Web server – IT Blog

How to enable visual editor in WordPress

It was required to activate a visual editor on one of the WordPress blogs, but did not find the activation function in the settings.
And it turns on individually for each user in the profile settings.

Optimize web images with jpegoptim

Ubuntu / Debian installation command:

Installing and using WPScan on Linux

WPScan – a utility for testing WordPress, searching for vulnerabilities.

The problem with multiple SSL on the same IP

If there are several sites with SSL on the same IP address, then old ancient browsers that do not support SNI will not be able to determine which certificate to download and will most likely download the first one that is registered at the beginning of the web server configuration.

WordPress. Solution “cURL error 60: SSL certificate problem: unable to get local issuer certificate”

Once on one of the sites I noticed in WordPress the menu “Tools” – “Site Health” the following errors:

Email notification when users login to WordPress

Once on several sites, it was necessary to set up sending emails about each user logging into the site.

Solution of the error “cURL error 28: Operation timed out after N milliseconds”

Once on the WordPress health page (Tools – Website Health) I noticed several errors for the REST API and the Loopback request:

Installing OneALL Social Login in phpBB

I will briefly describe how to install the OneALL Social Login extension, which allows you to log in to the forum using social network accounts.

How to solve “Extension mysqli | mysql not found”

I noticed once on one of the new Ubuntu servers an error when opening phpMyAdmin – “The extension mysqli | mysql not found.”

Simple page caching

I will give an example of a simple caching of PHP pages with an interval of 600 seconds (10 minutes).

Paste at the beginning of the code: