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How to boot a system into a different target?
# systemctl get-default graphical.target OR # ls -l /etc/systemd/system/default.target The above command will output a name of currently set default runlevel target unit. Set default runlevel target unit to multi-user.target target unit. This will configure your system to boot into runlevel3 the next time you reboot your system.
How to reboot into a multi user target?
Reboot your system by manually switching to reboot.target using the systemctl command. Can you also use runlevel target shutdown and power off your system? Set your system to boot directly to multi-user target. Reboot your system and confirm that the system persistently boots into multi-user target.
What is the default.target file in systemd?
Some targets (like basic.target) are used as checkpoints to ensure that all the required services are up and running before moving on to the next-higher level target. Unless otherwise changed at boot time in the GRUB menu, systemd always starts the default.target. The default.target file is a symbolic link to the true target file.
When to run a oneshot service in systemd?
You can run this “oneshot” service type multiple times without problems. The oneshot type is intended for services where the program launched by the service unit file is the main process and must complete before systemd starts any dependent process.
How to boot into different targets in RHEL?
Once ready note that targets such as for example the multi-user.target is simply a symbolic link of the runlevel3.target unit. List all available boot targets on RHEL system. The above section, explained how to change a default runlevel. This means that the next time the system is rebooted it will boot into a user selected runlevel.
How to reboot to a different TTY console?
If you cannot see login prompt you might need to change to a different TTY console by using the combination of CTRT+ALT+F1 keys. Reboot your system by manually switching to reboot.target using the systemctl command. Can you also use runlevel target shutdown and power off your system? Set your system to boot directly to multi-user target.