As of Qemu 5.1, basic userspace network emulation can be provided by passing -nic user and. This can be easily tested with Buildroot qemu_x86_64_defconfig. For full qemu command lines please see the Examples section. QEMU stands for Quick Emulator and is the standard tool for virtualization and CPU emulation under Linux, Windows, and macOS. How to run qemu with -nographic and -monitor but still be able to send Ctrl+C to the guest and quit with Ctrl+A X? Qemu is open-source software for virtualization on Windows 10/8/7, Linux, and macOS but with a command-line interface, lightweight, and low hardware requirements.E.g., it improves behaviour if you also want to add a handy -monitor telnet later on: serial mon:stdio is optional in this minimal command, but it is generally a good idea to have around. The serial port sends characters between host and guest, instead of pixels on a display, and then QEMU can display those characters on the terminal. append 'console=ttyS0' makes QEMU pass the console=ttyS0 kernel command line option to Linux, which tells the kernel to use a serial port instead of the display. That option was also needed for Linux kernel be besides -nographic mentioned by osgx as in: qemu-system-x86_64 -append 'console=ttyS0' \
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