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Environment variables are a fundamental part of the operating system that are used by the shell and various processes to store information related to system settings and configurations. The export command in Linux is a built-in command in the Bash shell used to set environment variables. When you start a new shell session, it will […]

Running Linux commands in the background is helpful for various reasons; this capability allows you to execute multiple commands simultaneously in a terminal session without waiting for one command to complete. This feature is particularly beneficial when dealing with lengthy data processing or file transfers, which are time-consuming processes. It results in time savings and […]

For efficient Linux system management, automation, troubleshooting, security, customization based on needs, effective use of resources, comprehensive learning of Linux commands, and gaining skills in using Linux terminal are necessary. Understanding and utilizing common Linux commands enables users to manage their Linux systems effectively, and it facilitates essential tasks such as configuring system settings, managing […]

A DHCP (Dynamic Host Configuration Protocol) server is a network protocol and software service used to automatically assign IP addresses and other network configuration information to devices in a network without manual intervention. Imagine you have multiple clients on your network that need IP addresses and network configurations to establish connections with each other and […]

One of the file formats that is more noticeable when interacting with and managing files in the Red Hat family of Linux distributions is files with the .rpm extension. An RPM (Red Hat Package Manager) file is a specific software package in a file format used by Red Hat-based distributions such as Fedora, CentOS, and […]

Anaconda is an open-source distribution for Python and R programming languages, which includes a wide range of popular scientific computing packages, data analysis tools, and machine learning libraries. Anaconda is the pre-packaged and optimized distribution of Python and R. Anaconda is a comprehensive and integrated Python/R data science platform that is available in both free […]

You have undoubtedly encountered the “DNS_PROBE_FINISHED_NXDOMAIN” error at least once during web surfing. You know how the continuous occurrence of this error while accessing various websites can be frustrating. The “DNS_PROBE_FINISHED_NXDOMAIN” error is one of the common and familiar errors encountered during web browsing. It occurs when the DNS server encounters a problem resolving the […]

One of the simplest and most fundamental tasks for Linux administrators is interacting and working with files and directories, which are a crucial part of the file system. For Organizing files, correcting typographical errors in file names, preserving privacy, complying with standards for collaboration, maintaining consistency in file structures, and other reasons, renaming directories in […]

A Symbolic link (symlink), which is also known as a soft link, is a particular type of file at the file system level that is used to refer to another file or directory. The Symbolic link includes the path of the target file or directory in Linux systems, which specifies the location of a specific […]

Firewalls create a layer of security for your system by controlling network traffic in and out. Therefore, firewalls play a crucial role in securing your system against unauthorized access, malware, and other potential security threats. In general, disabling the firewall is not recommended for security reasons, but sometimes, specific scenarios may lead you to disable […]

The Linux operating system is one of the best and most widely used server OS in the Internet and private networks; for this reason, most large commercial companies and service providers use the Linux operating system to manage their infrastructure, applications, and other operations. As you know, large networks need to provide security, operating system […]

Linux was developed with the aim of providing powerful and modern command-line tools to optimize user workflows and respond to user needs. For this reason, it offers valuable features that I/O Redirection is one of the most powerful features of the Linux command line to increase users’ productivity in software development and other purposes.