A port is a logical entity that represents an endpoint of communication and is associated with a given process or service in an operating system. In previous articles, we explained how to find out the…
In a production environment, no matter how large or small your PostgreSQL database may be, regular backup is an essential aspect of database management. In this article, you will learn how to backup and restore…
Compression is a very commonly performed operation by users to save disk space as well as reduce time and bandwidth while transferring large amounts of data over the network using gzip utility. gzip stands for…
In programming languages, Loops are essential components and are used when you want to repeat code over and over again until a specified condition is met. In Bash scripting, loops play much the same role…
Bash (Bourne Again Shell) is a command-line program that accepts commands provided and executes them. It takes Linux commands directly typed into it interactively from a keyboard or from a shell script file. Bash is…
The rm command is a UNIX and Linux command line utility for removing files or directories on a Linux system. In this article, we will clearly explain what actually rm and “rm -rf” commands can…
In Unix/Linux systems, the root user account is the super user account, and it can therefore be used to do anything and everything achievable on the system. However, this can be very dangerous in so…
Linux systems provide a variety of system services (such as process management, login, syslog, cron, etc.) and network services (such as remote login, e-mail, printers, web hosting, data storage, file transfer, domain name resolution (using…
SSH security is a top priority when setting up your server. The default SSH settings are usually not robust enough to safeguard your server from external attacks. Therefore, additional tweaks are needed to provide a…
SSH, an acronym for Secure Shell, is a remote network protocol that is used to securely connect to remote devices such as servers and network devices over a TCP/IP network. It is a cryptographic network…
Listing files is one of the most widely undertaken tasks by ordinary Linux users and system administrators. In Linux, the ls command, short for “list” is used to list or display the contents of a…
Git is the most popular version control system (VCS) used by developers and development teams to keep track of changes made to source code. In fact, it is the most popular version control system used…
In the May 2023 survey we received responses from 1,109,384,426 sites across 271,534,718 domains and 12,037,194 web-facing computers. This reflects a loss of 6.0 million sites, 976,941 domains, and 52,213 web-facing computers. Microsoft saw the…
Download managers on Windows are one of the most needed tools that are missed by every newcomer to the Linux world, programs like Internet Download Manager Download Accelerator Plus and Free Download Manager are very…
Ubuntu is one of the most widely used and popular Linux distributions, that comes in multiple editions including Ubuntu Desktop, Ubuntu Server, and Ubuntu Core to mention a few. Ubuntu Desktop is a perfect choice…