How to Make VirtualBox Actually Full Screen.How to Select Full-Screen Option on VirtualBox?.
Join us if you’re a developer, software engineer, web designer, front-end designer, UX designer, computer scientist, architect, tester, product manager, project manager or team lead. The problem solvers who create careers with code. LinkedIn YouTube Facebook Twitter Products In this case, one file tweak can change your environment from bothersome to awesome. It's often said that, in Unix and Linux, "everything is a file." The procedure in this article only helps to underscore that claim. (I removed some of that line from the example in order to show the trailing entry.)Īnd voilà, we have our screen resolution set to 1920x1080.įood for thought: Can you use a different setting? Final note Notice the end of the line that starts with kernelopts. This is the file that was modified when we ran the grubby command. The contents of that file follow: sudo cat /boot/grub2/grubenv This is an environment variable that refers to yet another file, /boot/grub2/grubenv. Title Red Hat Enterprise Linux (4.18.86_64) 8.4 (Ootpa) Here are the contents of that file: sudo cat /boot/loader/entries/a7eef0f4eafb43ae806ac4597d9c4ad8-4.18.86_64.conf One is the rescue mode, while the other is the kernel boot option I normally choose. Here's that directory on my Red Hat Enterprise Linux 8 VM: $ sudo ls /boot/loader/entries/ĪnfĪ7eef0f4eafb43ae806ac4597d9c4ad8-4.18.86_64.confĪs the listing shows, there are two entries. The configuration file is located in the /boot/loader/entries/ directory. Grub2 reads information from a configuration file, which in turn refers to a key environment variable. When RHEL boots, it uses a boot loader called grub2.
Figure 2: The full screen size on a RHEL virtual machine.
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