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Practical notes on infrastructure, software, leadership, and the technology decisions that shape real work.
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A refreshed archive of technical posts, troubleshooting notes, and implementation walkthroughs.
Cloudflare Origin CA certificates are useful when your origin server only receives traffic through proxied Cloudflare records. They encrypt traffic between Cloudflare and your…
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When you are automating Cloudflare tasks, it is useful to confirm that your credentials work before running a larger script. This small PowerShell script…
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I ran into a simple Amazon S3 naming mistake that created a much more confusing SSL problem: I added .com to an S3 bucket…
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Moving files between Amazon S3 buckets is usually simple when the same AWS account owns everything. It gets a little more annoying when the…
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UFW, short for Uncomplicated Firewall, is a simple firewall management tool for Ubuntu. It is a good fit for web servers because the usual…
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When Nginx receives a request for an unknown domain, it may serve the first enabled site if there is no explicit default server. On…
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Redis is often used as a local object cache for WordPress and other web applications. It can reduce repeated database work by keeping frequently…
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MySQL is a common database choice for WordPress and many PHP applications. On Ubuntu, you can install it from the default package repositories and…
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PHP-FPM is the usual way to run PHP behind Nginx on Ubuntu. It gives you a long-running PHP process manager instead of starting PHP…
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Nginx is a fast web server and reverse proxy that is commonly used for WordPress, PHP apps, static sites, APIs, and load-balanced web services….
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