Error establish a database connection

Během připojování k databázovému serveru došlo k chybě

WordPress, like any other content management system, requires two essential components to function properly: FTP and a MySQL database. WordPress uses FTP to store important PHP files, theme templates, plugins, as well as media such as images and files that are displayed on the website as attachments or content. The MySQL database is used by WordPress to store settings, taxonomies, user data, and the complete textual content of pages and posts. Occasionally, you may encounter an error message stating “Error establish a database connection” Today, we will explore why this error occurs and how to … Read more

The difference between classic and object cache in WordPress

Rozdíl mezi klasickou a objektovou cache u WordPressu

In today’s digital era, websites serve as the foundation for the success of many businesses and individuals. However, as your website becomes increasingly popular and attracts a large number of visitors, its speed and performance may start to decline. In such cases, it becomes essential to consider various optimization techniques, such as the use of caching. In this article, we will focus on two basic types of caching in the WordPress system. Additionally, we will explain the difference between classic and object cache in WordPress. The difference between classic and object cache in WordPress. Classic … Read more

Object caching in WordPress using Redis server

Objektová cache WordPressu pomocí Redis serveru

If you manage a WordPress website and have looked at the “Site Health” section (Tools -> Site Health), you might have noticed that WordPress encourages you to use object caching. The specific recommendation is to use a persistent object cache. Object caching in WordPress can be achieved either using Redis server, as I have mentioned before, or using Memcached. In this article, we will focus on implementing object caching in WordPress using Redis server. Before enabling object caching, Redis needs to be functional on your server. If you have your own server, you can follow … Read more

How to change the database prefix in WordPress

Jak změnit prefix databáze ve WordPressu

You are probably using the WordPress content management system for your website. Then you may know, that this system uses a database to store content data such as articles, pages, users, meta information, and many others. In a basic installation, WordPress uses a total of 12 tables, each with its own prefix. The default prefix in WordPress is ‘_wp’. However, hackers can exploit this fact by specifically targeting such a prefix. For security reasons, it is therefore good to have a prefix other than the default. If you did not choose a different prefix during … Read more

How to disable file editing in WordPress administration

Jak zakázat editaci souborů v administraci WordPressu

WordPress includes an internal editor for theme template files, which allows logged-in users to manually manipulate the source code. This gives you the ability to modify the functions and behavior of the theme template, which can be convenient on one hand, but a security risk on the other. In my opinion, it’s definitely better to disable this feature (I’ll explain why below) and handle any necessary edits via FTP or code snippets. In this article, I’ll show you how to disable file editing in the WordPress administration. How to disable file editing in WordPress administration … Read more

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