When updating MariaDB, the popular successor to MySQL, you may, once upon a time, hit a roadblock which you won’t be able to track down in the error log. Even though web visitors get to see the plain text complaint “Can’t connect to the database”, the MariaDB server will be running just fine. Silent errors should be reason enough to suspect SELinux, the oftentimes dreaded and despised but equally popular Security-Enhanced Linux kernel module.
The Amazon Link plug-in for WordPress implements geotargeting based on ip2nation, a free geotargeting library from Per Gustafsson Consulting (available here). If you are wondering what you need to do in order to integrate the Amazon Link affiliate plug-in for WordPress (seing how a separate installation plugin for WordPress is two years old as of this writing, and counting), here is a quick howto for those who can access their websites’ MySQL or MariaDB database servers.
Have you locked yourself out of WordPress due to some upgrade or restore mishap in combination with the lack of a valid email address to restore it to? Welcome to the Club of lucky administrators! There is a solution to this particular problem that just begs to be shouted from the rooftops: why don’t you reset your WordPress password using MySQL (or MariaDB). Let’s get right to it.
The setup of the LEMP stack (NGINX, MariaDB or MySQL, and PHP) has many caveats. They can impact both performance and security.
Here is how to LEMP (not limp along!).