When redirecting the output of a command to a file or piping it to another command, you might notice that the error messages are printed on the screen. In Bash and other Linux shells, when a program is executed, it uses three standard I/O streams. Each stream is represented by a numeric file descriptor: 0
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How to Install and Configure Redis on Ubuntu 20.04
Redis is an open-source in-memory key-value data store. It can be used as a database, cache and, message broker, and supports various data structures such as Strings, Hashes, Lists, Sets, and more. Redis provides high availability via Redis Sentinel and automatic partitioning across multiple Redis nodes with Redis Cluster. This tutorial describes how to install
How to Install Skype on Ubuntu 20.04
Skype is one of the most popular communication applications in the world. It is cross-platform, available on Windows, Linux, and macOS. With Skype, you can make free online audio and video calls, and international calling to mobiles and landlines worldwide. Skype is not an open-source application, and it is not included in the standard Ubuntu
How to Enable SSH on Ubuntu 20.04
SSH (Secure Shell) is an encrypted protocol which allows connections between client system and a servers. You can connect to your system remotely, perform administrative tasks and access files. Also, you can transfer files securely via scp and sftp. In this tutorial we will show you how to enable SSH on an Ubuntu 20.04 system.
Ln Command in Linux (Create Symbolic Links)
A symbolic link is used to make links between files using ln command. A symbolic link, also known as a symlink or soft link, is a special type of file that points to another file or directory. This tutorial covers how to use the ln command to create symbolic or soft links. Links Types# There
Chmod Command in Linux (File Permissions)
In Linux systems, the chmod command is used to change the permissions and access mode of files or directories. This article explains how to use chmod command to change the access permissions of files or directories. File Permissions in Linux# In Unix based systems, a set of permissions and modes are associated with each file
3 Top Node.js Package Managers for Linux
Node.js is one of the most popular programming languages rocking the software development industry in the world over. While developing and using Node.js applications, one common software that developers and general users will always find themselves relying on is a package manager. A Node.js package manager interacts with online package repositories (that contain Node.js libraries,
How to Install Xrdp Server (Remote Desktop) on CentOS 8
Xrdp is an open-source implementation of the Microsoft Remote Desktop Protocol (RDP) server. It allows you to graphically control a remote machine. Using Xrdp, you can login to remote machine same as Microsoft Remote Desktop Protocol (RDP). This tutorial explains how to install Xrdp (Remote Desktop) on CentOS 8 system. Installing Desktop Environment# Typically, Linux
Python List Sort
Sorting data is one of the most common tasks when working with Python. For example, you may want to sort a list of team members by name, or a list of projects in order of priority. This article describes how to sort lists in Python. Python sort() and sorted() # In Python, you can sort
Zorin OS 15 – An Ultimate Linux Desktop Designed for Windows and macOS Users
In the advent of Linux’s grand entrance into the PC space back in 1993, has been an insurgency of operating systems and that time also happened to be the wake of a technological-oriented generation adopting computers at a much faster pace than ever before. In the light of this fact, Debian took off grandly (two