Linux server security is of critical importance to sysadmins. One central part of keeping Linux servers secure is by installing security updates promptly. Too often, there are compromised servers on the internet due…
Linux server security is crucial to Linux server administration. Part of keeping Linux servers secure is installing security updates shortly after they become available. Too often, compromised servers are a result of pending…
Are you searching for the best Linux distro (distribution) and DE (Desktop Environment) combination? What better way to increase your familiarity with Linux servers than running Linux on your laptop or workstation? As…
Ransomware has emerged as a particularly relentless and disruptive force against organizations worldwide. The debate over whether to adopt a “no concessions” policy—refusing to pay ransoms to cybercriminals—mirrors long-standing discussions in counter-terrorism and…
What do you do when you question whether your internet connection is working, or not? I built Pinging.net to be a fast and convenient way to monitor your internet connection. How does pinging.net work?…
MongoDB is an open-source NoSQL database management system that stores data in JSON-like documents. It’s designed to handle large volumes of data with a document-oriented architecture and can operate without a predefined schema,…
Update: 11 years later, here are the replacements I currently use. It’s been 3 years that I’ve been using the Lenovo x301. The ONLY issue I’ve had, is the TrackPoint caps. They don’t…
G-Core Labs has its cloud and edge solutions ecosystem where Content Delivery Network (CDN) initially have had an important role. Unlike other providers, the company offers all the benefits of deep integration between…
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…
Upgrading from CentOS 7 to AlmaLinux 8 is a significant step towards ensuring that your systems remain secure, supported, and up-to-date with the latest features and security patches. AlmaLinux 8, as a community-driven…
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…
To build experience with Linux commands, there are a few things you can do. First, try to use the command line interface as much as possible. This will give you practice with the…
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…
The official alternative to CentOS 8 is CentOS Stream. Read: Converting from CentOS Linux to CentOS Stream. According to Chris Wright, Red Hat’s CTO, the CentOS Stream project provides “a rolling preview 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…
atop -m Additional examples of using the ‘atop’ command for Linux server performance analysis: atop -c atop is an ASCII full-screen performance monitor that can log and report the activity of all server…
Every few weeks, I will edit and add to this list of Top Serverless Monitoring Tools/Solutions. These tools represent the current recommended Serverless Monitoring Tools. Table of Contents What is Serverless Computing? The…
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…
htop uses a cursor-controlled interface for sending signals to processes. One example where this is helpful is: you don’t have to type in PIDs; select one or more processes using your mouse cursor…
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…
For added security, you can also use additional tools or services, such as ModSecurity and Sucuri. Or, instead of CSF + LFD, you can use APF + BFD. There’s also bitninja.io, Imunify360 and others….
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…
