web development and system administration of Linux
If you’re running MySQL in Docker, you will eventually need a backup: before a risky Laravel migration, a database upgrade, a bulk update, or a cleanup script. Docker volumes keep database files across normal container recreation, but they do not undo accidental changes or replace an independent backup. I recently needed to back up MySQL … Continue reading How to Back Up a MySQL Database in Docker (MySQL 8.4)
A Practical Guide to Search Files by Modification Time in Modern Linux Distributions When working with Linux servers, you may need to locate files that were created, accessed, or modified during a particular period. For example, you might want to: Find files modified today or yesterday. Identify files changed during the last 24 hours. Search … Continue reading How to Find Files Modified Between Specific Dates in Linux Using the find Command
Connecting to Linux servers over SSH is part of everyday work for developers and system administrators. Entering an account password for every connection is inconvenient, especially when managing multiple servers. SSH public-key authentication provides a more secure and convenient alternative. In this tutorial, you’ll generate an SSH key pair, install the public key on a … Continue reading How to Set Up Passwordless SSH Authentication with ssh-copy-id in Linux
Happy 35-th Birthday Linux: The Operating System That Changed the World — A Story of Linus Torvalds and Open Source Revolution August 25, 1991, became one of the most important dates in the history of modern computing. On this day, a young Finnish computer science student named Linus Torvalds announced a small personal project that … Continue reading Happy 35-th Birthday, Linux: The Operating System That Changed the World
🐧 What does this Linux command do? At first glance, it looks simple. But this small command can save a lot of time when working with logs and large text files. Let’s break it down: — a stream editor for processing text; — disables automatic output of every line; — defines the range of lines … Continue reading What does sed -n ‘BEGIN,ENDp’ /path/to/file.txt Linux shell command do?
🎉 PHP 31-th Anniversary — A Quick Look at the Evolution of the Language from 7.4 to 8.4 PHP has come a long way — from a simple scripting tool to a powerful modern language with JIT, async capabilities, enums, readonly classes, and property hooks. Today, on June 8, 2026, (31-th PHP programming language birthday) … Continue reading PHP 31-th Anniversary — A Quick Look at the Evolution of the Language Code from Version 7.4 to 8.4
Laravel provides two main mechanisms for handling authorization: Gates and Policies. Both determine whether a user is allowed to perform a specific action — but they serve different purposes, scale differently, and fit different architectural needs. In this post, we’ll break down the differences, show real PHP examples, and give practical guidance on when to … Continue reading Gates vs Policies in Laravel: What’s the Difference and When Should You Use Each?
🗄️ How to Create a tar+bzip2 Website Archive While Ignoring VCS Folders (.git and others) When backing up web projects, you often need to create a compact archive without including version‑control system directories such as .git, .svn, .hg, or .bzr. These folders can take up hundreds of megabytes and are completely unnecessary in a production … Continue reading How to Create a tar+bzip2 Website Archive While Ignoring VCS Folders (.git and others)
Docker has become a standard tool for local development: it isolates environments, makes projects reproducible, and eliminates the classic “works on my machine” problem. In this post, I’ll walk you through a basic Docker workflow using a simple PHP + MySQL + Laravel stack. 🎯 What We Want to Achieve A PHP container (e.g., PHP … Continue reading 🐳 Basic Docker Workflow Using PHP + MySQL + Laravel
