My photo.jpg Was a 29-Byte HTML Page: Validating Downloaded Images Before They Reach Production
We publish a handful of technical articles every day on our company blog, and every article gets two real photographs: a cover and one inline image.…
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How I stopped Claude Code from lying about finishing tasks (4 hooks, 150 lines of bash)
Last month Claude Code told me it had added a regression test. The commit landed. The PR merged. Two days later a bug slipped through — the test was…
Jira 32,767 characters limit: find the description and comment data a JCMA migration lost
Jira 32,767 characters limit: find the description and comment data a JCMA migration lost Key takeaways END STATE: a reviewed JSON plan and a dry-ru…
История одного пулреквеста в DKMS: когда сообщение об ошибке — это баг
Разбираю реальный случай контрибьюции в DKMS (Dynamic Kernel Module Support) — инструмент, который пересобирает сторонние модули ядра врод…
Крон три дня писал «код 0» и ничего не делал: пять форм тихого отказа в автоматизации
Три утра подряд мой крон писал “завершено, код 0”, а главная работа стояла. В другой истории 291 зеленый тест сопровождался нулем изменений в поведе…
Свой VLESS-прокси бесплатно одной командой: Xray + XHTTP на Alwaysdata
Мне был нужен свой прокси за границей, но платить за VPS ради него не хотелось. Бесплатные варианты быстро кончились. Oracle Cloud просит иностранну…
3 Weeks of Silent Failure: How One Missing `--model` Flag Drained My Interactive Quota Across 4 Jobs
I went from ¥100k a month as a student to ¥600k juggling side gigs, then to ¥0 after a layoff—and six months of building an autonomous Claude Code e…
bashy: a pure-Go Bash 5.3 that runs on Windows and rebuilds itself from the downloaded binary
I've been building a Bash 5.3 in pure Go — no CGo, one static binary — on top of mvdan/sh , mostly so the same scripts run on Windows. It passes all…
Turn Your Android Phone Into a Local Development Server With Termux
You don't always need a computer to test a website or run a small development project. With Termux , your Android phone can run a local development…
For Months My Dev Server Came Up on 3001. Tonight I Found Out Who Had 3000.
A listener nobody remembered starting held port 3000 on my own machine since spring. One ss flag named the owner without root — and showed why 'list…
The shell step that could not fail no matter what we did to it
Our integration suite had been green for eleven weeks. That is not a boast, it is the symptom. A colleague onboarding to the repo wrote a deliberate…
5 Verbal Corrections Didn't Stick, So a 46-Line Stop Hook Made the Mistake Physically Impossible
I corrected the same Claude Code mistake more than five times. It never stuck. Then I replaced the correction with a 46-line shell script, and the m…
10 Terminal Productivity Tips That Actually Save Time
Introduction We all spend a chunk of our day in the terminal. Whether you're a seasoned developer or just starting, small tweaks can compound into m…
How I Built a Server Health-Check & Slack Alerting Script Using Only Bash
In this tutorial, we will build a simple bash script that monitors server health and sends alerts to Slack via a webhook. The script checks four thi…
19 Audit Nags in One Night: Making a Claude Code Stop Hook Detect Unattended Sessions
My autonomous setup earns its keep precisely because Claude Code starts on its own and finishes on its own. The thing that nearly broke that setup w…
10 Tasks in Parallel: Killing the Queue Wait with orchestrate-codex-worker.sh
The interesting part of going from ¥0 to ¥1.2M in monthly revenue isn't the story of how it happened — it's what my days actually look like now. The…
24 Hours of Zero Posts: The 46GB Compressed-Memory Bomb That RSS Couldn't See
The day my social media automation posted exactly zero times in 24 hours was the day I stopped trusting Activity Monitor. RSS said 264MB. Reality wa…
Stop Calling ccusage on Every Prompt: A 60-Second Cache Turns a Hook Into a Cost Sentry
I used to find out I was near my Claude Code block limit the same way you find out your car is out of gas: when everything stopped moving. Building…
Один, лучший или все вместе? Семь багов, четыре ремонтника и семеро сборщиков
Один сломанный bash-скрипт. Семь настоящих багов — от косметических (устаревшие имена файлов в комментариях) до фатальных: сводная таблица, которая…
Cron Jobs Made Simple
What Are Cron Jobs? Cron is a time-based job scheduler in Unix-like operating systems. It runs scripts or commands at specified intervals, like ever…
My Outreach Schedule Got Rewritten to 2:31 AM Without Me: Building a launchd Guard That Self-Heals in Under 10 Minutes
Six months after a layoff left me with zero take-home pay, I had built an autonomous Claude Code setup that now brings in a steady ¥1.2M a month. Th…
sysk a CLI health monitor in bash and python, how i built it
Sysk architecture Design notes on Sysk, a small system health monitor. Intro Sysk is a command-line system health monitor built in Bash and Python.…
Defensive Scripting with bash
DEFENSIVE PROGRAMMING IN BASH Bash is a very powerful tool, but it is important to employ strategies that catch errors early, provide clear logging,…
Как установить анимацию GIF для иконки окна Linux? Как поменять и получить иконку окна Linux?
В статье говорится о том, как динамически изменять и считывать иконку окна Linux. Утилита xdotool_xseticon была создана для динамического изменения…
8 Runs a Day Became 3: Building a launchd plist Integrity Guard in 73 Lines
At 12:04 on August 23, 2026, something quietly rewrote my outreach DM schedule down to three runs a day — 2:31 AM, 10:31 AM, and 6:31 PM. For the se…
How My Own Script Killed Instagram Sessions Every Night: pkill and a Shared Chrome Profile
I built a fleet of 171 automation jobs to grow my business — and one of them was quietly murdering another one's login session every single night fo…
Make Codex Prove It: A Three-File Design That Leaves Evidence on Disk
An AI agent telling you "done" is not evidence. When I started delegating work to Codex, I took those reports at face value — until I checked the co…
Editing the plist Changed Nothing: launchd Kept Running My Old 30s Timeout Until 31 Lines of Bash Fixed It
I'm Lily. I made ¥100k/month in college, pushed it to ¥600k/month juggling multiple side gigs, lost all of it when I was laid off for reasons that h…
My scanner reported honest coverage every day, and it was the same coverage every day
I have a tool whose whole job is catching tools that lie. The idea is small. A lot of my scripts have a --test mode, and a --test is supposed to be…
Meet Watchdog: A Small, Safe Bash Watchdog for Linux Services
A service does not have to be large to become operationally important. A small API behind a reverse proxy, a background worker on a virtual machine,…