The loginctl program is part of the systemd set of utilities that allow you to manage your system. It allows you to manage current user sessions, view the list of active users, lock the screen or interrupt sessions altogether, and terminate user processes.
While connecting to a remote desktop connection (RDP), users encounter a problem such as a black screen. Most often, this problem is due to the fact that the session has simply hung. You may have noticed that a session hangs when you can't log out of your login, or simply when the RDP window closes, sometimes justifiably so that you can reconnect quickly.
In the last article we described how to compress JPEG images. Now we will tell you how to solve a similar problem, but already in relation to pictures with PNG format. PNG is a very popular picture extension. The format was developed as a replacement for GIF. The size of PNG pictures is often very different in terms of color depth, interlacing, as well as due to a certain compression algorithm.
You may have a lot of images on your computer and they take up an inordinate amount of space, is there anything you can do about it? For example, compress them without loss of quality. Compression may also be very appropriate if you are uploading a batch of images to a cloud server.
In this article, we will tell you how to work with variables and structures. This is especially useful material for novice users. Recall that the language has static typing. In Python, Ruby or JavaScript you will have to perform several correctness checks. Go avoids this problem.
Beautiful landscapes are one of the best options for desktop wallpapers. We have already published a series of images, we continue this tradition with another dozen of colorful images in high resolution
We have already told you about the history of the Go programming language, its structure and syntax, now we can execute the simplest program on it, namely the classic Hello World. Ready? Then it won't take long to get the hang of it.
We have already told you how the GO programming language came to be. Now it's time to learn the syntax of the language. This is an important part of learning the language. If you are not familiar with the history, we recommend that you familiarize yourself with this material.