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Linux Articles
Page 115 of 134
Install Lighttpd with PHP and MariaDB on RockyAlmaLinux
RockyAlmaLinux is a robust and secure Linux distribution that serves as a perfect replacement for CentOS. This article will guide you through installing a complete web server stack with Lighttpd, PHP, and MariaDB, providing detailed instructions with examples and expected output for each command. Prerequisites: Administrative access to your RockyAlmaLinux system and an active internet connection. Step 1: Update the System First, update the system's package repositories and upgrade installed packages to their latest versions − sudo dnf update $ sudo dnf update Last metadata expiration check: 0:20:47 ago on ...
Read MoreInstall LAMP - Apache, PHP, MariaDB and PhpMyAdmin in OpenSUSE
The LAMP stack, which stands for Linux, Apache, MySQL/MariaDB, and PHP, is a powerful combination of open−source software widely used for web development and hosting. In this tutorial, we will guide you through the process of installing and configuring the LAMP stack on openSUSE, a popular Linux distribution. Step 1: Update System Packages Before we begin, it is essential to update the system packages to ensure that we have the latest software versions and security patches ? sudo zypper refresh sudo zypper update Step 2: Install Apache Apache is a widely used web ...
Read MorePDF generation from XHTML in a LAMP environment
The LAMP environment is widely used for web development, and it is an acronym for Linux, Apache, MySQL, and PHP. This environment is an open-source platform that is easy to use and deploy. PDF format is commonly used for sharing and exchanging documents over internet. However, generating PDF documents can be a challenging task in a LAMP environment, especially when converting XHTML documents. In this article, we will explore different methods used for PDF generation from XHTML in a LAMP environment. What is XHTML? XHTML stands for Extensible Hypertext Markup Language, which is a markup language that is ...
Read MoreHow to restart a NoSQL Database service like MongoDB?
To restart a MongoDB service, use the systemctl command on modern Linux systems. MongoDB runs as a system service called mongod that can be managed through systemd service management tools. Syntax sudo systemctl restart mongod sudo systemctl status mongod sudo systemctl enable mongod Method 1: Using systemctl (Recommended) Check the current status of MongoDB service ? sudo systemctl status mongod mongod.service - MongoDB Database Server Loaded: loaded (/lib/systemd/system/mongod.service; disabled; vendor preset: enabled) Active: inactive (dead) Docs: https://docs.mongodb.org/manual Restart ...
Read MoreDifference between grep and fgrep command
Both grep and fgrep are Linux commands used to search for strings in files, directories, or command output. The key difference is that grep supports regular expressions, while fgrep treats the search pattern as a fixed (literal) string. grep (Global Regular Expression Print) grep searches for strings or regular expressions in files. It interprets special characters like ., *, ^, $, [ ] as regex metacharacters. It uses the Boyer-Moore algorithm for fast searching. fgrep (Fixed grep / grep -F) fgrep (equivalent to grep -F) searches for fixed strings only. It does not recognize regular expressions ...
Read MoreDifference between Fedora and CentOS
Fedora and CentOS are both Linux-based, open-source operating systems from the Red Hat ecosystem. Fedora focuses on delivering the latest technologies for developers, while CentOS provides a stable, free alternative to RHEL for production server environments. Fedora Fedora is an open-source Linux distribution intended for developers and system administrators. It is developed by the Fedora Project community and sponsored by Red Hat. Introduced in September 2003 (initially known as Fedora Core), it delivers cutting-edge software with new releases approximately every six months. CentOS CentOS (Community Enterprise Operating System) is a free, open-source Linux distribution built from ...
Read MoreDifference between Fedora and Debian
Fedora and Debian are both popular Linux-based, open-source operating systems. Fedora is backed by Red Hat and targets developers with cutting-edge software, while Debian is community-driven and known for its stability and massive package repository. Fedora Fedora is a Linux-based operating system primarily intended for developers and system administrators. It is supported by the Red Hat community and was introduced in September 2003 (initially known as Fedora Core). Fedora focuses on delivering the latest software and technologies with frequent release cycles (approximately every 6 months). It uses the dnf package manager with .rpm packages. Debian Debian ...
Read MoreMonitoring Disk Usage in Linux
Disk space is a precious resource on any Linux system. Whether you're running a small home server or a large enterprise cluster, it's crucial to monitor disk usage to prevent running out of space, identify potential issues, and optimize storage allocation. This comprehensive tutorial will explore various command-line tools and techniques for effectively monitoring disk usage on Linux, empowering you to keep your storage under control. Command-Line Tools for Monitoring Disk Usage Linux provides a rich set of command-line tools for monitoring disk space. Here are some of the most essential ones − df (Disk Free) The df command provides ...
Read MoreHow to Block SSH Server Attacks Using DenyHosts?
Secure Shell (SSH) stands as the cornerstone of remote server administration. It provides a secure channel for accessing and managing your servers. However, this essential service is also a prime target for malicious actors. Brute-force attacks, where attackers systematically try numerous username and password combinations, pose a significant threat to SSH security. DenyHosts offers a straightforward, albeit older, approach to mitigating these attacks by automatically blocking IP addresses after repeated failed login attempts. This tutorial provides a detailed walk through of installing and configuring DenyHosts on the latest Ubuntu LTS Version 24.04. Important Note − It's crucial to understand that ...
Read MoreHow to Debug and Fix Boot Issues in Linux?
Encountering a Linux system that refuses to boot can be a stressful experience. However, with a systematic approach and the right tools, you can often diagnose and resolve these issues. Here we will walk you through common boot problems, debugging techniques, and effective solutions to get your Linux system back on track. Understanding the Boot Process A brief recap of the boot process is helpful for troubleshooting − BIOS/UEFI − Hardware initialization and boot device selection. Bootloader (GRUB/systemd-boot) − Loads the kernel and initial RAM disk. Kernel ...
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