Most of the tasks in Ubuntu are easier and more convenient to do through the terminal. This applies to managing the file system, various settings, installing applications. It is very important for the user to have a comfortable to read text.
To connect your phone to a computer and control it, the adb utility is suitable. This is quite a useful command, but if you want to flash root rights, third-party recovery menu or other firmware to the device, you will have to unlock the bootloader of the device first.
Terminal commands are the main advantage of the Linux operating system. The problem is that the user is not always able to figure out all the commands on his own. This is useful, because with the help of commands you can do much more, and importantly, much more conveniently, compared to the graphical interface. The developers have created a special help system where you can find information about any command. Most of the commands contain help pages in their packages, which are added to the common database during installation. In this article we will talk about what man is and how to use this utility.
Wireshark is a popular program that allows you to analyze network traffic. The program allows the user to view the contents of network packets at different levels of network operation. In addition to directly analyzing traffic, the program has the ability to decrypt encrypted wireless network packets. Unlike the console utility tcpdump, Wireshark has a very convenient graphical interface.
FFmpeg is a tool for converting files in most known video formats. The FFmpeg program has no graphical interface, but it allows you to perform tasks that other video converters are simply powerless to do. In this article, let's see how to install FFmpeg in Ubuntu 20.04 from the official repositories, as well as using the snap package. And then let's talk about how to use it to convert a small video from one format to another.
This is the name of a queue server that can handle messages using AMQP (Advanced Message Queuing Protocol). Several other protocols are also used with the help of plugins. Most often used as a broker of text messages, it receives messages from programs that generate them and delivers them to programs that are ready to receive them. The server itself is written in Erlang.
In Linux, users and groups are used to access the file system. Each file has an owner user and a group from which users can access it. This is a very simple yet flexible privilege system. Users are used not only for people working on the PC but also for running processes, allowing you to limit their sphere of influence. Next we will look at how to add new users to Debian.
The advantage of Linux is that you can customize anything you want. This is the advantage of projective systems over procedural systems. It is a kind of constructor, consisting of individual blocks, each of which can be customized at will.
Virtual machines are ubiquitous these days for testing various operating systems and performing other tasks. A popular and free program for running virtual machines is VirtualBox.
LibreOffice Calc table processor allows you to delete table rows with repeating values in cells completely automatically. The function of removing duplicates in this program is not implemented in the most obvious way, but it is quite easy to understand it.