{"id":2390,"date":"2024-11-28T13:13:06","date_gmt":"2024-11-28T12:13:06","guid":{"rendered":"https:\/\/alessandromasciadri.com\/?p=2390"},"modified":"2024-11-28T13:16:16","modified_gmt":"2024-11-28T12:16:16","slug":"come-cambiare-il-server-dns-su-ubuntu","status":"publish","type":"post","link":"https:\/\/alessandromasciadri.com\/come-cambiare-il-server-dns-su-ubuntu\/","title":{"rendered":"Come cambiare il server DNS su Ubuntu"},"content":{"rendered":"\t\t<div data-akihiro-type=\"ama-post\" data-akihiro-id=\"2390\" class=\"akihiro akihiro-2390\" data-akihiro-post-type=\"post\">\n\t\t\t\t<div class=\"akihiro-element akihiro-element-779d93f e-flex e-con-boxed e-con e-parent\" data-id=\"779d93f\" 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-5fa14e4 akihiro-widget akihiro-widget-text-editor\" data-id=\"5fa14e4\" 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>Cambiare il server DNS usato da Ubuntu \u00e8 un&#8217;operazione piuttosto semplice, ma che comunque deve essere condotta con attenzione. Vediamo quindi in questo articolo come cambiare il server DNS su Ubuntu.<\/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-ce70df8 akihiro-widget akihiro-widget-heading\" data-id=\"ce70df8\" 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\">Verificare la configurazione DNS corrente<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-ef5359e akihiro-widget akihiro-widget-text-editor\" data-id=\"ef5359e\" 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>Un primo buon passaggio \u00e8 sempre quello di controllare la configurazione applicata al proprio sistema. Per visualizzare i server DNS correntemente impostati lanciamo questo 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-a3e1d9e akihiro-widget akihiro-widget-code-highlight\" data-id=\"a3e1d9e\" 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-tomorrow 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>systemd-resolve --status<\/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-05fc8a5 akihiro-widget akihiro-widget-text-editor\" data-id=\"05fc8a5\" 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 le versioni <strong>precedenti a Ubuntu 20.04<\/strong> possiamo invece 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-82433ab akihiro-widget akihiro-widget-code-highlight\" data-id=\"82433ab\" 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-tomorrow 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>resolvectl status<\/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-64111e4 akihiro-widget akihiro-widget-text-editor\" data-id=\"64111e4\" 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>Tra l&#8217;output ottenuto troveremo qualcosa simile al seguente:<\/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-1a0a9a6 akihiro-widget akihiro-widget-code-highlight\" data-id=\"1a0a9a6\" 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-default copy-to-clipboard \">\n\t\t\t<pre data-line=\"\" class=\"highlight-height language- \">\n\t\t\t\t<code readonly=\"true\" class=\"language-\">\n\t\t\t\t\t<xmp>Link 2 (wlp0s20f3)\n      Current Scopes: DNS        \nDefaultRoute setting: yes        \n       LLMNR setting: yes        \nMulticastDNS setting: no         \n  DNSOverTLS setting: no         \n      DNSSEC setting: no         \n    DNSSEC supported: no         \n  Current DNS Server: 192.168.1.1\n         DNS Servers: 192.168.1.1\n          DNS Domain: ~.         \n                      --<\/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-171e3a4 akihiro-widget akihiro-widget-text-editor\" data-id=\"171e3a4\" 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>Come si evince, nel mio caso, il DNS \u00e8 l&#8217;IP locale 192.168.1.1. Vediamo quindi nei punti successivi come cambiarlo.<\/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-09b7c58 akihiro-widget akihiro-widget-heading\" data-id=\"09b7c58\" 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\">Cambiare temporaneamente il DNS<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-e2247ae akihiro-widget akihiro-widget-text-editor\" data-id=\"e2247ae\" 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>Nel caso si voglia eseguire una modifica volatile del proprio DNS resolver, possiamo procedere nel seguente modo. Apriamo con permessi di root il file <code>\/etc\/resolv.conf<\/code><\/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-8ab8db7 akihiro-widget akihiro-widget-code-highlight\" data-id=\"8ab8db7\" 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-tomorrow 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>sudo vi \/etc\/resolv.conf<\/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-de25e0c akihiro-widget akihiro-widget-text-editor\" data-id=\"de25e0c\" 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>Cerchiamo la riga <code>nameserver 127.0.0.53<\/code> e commentiamola per poi aggiungere un paio di nuove righe con i nuovi server DNS che vogliamo utilizzare<\/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-ce58201 akihiro-widget akihiro-widget-code-highlight\" data-id=\"ce58201\" 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-tomorrow copy-to-clipboard \">\n\t\t\t<pre data-line=\"\" class=\"highlight-height language- \">\n\t\t\t\t<code readonly=\"true\" class=\"language-\">\n\t\t\t\t\t<xmp># nameserver 127.0.0.53\nnameserver 1.1.1.2\nnameserver 1.0.0.2<\/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-5ec218d akihiro-widget akihiro-widget-text-editor\" data-id=\"5ec218d\" 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>La prima riga corrisponde al DNS primario, mentre la seconda al DNS secondario. Salviamo le modifiche fatte e procediamo alla verifica della nuova configurazione. Lanciamo il seguente comando e controlliamo che il DNS utilizzato sia effettivamente quello che abbiamo impostato:<\/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-059b1ae akihiro-widget akihiro-widget-code-highlight\" data-id=\"059b1ae\" 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-tomorrow 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>dig google.com | grep SERVER<\/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-5999e14 akihiro-widget akihiro-widget-text-editor\" data-id=\"5999e14\" 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>In risposta dobbiamo ottenere il seguente output<\/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-619dc2e akihiro-widget akihiro-widget-code-highlight\" data-id=\"619dc2e\" 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-default copy-to-clipboard \">\n\t\t\t<pre data-line=\"\" class=\"highlight-height language- \">\n\t\t\t\t<code readonly=\"true\" class=\"language-\">\n\t\t\t\t\t<xmp>;; SERVER: 1.1.1.2#53(1.1.1.2) (UDP)<\/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-1f18ed0 akihiro-widget akihiro-widget-text-editor\" data-id=\"1f18ed0\" 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 dopo aver modificato il server DNS si vuole tornare alla precedente configurazione \u00e8 sufficiente un riavvio della macchina oppure si pu\u00f2 modificare il file <code>\/etc\/resolv.conf<\/code> rimuovendo le due righe aggiunte e decommentando la riga di default.<\/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-50e7f7f akihiro-widget akihiro-widget-heading\" data-id=\"50e7f7f\" 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\">Cambiare permanentemente il DNS<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-edb7483 akihiro-widget akihiro-widget-text-editor\" data-id=\"edb7483\" 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>Dopo aver modificato temporaneamente il server DNS e si \u00e8 soddisfatti del risultato, si pu\u00f2 rendere permanente la modifica usando uno dei seguenti modi.<\/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-b07a7ea akihiro-widget akihiro-widget-heading\" data-id=\"b07a7ea\" 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<h5 class=\"akihiro-heading-title akihiro-size-default\">Metodo 1: Uso del package resolvconf<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-a9f5af0 akihiro-widget akihiro-widget-text-editor\" data-id=\"a9f5af0\" 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>Possiamo installare il seguente package che ci aiuter\u00e0 nel rendere definitiva la modifica del nostro DNS. Procediamo quindi alla sua installazione:<\/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-0018bcd akihiro-widget akihiro-widget-code-highlight\" data-id=\"0018bcd\" 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-tomorrow 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>sudo apt install resolvconf<\/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-c244478 akihiro-widget akihiro-widget-text-editor\" data-id=\"c244478\" 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>Una volta installato modifichiamo il file <code>\/etc\/resolvconf\/resolv.conf.d\/head<\/code><\/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-200e63d akihiro-widget akihiro-widget-code-highlight\" data-id=\"200e63d\" 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-tomorrow 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>sudo vi \/etc\/resolvconf\/resolv.conf.d\/head<\/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-00b77fb akihiro-widget akihiro-widget-text-editor\" data-id=\"00b77fb\" 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>Aggiungiamo quindi le due righe di configurazione che definiscono i server DNS che vogliamo utilizzare:<\/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-822227b akihiro-widget akihiro-widget-code-highlight\" data-id=\"822227b\" 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-tomorrow copy-to-clipboard \">\n\t\t\t<pre data-line=\"\" class=\"highlight-height language- \">\n\t\t\t\t<code readonly=\"true\" class=\"language-\">\n\t\t\t\t\t<xmp>nameserver 1.1.1.2\nnameserver 1.0.0.2<\/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-bf675c8 akihiro-widget akihiro-widget-text-editor\" data-id=\"bf675c8\" 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>Una volta fatto ci\u00f2 non ci resta che avviare il servizio <code>resolvconf.service<\/code><\/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-3ab38da akihiro-widget akihiro-widget-code-highlight\" data-id=\"3ab38da\" 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-tomorrow 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>sudo systemctl enable --now resolvconf.service<\/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-816715c akihiro-widget akihiro-widget-text-editor\" data-id=\"816715c\" 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>Fatto, possiamo goderci i nostri nuovi DNS.<\/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-1db64eb akihiro-widget akihiro-widget-heading\" data-id=\"1db64eb\" 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<h5 class=\"akihiro-heading-title akihiro-size-default\">Metodo 2: Modifica del file YAML usato da Netplan<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"akihiro-element akihiro-element-8be17ee akihiro-widget akihiro-widget-text-editor\" data-id=\"8be17ee\" 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\tIn questo caso agiamo direttamente modificando il file YAML che usa Netplan per applicare la configurazione di rete. Il file si trova nella directory <code>\/etc\/netplan\/<\/code>, ma il nome del file differisce da sistema a sistema. Nel mio caso apro il file con il seguente comando:\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-af6ef25 akihiro-widget akihiro-widget-code-highlight\" data-id=\"af6ef25\" 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-tomorrow 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>sudo vi \/etc\/netplan\/01-network-manager-all.yaml<\/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-95ea5c9 akihiro-widget akihiro-widget-text-editor\" data-id=\"95ea5c9\" 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>Applichiamo quindi una configurazione simile alla seguente, premurandosi di modificare opportunamente il nome dell&#8217;interfaccia di rete:<\/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-11050ec akihiro-widget akihiro-widget-code-highlight\" data-id=\"11050ec\" 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-default copy-to-clipboard \">\n\t\t\t<pre data-line=\"\" class=\"highlight-height language- \">\n\t\t\t\t<code readonly=\"true\" class=\"language-\">\n\t\t\t\t\t<xmp>network:\n  ethernets:\n    wlp0s20f3:\n      dhcp4: true\n      nameservers:\n        addresses: [1.1.1.2, 1.0.0.2]\n  version: 2<\/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-4db38a0 akihiro-widget akihiro-widget-text-editor\" data-id=\"4db38a0\" 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>Una volta fatto salviamo le modifiche al file e applichiamo la configurazione col 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-c3a69a8 akihiro-widget akihiro-widget-code-highlight\" data-id=\"c3a69a8\" 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-tomorrow 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>sudo netplan apply<\/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-c8bbed4 akihiro-widget akihiro-widget-text-editor\" data-id=\"c8bbed4\" 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>Fatto, anche in questo caso i server DNS sono stati permanentemente cambiati.<\/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>Cambiare il server DNS usato da Ubuntu \u00e8 un&#8217;operazione piuttosto semplice, ma che comunque deve essere condotta con attenzione. Vediamo quindi in questo articolo come cambiare il server DNS su Ubuntu. Verificare la configurazione DNS corrente Un primo buon passaggio \u00e8 sempre quello di controllare la configurazione applicata al proprio sistema. Per visualizzare i server [&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":[46,20,19],"class_list":["post-2390","post","type-post","status-publish","format-standard","hentry","category-sistemistica","tag-dns","tag-linux","tag-ubuntu"],"_links":{"self":[{"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/posts\/2390","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=2390"}],"version-history":[{"count":4,"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/posts\/2390\/revisions"}],"predecessor-version":[{"id":2394,"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/posts\/2390\/revisions\/2394"}],"wp:attachment":[{"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/media?parent=2390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/categories?post=2390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alessandromasciadri.com\/ama-json\/wp\/v2\/tags?post=2390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}