Greetings! Unfortunately due to the mountains of spam I am getting in the comments and contact form, I am temporarily disabling comments. Once I can get the Captcha plugin working correctly, I will re enable commenting and the contact form. I apologize to those whose questions and comments I unintentionally deleted while cleaning out the spam!
PHP-FPM has a built in feature to enable a status page to review the health of your process pool. This article will show you how to enable it and use that information for monitoring and demand application scaling.
OPcache improves PHP performance by storing precompiled script bytecode in shared memory, thereby removing the need for PHP to load and parse scripts on each request. This article will discuss what OPcache is and how to configure it on most systems.
Linux uses signals to talk between the kernel and user space. In this article we will scratch the surface on the different types of signals you will find and talk very briefly about each one. This article serves more of an introductory reference.