Control Services and Boot Process Flashcards
What does the systemd utility do?
Provides a method for activating system resources, server daemons, and other processes, both at boot time and on a running system.
What does systemctl do?
A utility used to start stop, reload, enable, and disable services.
What does systemd do?
A utility used to manage service units, socket units, and path units.
What does the systemctl status command do?
Used to determine the status of system daemons and network services that the systemd utility started.
What does the systemctl list-dependencies command do?
Used to list all service units that a specific service unit depends on.
What can the systemd utility mask?
A service unit so that it does not run, even to satisfy dependencies.
What does the systemctl reboot command do?
reboots a system respectively.
What does a systemctl poweroff command do?
powers off a system, respectively.
What does the systemctl isolate target-name.target command do?
Switches to a new target at runtime.
What does a systemctl get-default command do?
Can query the default.
What does a systemctl set-default command do?
Can set the default target.
What is the rd.break option used for on the kernel command line?
To interrupt the boot process before control is handed over from the initramfs image.
Where is the root file system mounted?
In the rad-only in the / sysroot directory.
What can the emergency target do?
Diagnose and fix file-system issues.
