rdup-snap-link(1)
NAME
rdup-snap-link - create a hard linked copy of a previous backup
SYNOPSIS
rdup-snap-link [ -H ] DAYS BACKUPDIR NOW
DESCRIPTION
rdup-snap-link creates a hard linked copy of a previous backup directory. If such a directory is created rdup-snap-link exists with 0. If a
full dump should be performed a 1 is returned. If 2 is returned an
error has occured. GNU cp is used for the actual creation of the copy.
On non GNU operating systems you may need to install GNU cp.
This utility is called from rdup-simple.
The -H option makes rdup-snap-link understand hourly backups. It will
then look back DAYS hours.
FILES
- /etc/rdup/rdup-snapshot.gnu with the location of GNU cp and GNU date.
This is probably only needed on non GNU/Linux systems. This file has
the following format:
- GNU_DATE=/path/to/gnu_date
GNU_CP=/path/to/gnu_cp - For example:
GNU_DATE=/usr/local/bin/date
GNU_CP=/usr/local/bin/cp