Category Archives: Ask J.D.

How to Fix Codex Sandbox Errors on Ubuntu 24.04

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Terminal before and after: bwrap RTM_NEWADDR error before the AppArmor profile, ok after

TL;DR: Codex sandbox errors on Ubuntu 24.04 almost always trace back to one thing on freshly installed boxes: AppArmor blocking bwrap. A five-line /etc/apparmor.d/bwrap profile fixed it on my system. If you’re hitting the same wall, paste your error into Claude Code and let it walk you through. 💪 The Symptom: Codex Sandbox Hangs on Ubuntu 24.04 My Codex setup on a fresh Ubuntu 24.04 VM was unusable. Every codex exec call burned 35K to 54K tokens over 2 or

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Dell WD19TBS Mouse Lag: Firmware Update Fixed Every Device

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TL;DR: If you’re chasing WD19TBS mouse lag, try the Dell Dock Firmware Update Utility before anything else. My dock was stuttering on every device I plugged in: a Dell laptop, a Samsung Galaxy S23 Ultra, a MacBook,  and my Lenovo Legion 7. Running the utility fixed it. The updater showed only one component actually changed: the dock’s embedded controller, 01.01.00.14 to 01.01.00.15. The mouse cursor stopped stuttering! 💪 The Issues Any device I connected to my Dell thunderbolt dock would

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Claude Opus 4.6 vs 4.7 Max: Which is better? Graded on Real World Planning

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Letter-grade scorecard comparing Claude Opus 4.6 Max and Claude Opus 4.7 Max on a WordPress modernization planning task, with Opus 4.7 winning overall A- to C

TL;DR: This is one real WordPress website maintenance task, run once against each model. On that task, Claude Opus 4.7 produced the stronger first-pass plan because it started from a more accurate baseline. Opus 4.6 was faster and caught one thing 4.7 missed, but it got the active theme wrong and claimed an impossible PHP version. I would not execute either plan as written. Grades below. Note: Opus 4.7 is getting a rough reception on Reddit and around the web

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Switch to Claude Code Opus 4.7 [instructions]

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Opus 4.7 launched on April 16, 2026. Here’s the fast path to switch Claude Code over, including the gotcha I hit in the VS Code extension. Note Update, July 2026: Anthropic has moved on to Opus 5, which is now the default on Max plans. If you came here trying to get the newest Opus and your picker still shows Opus 4.8, the fix is in my newer guide: how to switch Claude Code to Opus 5. The steps below

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Claude Code Rate exceeded.

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If you are getting “Rate exceeded.” when trying to re-authorize your Claude Code instance, it is probably because Anthropic’s servers are having API/login issues: Specifically, if you haven’t been heavily using Claude and you get kicked out of Claude Code with reauthorization required… for me every time it has been server issues  on anthropic side and the eventually resolve. Still, that is small consolation if you are trying to finish up a project or get work done! Claude has been

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How to Enable Wake-on-LAN (WoL) on a Synology NAS (DS925+ and Others)

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TL;DR: On a Synology NAS, enabling Wake-on-LAN takes two steps in two different DSM screens. Turn on Enable WOL on LAN 1 in Control Panel > Hardware & Power > General, then get the NAS MAC address from Control Panel > Info Center > Network, not from Network > Network Interface. Why Wake-on-LAN for your NAS? Wake-on-LAN, or WoL, lets you wake a powered-down device by sending a small network broadcast called a magic packet. I wanted it on my

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Meta Muse Spark: The Honest Scorecard (3 Wins Out of 20)

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Meta just released Muse Spark, the first model from their new Superintelligence Labs. Along with it came a 20-benchmark comparison chart. The chart highlights every Muse Spark score in blue, which makes it look like Muse is leading across the board. The original Meta release table/graphic just highlighted their column and it made it seem almost as if they won every row… They did not win every test (far from it) so maybe the the table could use some actual

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Who Reads This Blog? Traffic Breakdown by OS

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Who’s reading this blog, and what are they running? I pulled month of site visitor stats to find out. The Breakdown Here’s the operating system split across all visitors over the last month or so: Operating System Users Share Windows 12,292 53.6% iOS 3,846 16.8% macOS 3,732 16.3% Android 1,919 8.4% Linux 420 1.8% Chrome OS 53 0.2% Other / Unknown 677 2.9% Total: 22,939 users over 90 days. Windows Still Dominates, But Apple is a Third of the Audience

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