Perl is a programming language popular for its powerful text-processing capabilities. As a modern programming language, it provides a vast repository of modules and extensions. Perl also offers versatile tools for system administration, web and GUI development, and more. This technical post provides stepwise instructions on how to install, test, and uninstall Perl on Ubuntu
FTP is the short form of File Transfer Protocol. FTP server is a software that enables you to send and receive files through the internet. It is easy to operate as well as provides a convenient way to transfer files securely. In short, setting up the FTP server on Ubuntu 22.04 facilitates you to transfer
The “sudo” command is a strong tool in the Linux system that permits the user to run/execute a command as the superuser as well as another user. It stands for “super user do” as well as “substitute user do” or and it is an essential command for system administration. Understanding and effectively using the “sudo”
The operating system (OS) version in Linux refers to the specific release/version of the Linux distribution installed on your machine. There are multiple operating systems based on Linux. Among them, some of the popular distributions are Red Hat, Ubuntu, Debian, CentOS, and OpenSUSE. In Linux, checking the OS version can be an important step for
Symbolic Link in the Links acts like a shortcut or link to the original file. These links enable you to access files and even directories from different locations without having to physically move them. The Symbolic links do not affect the content inside the file or directory rather they create a link between the original
In Linux, the grep stands for global regular expression print. It is a simple command that can be utilized to search within text files. With different options, you can customize your searches for specific patterns. Additionally, you can search for or filter patterns within multiple files. This educational post is about how to use grep
In Linux, Ping is a useful command for testing, diagnosing, and troubleshooting network connectivity. It sends requests to a specified destination and receives responses for each packet. You can use the Ping command for various purposes, including network testing, DNS testing, diagnosing packet loss, load testing, and more. If you are curious about the usage
Iptables, in Linux-based systems, are used for managing network traffic. These are the rules that control outgoing and incoming traffic, ensuring network security. You can keep networks safe by allowing only authorized traffic by inspecting them through the listing. Additionally, you can delete unwanted IPTables and firewall rules from your Ubuntu system. This post aims
Loops in Bash repeat a set of commands multiple times till it finds the condition that matches. It is used to automate complex processes in scripts. In Bash scripting, the statements Break and Continue are mainly used for controlling the execution flow, specifically in the loops. In simple words, Break terminates or stops the iteration
Environment variables comprise names and values that define the system environment. These variables store essential information, including paths, system names, and other configuration settings. With environment variables, you can automate tasks and control the behavior of programs within the operating system environment. Through this guide, you can set environment variables temporarily, permanently, and globally in
