1SYSTEMD-REMOUNT-FS.SERVICE(s8y)stemd-remount-fs.serviScYeSTEMD-REMOUNT-FS.SERVICE(8)
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NAME

6       systemd-remount-fs.service, systemd-remount-fs - Remount root and
7       kernel file systems
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SYNOPSIS

10       systemd-remount-fs.service
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12       /usr/lib/systemd/systemd-remount-fs
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DESCRIPTION

15       systemd-remount-fs.service is an early boot service that applies mount
16       options listed in fstab(5), or gathered from the partition table (when
17       systemd-gpt-auto-generator(8) is active) to the root file system, the
18       /usr/ file system, and the kernel API file systems. This is required so
19       that the mount options of these file systems — which are pre-mounted by
20       the kernel, the initial RAM disk, container environments or system
21       manager code — are updated to those configured in /etc/fstab and the
22       other sources. This service ignores normal file systems and only
23       changes the root file system (i.e.  /), /usr/, and the virtual kernel
24       API file systems such as /proc/, /sys/ or /dev/. This service executes
25       no operation if no configuration is found (/etc/fstab does not exist or
26       lists no entries for the mentioned file systems, or the partition table
27       does not contain relevant entries).
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29       For a longer discussion of kernel API file systems see API File
30       Systems[1].
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32       Note: systemd-remount-fs.service is usually pulled in by systemd-fstab-
33       generator(8), hence it is also affected by the kernel command line
34       option fstab=, which may be used to disable the generator. It may also
35       pulled in by systemd-gpt-auto-generator(8), which is affected by
36       systemd.gpt_auto and other options.
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SEE ALSO

39       systemd(1), fstab(5), mount(8), systemd-fstab-generator(8), systemd-
40       gpt-auto-generator(8)
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NOTES

43        1. API File Systems
44           https://www.freedesktop.org/wiki/Software/systemd/APIFileSystems
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48systemd 248                                      SYSTEMD-REMOUNT-FS.SERVICE(8)
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