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In Linux, processes and ports have a symbiotic relationship. One cannot exist nor function without the other. Processes tend to share ports and some processes rely on a specific port to meet an operating system objective.

On the internet, you will find plenty of tools for checking disk space utilization in Linux. However, Linux has a strong built-in utility called ‘df‘. The ‘df‘ command stands for “disk filesystem“, it is used to get a full summary of available and used disk space usage of the file system on the Linux system.

On your personal computer at home, you are most likely the only user who is connected to your Linux system. However, if you are a user at the Linux server in your company there can be other users as well.

Are you a music producer and use Linux as your primary operating system, then music production is going to become easy for you after reading this article.

The legacy and standards that drive the Linux operating system make it impeccable and unique among other operating system distributions in terms of achieving certain user-critical functionalities.

Rsync (Remote Sync) is the most commonly used command for copying and synchronizing files and directories remotely as well as locally in Linux/Unix systems.

As the Linux operating system grows on you, you start being labeled the nerd you always wanted to be. Your behavior in this operating system environment changes completely. You develop a superiority complex that transforms you from a GUI-oriented user to a terminal-based user.

This is an optional step intended only for those who wish to host multiple sites on the same server. So far, our LAMP setup can only host one site. If you wish to host multiple sites, then you need to set up or configure virtual host files. Apache virtual host files encapsulate the configurations of multiple websites.

In this article we will explain how to use Onionshare, an open source desktop utility that allows you to share files hosted on your own computer of any size securely and anonymously using the Tor browser on the other end.

But it doesn’t just end there. Website security is now one of the greatest concerns across most organizations and users alike in the face of growing cyber threats. There are several ways of securing your website. One of the primary ways of implementing some basic protection against hackers is to encrypt your site using an SSL/TLS certificate.

While writing program files or normal text files, programmers and writers sometimes want to know the difference between two files or two versions of the same file. When you compare two computer files on Linux, the difference between their contents is called a diff.

It’s really a very tough job for every System or Network administrator to monitor and debug Linux System Performance problems every day.

Data encryption is a must-have feature in today’s world of cybersecurity. It allows you to encode your data making it unintelligible to someone who doesn’t have the authorized access. To be more secure online, it might be a good idea to opt for software that comes with this useful feature by default.

During your continued usage of an Ubuntu or Debian-based operating system environment, you probably encountered terminal-bound errors like “permission denied” or something like “user is not in the sudoers file”.

MongoDB is a high-performance, highly scalable document-oriented NoSQL database that is designed to handle high traffic and huge volumes of data. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents.

Postfix is both a popular and preferred Mail Transfer Agent (MTA) for more than 25% of active and public internet mail servers. This attribute has something to do with its open-source status. Many Linux systems benefit from its extensive mail routing and delivery services.

Java is a cross-platform, object-oriented, and multipurpose programming language that is primarily used for creating mobile, web, and cloud applications. Additionally, you can use Java to create games, chatbots, enterprise applications, and a whole lot more.

On a network such as the Internet, mail clients send mails to a mail server which then routes the messages to the correct destinations (other clients). The mail server uses a network application called Mail Transfer Agent (MTA).

MariaDB is a free and community-developed relational database system that is a compatible drop-in replacement for the hugely popular MySQL database management system.

One such feature of the Bash shell that can be changed in your customized settings is the history command, which is affected by some environment variables and some shell options (shopt – a command to set and unset shell options).