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Bourne Again Shell

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The Hard Part of Grading a Terminal Command: Why String Matching Doesn't Work

The Hard Part of Grading a Terminal Command: Why String Matching Doesn't Work

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1 min read
Get a Telegram Notification Every Time Someone SSHes Into Your Server

Get a Telegram Notification Every Time Someone SSHes Into Your Server

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4 min read
Cron Jobs Made Simple

Cron Jobs Made Simple

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3 min read
Automate Your Linux Updates Like a Pro (with Rollbacks!) 🚀

Automate Your Linux Updates Like a Pro (with Rollbacks!) 🚀

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3 min read
Defensive Scripting with bash

Defensive Scripting with bash

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6 min read
28 Hours of Green Logs, Zero Replies: How a Single `echo` Line Swallowed Every Exit Code

28 Hours of Green Logs, Zero Replies: How a Single `echo` Line Swallowed Every Exit Code

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23 min read
8 Runs a Day Became 3: Building a launchd plist Integrity Guard in 73 Lines

8 Runs a Day Became 3: Building a launchd plist Integrity Guard in 73 Lines

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24 min read
Feed Your Worst Test to a Free Model

Feed Your Worst Test to a Free Model

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3 min read
What actually happens when a TLS certificate expires (and how I built a Bash guardrail for it)

What actually happens when a TLS certificate expires (and how I built a Bash guardrail for it)

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3 min read
'Permission Denied' When Running a Script — It's Not Broken, It's Not Executable Yet

'Permission Denied' When Running a Script — It's Not Broken, It's Not Executable Yet

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3 min read
How My Own Script Killed Instagram Sessions Every Night: pkill and a Shared Chrome Profile

How My Own Script Killed Instagram Sessions Every Night: pkill and a Shared Chrome Profile

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23 min read
A missing npm ci silently starved the content-mining pipeline for a week

A missing npm ci silently starved the content-mining pipeline for a week

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3 min read
Make Codex Prove It: A Three-File Design That Leaves Evidence on Disk

Make Codex Prove It: A Three-File Design That Leaves Evidence on Disk

Comments 1
20 min read
Editing the plist Changed Nothing: launchd Kept Running My Old 30s Timeout Until 31 Lines of Bash Fixed It

Editing the plist Changed Nothing: launchd Kept Running My Old 30s Timeout Until 31 Lines of Bash Fixed It

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24 min read
8 Pitfalls I Hit Auto-Repairing 'Plugin directory does not exist' — and the 3-Layer Guard That Stopped a 22 8 Wipeout

8 Pitfalls I Hit Auto-Repairing 'Plugin directory does not exist' — and the 3-Layer Guard That Stopped a 22 8 Wipeout

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21 min read
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