Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//lib/systemd/system/plymouth-quit-wait.service

 [Unit]
Description=Hold until boot process finishes up
After=rc-local.service plymouth-start.service systemd-user-sessions.service

[Service]
ExecStart=-/bin/plymouth --wait
Type=oneshot
TimeoutSec=0