![]() Use the -message= option to specify a custom message describing the cause for the reboot: sudo systemctl -message="Hardware upgrade" reboot Run the reboot command with the -no-wall option to prevent it from transmitting a message: sudo systemctl -no-wall reboot All open files will be closed, running programs will be stopped, and the system will be restarted. ![]() The system will be restarted as soon as possible.Īll logged-in users and processes are warned that the system is going down when the reboot is triggered, and no additional logins are permitted. Simply type reboot or systemctl reboot to restart your Linux system: sudo systemctl reboot ![]() Run the commands as root or as a user with sudo access. In this tutorial, we'll show you how to reboot your Linux machine with the systemctl and shutdown commands. The commands reboot and shutdown are aliases for systemctl and are included in the system for compatibility. The systemctl utility replaces most of the power management commands used in previous Linux versions with sysvinit in most recent Linux variants. You'll need to know how to restart a headless Linux server from the command line if you're using it. In some cases, a system reboot is essential, such as when debugging hardware issues, installing apps, and so on. Unless you're using Livepatch or KernelCare, you'll need to reboot your Linux system when the kernel is updated.
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