Deleting old documentation
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Nico Schottelius
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ccollect.sh, Nico Schottelius, 2005-12-08
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Simply copy it to a directory in your $PATH.
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ccollect.sh, Nico Schottelius, 2005-12-06 (updated: 2005-12-07)
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Requirements
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ccollect needs the following packages:
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- a bourne shell (/bin/sh) compatible shell
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- bc
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- cp with support for hard links (cp -al is used)
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- rsync
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- ssh if you want to use rsync over ssh
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Configuration of ccollect.sh
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Nico Schottelius, 2005-12-07
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0. Runtime options
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1. General configuration
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1.2. Intervall definition
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2. Source configuration
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2.1. Detailled description of "source"
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2.2. Detailled description of "verbose"
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2.3. Detailled description of "exclude"
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2.4. Detailled description of "destination"
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2.5. Detailled description of "intervalls/"
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0. Runtime options
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ccollect looks for its configuration in /etc/ccollect or, if set, in
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the directory specified by $CCOLLECT_CONF
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(use CCOLLECT_CONF=/your/config/dir ccollect.sh on the shell).
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When you start ccollect, you have either to specify which intervall
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to backup (daily, weekly, yearly; you can specify the names yourself, see below).
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The intervall is used to specify how many backups to keep.
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There are also some self explaining parameters you can pass to ccollect, simply use
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"ccollect.sh --help" for info.
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1. General configuration
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The general configuration can be found below $CCOLLECT_CONF/defaults or
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/etc/ccollect/defaults. All options specified here are generally valid for
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all source definitions. Though the values can be overwritten in the source
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configuration.
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All configuration entries are plain-text (use UTF-8 if you use
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non ASCII characters) files.
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1.2. Intervall definition
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The intervall definition can be found below $CCOLLECT_CONF/defaults/intervalls/ or
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/etc/ccollect/defaults/intervalls.
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Every file below this directory specifies an intervall. The name of the file is the
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name of the intervall:
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intervalls/<intervall name>
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The content of this file should be a single line containing a number.
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This number defines how many versions of this intervall to keep.
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Example:
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[10:23] zaphodbeeblebrox:ccollect-0.2% ls -l conf/defaults/intervalls/
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insgesamt 12
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-rw-r--r-- 1 nico users 3 2005-12-08 10:24 daily
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-rw-r--r-- 1 nico users 3 2005-12-08 11:36 monthly
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-rw-r--r-- 1 nico users 2 2005-12-08 11:36 weekly
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[10:23] zaphodbeeblebrox:ccollect-0.2% cat conf/defaults/intervalls/*
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28
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12
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4
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This means to keep 28 daily backups, 12 monthly backups and 4 weekly.
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--------------------------------------------------------------------------------
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2. Source configuration
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Each source configuration exists below $CCOLLECT_CONF/sources/$name or
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/etc/ccollect/sources/$name.
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The name you choose for the subdirectory describes the source.
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Each source has at least the following files:
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- source (a text file containing the rsync compatible path to backup)
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- destination (a link to the directory we should backup to)
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Additionally a source may have the following files:
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- verbose whether to be verbose (passes -v to rsync)
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- exclude exclude list for rsync. One exclude specification on each line.
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Example:
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[10:47] zaphodbeeblebrox:ccollect-0.2% ls -l conf/sources/testsource2
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insgesamt 12
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lrwxrwxrwx 1 nico users 20 2005-11-17 16:44 destination -> /home/nico/backupdir
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-rw-r--r-- 1 nico users 62 2005-12-07 17:43 exclude
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drwxr-xr-x 2 nico users 4096 2005-12-07 17:38 intervalls
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-rw-r--r-- 1 nico users 15 2005-11-17 16:44 source
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[10:47] zaphodbeeblebrox:ccollect-0.2% cat conf/sources/testsource2/exclude
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openvpn-2.0.1.tar.gz
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nicht_reinnehmen
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etwas mit leerzeichenli
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[10:47] zaphodbeeblebrox:ccollect-0.2% ls -l conf/sources/testsource2/intervalls
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insgesamt 4
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-rw-r--r-- 1 nico users 2 2005-12-07 17:38 daily
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[10:48] zaphodbeeblebrox:ccollect-0.2% cat conf/sources/testsource2/intervalls/daily
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5
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[10:48] zaphodbeeblebrox:ccollect-0.2% cat conf/sources/testsource2/source
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/home/nico/vpn
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2.1. Detailled description of "source"
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source - a rsync compatible source (one liner)
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For instance:
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backup_user@foreign_host:/home/server/video
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or
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rsync://[USER@]HOST[:PORT]/SRC
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Have a look at rsync(1).
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2.2. Detailled description of "verbose"
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verbose - should we log verbose or silent
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If this file exists in the source specification -v will be passed to rsync.
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Example:
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[11:35] zaphodbeeblebrox:ccollect-0.2% touch conf/sources/testsource1/verbose
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2.3. Detailled description of "exclude"
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exclude - a new line seperated list of paths to exclude
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Example:
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[11:35] zaphodbeeblebrox:ccollect-0.2% cat conf/sources/testsource2/exclude
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openvpn-2.0.1.tar.gz
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nicht_reinnehmen
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etwas mit leerzeichenli
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2.4. Detailled description of "destination"
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destination - a link to the destination directory
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Example:
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[11:36] zaphodbeeblebrox:ccollect-0.2% ls -l conf/sources/testsource2/destination
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lrwxrwxrwx 1 nico users 20 2005-11-17 16:44 conf/sources/testsource2/destination -> /home/nico/backupdir
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2.5. Detailled description of "intervalls/"
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intervalls/ - subdirectory of source or defaults
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Each file below this directory describe an intervalls.
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Example:
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[11:37] zaphodbeeblebrox:ccollect-0.2% ls -l conf/sources/testsource2/intervalls/
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insgesamt 8
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-rw-r--r-- 1 nico users 2 2005-12-07 17:38 daily
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-rw-r--r-- 1 nico users 3 2005-12-14 11:33 yearly
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[11:37] zaphodbeeblebrox:ccollect-0.2% cat conf/sources/testsource2/intervalls/*
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5
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20
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--------------------------------------------------------------------------------
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NOT IMPLEMENTED BELOW THE FOLLIWNG LINE
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--------------------------------------------------------------------------------
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2.6. Detailled description of "log"
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log - link to file we should log to
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If a backup source exists (the cconfig dir exists) all logs for this
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source will be written to this file. General errors and errors of
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non existent or broken configuration will be logged to stderr.
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I do not think it is senseful to have one logfile for all sources, as
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the sources can be backuped in parallel and you would not be able to
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distinguish the different log processes very good then.
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If you REALLY REALLY REALLY want to have all in one logfile, simply
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link all "log" entries to the same file, output will be appended.
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This is how I setup a backup host:
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srwali01:~# mkdir /etc/ccollect
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srwali01:~# mkdir -p /etc/ccollect/defaults/intervalls/
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srwali01:~# echo 28 > /etc/ccollect/defaults/intervalls/taeglich
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srwali01:~# echo 52 > /etc/ccollect/defaults/intervalls/woechentlich
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srwali01:~# cd /etc/ccollect/
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srwali01:/etc/ccollect# mkdir sources
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srwali01:/etc/ccollect# cd sources/
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srwali01:/etc/ccollect/sources# ls
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srwali01:/etc/ccollect/sources# mkdir local-root
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srwali01:/etc/ccollect/sources# cd local-root/
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srwali01:/etc/ccollect/sources/local-root# echo / > source
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srwali01:/etc/ccollect/sources/local-root# cat > exclude << EOF
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> /proc
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> /sys
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> /mnt
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> EOF
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srwali01:/etc/ccollect/sources/local-root# ln -s /mnt/hdbackup/local-root destination
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srwali01:/etc/ccollect/sources/local-root# mkdir /mnt/hdbackup/local-root
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srwali01:/etc/ccollect/sources/local-root# ccollect.sh taeglich local-root
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/o> ccollect.sh: Beginning backup using intervall taeglich
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/=> Beginning to backup "local-root" ...
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|-> 0 backup(s) already exist, keeping 28 backup(s).
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# After that, add some more sources
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srwali01:~# cd /etc/ccollect/sources
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srwali01:/etc/ccollect/sources# mkdir windos-wl6
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srwali01:/etc/ccollect/sources# cd windos-wl6/
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srwali01:/etc/ccollect/sources/windos-wl6# echo /mnt/win/SYS/WL6 > source
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srwali01:/etc/ccollect/sources/windos-wl6# ln -s /mnt/hdbackup/wl6 destination
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srwali01:/etc/ccollect/sources/windos-wl6# mkdir /mnt/hdbackup/wl6
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srwali01:/etc/ccollect/sources/windos-wl6# cd ..
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srwali01:/etc/ccollect/sources# mkdir windos-daten
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srwali01:/etc/ccollect/sources/windos-daten# echo /mnt/win/Daten > source
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srwali01:/etc/ccollect/sources/windos-daten# ln -s /mnt/hdbackup/windos-daten destination
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srwali01:/etc/ccollect/sources/windos-daten# mkdir /mnt/hdbackup/windos-daten
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# Now add some remote source
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srwali01:/etc/ccollect/sources/windos-daten# cd ..
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srwali01:/etc/ccollect/sources# mkdir srwali03
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srwali01:/etc/ccollect/sources# cd srwali03/
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srwali01:/etc/ccollect/sources/srwali03# cat > exclude << EOF
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> /proc
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> /sys
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> /mnt
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> /home
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> EOF
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srwali01:/etc/ccollect/sources/srwali03# echo 'root@10.103.2.3:/' > source
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srwali01:/etc/ccollect/sources/srwali03# ln -s /mnt/hdbackup/srwali03 destination
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srwali01:/etc/ccollect/sources/srwali03# mkdir /mnt/hdbackup/srwali03
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Hard links are such a nice thing ;-)
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[10:53] srsyg01:sources% du -sh ~/backupdir
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4.6M /home/nico/backupdir
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[10:53] srsyg01:sources% du -sh ~/backupdir/*
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4.1M /home/nico/backupdir/daily.2005-12-08-10:52.28456
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4.1M /home/nico/backupdir/daily.2005-12-08-10:53.28484
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4.1M /home/nico/backupdir/daily.2005-12-08-10:53.28507
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4.1M /home/nico/backupdir/daily.2005-12-08-10:53.28531
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4.1M /home/nico/backupdir/daily.2005-12-08-10:53.28554
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4.1M /home/nico/backupdir/daily.2005-12-08-10:53.28577
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srwali01:/etc/ccollect/sources# du -sh /mnt/hdbackup/wl6/
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186M /mnt/hdbackup/wl6/
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srwali01:/etc/ccollect/sources# du -sh /mnt/hdbackup/wl6/*
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147M /mnt/hdbackup/wl6/taeglich.2005-12-08-14:42.312
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147M /mnt/hdbackup/wl6/taeglich.2005-12-08-14:45.588
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