{"id":14013,"date":"2020-02-08T14:56:50","date_gmt":"2020-02-08T13:56:50","guid":{"rendered":"https:\/\/www.datanovia.com\/en\/?post_type=dt_lessons&#038;p=14013"},"modified":"2020-02-08T15:22:00","modified_gmt":"2020-02-08T14:22:00","slug":"how-to-create-a-subdomain-on-digitalocean","status":"publish","type":"dt_lessons","link":"https:\/\/www.datanovia.com\/en\/lessons\/how-to-create-a-subdomain-on-digitalocean\/","title":{"rendered":"How to Create a Subdomain on DigitalOcean"},"content":{"rendered":"<div id=\"rdoc\">\n<p>You will learn how how to <strong>create or add a subdomain on DigitalOcean<\/strong> servers.<\/p>\n<p>Contents:<\/p>\n<div id=\"TOC\">\n<ul>\n<li><a href=\"#prerequisites\">Prerequisites<\/a><\/li>\n<li><a href=\"#step-1-create-an-a-record-for-the-subdomain\">Step 1: Create an \u2018A\u2019 record for the subdomain<\/a><\/li>\n<li><a href=\"#step-2-create-subdomain-directory-and-index-file\">Step 2: Create subdomain directory and index file<\/a><\/li>\n<li><a href=\"#step-3-create-nginx-server-block-for-the-subdomain\">Step 3: Create NGINX server block for the subdomain<\/a><\/li>\n<li><a href=\"#step-4-add-ssl-certificate-for-security\">Step 4: Add SSL certificate for security<\/a><\/li>\n<li><a href=\"#step-5-access-to-the-subdomain\">Step 5: Access to the subdomain<\/a><\/li>\n<li><a href=\"#references\">References<\/a><\/li>\n<\/ul>\n<\/div>\n<div id=\"prerequisites\" class=\"section level2\">\n<h2>Prerequisites<\/h2>\n<p>You have read the following tutorial:<\/p>\n<ul>\n<li><a href=\"\/?p=14008\">DigitalOcean Initial Ubuntu Server Setup<\/a><\/li>\n<li><a href=\"\/?p=14011\">DigitalOcean: How To Install Nginx and SSL<\/a><\/li>\n<\/ul>\n<p>Example of the subdomain used in this tutorial: apps.example.com<\/p>\n<\/div>\n<div id=\"step-1-create-an-a-record-for-the-subdomain\" class=\"section level2\">\n<h2>Step 1: Create an \u2018A\u2019 record for the subdomain<\/h2>\n<ol style=\"list-style-type: decimal;\">\n<li>Go to your DNS settings page and open the records where you have main domain DNS settings.<\/li>\n<li>Now add an <code>A<\/code> record with subdomain in <code>Enter Name<\/code> field (only add subdomain part. For example if you are going to create a subdomain <code>apps.example.com<\/code> then only enter <code>apps<\/code> and in the IP address field, enter the droplet IP.<\/li>\n<\/ol>\n<\/div>\n<div id=\"step-2-create-subdomain-directory-and-index-file\" class=\"section level2\">\n<h2>Step 2: Create subdomain directory and index file<\/h2>\n<p>Create the subdomain and add the index file:<\/p>\n<pre class=\"bash\"><code>subdomain_dir=\/var\/www\/apps.example.com\r\n# Create directory\r\nsudo mkdir $subdomain_dir\r\n# Create index.html\r\nsudo touch $subdomain_dir\/index.html<\/code><\/pre>\n<p>Edit the index file content as you want. The content looks like this:<\/p>\n<pre class=\"html\"><code>&lt;!DOCTYPE html&gt;\r\n&lt;html&gt;\r\n&lt;head&gt;\r\n&lt;title&gt;Welcome to Example Appstore!&lt;\/title&gt;\r\n&lt;style&gt;\r\n    body {\r\n        width: 35em;\r\n        margin: 0 auto;\r\n        font-family: Tahoma, Verdana, Arial, sans-serif;\r\n    }\r\n&lt;\/style&gt;\r\n&lt;\/head&gt;\r\n&lt;body&gt;\r\n&lt;h1&gt;Welcome to Example Appstore!&lt;\/h1&gt;\r\n&lt;p&gt;This site is under active development.&lt;\/p&gt;\r\n\r\n&lt;h2&gt;Related Websites&lt;\/h2&gt;\r\n&lt;a href = \"https:\/\/www.datanovia.com\"&gt;Datanovia&lt;\/a&gt;&lt;br\/&gt;\r\n&lt;\/body&gt;\r\n&lt;\/html&gt;<\/code><\/pre>\n<\/div>\n<div id=\"step-3-create-nginx-server-block-for-the-subdomain\" class=\"section level2\">\n<h2>Step 3: Create NGINX server block for the subdomain<\/h2>\n<p>This enables the subdomain in the NGINX server.<\/p>\n<pre class=\"bash\"><code># 1. Copy the default config for the new subdomaine\r\nmysubdomain=\"apps.example.com\"\r\nsudo cp \/etc\/nginx\/sites-available\/default \/etc\/nginx\/sites-available\/$mysubdomain\r\nsudo ln -s \/etc\/nginx\/sites-available\/$mysubdomain \/etc\/nginx\/sites-enabled\/$mysubdomain\r\n  \r\n# 2. Open the config file\r\nsudo nano \/etc\/nginx\/sites-available\/$mysubdomain\r\n  \r\n# 3. Edit the file\r\n# The content should look something like this\r\nserver {\r\n        listen 80;\r\n        listen [::]:80;\r\n        root \/var\/www\/apps;\r\n        index index.html;\r\n        server_name apps.example.com;\r\n}\r\n  \r\n# 4. Restart NGINX\r\nsudo service nginx restart<\/code><\/pre>\n<\/div>\n<div id=\"step-4-add-ssl-certificate-for-security\" class=\"section level2\">\n<h2>Step 4: Add SSL certificate for security<\/h2>\n<pre class=\"bash\"><code># Obtain an SSL Certificate\r\nsudo certbot --nginx -d $mysubdomain<\/code><\/pre>\n<\/div>\n<div id=\"step-5-access-to-the-subdomain\" class=\"section level2\">\n<h2>Step 5: Access to the subdomain<\/h2>\n<p>Go to: apps.example.com<\/p>\n<\/div>\n<div id=\"references\" class=\"section level2\">\n<h2>References<\/h2>\n<p><a href=\"https:\/\/hackprogramming.com\/how-to-setup-subdomain-or-host-multiple-domains-using-nginx-in-linux-server\/\">How to setup subdomain or host multiple domains using nginx in linux server<\/a><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>You will learn how how to create or add a subdomain on DigitalOcean servers.<\/p>\n","protected":false},"author":1,"featured_media":9120,"parent":0,"menu_order":10,"comment_status":"open","ping_status":"closed","template":"","class_list":["post-14013","dt_lessons","type-dt_lessons","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - 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