This is the final part of the five-part series entitled: Linux Commands frequently used by Linux Sysadmins. So far, we’ve covered over 50 commands regularly used by Linux sysadmins and power users. Refer…
We are now up to part 4 of this five-part series entitled: Linux Commands frequently used by Linux Sysadmins. By the end of this series, we will cover at least 50 commands. Thus…
Last week, I published part 1 of this five-part series entitled: Linux Commands frequently used by Linux Sysadmins. That first article scratched the surface of what, I believe, are 50 to 100 commands used often…
This article is a follow-up to the previous 90 Linux Commands frequently used by Linux Sysadmins post. Every week, as time allows, I will publish articles on the 90 commands geared toward Linux…
Observability is a critical aspect of modern software development, providing teams with the ability to monitor and understand the performance of their applications and infrastructure. Recently, several companies have emerged as leaders in…
Leading software vendors have completed the expansion from traditional monitoring to full observability. However, there’s still a knowledge gap for customers interested in observability. As a result, some are left feeling a bit…
In this article, you’ll find recent commentary from executives and decision-makers of industry-leading observability providers on two key questions regarding the evolution of observability. Published: May 17th, 2021 | Updated: Aug 1st, 2024….
Remote Dictionary Server (Redis) is an open-source NoSQL database that comprises of a fast, in-memory data structure to store data in key-value pairs. It serves as a fast and highly efficient data store…
Some time ago, I received an email from a client experiencing slow performance issues with a LEMP (Linux, Nginx, MySQL, and PHP web server). During a full audit, I found that the server’s…
Two years ago, one of our online community members discussed some of the reasons behind the slow adoption of PHP 8. One member stated that it’s due to PHP compatibility issues across new…
Database monitoring is indispensable for maintaining the health, performance, and reliability of your database system. It provides administrators and IT teams with real-time insights into the system’s operations, enabling them to proactively identify…
Table of Contents Alice and Bob Imagine there’s a city in a valley. On either side of the valley, there’s an army commanded by a general. On the left hill stands General Alice…
You may have been following my Linux home lab build. One of the most important decisions when building your home lab is selecting the proper router/firewall for your network. After many hours of…
<?php var_dump(realpath_cache_size()); ?> Enjoy! realpath_cache_size = 4M realpath_cache_ttl = 120 Note that if your using Apache Prefork-mpm mod_php to run PHP (the fastest when loading only PHP and not with static content) then…
OPcache is a PHP extension that 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. The extension…
These are not mind-blowing results. However, depending on your current throughput of PHP requests, you may be happy to take whatever improvements you can find. Also, this test was with WordPress only; with…
So, what is observability? Well, rather than adding to the many different published definitions, I’ll point you to a few articles and pages recently published (all within the past six months) by some…
MySQLTuner supports Galera Cluster, TokuDB, Performance schema, Linux OS metrics, InnoDB, MyISAM, Aria, etc. – MySQLTuner on Github. You cannot replace Professional MySQL tuning with scripts. Scripts serve as essential guides, sometimes spot-on,…
