If you are running Linux kernel 3.6 or newer, anyone in the world on a network that allows IP spoofing can hijack your encrypted communications in less than a minute, with a success rate of 90%.
Here is how to fix it.
How to Build a SELinux Module for MariaDB
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.
How to Install PHP 7 on Fedora, RHEL, CentOS 7 — the Red Hat family
Installing PHP on the Red Hat family—Fedora, RHEL, CentOS 7—is a must for cyber security and it’s not rocket science. With a few easy steps, you too can bring your PHP based web applications to the next level.
The LEMP stack: NGINX, MariaDB/MySQL, PHP 7.x on RHEL/Fedora/CentOS with SELinux
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!).