$ sudo firewall-cmd -zone=public -add-port=3000/tcp Section 2 – Write your Express “Hello World” script Step 1 – Initialize Express If you’re using CentOS for your virtual server, allow port 3000 through firewalld. If you’re using Ubuntu for your virtual server, allow port 3000 through the Uncomplicated Firewall (UFW). Step 5- Allow port 3000 through Your VPS’s firewall Now you’re ready to get started with your web server application.
Install Express in the serverapp directory. Is this ok? (yes) yes Step 4 – Install Express.js "test": "echo \"Error: no test specified\" & exit 1" Save it as a dependency in the package.json file.Ībout to write to /home/marmot/serverapp/package.json: Use `npm install ` afterwards to install a package and See `npm help json` for definitive documentation on these fields and exactly what they do. It only covers the most common items and tries to guess sensible defaults. This utility will walk you through creating a package.json file. Hit return to accept the defaults for these questions. Accept the defaults, entering “Simple Web Server” when prompted for a project description. In the server app directory, run the npm init utility. Then, change directories into the directory you created. If you haven’t yet installed Node.js, see įirst, create a directory for this application. $ yum clean all Step 2 – Create a directory for your project
If you use CentOS, then update and upgrade your packages. If you use Ubuntu, update your package index, so you get newer versions of packages you install. Section 1 – Install Express.js and prepare a project Step 1 – Update your package index
Look for these 1-click installs in the plan you purchase to save valuable time. Special Note: some leading VPS hosting services provide easy 1-click installations of software like node.js or Express.js. That is, you don’t have to reinvent the wheel. Express abstracts away quite a bit of the coding necessary for the backend of an application, making it much easier and more efficient to develop applications. Node.js is the N and Express.js is the E in the MEAN Stack, one of the most popular Web Stacks for VPS hosting.Įxpress.js is the most popular Node.js web application framework.