Justin Silver Blog

ApplePostfixGmail

Send Emails on Mac OS X with Postfix and a Gmail Relay

A quick howto setup Mac OS X and Postfix to use Gmail as a relay. Everything will need to be executed as root using sudo. If you just need to send emails try running...

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Ignore node_modules in Dropbox

Node is notorious for generating a rather large number of files in the node_modules when running and npm install. I like to start my projects in Dropbox, which presents a problem with my computer...

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Install ClamAV + Maldet on CentOS 7

A quick guide for installing ClamAV and Maldet on CentOS 7 for malware scanning and quarantining. Install ClamAV Using the ClamAV malware library will speed up the scans performed by Maldet. Install Maldet You...

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Node.js + PM2 + Nginx + Redis on CentOS 7

This is a quick setup guide for the application stack I have been using recently. Most of my latest work has been a throwback to the first server-side programming I did in the 90’s...

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Slate Documentation Server on EC2 Amazon Linux

I was trying to setup the Slate API Documentation Server on an EC2 instance running Amazon Linux. When I fetch the git repository and attempted to install the dependencies using bundle install, it would...

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Update Onagofly Firmware on Mac OS X

It is possible to update the firmware on an Onagofly micro drone on Mac OS X using the QGroundControl software. The download for the software can be found here: http://qgroundcontrol.org/downloads. You will also need...

jenkins

Yum Install Jenkins as a Service on CentOS 7

I have previously written about how to Install Jenkins on CentOS as a Service where it was necessary to write your own startup, shutdown, configuration, and init.d scripts. Luckily this is all much easier...

letsencrypt

Letsencrypt: Free SSL Certificates for Nginx

I always wanted all of my sites to run over SSL, but it also didn’t seem worth the expense of buying certificates for all the domains I own. Enter Let’s Encrypt which offers free...

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Reconnect Bluetooth Devices After Waking From Sleep

My Macbook goes to sleep when I leave it idle for a few minutes which saves energy and locks the screen. Quite annoyingly – for a long time – upon waking up from sleep my...

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Dynamically Update /etc/hosts from Nginx

I wanted to guarantee that requests coming from one of my servers going to a domain they host are routed to localhost. The solution I arrived at was to generate a list of domains...