DevOps & System Administration

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DevOps & System Admin.

Managing AWS CloudFront Security Group with AWS Lambda

There's no pre-built security group to allow inbound traffic from CloudFront, so I made an AWS Lambda function to periodically update our security group.

DevOps & System Admin.

Bash Completion, Part 2: Programmable Completion

Bash programmable completion lets you create your own custom completion functions – scripts that allow you to tab-complete arguments for specific commands.

DevOps & System Admin.

Bash Completion, Part 1: Using Tab Completion

Using the tab key to automatically complete unambiguous commands and paths in Bash.

DevOps & System Admin.

SSL Certificate Expiration Checker

To prevent an SSL certificate expiration, I wrote an application that checks the certificates and ensures that they remain valid.

DevOps & System Admin.

Distributing Command Line Tools with Docker

Using Docker to distribute command line tools with complex dependencies in a portable way.

DevOps & System Admin.

Linux Utilities for Diagnostics

Linux utilities that make it easier to quickly pinpoint issues when investigating and resolving problems on Linux and other Unix-like systems.

DevOps & System Admin.

Docker Basics for Local Development

Docker can also be a very useful tool for local development, especially when it comes to making repeatable builds and environments faster and easier.

DevOps & System Admin.

Recovering from Corrupt Revisions in an SVN Repository

Corrupt revisions in a SVN repository is bad news. However, data loss may be able to be minimized, or at least better defined, using svnadmin tools.

DevOps & System Admin.

Configuring Per-Locale Font Selection with FontConfig

During a recent project, one of my primary goals was to enable good localization across the globe.

DevOps & System Admin.

DNS Record History – A Tool for Restoring DNS Records

I created DNS Record History to track and store any changes to DNS records, which can be helpful for restoring lost DNS records.

DevOps & System Admin.

Commandline Craft: Creating a Craft Console Plugin

How to create Craft console plugins to ease Craft automation from bash scripts, deployment scripts, and cron jobs.

DevOps & System Admin.

How to Archive a Website

Sometimes, it's necessary to create an archive of a website for offline viewing. We use HTTrack to preserve our old website when we launched our new one.

DevOps & System Admin.

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