Open Source Articles

Found 1,225 articles

How to Copy File Permissions and Ownership to Another File in Linux?

Pradeep Elance
Pradeep Elance
Updated on 15-Mar-2026 1K+ Views

When backing up data or configuring software in Linux, you often need to maintain the same ownership and permissions across files. Instead of manually setting permissions for each file, Linux provides efficient methods to copy these attributes from one file to another using the chown and chmod commands with the --reference option. Copying File Ownership Use the --reference switch with chown to copy ownership from a source file to a target file ? Syntax chown --reference=source_file target_file Example Let's copy ownership from ref_file.txt to all_rivers.txt ? # Check current ownership ...

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Difference between Fedora and CentOS

Mahesh Parahar
Mahesh Parahar
Updated on 14-Mar-2026 308 Views

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 ...

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Difference between Fedora and Red Hat

Mahesh Parahar
Mahesh Parahar
Updated on 14-Mar-2026 1K+ Views

Fedora and Red Hat Enterprise Linux (RHEL) are both Linux-based operating systems from the Red Hat ecosystem. Fedora is the free, community-driven distribution that serves as a testing ground for new technologies, while RHEL is the commercial, enterprise-grade distribution built for production environments. Fedora Fedora is an open-source, free-to-use Linux distribution intended for developers and system administrators. It was introduced in September 2003 (initially known as Fedora Core) and is supported by the Red Hat community. Fedora delivers the latest software and technologies with new releases approximately every six months. Red Hat (RHEL) Red Hat Enterprise ...

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Difference between Fedora and Debian

Mahesh Parahar
Mahesh Parahar
Updated on 14-Mar-2026 351 Views

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 ...

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How is the Linux kernel tested?

Ahmed Abdul-Monem
Ahmed Abdul-Monem
Updated on 26-Mar-2025 405 Views

The Linux kernel is the heart of the Linux operating system, responsible for managing hardware resources and providing essential services to applications. Given its critical role, rigorous testing is paramount to ensure its stability, reliability, and security. This guide explores the multifaceted testing methodologies employed to safeguard the Linux kernel, from automated suites to community-driven efforts. The Importance of Kernel Testing The Linux kernel is incredibly complex, with millions of lines of code and support for a vast array of hardware. Testing is crucial to − Prevent regressions − Ensure that new code changes don't ...

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How to Clear BASH Command Line History in Linux?

Ahmed Abdul-Monem
Ahmed Abdul-Monem
Updated on 26-Mar-2025 867 Views

The Bash command-line history is a powerful feature that allows you to easily recall and reuse previously executed commands. However, there are times when you might want to clear this history for privacy reasons, security concerns, or simply to start with a fresh slate. This comprehensive guide will explore various methods for clearing your Bash command-line history in Linux, covering different techniques, options, and best practices. Why Clear Bash History? Clearing your Bash history can be important for several reasons − Privacy − If you've been working with sensitive information or executing commands you don't ...

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Explain the 3’A of open source security

Pranavnath
Pranavnath
Updated on 26-Dec-2024 393 Views

Introduction In the realm of cybersecurity, the standards of open source security have risen as directing signals for organizations endeavoring to protect their computerized scenes. Open source security rises above the limits of restrictive arrangements, emphasizing collaboration, straightforwardness, and shared duty. Central to this worldview are the three A's of open source security: Adopt, Act, and Assess. These three principles encapsulate a comprehensive approach to invigorating computerized guards, guaranteeing a proactive position against advancing dangers. In this article, we delve into the importance of the three A's, exploring their focal points, needs, disadvantages, application challenges, and overarching significance within the ...

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How to Check CPU Temperature on Linux?

Satish Kumar
Satish Kumar
Updated on 13-Nov-2024 19K+ Views

Introduction Monitoring CPU temperature on a Linux system is essential for maintaining optimal performance and preventing hardware damage. The CPU (central processing unit) is the brain of your computer, and it generates heat as it processes data. Over time, this heat can cause your CPU to slow down or even fail altogether. By monitoring your CPU temperature, you can identify potential issues before they cause permanent damage to your system. Understanding CPU Temperature on Linux CPU temperature is a measure of how hot the processor is running and is an important metric for computer performance. The faster a processor works, ...

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How to Check CPU Utilization in Linux with Command Line?

Satish Kumar
Satish Kumar
Updated on 13-Nov-2024 1K+ Views

Introduction Monitoring the performance of a Linux system is essential to ensuring that it is operating optimally. One of the key factors in determining the performance of a system is CPU utilization. CPU utilization refers to the percentage of time that the processor spends executing instructions from various processes and applications on the system. In Linux, there are numerous tools available for monitoring CPU utilization, but using command line tools provides a quick and efficient way to check this metric. Basic Command Line Tools for Checking CPU Utilization When it comes to monitoring CPU utilization with the command line in ...

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How to Check Debian Linux Version?

Satish Kumar
Satish Kumar
Updated on 13-Nov-2024 2K+ Views

Introduction Debian Linux is an open-source operating system that is widely used in both personal and professional settings. It was first released in 1993 and has since then gained a reputation for being stable, secure, and reliable. Debian Linux comes with a wide range of software packages that can be easily installed and used by users. Due to its stability, Debian Linux is the preferred choice of many system administrators who need to run servers or other mission-critical applications. Checking Debian Linux Version using Command Line Interface (CLI) The Power of the CLI For those who are unfamiliar with it, ...

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