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74 lines
2.2 KiB
Groff
74 lines
2.2 KiB
Groff
'\" t
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.TH "SYSTEMD\-UPDATE\-DONE\&.SERVICE" "8" "" "systemd 219" "systemd-update-done.service"
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.\" -----------------------------------------------------------------
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.\" * Define some portability stuff
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.\" http://bugs.debian.org/507673
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.ie \n(.g .ds Aq \(aq
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.el .ds Aq '
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.\" -----------------------------------------------------------------
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.\" * set default formatting
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.\" -----------------------------------------------------------------
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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.SH "NAME"
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systemd-update-done.service, systemd-update-done \- Mark /etc and /var fully updated
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.SH "SYNOPSIS"
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.PP
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systemd\-update\-done\&.service
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.PP
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/usr/lib/systemd/systemd\-update\-done
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.SH "DESCRIPTION"
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.PP
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systemd\-update\-done\&.service
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is a service that is invoked as part of the first boot after the vendor operating system resources in
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/usr
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have been updated\&. This is useful to implement offline updates of
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/usr
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which might requires updates to
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/etc
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or
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/var
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on the following boot\&.
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.PP
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systemd\-update\-done\&.service
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updates the file modification time (mtime) of the stamp files
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/etc/\&.updated
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and
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/var/\&.updated
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to the modification time of the
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/usr
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directory, unless the stamp files are already newer\&.
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.PP
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Services that shall run after offline upgrades of
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/usr
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should order themselves before
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systemd\-update\-done\&.service, and use the
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\fIConditionNeedsUpdate=\fR
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(see
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\fBsystemd.unit\fR(5)) condition to make sure to run when
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/etc
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or
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/var
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are older than
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/usr
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according to the modification times of the files described above\&. This requires that updates to
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/usr
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are always followed by an update of the modification time of
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/usr, for example by invoking
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\fBtouch\fR(1)
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on it\&.
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.SH "SEE ALSO"
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.PP
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\fBsystemd\fR(1),
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\fBsystemd.unit\fR(5),
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\fBtouch\fR(1)
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