#howto | Ajit Sharma TechBlogs

How to Install Different PHP (5.6, 7.x and 8.0) Versions in Ubuntu

By MrBlackHat March 11, 2024

Set Default PHP Version in Ubuntu PHP (recursive acronym for PHP: Hypertext Preprocessor) is an open-source, popular general-purpose scripting language that is widely used and best suited for developing websites and web-based…

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How to Switch PHP Versions on the Command Line in Ubuntu

By MrBlackHat March 11, 2024

From PHP 5.6 => PHP 7.1From PHP 7.1 => PHP 5.6 Introduction: In web development, different projects may require different versions of PHP due to compatibility or specific feature requirements.…

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How To Install MySQL on Ubuntu 22.04

By MrBlackHat March 11, 2024

Step 1 — Installing MySQLStep 2 — Configuring MySQLStep 3 — Creating a Dedicated MySQL User and Granting PrivilegesStep 4 — Testing MySQLConclusion Overview A popular component of the LAMP…

How to Use chmod to Change File Permissions Recursively in Linux

By MrBlackHat February 21, 2024

IntroductionCheck File PermissionChange Permission RecursivelyChange Permission With the find CommandConclusion Introduction File permissions must be configured and maintained on multi-user systems like Linux in order to guarantee that only authorized…