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Bash Script for backup


Влади

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#!/bin/bash
####################################
#
# Backup to NFS mount script with
# grandfather-father-son rotation
# of specified directory
#
####################################
# What to backup.
backup_files="/etc /root"
# Where to backup to.
dest="/backup/system"
# Setup variables for the archive filename.
day=$(date +%A)
hostname=$(hostname -s)
# Find which week of the month 1-4 it is.
day_num=$(date +%d)
if (( $day_num <= 7 )); then
week_file="$hostname-week1.tgz"
elif (( $day_num > 7 && $day_num <= 14 )); then
week_file="$hostname-week2.tgz"
elif (( $day_num > 14 && $day_num <= 21 )); then
week_file="$hostname-week3.tgz"
elif (( $day_num > 21 && $day_num < 32 )); then
week_file="$hostname-week4.tgz"
fi
# Find if the Month is odd or even.
month_num=$(date +%m)
month=$(expr $month_num % 2)
if [ $month -eq 0 ]; then
month_file="$hostname-month2.tgz"
else
month_file="$hostname-month1.tgz"
fi
# Create archive filename.
if [ $day_num == 1 ]; then
archive_file=$month_file
elif [ $day != "Saturday" ]; then
archive_file="$hostname-$day.tgz"
else
archive_file=$week_file
fi
# Print start status message.
echo "Backing up $backup_files to $dest/$archive_file"
date
echo
# Backup the files using tar.
tar czf $dest/$archive_file $backup_files
# Print end status message.
echo
echo "Backup finished"
date
# Long listing of files in $dest to check file sizes.
ls -lh $dest/
[/CODE]

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