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Code Issues Releases Wiki Activity

Update filesystem layout documentation

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Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
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David Oberhollenzer 2018-04-19 22:05:31 +02:00
parent adf8fa97f0
commit a148a9bc38
1 changed files with 6 additions and 9 deletions
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15
docs/filesystem.md
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@ -21,11 +21,12 @@ to `/lib`).
The `/usr/share` directory containing application data has also been moved to
the filesystem root (i.e. there is a `/share`).
Many systems have a `/usr/libexec` directory containing executable not intended
Many systems have a `/usr/libexec` directory containing executables not intended
to be run by people but by programs. This has been moved to `/lib/libexec`.
The `/usr` directory is still present but now serves its original purpose again.
Storing user home directories.
Storing user home directories. For instance, the `/root` directory has been
moved to `/usr/root`.
Since build tools, source code and headers are typically not installed, there
is currently no need to think about where to put `/usr/include` or `/usr/src`.
@ -52,12 +53,6 @@ kernel and squasfs image in order to apply updates, the later for other
temporary mounts.
Depending on the system configuration, the `/usr` directory may contain read
only user home directories, may be used as a mount point for a dedicated
partition or network share with home directories, or may be used for an overlay
setup as outlined below.
## Persistent Configuration Changes
A directory `/cfg` was added to implement an overlay mount setup. The directory
@ -80,7 +75,9 @@ squashfs image, but changes can be made. The altered files are stored on the
dedicated partition or device mounted to `/cfg/overlay`.
A similar setup is used for the `/var/lib` and the `/root` directories.
A similar setup is used for the `/var/lib` and the `/usr` directories. The
`/var/lib` directory combines `/cfg/preserve/var_lib` with overlays from
`/cfg/overlay/var_lib`.
This setup allows for simple management of site local configuration changes,