Automatisches Backup

sudo apt-get install duplicity

0 3 * * * root /opt/backups/backup_duplicity.sh >>/var/log/duplicity.log 2>&1

Das ganze läuft auf dem Hetzner Server und verbindet sich via SFTP.
In /root/.ssh/config:

# backup server
Host storagebox
        HostName u157627.your-storagebox.de
        User u157627
        Port 23
        IdentityFile /root/.ssh/storage_box

Der SSH-Key liegt also in /root/.ssh/ und heißt „storage_box“.

Skript in /opt/backups/:

#!/bin/bash

#BACKUPDIR="/home/backups"                # standard Pfad can be overwritten
STORAGEBOX="u157627@storagebox:/144/backups"
#export PASSPHRASE="fix404" # Password for encryption

SCRIPT_DIR="$(dirname "$0")"
SOURCE="$SCRIPT_DIR/backup_files.txt"
EXCLUDE="$SCRIPT_DIR/backup_exclude.txt"

VOLSIZE_IN_MB=200

#DATUM="$(date +%Y%m%d)"          # Date for the monthly backup
#ZEIT="$(date +%H%M)"             # time

# Check free space on storage box?
#freespace=$(df -k $BACKUPDIR |tail -1 |awk '{print $4}')
#if [ $freespace -lt 50000000  ]; then
#               echo not enough space on backup device
#               exit
#fi

# Sichern
duplicity --no-encryption --volsize $VOLSIZE_IN_MB  --full-if-older-than 6D   --exclude-filelist=$EXCLUDE --include-filelist=$SOURCE --exclude='**' / pexpect+sftp://$STORAGEBOX
now=`date`
echo "Finished backup at $now"
# Verifizieren
duplicity verify  --no-encryption  --exclude-filelist=$EXCLUDE --include-filelist=$SOURCE --exclude='**' pexpect+sftp://$STORAGEBOX /
now=`date`
echo "Finished verify at $now"
# Löschen
duplicity remove-older-than 1M  --force --no-encryption pexpect+sftp://$STORAGEBOX
now=`date`
echo "Finished removing at $now"

backup_files.txt:

/etc/**
/opt/**
/home/**

backup_exclude.txt:

/home/backups/
/home/old_server_backups/

Skript backup_status.sh:

#!/bin/bash

STORAGEBOX="u157627@storagebox:/144/backups"

# Status
duplicity collection-status pexpect+sftp://$STORAGEBOX