/td><td><code>x<\/code><\/td><td>eseguire un file \/ entrare in una directory<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>2\ufe0f\u20e3 Come leggere i permessi: capire <code>rwxr-xr--<\/code><\/strong><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Per vedere i permessi usa il comando (gi\u00e0 trattato nella <a href=\"https:\/\/gcmadeitsimple.com\/index.php\/2025\/11\/07\/linux-basics-lezione-1\/\">LEZIONE 1<\/a>):<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ls -l\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Esempio di output:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>-rwxr-xr--\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Analizzando meglio la stringa e come vengono identificati i permessi associati a utente, gruppo o altri utenti:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91; - ] &#91;rwx] &#91;r-x] &#91;r--]\n  |     |     |     |\n tipo   user  group others\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Tipo di file<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>-<\/code> \u2192 file normale<\/li>\n\n\n\n<li><code>d<\/code> \u2192 directory<\/li>\n\n\n\n<li><code>l<\/code> \u2192 collegamento simbolico (link)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Permessi<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ogni blocco rappresenta:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>il proprietario<\/li>\n\n\n\n<li>il gruppo<\/li>\n\n\n\n<li>tutti gli altri<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">E usa le lettere:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>r<\/code> \u2192 read<\/li>\n\n\n\n<li><code>w<\/code> \u2192 write<\/li>\n\n\n\n<li><code>x<\/code> \u2192 execute<\/li>\n\n\n\n<li><code>-<\/code> \u2192 nessun permesso, quindi il relativo permesso associato alla posizione non \u00e8 attribuito.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nell&#8217;esempio:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>User \u2192 <strong>rwx<\/strong> = Pieno accesso all&#8217;utente (lettura, scrittura, esecuzione)<\/li>\n\n\n\n<li>Group \u2192 <strong>r-x<\/strong> = Accesso lettura ed esecuzione al gruppo<\/li>\n\n\n\n<li>Others \u2192 <strong>r&#8211;<\/strong> = Sola lettura per qualsiasi utente<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>3\ufe0f\u20e3 I permessi numerici (777, 755, 644\u2026)<\/strong><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Linux permette di rappresentare i permessi anche come numeri. Questo semplifica la lettura e la comprensione, ma anche l&#8217;assegnazione, dei permessi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ogni permesso ha un valore:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Permesso<\/th><th>Valore<\/th><\/tr><\/thead><tbody><tr><td>read (r)<\/td><td><strong>4<\/strong><\/td><\/tr><tr><td>write (w)<\/td><td><strong>2<\/strong><\/td><\/tr><tr><td>execute (x)<\/td><td><strong>1<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">I valori si sommano:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>7<\/code> = 4+2+1 \u2192 <strong>rwx<\/strong><\/li>\n\n\n\n<li><code>6<\/code> = 4+2 \u2192 <strong>rw-<\/strong><\/li>\n\n\n\n<li><code>5<\/code> = 4+1 \u2192 <strong>r-x<\/strong><\/li>\n\n\n\n<li><code>4<\/code> = <strong>r&#8211;<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Comando: <code>chmod<\/code><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Cosa fa?<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">il comando <code>chmod<\/code> (change mode, cambio modalit\u00e0) \u00e8 un comando dei sistemi operativi Unix o Linux based, che \u00e8 utilizzato per modificare i diritti e i permessi di file e cartelle, ovviamente se l&#8217;utente, gruppo, ecc. Ha i diritti per poterlo fare.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Sintassi:<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Per utilizzare il comando basta usare la seguente sintassi:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>chmod &#91;opzioni] &#91;--] modalit\u00e0 file1 &#91;file2 ...]<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Dove &#8220;modalit\u00e0&#8221; rappresenta il permesso da dare al &#8220;file&#8221; (file1) o ai files e cartelle.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Esempio: <code>chmod 755 file<\/code><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>7   5   5\nrwx r-x r-x\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Ogni numero, rappresenta quindi la tipologia di permessi rispettivamente per utente, gruppo, altri utenti e assegna le modalit\u00e0 di lettura, scrittura ed esecuzione utilizzando solo la codifica numerica.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Esempio: <code>chmod 644 file<\/code><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>6   4   4\nrw- r-- r--\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Usato per file di configurazione, WordPress, pagine web.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>4\ufe0f\u20e3 Permessi nelle directory (DAVVERO DA SAPERE!)<\/strong><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>I permessi nelle cartelle funzionano diversamente:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Permesso<\/th><th>Effetto sulla directory<\/th><\/tr><\/thead><tbody><tr><td>read (r)<\/td><td>permette di vedere i file nella cartella<\/td><\/tr><tr><td>write (w)<\/td><td>permette di creare\/eliminare file<\/td><\/tr><tr><td>execute (x)<\/td><td>permette di entrarci con <code>cd<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f <strong>Senza <code>x<\/code> (esecuzione) non puoi entrare nella directory, anche se hai <code>r<\/code> (lettura).<\/strong> Quindi \u00e8 importante che le cartelle abbiano il permesso &#8220;x&#8221; per poter essere aperte.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esempio: cartella privata<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>mkdir privato\nchmod 700 privato\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Solo il proprietario pu\u00f2 accedervi.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>5\ufe0f\u20e3 Come controllare i permessi<\/strong><\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Verificare permessi, proprietario e gruppo dei files in una cartella:<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>ls -l\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Output tipico:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>-rw-r--r-- 1 gaetano users 123 note.txt\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Interpretazione:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Permessi \u2192 <code>rw-r--r--<\/code><\/li>\n\n\n\n<li>Proprietario \u2192 <strong>gaetano<\/strong><\/li>\n\n\n\n<li>Gruppo \u2192 <strong>users<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>6\ufe0f\u20e3 Modificare i permessi (chmod)<\/strong><\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Dare permesso di esecuzione a un file<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>chmod +x script.sh\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Impostare direttamente i permessi<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>chmod 755 script.sh\nchmod 644 index.php\nchmod 700 privato\/\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Modalit\u00e0 simbolica<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>chmod u=rwx,g=rx,o=rx script.sh\nchmod o-w file.txt\nchmod g+w shared_folder\/\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>7\ufe0f\u20e3 Cambiare proprietario e gruppo (chown)<\/strong><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Ogni file appartiene a un utente e un gruppo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Cambiare proprietario:<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo chown gaetano file.txt\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Cambiare proprietario e gruppo:<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo chown gaetano:users file.txt\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Modifica ricorsiva (file + sottocartelle):<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo chown -R www-data:www-data \/var\/www\/html\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Utilissimo per:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>WordPress<\/li>\n\n\n\n<li>Nginx \/ Apache<\/li>\n\n\n\n<li>Docker volumi<\/li>\n\n\n\n<li>script di backup<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>8\ufe0f\u20e3 Esempi pratici che ti capitano davvero<\/strong><\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714\ufe0f Rendere eseguibile uno script<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>chmod +x backup.sh\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714\ufe0f Risolvere l&#8217;errore \u201cPermission denied\u201d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Se ottieni:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>bash: .\/script.sh: Permission denied\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Soluzione:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>chmod 755 script.sh\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714\ufe0f Permessi corretti per WordPress<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo chown -R www-data:www-data \/var\/www\/html\nsudo chmod -R 755 \/var\/www\/html\nsudo chmod 644 \/var\/www\/html\/wp-config.php\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714\ufe0f Creare una cartella personale e privata<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>mkdir segreti\nchmod 700 segreti\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>9\ufe0f\u20e3 Tabella riassuntiva<\/strong><\/h1>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Azione<\/th><th>Comando<\/th><\/tr><\/thead><tbody><tr><td>Controllare permessi<\/td><td><code>ls -l<\/code><\/td><\/tr><tr><td>Cambiare permessi<\/td><td><code>chmod 755 file<\/code><\/td><\/tr><tr><td>Aggiungere esecuzione<\/td><td><code>chmod +x file<\/code><\/td><\/tr><tr><td>Cambiare proprietario<\/td><td><code>chown utente file<\/code><\/td><\/tr><tr><td>Cambiare proprietario+gruppo<\/td><td><code>chown utente:gruppo file<\/code><\/td><\/tr><tr><td>Modifica ricorsiva<\/td><td><code>chown -R utente:gruppo cartella<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>\ud83c\udfaf Conclusione<\/strong><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">I permessi in Linux sono un concetto fondamentale, ma con un po&#8217; di pratica diventano semplici e intuitivi.<br>Saperli leggere e modificare ti permette di:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>evitare errori<\/li>\n\n\n\n<li>configurare correttamente un server<\/li>\n\n\n\n<li>proteggere i tuoi file<\/li>\n\n\n\n<li>evitare rischi di sicurezza<\/li>\n\n\n\n<li>gestire WordPress, Docker e applicazioni web<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ora conosci tutto ci\u00f2 che serve per lavorare con i permessi in modo sicuro e professionale.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Linux, uno degli aspetti fondamentali da comprendere sono i permessi dei file. Questi determinano chi pu\u00f2 leggere, scrivere o eseguire un file, e una gestione corretta dei permessi \u00e8 essenziale per evitare errori come \u201cPermission denied\u201d e per aumentare la sicurezza del sistema. Leggi la guida per scoprire di pi\u00f9.<\/p>\n","protected":false},"author":1,"featured_media":644,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[20,17,12,21,24,5,26],"class_list":["post-623","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux-guides","tag-comandi","tag-guida","tag-guide","tag-imparare","tag-learn","tag-linux","tag-terminale"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Linux base: i permessi [Lezione 3] - GCmadeitsimple<\/title>\n<meta name=\"description\" content=\"Scopri i permessi dei file in Linux e come gestirli per migliorare la sicurezza del tuo sistema e prevenire errori.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux base: i permessi [Lezione 3] - GCmadeitsimple\" \/>\n<meta property=\"og:description\" content=\"Scopri i permessi dei file in Linux e come gestirli per migliorare la sicurezza del tuo sistema e prevenire errori.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/\" \/>\n<meta property=\"og:site_name\" content=\"GCmadeitsimple\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-17T13:16:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-19T12:13:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/gcmadeitsimple.com\/wp-content\/uploads\/2025\/12\/linux_lessons_3.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1551\" \/>\n\t<meta property=\"og:image:height\" content=\"1020\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"gaetanocmr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Scritto da\" \/>\n\t<meta name=\"twitter:data1\" content=\"gaetanocmr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo di lettura stimato\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/index.php\\\/2025\\\/12\\\/17\\\/linux-base-permessi-lezione-3\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/index.php\\\/2025\\\/12\\\/17\\\/linux-base-permessi-lezione-3\\\/\"},\"author\":{\"name\":\"gaetanocmr\",\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/#\\\/schema\\\/person\\\/f5c4e7612bec2028676ee2a5fac19546\"},\"headline\":\"Linux base: i permessi [Lezione 3]\",\"datePublished\":\"2025-12-17T13:16:49+00:00\",\"dateModified\":\"2025-12-19T12:13:45+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/index.php\\\/2025\\\/12\\\/17\\\/linux-base-permessi-lezione-3\\\/\"},\"wordCount\":722,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/#\\\/schema\\\/person\\\/f5c4e7612bec2028676ee2a5fac19546\"},\"image\":{\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/index.php\\\/2025\\\/12\\\/17\\\/linux-base-permessi-lezione-3\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/gcmadeitsimple.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/linux_lessons_3.webp\",\"keywords\":[\"comandi\",\"guida\",\"guide\",\"imparare\",\"learn\",\"linux\",\"Terminale\"],\"articleSection\":[\"Linux\"],\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/gcmadeitsimple.com\\\/index.php\\\/2025\\\/12\\\/17\\\/linux-base-permessi-lezione-3\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/index.php\\\/2025\\\/12\\\/17\\\/linux-base-permessi-lezione-3\\\/\",\"url\":\"https:\\\/\\\/gcmadeitsimple.com\\\/index.php\\\/2025\\\/12\\\/17\\\/linux-base-permessi-lezione-3\\\/\",\"name\":\"Linux base: i permessi [Lezione 3] - GCmadeitsimple\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/index.php\\\/2025\\\/12\\\/17\\\/linux-base-permessi-lezione-3\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/index.php\\\/2025\\\/12\\\/17\\\/linux-base-permessi-lezione-3\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/gcmadeitsimple.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/linux_lessons_3.webp\",\"datePublished\":\"2025-12-17T13:16:49+00:00\",\"dateModified\":\"2025-12-19T12:13:45+00:00\",\"description\":\"Scopri i permessi dei file in Linux e come gestirli per migliorare la sicurezza del tuo sistema e prevenire errori.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/index.php\\\/2025\\\/12\\\/17\\\/linux-base-permessi-lezione-3\\\/#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/gcmadeitsimple.com\\\/index.php\\\/2025\\\/12\\\/17\\\/linux-base-permessi-lezione-3\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"it-IT\",\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/index.php\\\/2025\\\/12\\\/17\\\/linux-base-permessi-lezione-3\\\/#primaryimage\",\"url\":\"https:\\\/\\\/gcmadeitsimple.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/linux_lessons_3.webp\",\"contentUrl\":\"https:\\\/\\\/gcmadeitsimple.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/linux_lessons_3.webp\",\"width\":1551,\"height\":1020},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/index.php\\\/2025\\\/12\\\/17\\\/linux-base-permessi-lezione-3\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/gcmadeitsimple.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Linux base: i permessi [Lezione 3]\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/#website\",\"url\":\"https:\\\/\\\/gcmadeitsimple.com\\\/\",\"name\":\"GCmadeitsimple\",\"description\":\"Il sito per tecnologici dipendenti, che cercano guide, trucchi e conoscenza dal web e per il web\",\"publisher\":{\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/#\\\/schema\\\/person\\\/f5c4e7612bec2028676ee2a5fac19546\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/gcmadeitsimple.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"it-IT\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/#\\\/schema\\\/person\\\/f5c4e7612bec2028676ee2a5fac19546\",\"name\":\"gaetanocmr\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"it-IT\",\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/cropped-logo_transp.png\",\"url\":\"https:\\\/\\\/gcmadeitsimple.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/cropped-logo_transp.png\",\"contentUrl\":\"https:\\\/\\\/gcmadeitsimple.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/cropped-logo_transp.png\",\"width\":838,\"height\":838,\"caption\":\"gaetanocmr\"},\"logo\":{\"@id\":\"https:\\\/\\\/gcmadeitsimple.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/cropped-logo_transp.png\"},\"sameAs\":[\"http:\\\/\\\/130.110.3.245\"],\"url\":\"https:\\\/\\\/gcmadeitsimple.com\\\/index.php\\\/author\\\/gaetanocmr\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Linux base: i permessi [Lezione 3] - GCmadeitsimple","description":"Scopri i permessi dei file in Linux e come gestirli per migliorare la sicurezza del tuo sistema e prevenire errori.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/","og_locale":"it_IT","og_type":"article","og_title":"Linux base: i permessi [Lezione 3] - GCmadeitsimple","og_description":"Scopri i permessi dei file in Linux e come gestirli per migliorare la sicurezza del tuo sistema e prevenire errori.","og_url":"https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/","og_site_name":"GCmadeitsimple","article_published_time":"2025-12-17T13:16:49+00:00","article_modified_time":"2025-12-19T12:13:45+00:00","og_image":[{"width":1551,"height":1020,"url":"https:\/\/gcmadeitsimple.com\/wp-content\/uploads\/2025\/12\/linux_lessons_3.webp","type":"image\/webp"}],"author":"gaetanocmr","twitter_card":"summary_large_image","twitter_misc":{"Scritto da":"gaetanocmr","Tempo di lettura stimato":"5 minuti"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/#article","isPartOf":{"@id":"https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/"},"author":{"name":"gaetanocmr","@id":"https:\/\/gcmadeitsimple.com\/#\/schema\/person\/f5c4e7612bec2028676ee2a5fac19546"},"headline":"Linux base: i permessi [Lezione 3]","datePublished":"2025-12-17T13:16:49+00:00","dateModified":"2025-12-19T12:13:45+00:00","mainEntityOfPage":{"@id":"https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/"},"wordCount":722,"commentCount":0,"publisher":{"@id":"https:\/\/gcmadeitsimple.com\/#\/schema\/person\/f5c4e7612bec2028676ee2a5fac19546"},"image":{"@id":"https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/#primaryimage"},"thumbnailUrl":"https:\/\/gcmadeitsimple.com\/wp-content\/uploads\/2025\/12\/linux_lessons_3.webp","keywords":["comandi","guida","guide","imparare","learn","linux","Terminale"],"articleSection":["Linux"],"inLanguage":"it-IT","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/","url":"https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/","name":"Linux base: i permessi [Lezione 3] - GCmadeitsimple","isPartOf":{"@id":"https:\/\/gcmadeitsimple.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/#primaryimage"},"image":{"@id":"https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/#primaryimage"},"thumbnailUrl":"https:\/\/gcmadeitsimple.com\/wp-content\/uploads\/2025\/12\/linux_lessons_3.webp","datePublished":"2025-12-17T13:16:49+00:00","dateModified":"2025-12-19T12:13:45+00:00","description":"Scopri i permessi dei file in Linux e come gestirli per migliorare la sicurezza del tuo sistema e prevenire errori.","breadcrumb":{"@id":"https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/#breadcrumb"},"inLanguage":"it-IT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/"]}]},{"@type":"ImageObject","inLanguage":"it-IT","@id":"https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/#primaryimage","url":"https:\/\/gcmadeitsimple.com\/wp-content\/uploads\/2025\/12\/linux_lessons_3.webp","contentUrl":"https:\/\/gcmadeitsimple.com\/wp-content\/uploads\/2025\/12\/linux_lessons_3.webp","width":1551,"height":1020},{"@type":"BreadcrumbList","@id":"https:\/\/gcmadeitsimple.com\/index.php\/2025\/12\/17\/linux-base-permessi-lezione-3\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/gcmadeitsimple.com\/"},{"@type":"ListItem","position":2,"name":"Linux base: i permessi [Lezione 3]"}]},{"@type":"WebSite","@id":"https:\/\/gcmadeitsimple.com\/#website","url":"https:\/\/gcmadeitsimple.com\/","name":"GCmadeitsimple","description":"Il sito per tecnologici dipendenti, che cercano guide, trucchi e conoscenza dal web e per il web","publisher":{"@id":"https:\/\/gcmadeitsimple.com\/#\/schema\/person\/f5c4e7612bec2028676ee2a5fac19546"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/gcmadeitsimple.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"it-IT"},{"@type":["Person","Organization"],"@id":"https:\/\/gcmadeitsimple.com\/#\/schema\/person\/f5c4e7612bec2028676ee2a5fac19546","name":"gaetanocmr","image":{"@type":"ImageObject","inLanguage":"it-IT","@id":"https:\/\/gcmadeitsimple.com\/wp-content\/uploads\/2025\/10\/cropped-logo_transp.png","url":"https:\/\/gcmadeitsimple.com\/wp-content\/uploads\/2025\/10\/cropped-logo_transp.png","contentUrl":"https:\/\/gcmadeitsimple.com\/wp-content\/uploads\/2025\/10\/cropped-logo_transp.png","width":838,"height":838,"caption":"gaetanocmr"},"logo":{"@id":"https:\/\/gcmadeitsimple.com\/wp-content\/uploads\/2025\/10\/cropped-logo_transp.png"},"sameAs":["http:\/\/130.110.3.245"],"url":"https:\/\/gcmadeitsimple.com\/index.php\/author\/gaetanocmr\/"}]}},"_links":{"self":[{"href":"https:\/\/gcmadeitsimple.com\/index.php\/wp-json\/wp\/v2\/posts\/623","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gcmadeitsimple.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gcmadeitsimple.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gcmadeitsimple.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gcmadeitsimple.com\/index.php\/wp-json\/wp\/v2\/comments?post=623"}],"version-history":[{"count":8,"href":"https:\/\/gcmadeitsimple.com\/index.php\/wp-json\/wp\/v2\/posts\/623\/revisions"}],"predecessor-version":[{"id":645,"href":"https:\/\/gcmadeitsimple.com\/index.php\/wp-json\/wp\/v2\/posts\/623\/revisions\/645"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gcmadeitsimple.com\/index.php\/wp-json\/wp\/v2\/media\/644"}],"wp:attachment":[{"href":"https:\/\/gcmadeitsimple.com\/index.php\/wp-json\/wp\/v2\/media?parent=623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gcmadeitsimple.com\/index.php\/wp-json\/wp\/v2\/categories?post=623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gcmadeitsimple.com\/index.php\/wp-json\/wp\/v2\/tags?post=623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}