Piano Guidance
Piano Guidance
Photo: Ksenia Chernaya
Most users only ever see the first console. If you are running a graphical desktop, it will be on the first virtual console. If you hit CTRL-ALT-F2, you'll get a text-based login prompt. You could log in there, and start another, different graphical desktop.
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Read More »Last week, I attended a DevNation talk, "Getting Started with C# on Red Hat Enterprise Linux and OpenShift", given by Scott Hunter from Microsoft. The first thing Scott asked was, "Does anyone know how to recover from hitting CTRL-ALT-F8 in Red Hat Enterprise Linux?" Apparently, an hour or two before his presentation, Scott accidentally hit that key sequence while trying to use a keyboard shortcut for Hyper-V which was running his Red Hat Enterprise Linux VM on his Microsoft Surface convertible. That key sequence resulted in an unresponsive blank screen with a blinking cursor that he couldn't figure out how to recover from. Of course this gave Scott a mini heart attack given his imminent presentation that was to include a live demo. If you've been around Linux long enough, you probably know that this is a feature called Linux Virtual Consoles. I'll explain that in a bit. But the point of is we are in new world where we've got a lot of developers who are new to Linux. So the question is how to give developers who aren't system administrators, concise easily accessible Linux know-how so they can get their jobs done? If you've been following developers.redhat.com, you may have noticed a few answers to that question:
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Read More »Multiple virtual consoles exist because in many cases they can be a real help if something goes wrong with your desktop, such as a misconfigured video driver, making your screen unreadable. This feature was used heavily by those developing components such as the X window server, desktops such as GNOME, or even the Red Hat installer Anaconda. When you are installing Red Hat Enterprise Linux, you will normally only see the installer screen. However, if something goes wrong, you can flip through the virtual consoles to see the logs, or get a text based shell that can be used for installing other drivers, fixing configuration problems, or capturing diagnostic info to send to Red Hat. If you are running in a VM today, you probably won't have a need to use Linux Virtual Consoles. Hopefully now you will know how to recover if you accidentally switch to the wrong console. I was able to explain this to Scott after his talk. So what questions do you have about developing on Red Hat Enterprise Linux? See you on Stack Overflow or in the forums.
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