🎃 Give Your Servers a Spooktacular MOTD
October 31, 2025
Give your terminals a treat: a portable Halloween MOTD script (POSIX sh) with centered headers, fun ASCII art (cat, pumpkin, ghost, bat, spider), and optional color.
Give your terminals a treat: a portable Halloween MOTD script (POSIX sh) with centered headers, fun ASCII art (cat, pumpkin, ghost, bat, spider), and optional color.
Runbooks are the operational “recipes” teams use to execute recurring tasks and respond to incidents—consistently, quickly, and safely. This article traces the term from mainframe binders to modern SRE practice, explains when and why to write runbooks, and breaks down what effective ones include. You’ll also get a copy-ready template and practical guidance for keeping runbooks versioned, tested, and easy to find.
Still have legacy IAM users? This guide shows how to enforce MFA with a simple explicit-deny policy that blocks all actions unless MFA is present—yet preserves just enough access to enroll devices or obtain temporary session tokens. We cover rollout options, SCP usage, exception patterns, monitoring, and common pitfalls.
PDFs aren’t just “pictures on a page.” They can carry hidden data and active features—metadata, annotations, attachments, JavaScript—that leak author names, revision history, or even sensitive content. We walk through real-world failures (from court filings to government reports), explain the risks to privacy, deliverability, and compliance, and share practical, repeatable ways to audit and sanitize PDFs. Plus: tool-by-tool guidance (Canva, Word, InDesign) and a sysadmin playbook for site-wide audits and CI/CD automation.
A solid .gitignore saves your team from noisy diffs, slow clones, and accidental secret commits. This guide explains core patterns (globs, directory rules, negations), repo vs. global ignores, and stack-specific snippets for Node.js, Python, PHP/WordPress, and Java. You’ll also learn how to untrack files already committed, debug rules with git check-ignore -v, and handle large artifacts with Git LFS.
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