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

Surely you have faced a situation when the Internet on your computer suddenly breaks, such behavior can be observed when using ADSL modems, long distance Wifi, GSM and other similar unreliable technologies. You can quickly find out if your computer

The less command allows you to rewind the text not only forward but also backward, search in both directions, go straight to the end or the beginning of the file. The peculiarity of less is that the command does not read the text completely, but

In some cases you may need to see how much space files occupy in a certain folder and find the largest files to delete. There are several tools to solve these tasks, but the simplest of them is the du utility. It allows you to display the size of

Each file and folder in the file system has a so-called Inode structure where the metadata of this object is stored. It stores the owner, owner group, time of modification, creation and access to the file, as well as other information. It can be

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

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

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

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