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Amazon Linux is a distribution that evolved from Red Hat Enterprise Linux (RHEL) and CentOS. It is available for use within Amazon EC2: it comes with all the tools needed to interact with Amazon APIs, is optimally configured for the Amazon Web Services ecosystem, and Amazon provides ongoing support and updates. You should not use this distribution for your EC2 instances, however, as the convenienc

A Mailserver on Ubuntu 14.04: Postfix, Dovecot, MySQL This long post contains a recipe for building a reasonably secure Ubuntu 14.04 mail server in Amazon Web Services, using Postfix, Dovecot, and MySQL, with anti-spam packages in the form of amavisd-new, Clam AntiVirus, SpamAssassin, and Postgrey. Local users are virtual rather than being system users. Administration of users and domains is achie

There are a wide range of methods to set up a Node.js process as a service on Linux, with little consensus on a standard at this point. That's fine - Node.js is still a long way away from staid maturity and the era in a technology's development in which people settle on the two or three standard ways of solving a given problem. Here, I'll outline one of my presently preferred ways of setting up a

Node.js and Forever as a Service: Simple Upstart and Init Scripts for Ubuntu Forever is a useful tool for running a Node.js process with monitoring; it can be set to restart a failed process, and has a few other helpful features along the same lines. In this post you'll find a couple of exceedingly simple scripts for running a Node.js process as a service on Ubuntu using Forever. One thing I've fo

Back before Nginx introduced support for websockets in version 1.3 I wrote a couple of posts to outline how to serve both SSL-encrypted websocket and web traffic on the same port and same server with Node.js in the back end and either an HAProxy or Varnish and Stunnel front end. The typical scenario here is that you are setting up servers for a single page web application that uses Express.js to s

There are a wide range of methods to set up a Node.js process as a service on Linux, with little consensus on a standard at this point. That's fine - Node.js is still a long way away from staid maturity and the era in a technology's development in which people settle on the two or three standard ways of solving a given problem. Here, I'll outline one of my presently preferred ways of setting up a

There are a wide range of methods to set up a Node.js process as a service on Linux, with little consensus on a standard at this point. That's fine - Node.js is still a long way away from staid maturity and the era in a technology's development in which people settle on the two or three standard ways of solving a given problem. Here, I'll outline one of my presently preferred ways of setting up a