RHCSA-Service/Boot-MGT- Questions and Answers 100% Solved

RHCSA-Service/Boot-MGT- Questions and
Answers 100% Solved

files used for systemd targets Correct Ans-/etc/systemd/system/default.target,
/etc/systemd/system/




set of systemd units that should be started to reach a desired state Correct Ans-systemd
targets




4 systemd targets Correct Ans-graphical.target

multi-user.target

rescue.target (basic init complete)

emergency.target (initramfs pivot complete and system root mounted on / read-only.)




List target dependencies Correct Ans-systemctl list-dependencies <target> | grep target




View all available targets Correct Ans-systemctl list-units --type=target --all




overview of all targets installed on disk Correct Ans-systemctl list-unit-files --type=target --all




switch to a different target Correct Ans-systemctl isolate <target>

, view default target Correct Ans-systemctl get-default




set default target Correct Ans-systemctl set-default <target>




special option can be appended to the kernel command line from the boot loader to select a
different target @ runtime Correct Ans-systemd.unit=rescue.target




Procedure to boot into a different target for troubleshooting Correct Ans-1) Reboot

2) Interrupt Boot loader countdown

3) Move cursor to entry to be started

4) Press e to edit

5) Move cursor to line with linux16

6) append systemd.unit=desired.target

7) press ctrl+x to boot



kernel command line to interrupt the boot process before control is handed over from the
initramfs Correct Ans-rd.break




can be used to filter for specific boots with the -b Correct Ans-journalctl




Steps to reset root password Correct Ans-1) reboot system

2) interrupt boot loader