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-read-write.service

 [Unit]
Description=Tell Plymouth To Write Out Runtime Data
DefaultDependencies=no
After=local-fs.target
Before=sysinit.target
ConditionPathExists=!/etc/initrd-release

[Service]
ExecStart=-/bin/plymouth update-root-fs --read-write
Type=oneshot