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Identity Operators in Python - Explained with examples

This article covers identity operators in Python which are used to determine if a value belongs to a given class or type, and they are typically used to identify what sort of data a variable contains. In fact, Identity operators are used to find an object's memory unit, which is especially useful when two objects have the same name and can only be identified by their memory location.

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Adding a Printer to Ubuntu 21.10 system - Step by step guide ?

This article covers how to easily attach a printer to your Ubuntu (Linux OS) to ease the lives of Linux users. In fact, A printer is a hardware device that is commonly used to convert the softcopy of a particular document to a hardcopy. It is now commonly used in offices, schools, and homes. Printers have made many things easier for the average person.

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Different methods to Install Debian (.deb) Package

This article covers how to install Debian (.deb) packages on Debian 11 Linux system. In fact, A file ending with ".deb" is called a Debian Software Package file, and it’s used to install apps on Linux. DEB files are used only in Debian-based Linux distributions like Ubuntu and its various flavors, Pop!_OS, Linux Mint, and others.

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Open a Port on Ubuntu 20.04 - Step by step guide ?

This article covers how to open ports on Ubuntu with some examples like opening port 22, port 80, port 443, and port 53 using the ufw command.

To Open port for a specific webserver such as Apache or Nginx execute the bellow Linux command:

$ sudo ufw allow in "Apache Full"
$ sudo ufw allow in "Nginx Full"

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