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Server Operations

By Greg Nowak , 19 May, 2026
Illustrated infographic summarizing: NGINX 1.30 changed upstream connection reuse: what to check before you upgrade

NGINX 1.30 changed upstream connection reuse: what to check before you upgrade

NGINX 1.30 reuses upstream HTTP connections by default. Audit legacy backends, inherited configuration and monitoring before you upgrade.

Tags

  • Nginx
  • backend compatibility
  • Performance
  • Server Operations
By Greg Nowak , 3 December, 2020
Illustrated infographic summarizing: Sending Mail from a Linux Server with Postfix: A Reliable, Relay-First Setup

Sending Mail from a Linux Server with Postfix: A Reliable, Relay-First Setup

Set up Postfix as a secure outbound mail service using an SMTP relay, then test delivery, authentication, DNS, logs, and queue health.

Tags

  • Linux
  • Postfix
  • Email Delivery
  • SMTP Relay
  • Server Operations
Server Operations

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Illustrated infographic summarizing: Locked out of your Apple developer account? Fix it before October 1
Locked out of your Apple developer account? Fix it before October 1
2026-08-20

Apple's updated developer agreement must be accepted by October 1, 2026, and many small app owners cannot even log in. Here is where Apple's two-factor codes really go, and how to fix your access before the deadline.

Illustrated infographic summarizing: Cloudflare Workflows Now Charges by the Step—Price the Outcome
Cloudflare Workflows Now Charges by the Step—Price the Outcome
2026-08-20

Cloudflare Workflows now bills paid plans for steps and stored state. Here is how to track cost per completed outcome without weakening reliability.

Illustrated infographic summarizing: Google’s AI Search Toggle Is a Publishing Decision, Not an SEO Setting
Google’s AI Search Toggle Is a Publishing Decision, Not an SEO Setting
2026-08-19

Google’s AI Search toggle forces a commercial choice about visibility, attribution and content use. Here’s how to make that choice responsibly.

Illustrated infographic summarizing: From Supplier Invoice to Bookkeeping: AI with a Control Checkpoint
From Supplier Invoice to Bookkeeping: AI with a Control Checkpoint
2026-08-18

AI can reduce the work involved in processing supplier invoices, but reliable bookkeeping requires validation, duplicate checks, approval and a clear audit trail.

Illustrated infographic summarizing: Nginx 1.30 Changed the Upstream Defaults—Test Before You Upgrade
Nginx 1.30 Changed the Upstream Defaults—Test Before You Upgrade
2026-08-17

Nginx 1.30 defaults upstream proxying to HTTP/1.1 with keepalive enabled. Here is what to inspect, model and test before upgrading.

Illustrated infographic summarizing: OpenAI’s Assistants API Shuts Down in Ten Days. Is Your App Ready?
OpenAI’s Assistants API Shuts Down in Ten Days. Is Your App Ready?
2026-08-16

OpenAI’s Assistants API shuts down on August 26, 2026. Learn what to inventory, how to preserve state and how to cut over without breaking the product.

Illustrated infographic summarizing: WordPress 7.1 Forces the Editor Into an iframe—Test Your Custom Blocks
WordPress 7.1 Forces the Editor Into an iframe—Test Your Custom Blocks
2026-08-15

WordPress 7.1 removes the non-iframe editor fallback. Learn how to audit custom blocks, test real workflows and fix compatibility issues before launch.

Illustrated infographic summarizing: GitHub will stop sending jobs to stale self-hosted runners
GitHub will stop sending jobs to stale self-hosted runners
2026-08-14

GitHub starts enforcing runner versions on August 24, 2026. Audit and upgrade self-hosted runners before builds and deployments start stalling.

Illustrated infographic summarizing: Your AI Agent Has Shell Access. What Can It Reach?
Your AI Agent Has Shell Access. What Can It Reach?
2026-08-13

A practical guide to mapping what a shell-enabled AI agent can reach, then containing its access to files, credentials, networks, tools, and high-impact actions.

Illustrated infographic summarizing: Cloudflare Changed DoH JSON. What Else Is Parsing DNS as Text?
Cloudflare Changed DoH JSON. What Else Is Parsing DNS as Text?
2026-08-12

Cloudflare’s DoH JSON change exposes brittle DNS parsing. Find affected scripts, test both formats, and choose a safer integration contract.

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