{"id":17995,"date":"2015-12-18T11:20:43","date_gmt":"2015-12-18T17:20:43","guid":{"rendered":"https:\/\/www.rosehosting.com\/blog\/?p=17995"},"modified":"2023-03-08T04:28:12","modified_gmt":"2023-03-08T10:28:12","slug":"how-to-install-expressjs-on-a-centos-vps","status":"publish","type":"post","link":"https:\/\/www.rosehosting.com\/blog\/how-to-install-expressjs-on-a-centos-vps\/","title":{"rendered":"How to install Express.js on CentOS"},"content":{"rendered":"<div id=\"bsf_rt_marker\"><\/div><p><img decoding=\"async\" class=\"alignnone size-full wp-image-25935\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2015\/12\/How-to-install-Express.js-on-CentOS.jpg\" alt=\"How to install Express.js on CentOS\" width=\"1200\" height=\"600\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2015\/12\/How-to-install-Express.js-on-CentOS.jpg 1200w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2015\/12\/How-to-install-Express.js-on-CentOS-150x75.jpg 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2015\/12\/How-to-install-Express.js-on-CentOS-300x150.jpg 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2015\/12\/How-to-install-Express.js-on-CentOS-768x384.jpg 768w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2015\/12\/How-to-install-Express.js-on-CentOS-1024x512.jpg 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2015\/12\/How-to-install-Express.js-on-CentOS-860x430.jpg 860w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2015\/12\/How-to-install-Express.js-on-CentOS-680x340.jpg 680w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2015\/12\/How-to-install-Express.js-on-CentOS-500x250.jpg 500w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2015\/12\/How-to-install-Express.js-on-CentOS-400x200.jpg 400w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2015\/12\/How-to-install-Express.js-on-CentOS-200x100.jpg 200w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2015\/12\/How-to-install-Express.js-on-CentOS-50x25.jpg 50w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>We&#8217;ll show you, how to install ExpressJS on CentOS. Express is a NodeJS web application framework. It provides robust set of features and can be used for building single-page, multi-page as well as hybrid web-based applications. Express is a part of the <a href=\"https:\/\/www.rosehosting.com\/blog\/install-mean-on-an-ubuntu-14-04\/\" target=\"_blank\" rel=\"noopener noreferrer\">MEAN stack<\/a> backend. Today we will show you how to install Express on a Linux VPS, running CentOS as an operating system, and create a sample project.<br \/>\n<!--more--><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-662c46049db8e\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-662c46049db8e\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-expressjs-on-a-centos-vps\/#1-Update-the-system\" title=\"1. Update the system\">1. Update the system<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-expressjs-on-a-centos-vps\/#2-Install-required-dependencies\" title=\"2. Install required dependencies\">2. Install required dependencies<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-expressjs-on-a-centos-vps\/#3-Download-Nodejs\" title=\"3. Download Node.js\">3. Download Node.js<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-expressjs-on-a-centos-vps\/#4-Extract-the-archive-and-install-Nodejs\" title=\"4. Extract the archive and install Node.js\">4. Extract the archive and install Node.js<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-expressjs-on-a-centos-vps\/#5-Install-Expressjs\" title=\"5. Install Express.js\">5. Install Express.js<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-expressjs-on-a-centos-vps\/#6-Create-new-system-user-and-log-in\" title=\"6. Create new system user and log in\">6. Create new system user and log in<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-expressjs-on-a-centos-vps\/#7-Set-up-your-first-project\" title=\"7. Set up your first project\">7. Set up your first project<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-expressjs-on-a-centos-vps\/#8-Start-your-application\" title=\"8. Start your application\">8. Start your application<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1-Update-the-system\"><\/span>1. Update the system<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>First of all, you need to connect to your server via SSH and upgrade all your system software to the latest version available by executing the following command:<\/p>\n<pre>yum -y update<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"2-Install-required-dependencies\"><\/span>2. Install required dependencies<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Since we are going to install NodeJS from source, you will need to install all the required dependencies on your server. For that purpose you can use the following command:<\/p>\n<pre>yum -y groupinstall \"Development Tools\"<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"3-Download-Nodejs\"><\/span>3. Download Node.js<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Next, go ahead and download the <a href=\"https:\/\/nodejs.org\/download\/\">latest stable release of\u00a0 NodeJS<\/a>. We are going to download node-v0.12.7.<\/p>\n<pre>wget https:\/\/nodejs.org\/download\/release\/latest-v0.12.x\/node-v0.12.7.tar.gz<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"4-Extract-the-archive-and-install-Nodejs\"><\/span>4. Extract the archive and install Node.js<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Once NodeJS is downloaded on your<a href=\"https:\/\/www.rosehosting.com\/centos-hosting.html\" target=\"_blank\" rel=\"noopener noreferrer\"> CentOS VPS<\/a>, you can move on to the next step. To extract the archive and install NodeJS from source execute the following commands one by one:<\/p>\n<pre>tar -xzvf node-v0.12.7.tar.gz\r\ncd node-v0.12.7\r\n.\/configure\r\nmake\r\nmake install<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"5-Install-Expressjs\"><\/span>5. Install Express.js<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The installation of NodeJS could take a few minutes. After the installation is completed, you can continue and install Express.js. Run the following command:<\/p>\n<pre>npm install -g express express-generator<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"6-Create-new-system-user-and-log-in\"><\/span>6. Create new system user and log in<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Once you are done, create a new system user.<\/p>\n<pre>useradd expressuser\r\npasswd expressuser\r\n<\/pre>\n<p>Log out from your system and log in again using the newly created system user.<\/p>\n<p>To ensure that you are logged as the newly created system user you can run the command:<\/p>\n<pre>whoami<\/pre>\n<p>Create a directory for your first Express project and navigate to that directory:<\/p>\n<pre>mkdir first_project\r\ncd first_project\/\r\n<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"7-Set-up-your-first-project\"><\/span>7. Set up your first project<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To set up your first project, run the following command:<\/p>\n<pre>express<\/pre>\n<p>And then:<\/p>\n<pre>npm install<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"8-Start-your-application\"><\/span>8. Start your application<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The last thing you need to do is to start your application and access it using a web browser. For that purpose, you can execute the following command:<\/p>\n<pre>node .\/bin\/www &amp;<\/pre>\n<p>Congratulations, you have successfully set up your first Express application. By default, your Express application should listen on port 3000. Therefore, open your favorite web browser and navigate to:<\/p>\n<pre>http:\/\/111.111.111.111:3000<\/pre>\n<p>Please note, you need to replace 111.111.111.111 with the actual IP address of your CentOS VPS. If you are not sure what the IP address of your server is, you can execute the following command to find it out:<\/p>\n<pre>ip addr show<\/pre>\n<p>A good way to start using Express is to visit the <a href=\"http:\/\/expressjs.com\/\">official Express website<\/a>. There you can find more information about how to use this NodeJS web application framework to build single-page, multi-page or hybrid web applications.<\/p>\n<p>Of course you don\u2019t have to\u00a0install Express.js on CentOS if you use one of our <a href=\"https:\/\/www.rosehosting.com\/centos-hosting.html\">CentOS Optimized VPS hosting services<\/a>, in which case you can simply ask our expert Linux admins to install Node.js and Express.js for you. They are available 24\u00d77 and will take care of your request immediately.<\/p>\n<p>PS. If you liked this post, on how to install Express.js on CentOS, please share it with your friends on social networks or simply leave a reply below. Thanks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We&#8217;ll show you, how to install ExpressJS on CentOS. Express is a NodeJS web application framework. It provides robust set &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"How to install Express.js on CentOS\" class=\"read-more button\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-expressjs-on-a-centos-vps\/#more-17995\" aria-label=\"Read more about How to install Express.js on CentOS\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":25935,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1699,13,1712],"tags":[469,946,947],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to install Express.js on CentOS - RoseHosting<\/title>\n<meta name=\"description\" content=\"How to install Express.js on CentOS - RoseHosting\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-expressjs-on-a-centos-vps\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to install Express.js on CentOS - 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