man/systemd-hibernate-resume@.service.8

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  22 .SH "NAME"
  23 systemd-hibernate-resume@.service, systemd-hibernate-resume \- Resume from hibernation
  24 .SH "SYNOPSIS"
  25 .PP
  26 systemd\-hibernate\-resume@\&.service
  27 .PP
  28 /usr/lib/systemd/systemd\-hibernate\-resume
  29 .SH "DESCRIPTION"
  30 .PP
  31 systemd\-hibernate\-resume@\&.service
  32 initiates the resume from hibernation\&. It is instantiated with the device to resume from as the template argument\&.
  33 .PP
  34 systemd\-hibernate\-resume
  35 only supports the in\-kernel hibernation implementation, known as
  36 \m[blue]\fBswsusp\fR\m[]\&\s-2\u[1]\d\s+2\&. Internally, it works by writing the major:minor of specified device node to
  37 /sys/power/resume\&.
  38 .PP
  39 Failing to initiate a resume is not an error condition\&. It may mean that there was no resume image (e\&. g\&. if the system has been simply powered off and not hibernated)\&. In such case, the boot is ordinarily continued\&.
  40 .SH "SEE ALSO"
  41 .PP
  42 \fBsystemd\fR(1),
  43 \fBsystemd-hibernate-resume-generator\fR(8)
  44 .SH "NOTES"
  45 .IP " 1." 4
  46 swsusp
  47 .RS 4
  48 \%https://www.kernel.org/doc/Documentation/power/swsusp.txt
  49 .RE