Find guides, reviews, and articles on the topic you need.
Contents 0. In MySQL, query caching has been completely removed in recent versions, while in MariaDB, on the contrary, it has become enabled by default. 1. How MySQL / MariaDB query caching works 2. When to use MySQL / MariaDB que…
Read article →Contents What are $mysqli->close() and $result->free() used for in PHP Is it necessary to close connections to MySQL / MariaDB and clear the result of the SQL query? When using $mysqli->close() and $result->free() will NOT give ta…
Read article →Table of contents 1. What is tmpfs 2. What can tmpfs be used for 3. How to use tmpfs 4. Interface (script) for working with tmpfs (virtual memory filesystem) 4.1 Download the script for working with tmpfs (tmpfs-mounter) 4.2 tmpfs…
Read article →In PHP, you can download a file via a link (URL) and save it on your server in several ways. Some of them have important differences that can be key when choosing a way to download and save a file in PHP. 1. file_get_contents and…
Read article →Linux installers create a swap file or partition by default. The Swap file is used when the RAM is full, in this case the system writes part of the data that is not needed right now from the RAM to the Swap file, which somewhat un…
Read article →The ‘ps’ (processes status) command is a built-in Unix/Linux utility for viewing information regarding the selection of running processes on the system: it reads this information from virtual files in the /proc file system. It is…
Read article →Is htop better or top? The htop command is similar to top in function: they both display real-time information about processes, display system resource consumption, and allow you to search, stop, and manage processes. Both command…
Read article →“top” program for showing Linux processes in real time The top program shows the program and service processes running on Linux. With top, you can see the dynamics of a running system in real time. The program displays a summary o…
Read article →The tmpfs file system is quite useful, as it is incredibly fast and can help reduce the load on your persistent storage (especially useful for those who have Linux installed on a flash drive or memory card). tmpfs is an in-memory…
Read article →When searching for information on a computer, you need to remember that it is located not only in data storage devices (solid state drives, hard drives, removable media, etc.), but also in RAM, in the processes. Information when l…
Read article →
