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Intro
Often, we need to change the metadatas of our photos. The most common reason is that the clock of our camera was not set correctly. Another common problem is that the cheaper cameras don't recognize the rotation.
I have just tried the new Debian Stretch now. I liked, but still there are some problems...
In recent Debian systems, the wireless configuration is delegated to a network-manager application by default, and the network-manager is a part of your desktop environment. It seems very comfortable for newbies, but an awful solution for an administrators who often use the console. I show you how you can manage your wifi networks using /etc/network/interfaces file.