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MozOut - Nigeria www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseDatabases

Connecting to MySQL from PHP: mysqli and PDO, with a working example

PHP has two ways of talking to the database: mysqli (MySQL and MariaDB only) and PDO (which also serves PostgreSQL and others). For a new project PDO is the safe…

MozOut - Nigeria www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseWordPress & CMS

Stopping spam comments in WordPress

If your blog has comments open, sooner or later it fills up with offers for watches, links to doubtful sites and sentences that make no sense. Whoever wrote them is…

MozOut - Nigeria www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseChoosing the Right Plan

Several websites on one plan: how many fit before you need the next step

As many as the plan counts and the resources can carry, and those are two different sums. The first is a matter of numbers: each plan says how many sites…

MozOut - Nigeria www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseE-mail

Track Delivery: finding out what happened to a message you sent

“I sent it, and they say they did not receive it.” Instead of guessing, cPanel has a screen that shows the trail of each message that went through the server:…

MozOut - Nigeria www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseE-mail

Error 421 and 451: temporary failures, and why the message is delayed and not lost

An error that starts with a 4 (421, 450, 451, 452) is a “not now, try later” reply. It is not a refusal. The server that sent the message keeps…

MozOut - Nigeria www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseVPS & Servers

Webmin and Virtualmin on a VPS: a server admin tool and a hosting panel, explained

This article is for people with a VPS or a dedicated server with root access. On shared plans the panel is cPanel, and you neither choose nor install another one.…

MozOut - Nigeria www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseSecurity

SQL injection and XSS in plain words: what to ask your developer

The short answer: SQL injection and XSS are two of the oldest attacks on websites, and they still work because they come from the same oversight: trusting what the visitor…

MozOut - Nigeria www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseE-mail

The security certificate warning in Outlook: what it means and how to stop it

The short answer: the warning “The server you are connected to is using a security certificate that cannot be verified” appears when the server name you typed in Outlook does…

MozOut - Nigeria www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseDomains & DNS

Lowering the TTL before a migration: the timeline that keeps the switch short

The short answer: the TTL tells every cache how long it may keep an answer, counted from the moment it asked. So at the moment you change a record, the…

MozOut - Nigeria www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseE-mail

Repairing the Outlook data file: damaged PST or OST, SCANPST and a new OST

The short answer: Outlook keeps mail in a data file on the computer: an OST (a copy of what is on the server, for recent IMAP and Exchange accounts) or…