Justin Silver

Justin Silver Blog

Linux / Technology

Github + Multiple Repository SSH Deploy Keys

I use Jenkins for CD/CI, but was running into the issue of deleted files not being removed from the target server. My solution to this issue was to only use Jenkins to generate the...

OSX

Reinstall All Homebrew Packages

After upgrading to OS X Sierra I was unable to start MariaDB (or MySQL). Long story short, I ended up rebuilding openssl which fixed the signal 4 error, likely due to changes in the...

Linux

LEMP: CentOS 7, Nginx PHP7, and Redis for WordPress

Scripts to setup a WordPress server on CentOS 7 with Nginx, PHP/PHP-FPM 7, Redis and more. Firewalld – allow only HTTP/S and SSH traffic Letsencrypt – free SSL certificates Yum Cron – keep system...

OSX

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...

OSX

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...

Linux

Install ClamAV + Maldet on CentOS 7

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

Linux / Technology

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...

Linux

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...

Technology

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...

Linux

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...

Linux

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...