CodePre offers a wide variety of tutorials on the topic Ubuntu.

How to install ProFTPD with TLS on Ubuntu 16.04 LTS

Transferring files via FTP (File Transfer Protocol) is probably the most popular way to upload files to a server. Proftpd is a popular and versatile FTP server that is available as OpenSource software and supports TLS (SSL) for secure connections. By default, FTP is an insecure protocol because passwords and data are transmitted in clear… read more »

How to install and configure a VNC server in Ubuntu 16.04 LTS

VNC or Virtual Network Computing is a graphical desktop sharing tool that allows you to remotely control a computer (server) from another computer (client). The VNC server transmits all keyboard and mouse events from the client computer to the server computer. If you are not familiar with command line interfaces such as a terminal, etc.,… read more »

How to create a file in Linux using a terminal

As we all know, Linux is an operating system mainly used by Geeks and developers who mainly work on the keyboard and like to write commands instead of using a graphical user interface (GUI). Unlike the Windows operating system, where most of the work is done with a few clicks of the mouse, while on… read more »

Ubuntu User Management Beginner’s Guide

Introduction to Linux User Management in Ubuntu User management is one of the most important tasks in the corporate environment. Even one system uses several users not only to enter the system, but also to run various applications. An administrative role is also required for the Linux environment to manage multiple user accounts, their credentials,… read more »

Flatseal: A graphical tool for managing Flatpak application permissions

Currently, there are many applications that can be installed on a Linux desktop via the Flatpak package. If you are stuck with flatpak applications, Flatseal can help. Flatseal is a graphical utility for checking and changing the basic permissions of all installed Flatpak applications. Launch Flatseal and select or search for an application from the… read more »

Managing IP Addresses on Ubuntu Linux

Nowadays, everything is on the Internet. This is not to say that “the Internet has become the main necessity of our life.” And the Internet is a network of networks interconnected. To surf the Internet, you need to know the basics of the network, how to connect your local network to the Internet. The first… read more »

How to install Ubuntu 18.04 with Windows 10

Ubuntu is a popular open source operating system that is easy to install. It is quite flexible due to unlimited customization options and has a high degree of security. For many developers, the journey of Linux begins on Ubuntu, so today we will give you the installation guide for Ubuntu 18.04 with Windows 10. Background… read more »

Is your Ubuntu 32-bit or 64-bit OS?

As a Linux user, it sometimes becomes important to know whether you are using the 32-bit or 64-bit version of Ubuntu on your system. The question is how to check the appearance of your operating system (OS), as well as the architecture of the underlying processor. This lesson will answer the following questions for you:… read more »

Working with multiple terminal tabs in Ubuntu

Nowadays, Linux users can perform various operations through programs with a high-performance graphical interface. However, there are several reasons to use the Linux command line called Terminal. Through the terminal, you can access many powerful native Linux commands, as well as command line functions of many desktop applications. You can install software on Ubuntu much… read more »

How to set up your own sound on startup in Ubuntu 18.04 LTS

As a Linux user, you may be fairly familiar with the drum beat trigger sound that Ubuntu plays when you boot your system. Its purpose is to welcome you and say that the system is ready for use. It also ensures that the audio equipment is installed and working correctly. Initially, the launch of operating… read more »