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Posts by Joss Malasuk for Linux:
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.
In this article, we are going to take an depth look at what Zombie Processes are in Linux and how to troubleshoot them. We will take a look at how to identify them and what to do when you see them.