最後更新: 2017-07-31

目錄

• rsnapshot
• Rsync remote backup
• FTP fetch data
• bakrotate.sh

rsnapshot

Setup Cron job

/etc/crontab

# rsnapshot backup
1 1 * * *       /root/script/bakscript.sh > /dev/null 2>&1

Local backup

/root/scripts/bakscript.sh

#!/bin/bash
# last update: 2016-03-10

_SERVERNAME="????????????"
_ADMIN="?????????"

_BAKLOCATIONCHK="/backup/BackupDisk.txt"
_LASTCHK="/home/samba/LASTCHECK.txt"

############################################

############################################

echo `date`
echo "Server: "$_SERVERNAME

function mailtoadmin(){
        echo `date` | mail -s "$_SERVERNAME backup fail" $_ADMIN
        echo "Notice admin backup error"
}

# for trace the backup is working
echo `date` > $_LASTCHK

if [ -f $_BAKLOCATIONCHK ]
then
        echo "Backup Start"
        nice rsnapshot sync && rsnapshot daily || ( mailtoadmin; exit 1 )
        echo "Backup Done"
fi

# Script Permisson

chmod 700 /root/script/bakscript.sh

Rsync remote backup

# rsync data to remote backup server

mkdir -p /root/scripts/bakscript

touch /root/scripts/bakscript/password.txt

chmod 600 /root/scripts/bakscript/password.txt

echo "??????" > /root/scripts/bakscript/password.txt

/root/scripts/bakscript/bakscript.sh

#!/bin/bash

RSYNC=/usr/bin/rsync
BACKUPUSER=`hostname`
BACKUPHOST=$BACKUPUSER
BACKUPSERVER=
PASSWORDFILE=/root/scripts/bakscript/password.txt

EXCLUDEPATTER='--delete-excluded
    --exclude=/proc/* --exclude=/dev/* --exclude=/sys/*
    --exclude=/var/cache/* --exclude=/var/lib/php/session/*
    --exclude=/tmp/* --exclude=_X/ --exclude=_bak/
    --exclude=.vscode-server/ --exclude=var/lib/lxcfs/
    --exclude=lost+found/'

##############################################################
function backupfolder(){
        if [ -d $1 ];then
                $RSYNC -azvHS \
                --bwlimit=3000 \
                --delete \
                --password-file=$PASSWORDFILE \
                $EXCLUDEPATTER \
                $1 \
                $BACKUPUSER@$BACKUPSERVER::$BACKUPHOST
        fi
}
##############################################################

backupfolder /etc;
#backupfolder /root;
#backupfolder /var/lib/lxc;
#backupfolder /var;
#backupfolder /home;

chmod 700 /root/scripts/bakscript/bakscript.sh

# Cron Jobs

# daily backup
4 4 * * *       /root/scripts/bakscript/bakscript.sh > /var/log/backup.log 2>&1

Notes

mail server 可以 exclude 的

--exclude=dovecot.index
--exclude=dovecot.index.cache
--exclude=dovecot-uidlist
--exclude=dovecot.index.log

--exclude=var/spool/amavisd

php 可以 exclude 的

php/session/sess_*

FTP fetch data

#!/bin/bash

#### Setting
_host=x.x.x.x
_user=username
_pw=pass
_bak_folder="public_html"


_MyDate=(Mon Tue Wed Thu Fri Sat Sun)

for _mydate in ${_MyDate[@]}
do
    if [ ! -d $_mydate ];
    then
        mkdir $_mydate
    fi
done

_today=`date +%a`

cd $_today

lftp $_user:$_pw@$_host -e "cd $_bak_folder; mirror -v -c --log=log.txt; exit" > /dev/null 2>&1

cd -

bakrotate.sh

#!/bin/bash
# create by tim@20170410

#### setting
_KEEPCOPY=7
_BACKUPPATH=/backup

bakrotate ()
{
        local _TMPFILE1=`mktemp` # folder list
        local _TMPFILE2=`mktemp` # folder need to delete

        cd $_BACKUPPATH

        # all folder name start with "bak_"
        ls -1 -d bak_* | sort -r > $_TMPFILE1

        awk "NR > $_KEEPCOPY {print $1}" $_TMPFILE1 > $_TMPFILE2

        mkdir _X 2> /dev/null

        while read line
        do
                if [[ $line == 'bak_'* ]]; then
                        mv $line _X
                else
                        echo "Can not delete $line"
                fi
        done < $_TMPFILE2

        #### cleanup
        rm -f $_TMPFILE1
        rm -f $_TMPFILE2
}

bakrotate