Last week our team attended Black Hat and DefCon in Las Vegas, two of the biggest information security conferences on earth. DefCon alone attracts approximately 20,000 information security professionals, researchers, government employees and fans. To say…

Learn how to automatically issue tasks in your Git repository with IFTTT when an execution fails in Buddy.

Duo Labs analyzes npm packages and how attackers can use malicious packages to gain access to and control over systems.

A Simple Autocomplete Index Project

Written pieces, talks, and other bits by Zach Holman.

Espresso is LinkedIn's strategic distributed, fault-tolerant NoSQL database that powers many LinkedIn services. Espresso has a large production footprint at LinkedIn, with close to a hundred clusters in use, storing about 420 terabytes of Source of Truth…

I see posts and hear conversations quite frequently about MongoDB performance issues. They are a frequent, and hot, topic on sites like Quora, Hacker News, and Reddit. Many of these "hits" against MongoDB are based on outdated data and older versions of MongoDB.…

A case study in how Google monitors its complex systems.

MyCLI is a very easy-to-use command line (CLI) command line interface for the popular relational database management systems MySQL, MariaDB, and Percona which supports auto-completion and syntax…

A key part of keeping your MySQL database running smoothly is the regular monitoring of performance metrics.  In fact, there are literally hundreds

I've recently wrote about how I migrated my static website from a VPS to a serverless stack, it went great.. until the morning after.

Automating Docker Swarm cluster operations with Terraform Scaleway provider

Cindy Sridharan’s fantastic article on why everyone is not ops makes you rethink of the relationship between your development and…

Working as a web freelancer I am interested in how different frameworks and technologies perform, but the majority of the benchmarks found…

This post shows how to set up multiple websites running behind a dockerized Nginx reverse proxy and served via HTTPS using free Let’s Encrypt certificates. N...

Learn to use Nginx 1.9.* to load balance TCP traffic. In this case, we'll setup SSL Passthrough to pass SSL traffic received at the load balancer onto the web servers.

The math behind IP addresses is convoluted. Our nice IPv4 addresses start out as 32-bit binary numbers, which are then converted to base 10 numbers in four 8-bit fields. Decimal numbers are easier to manage than long binary strings; still, calculating address…