Shell Programming and Scripting

 /bin/scripts/back.sh
   
  #! /bin/bash
  echo Backup Started `date` >> ~/backuplog
  mkdir /tempstorage/`date +%Y%m%d`
  tar -czf /tempstorage/`date +%Y%m%d`/cloud.tar.gz /cloud
  echo Backup Completed `date` >> ~/backuplog

#!/bin/sh

# What to backup.
backup_files="/tmp"

# Where to backup to.
dest="/backup"

# Create archive filename.
day=$(date +%A)
hostname=$(hostname -s)
archive_file="$hostname-$day.tgz"

# 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

for each directory to be backed up
  create an archive of that directory
  if successful
    copy the archive to the backup server
    remove all but the last 7 backups
    send a mail to the admin
  else
    send the error to the admin

find all backups older than 3 months and remove them

#!/bin/bash 
#Backup Script for a Server
#
# First Create 2 folders "/usr/local/bin/backup/" and 
# "/usr/local/bin/tar"
#
NOWDATE=NAME OF ARCHIVE-`date +%d%m%y`.tgz 
BACKUPDIR=/usr/local/bin/backup/ 
BACKUPTAR=/usr/local/bin/tar 
MOUNTLOC=//X.X.X.X/path/to/mount/
USERNAME=username=xxx 
PASSWORD=password=xxx

# This tells MYSQL to dump all of it's databases to the $BACKUPDIR 
# directory.
mysqldump -u xxxxx -pxxxxxx --all-databases > $BACKUPDIR/xxxx.sql

#This copies all files/directories to the BACKUPDIR.
cp -r /whatever/you/want /usr/local/bin/backup

#This uses tar with compression to put it all in one file.
tar pcfz $BACKUPTAR/$NOWDATE $BACKUPDIR

#This mounts the SAN drive.
mount -t smbfs $MOUNTLOC /mnt -o $USERNAME,$PASSWORD

#This copies the contents of the BACKUP tar files to the SAN.
cp $BACKUPTAR/* /mnt

#This emails a log of what was backed up.
ls -trlh /mnt | tail -1 | mail -s "Server Backup Results" someguy@domain.com

#This unmounts the mounted SAN drive.
umount /mnt

#This removes all files from the BACKUPDIR.
rm -rf $BACKUPDIR/*

#This removes all files from the BACKUPTAR
rm $BACKUPTAR/*

exit 0

#!/bin/bash
#  Script to tidy up Backups older than 2 days after they went to tape.

MOUNTDIR=//X.X.X.X/Path/to/Backup/Dir
EMAIL=someguy@domain.com
USERNAME=username=xxx
PASSWORD=password=xxx

#This mounts the S drive folder.
mount -t smbfs $MOUNTDIR /mnt -o $USERNAME,$PASSWORD

#Find files older than 2 days.
find /mnt -mtime +1 | mail -s "Backups Deleted" $EMAIL

# This command finds and deletes files older than 2 days and emails me.
find /mnt -mtime +1 -exec rm -f {} \;

#This unmounts the mounted S drive.
umount /mnt