Servers & infrastructure Intro
Watching only the home page misses outages
Plenty of sites have uptime monitoring and still miss outages. The cause is usually the same: the page being checked never touches the database.
Technote
Servers & infrastructure
Docker, nginx, PHP-FPM, MySQL and deployment — running WordPress properly at the server level.
15 articles· Servers & infrastructure
Servers & infrastructure Intro
The first five minutes: scope before cause
Hunting for the cause first costs you time. Establish the scope and the log you need is already decided, with half the candidates gone.
Servers & infrastructure Advanced
Moving wp-cron to system cron, and why schedules run late
Scheduled posts that publish late are usually a structural problem, not a code one. WordPress cron rides on incoming requests, so on a quiet site nothing runs at…
Servers & infrastructure Practical
Page caching belongs on the server layer
The layer that stores finished HTML only pays off in front of PHP. Stack a plugin cache on top of a server cache and you now have two…
Servers & infrastructure Intro
Favicons and share images: the sizes, and the cache that bites
A favicon is not one file, and fixing the share tag does not update links already shared — because the platform cached the preview.
Servers & infrastructure Practical
Why enquiry mail lands in spam — three records explained
The form submits fine, but no mail arrives. The cause is usually the sending path, not the form — and three DNS records that prove who sent it…
Servers & infrastructure Practical
Sending email yourself, or handing it over
Run your own mail server and the invoice is near zero — you pay in deliverability instead. Which is cheaper depends on what one enquiry is worth to…
Servers & infrastructure Practical
Knowing your site is down before your customers do
If a customer tells you the site is down, you are already late. Deciding what to watch and how to be alerted takes about half an hour.
Servers & infrastructure Practical
Displaying business details: what belongs on the site
If you sell online in Korea, displaying business registration details is a legal requirement — and it is also the first thing a visitor about to pay looks…
Servers & infrastructure Intro
When a website is not yet the answer
A website solves a specific set of problems. If you are not yet at that stage, validating demand another way is faster and teaches you more.
Servers & infrastructure Intro
Domain names: the choices people regret later
Domains are cheap; changing one is not. The choices that cause trouble years later share a pattern, and all of them are checkable before you buy.
Servers & infrastructure Intro
Shared hosting to a VPS: when is it actually time?
You do not move because a VPS is better — you move because something is blocked. The signals are specific, and what grows after the move is responsibility,…