Category: Linux

Wildcard SSL Certs: Let’s Encrypt & Cloudflare

My servers have been using free Let’s Encrypt SSL certificates for some time now, but I was really excited to hear about support for wildcard SSL certificates in 2018. Wildcards are now available thus...

MongoDB Clustering for CentOS 7

A quick guide to installing a MongoDB cluster on CentOS 7 hosts. Network Configuration Install MongoDB First make sure the system is up to date and install the MongoDB binaries via the Mongo yum...

Syscoin Core 3.0 Build Scripts

Build Scripts Use the following commands to compile Syscoin 3.0 on a variety of operating systems. These scripts will prepare your system with the proper build tools and install the necessary libraries and source...

Syscoin Masternode Hot Wallet to Syscoin-Qt

Oh no! If you set up your Syscoin masternode with a hot wallet (by importing a private key for your collateral transaction) then you have put your syscoins at great risk! A flaw in...

Syscoin 3.0 Masternode Configuration

This is a setup guide for creating a Syscoin 3.0 Masternode. You will need a Virtual Private Server (VPS) from hosting providers such as Amazon EC2, DigitalOcean Droplets, Google Compute Engine, Microsoft Azure, Choopa,...

Nginx Configuration Monitor

I wanted a way to quickly distribute configuration files to my servers and have Nginx automatically reload. I found a solution for Debian servers and adapted it for CentOS 7 here. You will first...