php

All posts tagged php by Linux Bash

Posted on

April 2025

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Running PHP with Apache (`mod_php`)

php apache security configuration

This blog post explains how to use `mod_php` to run PHP scripts on the Apache HTTP server, highlighting its efficiency but also noting security implications. It provides a setup guide for various systems, methods to enable `mod_php`, testing steps, configuration tweaks in `php.ini`, and security enhancement tips. Ideal for small to medium projects, alternative methods like PHP-FPM are suggested for scalability and security as needs grow.

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Posted on

April 2025

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Installing Apache with PHP support (`libapache2-mod-php`)

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Discover how to install Apache with PHP support using `libapache2-mod-php` on Linux. This beginner-friendly guide covers system updates, Apache installation, PHP integration, and securing your setup to enable a smooth and secure environment for hosting dynamic web content. Follow simple, detailed steps for a hassle-free Apache PHP server configuration.

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Posted on

January 2025

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Connecting PHP to MySQL using PDO

php mysql pdo database connection sql

Learn how to secure and efficiently connect PHP to MySQL using PDO on Linux with this guide. Covering installation, database setup, and querying, this resource provides step-by-step instructions and best practices for developers looking to enhance web application security and performance.

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Posted on

January 2025

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PHP error logging and debugging

php error logging debugging troubleshooting development

Discover essential techniques for PHP error logging and debugging on Linux Bash in this guide for web developers. Learn to configure PHP for optimal error reporting, use command-line tools to monitor logs, and employ Xdebug for in-depth debugging, enhancing the stability and performance of your applications.

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Posted on

January 2025

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Using Composer for dependency management

composer dependency management php package manager libraries

This detailed guide on LinuxBash.sh explains using Composer to manage PHP dependencies in Linux. Titled "Mastering Composer: A Comprehensive Guide to Dependency Management for Web Developers in Linux," it introduces Composer, guides through its installation, and details project setup and dependency management. The article emphasizes best practices like committing `composer.json` and `composer.lock`, using version constraints, and choosing distributions over source files to boost efficiency and productivity.

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Posted on

January 2025

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Handling file uploads in PHP

php file uploads serverside scripting forms post method

This comprehensive guide explores handling file uploads in PHP, covering HTML form setup, PHP scripting, security best practices like file type validation, error handling, and setting permissions on Linux servers. Ideal for web developers, it focuses on essential PHP functions and user feedback for secure, efficient file uploads.

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Posted on

January 2025

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Debugging PHP with Xdebug

php xdebug debugging development tools

Discover how to efficiently debug PHP using Xdebug on Linux Bash environments in this detailed guide. Learn installation steps, configuration, and IDE integration for effective debugging. The guide also covers advanced features such as profiling and code coverage to enhance your development workflow.

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Posted on

January 2025

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Installing and configuring PHP on Linux

php linux installation configuration server

Learn how to install and configure PHP on Linux with this comprehensive guide, ideal for web developers. From choosing a Linux distribution to updating your system, installing PHP, and fine-tuning settings for optimal performance, this article covers all necessary steps. It includes details on working with different package managers, configuring PHP across multiple distributions like Ubuntu, Debian, CentOS, Fedora, and openSUSE, and integrating with servers such as Apache and Nginx. Gain essential skills for building web applications on a Linux-powered platform.

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Posted on

January 2025

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composer: PHP dependency manager

php composer dependency management package manager software development

Discover how to install Composer, a vital PHP dependency manager, on Linux using package managers like apt, dnf, and zypper. Learn why Composer, focusing on project-specific library management, differs from traditional package managers. Installation steps and manual installation guidelines are provided for various Linux systems, enhancing PHP library management and focusing on development efficiency.

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Enabling and Disabling Services Using `systemctl`

systemctl services enabling disabling linux

Master the management of Linux system services with this guide on using `systemctl`. Learn how to enable, disable, start, stop, and check the status of services to optimize system performance and boot times. This comprehensive article provides practical examples and clear explanations, making it an essential tool for both new and experienced Linux users aiming to master service management.

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Implement a port scanner using `/dev/tcp` and timeout handling

port scanner devtcp timeout handling bash tcp sockets

Discover how to create a basic port scanner using Linux's `/dev/tcp` and the `timeout` command in this blog post. The `/dev/tcp` pseudo-device facilitates direct TCP socket interactions from the Bash shell, enabling users to assess port availability. The post showcases how to manage connection timeouts with the `timeout` command to make scanning efficient and provides a script that demonstrates detecting open ports on specified host and port range.

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Integrating Apache with Nginx (proxy setup)

apache nginx reverse proxy configuration linux

Integrating Apache with Nginx on Linux blends the strengths of both servers, enhancing web content delivery and security. Nginx serves as a high-performance reverse proxy, managing static content and security, while Apache handles dynamic requests. This guide details setup steps, from installation to configuration, providing a scalable and efficient server solution.

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Resolving keyring issues in APT

keyring apt troubleshooting linux package management

This blog post offers an in-depth guide on solving keyring problems in Linux package managers like APT, DNF, and Zypper. It details steps to update, reinstall, or manually install keyrings and trust new keys, ensuring smooth package updates and installations. It emphasizes careful key operations for maintaining system security.

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Mounting Filesystems with User-Specific Permissions

file systems mounting user permissions linux access control

Learn how to mount filesystems in Linux with user-specific permissions to enhance security in multi-user environments. This guide delves into using `mount` command, editing `/etc/fstab`, and options like `uid`, `gid`, and ACLs for precise control, along with practical examples for administrators aiming to secure filesystem access.

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Mounting Virtual Disk Images in Linux

linux virtual disk images mounting file systems loop device

Learn how to mount virtual disk images in Linux with this detailed guide for beginners. Explore essential tools like 'mount' and 'losetup', and processes for handling ISO, IMG, and VDI file types. Utilize `qemu` for advanced disk image types, and uncover the steps for partitioned images and VDI files in VirtualBox using `qemu-nbd`. Ideal for developers and tech aficionados looking to enhance their Linux skills and streamline their workflow.

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Cleaning up unused packages and dependencies

package management system cleanup dependencies uninstallation storage optimization

Learn to tidy up Linux systems by managing unnecessary packages and dependencies via popular package managers like APT, DNF, and Zypper. The guide covers critical steps such as updating lists, upgrading packages, and safely removing unneeded dependencies, enhancing system efficiency. Practical tips and additional resources for deeper understanding are also provided.

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Using API calls via `curl` in Scripts

api curl scripts api calls automation

Learn to use `curl` in bash scripts for API calls with this comprehensive guide on LinuxBash.sh. Covering installation on various Linux distributions, the article delves deep into basics and advanced uses, including GET and POST requests, handling API responses with tools like `jq`, and security practices. Ideal for system administrators and developers aiming to automate API interactions.

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Mounting Filesystems as Read-Only

file systems readonly mounting security data integrity

This article on LinuxBash.sh explains mounting filesystems as read-only in Linux, crucial for data integrity and security. It offers practical guidance for using the `mount` command and modifying `/etc/fstab` for permanent changes. Detailed scenarios, command examples, and tips ensure users can safely manage filesystem operations and enhance system stability. Further resources are recommended for deeper learning on Linux filesystem management.

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Securely Mounting Encrypted Drives

encryption data security mounting drives disk encryption secure storage

Learn how to securely mount encrypted drives in Linux with this guide covering LUKS and cryptsetup use. Essential for users concerned about data protection, this tutorial offers detailed steps for encryption, including tools installation, drive setup, secure mounting, and automated boot processes. Ideal for ensuring compliance and safeguarding sensitive information against unauthorized access. Further reading is provided for more advanced topics.

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Managing Flatpak packages on Linux systems

flatpak linux package management software deployment

This guide offers insights on managing Flatpak packages, enhancing Linux application distribution via standardized, secure, sandboxed environments. Learn to install Flatpak, add Flathub repositories, and handle applications. Also find commands for installing, updating, and uninstalling software, plus tips for system efficiency and links for deeper exploration of Flatpak's potential. Ideal for both newcomers and seasoned Linux users aiming to refine their software deployment strategies.

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Managing Temporary Files in `/tmp` and `/var/tmp`

temporary files tmp vartmp file management system cleanup

The article details best practices for managing temporary files in Linux's `/tmp` and `/var/tmp` directories. It distinguishes between their usages: `/tmp` for data needing persistence only within a current boot session, and `/var/tmp` for files needed beyond a reboot. It emphasizes the importance of properly setting permissions, selecting appropriate storage directories, routinely cleaning up these spaces, and monitoring disk usage for optimal system performance. It also suggests automating cleanups with tools like `tmpreaper` and `tmpwatch`.

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Traffic monitoring on a network interface using Bash and system tools

bash network interface traffic monitoring system tools linux

This blog offers a detailed guide on monitoring network traffic on a Linux interface using Bash and system tools like iftop, iptraf, and tcptrack. It covers tool installation, usage, and automation across different Linux distributions, providing essential insights for administrators to track real-time network performance and maintain security.

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How to Secure Your Bash Scripts: Best Practices

linux bash scripts security best practices

Learn to fortify Bash scripts with essential security practices. Key points include using absolute paths, proper error handling, sanitizing user inputs, and avoiding hardcoded credentials. Also, manage file permissions, utilize secure communications, and frequently update dependencies to bolster script security. Ideal for developers in various system environments.

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Configuring GRUB Bootloader on Each Distro

grub bootloader configuration distro linux

Learn how to configure the GRUB bootloader across various Linux distributions including Ubuntu, Fedora, and Arch Linux. This guide provides step-by-step instructions for managing default boot settings, editing kernel parameters, and troubleshooting dual-boot systems. Essential for any Linux user wanting to enhance their system's boot process.

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Working with SSH in Bash: Remote Command Execution

ssh bash remote command execution linux

Learn to combine SSH with Bash scripting for effective remote command execution. This guide covers setting up SSH key authentication, automating tasks, and managing files and sessions using scp or rsync. Ideal for system administrators and developers, it provides practical examples to enhance productivity in server management and operational tasks.

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Configuring gzip compression for Nginx

nginx gzip compression configuration web performance server optimization

This detailed guide explains how to configure gzip compression for Nginx on Linux, highlighting its benefits such as reduced bandwidth use and faster loading times. It covers prerequisites like having Nginx and Linux skills, steps to edit the Nginx config file to enable gzip, setting compression levels, file types for compression, and methods to test the setup. The article ends with best practices and further reading suggestions to enhance understanding of Nginx optimizations.

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Installing Python and virtual environments (`venv`, `virtualenv`)

python virtual environments venv virtualenv installation

This guide explains how to install Python on Linux and set up virtual environments using `venv` and `virtualenv`. Learn to effectively manage different project dependencies, avoiding system-wide package conflicts and ensuring reliability across varied setups. Essential for web developers aiming to streamline their workflow and boost productivity with Python.

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Adding custom repositories for APT

apt custom repositories linux package management software sources

Learn to add custom repositories to APT in Debian or Ubuntu systems. This guide explains editing the `sources.list` file or creating new files in the `sources.list.d` directory. Also, gain tips on selecting trusted repositories and updating package lists with `sudo apt update`. Essential for Linux users and admins wanting secure, expanded software options.

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