How to Self-Host Uptime Kuma with Docker
Two things break this after it is working. Its data directory cannot live on NFS, and behind a reverse proxy without Web...
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How to Self-Host Vaultwarden with Docker
The compose file is trivial. The admin token is not: it wants an Argon2 hash rather than a password, and the hash then b...
What Your Monitoring Costs the Database
Metadata queries are expensive because the server assembles the answer by walking itself. Measured on production with th...
How to Find What Is Scanning Your Tables
Knowing a table is scanned tells you little; knowing which statement scans it tells you everything. Reading MySQL's stat...
Sixty Percent of Your Reads Use No Index
A database either uses an index to find rows or scans the table, and on a small table the scan is the right choice. Meas...
The Indexes Nobody Reads
Indexes accumulate because nothing ever removes them, and removing one means proving it is unused. MySQL will tell you:...
Your Scheduler Has Never Reported a Failure
Fifty-nine thousand runs, forty-four commands, zero failures — because for background tasks the failure path ran in a pr...
Your Daily Report Is Counting the Wrong Day
A naive date filter and a timezone-aware one disagreed on twelve of twenty-one days, once reporting six items on a day t...
How to Behave When You Are Rate Limited
Five clients, one job, one throttle. Hammering issued 553 requests to fetch 40 things and finished behind the client tha...
What Your Rate Limit Actually Limits
A route limited to 30 a minute and one limited to 60 turned out to share a single counter, because the framework keys it...
How to Write an MCP Server Without a Framework
MCP is JSON-RPC over a pipe. Sixty-two lines of dependency-free code, driven directly with the protocol — the handshake,...
Where a ComfyUI Node Keeps Its Licence
The registry names a licence for only 15.5% of nodes and puts a bare filename in the field for 59.1% more. We opened 60...
What Happens When You Click Install in ComfyUI
ComfyUI Manager offers to install the missing nodes, you click, and a log scrolls past too fast to read. What runs in th...
What Is ComfyUI, and How Is It Different From Ollama?
Both run AI models on your own machine, and that is where the similarity ends. One is a visual workbench for image, vide...
How Old Is the Code You Installed?
The median package in this site's tree was published 286 days ago — but one in five has seen no release in two years, an...
Seventeen Licences You Did Not Choose
This site installs 302 packages under 17 distinct licences. 23 carry copyleft obligations, effectively all from one imag...
Your AI API Call Leaves the Country
From a server in Singapore, OpenAI's API accepts a connection in 6.2ms and takes 237ms to say anything. Anthropic's: 2.3...
Your Bank Is Still on IPv4
We asked DNS whether 18 institutions across six ASEAN economies — the largest bank, the government portal and the bigges...
What We Actually Run, and What It Would Cost Managed
Our whole production stack holds 1.48 GiB — 70% of it MySQL, and just 107.8 MiB serving every page. The surprise was tha...
What Our Own Site Sends, and Why We Can't Tell You Exactly
We tried to measure our own monthly egress with root on the machine. Three sources gave three answers, and extrapolating...
Can a Deleted File Be Recovered? We Erased the Whole Volume and Read It Back
We wrote a file marked so it could not be mistaken for anything else, deleted it, then erased the entire volume the way...
Latency vs Bandwidth: Which One Are You Actually Waiting For?
Internet plans are sold in one number, and for most of what you do all day it is the smaller half of the answer. Asking...
Why Is My PDF So Big? It Is Probably a Picture of Text
We built one A4 page both ways and weighed them. As text: 8,256 bytes, with 4,791 searchable characters. The same page s...
Why Is My Disk Full? Every Tool Is Answering a Different Question
The same 494 GB drive reports 6 per cent used, 53 per cent used and 56.3 per cent used depending on what you ask — and a...
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