https://pragmaticsysadmin.help/tags/common-mistakes/Practical sysadmin guides, senior tech help for aging parents, and kids' learning games — without the buzzwords. By Jonne, a Finnish sysadmin.Hugo -- gohugo.ioenPragmatic Sysadmin (Pragmatic Sysadmin)Pragmatic Sysadmin (Pragmatic Sysadmin)Mon, 13 Jul 2026 08:00:00 +0000https://pragmaticsysadmin.help/sysadmin/2026-07-13-linux-things-easy-to-miss/Mon, 13 Jul 2026 08:00:00 +0000Pragmatic Sysadminhttps://pragmaticsysadmin.help/sysadmin/2026-07-13-linux-things-easy-to-miss/<script type="application/ld+json"> { "@context": "https://schema.org", "@type": "Article", "headline": "Linux Things That Are Easy to Miss (Until They Bite You)", "description": "A practical list of subtle Linux habits and gotchas that bite you the 10th, 50th, or 1000th time you do them.", "author": {"@type": "Person", "name": "Pragmatic Sysadmin"}, "publisher": {"@type": "Organization", "name": "Pragmatic Tech"}, "datePublished": "2026-07-13", "dateModified": "2026-07-13", "mainEntityOfPage": {"@type": "WebPage", "id": "https://pragmaticsysadmin.help/sysadmin/2026-07-13-linux-things-easy-to-miss/"}, "image": {"@type": "ImageObject", "url": "https://pragmaticsysadmin.help/og/2026-07-13-linux-things-easy-to-miss.png", "width": 1200, "height": 630} } </script> <h1 id="linux-things-that-are-easy-to-miss-until-they-bite-you">Linux Things That Are Easy to Miss (Until They Bite You)</h1> <p>The other day I spent 20 minutes debugging a cron job that worked perfectly when I ran it from the shell. The fix? <code>PATH</code> was different in cron. That&rsquo;s not a one-time thing — I trip over the same class of subtle Linux papercuts every few months. So I wrote them all down.</p>