Love to experiment with ubuntu and in this connection often drop the system. And every time with my slow Internet to put all packages for new is too expensive and time consuming. Advise such a tool that would help me without any problems to create an image of ubuntu after installing it and my major working tools? So you could literally put all the running, download the updates, and once to create the backup, but that would fit on a flash drive. Then, if you drop the system, so you can with this USB flash drive without any problems under the net to restore the initial ubuntu image.
Google know how to use. Found several ways. But not checking them is not very clear which one to choose for my problem. Plus when you install ubuntu there's a suspicious item, alluding to the fact that it is possible to create images or restore points if I'm not mistaken.