needs-restarting

• https://man7.org/linux/man-pages/man1/needs-restarting.1.html

       -r, --reboothint
             Only report whether a full reboot is required (exit code
             1) or not (exit code 0).

needs-restarting -r

needs-restarting -r
Core libraries or services have been updated since boot-up:
  * dbus
  * dbus-daemon
  * glibc
  * kernel
  * linux-firmware

Reboot is required to fully utilize these updates.
More information: https://access.redhat.com/solutions/27943

Related

• needrestart

See also

• reboot, poweroff, halt, ACPI, systemctl reboot, shutdown, needrestart, needs-restarting