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diff --git a/doc/guix.texi b/doc/guix.texi index 8073e3f6d4..29fde6bad5 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -41090,6 +41090,47 @@ Mode for filter. @c End of auto-generated fail2ban documentation. +@cindex resize-fs +@subsubheading Resize Filesystem service + +This service type lets you resize a live file-system during boot, which +can be convenient if you flashed Guix on an SD Card (e.g. for an +embedded device) or uploaded the image to a VPS. In both cases the +medium the image will reside upon may be larger than the image you want +to produce. +For an embedded device booting from an SD card you may use something like: +@lisp +(service resize-fs-service-type + (resize-fs-configuration + (device "/dev/mmcblk0") + (partition 2))) +@end lisp + +Be extra cautious to use the correct device, partiion and end value, for +the service will circumvent parted's safety checks - wrong use could end +in loss of data or the corruption of your operating system. + +@table @asis + +@item @code{parted} (default: @code{parted}) (type: file-like) +The parted package to use. + +@item @code{e2fsprogs} (default: @code{e2fsprogs}) (type: file-like) +The e2fsprogs package to use. + +@item @code{device} (default: @code{"/dev/sdZ"}) (type: string) +The device containing the file-system that shall be resized. + +@item @code{partition} (default: @code{-1}) (type: number) +The partition number of the file-system that shall be resized. + +@item @code{end} (default: @code{"100%"}) (type: string) +The end position of the resized partition as understood by the parted +utility (e.g. "100%", "500M" or "16GiB"). + +@end table + + @node Setuid Programs @section Setuid Programs |