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Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseSecurity

The free SSL certificate did not renew: why AutoSSL fails and what to check

The short answer: the free certificate that comes with the account (AutoSSL, from Let’s Encrypt) is issued and renewed by itself, but only if the server can prove the domain…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseBackups & Migration

Looking inside an old backup without restoring over the live site

To look at an old copy without touching the live site, use JetBackup’s Download instead of Restore: the copy is prepared for you to download, you open it on your…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge basePHP & Development

php.ini and .user.ini: where to set a value and what applies where

For a value that suits the whole account, use the Options tab of Select PHP Version. For a value that only suits one folder, put a .user.ini file in that…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge basePHP & Development

File upload fails with failed to open stream or move_uploaded_file: the causes, in order

The file reaches the server, PHP stores it in a temporary folder and your code tries to move it to its final place with move_uploaded_file(). If that step fails, the…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseSecurity

Someone is sending e-mail in the name of your domain: what SPF, DKIM and DMARC do about it

The short answer: sending an e-mail that looks as if it comes from [email protected] is trivial: the sender address is written freely, like the return address on a letter. To…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseBackups & Migration

What to back up before you update WordPress, plugins or PHP

Before an update, save three things: the database, the wp-content folder (plus wp-config.php and .htaccess) and a note of the versions you have now. It takes five minutes and is…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseAutomation & n8n

Connecting n8n to e-mail: SMTP and IMAP

For n8n to send e-mail you use SMTP; to read it, IMAP. Either way n8n signs in to a mailbox like any e-mail program: it needs the server, the port,…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge basePHP & Development

Sending e-mail from PHP: mail() or SMTP

Use SMTP with a real mailbox on your domain. The mail() function is fine for a quick test, but it returns “sent” only because the local mail program accepted the…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseDatabases

MySQL or MariaDB: which one runs here, and does it matter

Shared hosting here runs MariaDB, not Oracle’s MySQL Server. At the time of writing the version is 10.11.16. For almost every site that makes no difference: MariaDB started as a…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseDatabases

Creating a database user and giving it the right privileges

A database without a user is no use to anyone, and a user with too many privileges is an open door. In cPanel you do it in MySQL Databases: create…