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Full Discussion: Shell backup script modification
Top Forums Shell Programming and Scripting Shell backup script modification Post 303009280 by galapagos8000 on Tuesday 12th of December 2017 03:44:43 AM
Old 12-12-2017
Shell backup script modification
so I'm using this shell script someone made to backup data on a server in an archive (gpg encrypted) and upload to an FTP (meant to be run as a cron job daily). can one of the experts here confirm if the script is fine?

It is meant to backup the folder /opt and the sql data
i want to know how I can add multiple folders to the backup? Like /var, /opt, /etc ?

and I cant find any sql authentication details in the script. Is it able to backup the whole sql without requiring sql login?

i have no experience with shell, sorry.

Code:
#!/bin/sh

set -e
set -u

PATH='/usr/local/bin:/usr/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin'
export PATH

#
# Configuration:
#
source_dir='/opt' 
ftp_server='IP'
ftp_user='backup'
ftp_pass='pass'
gpg_pass='s3cret'

temp_dir="$(mktemp -d '/tmp/.daily-backup.XXXXXX')"
trap 'rm -rf "$temp_dir"' INT TERM EXIT
sql_file="$temp_dir/db.sql"
backup_file="$temp_dir/daily-$(date +'%F-%H-%M-%S').tar"

cd "$source_dir"
tar -cf "$backup_file" dailybackup*
cd "$OLDPWD"

mysqldump --quick --single-transaction --all-databases > "$sql_file"
tar -rf "$backup_file" -C "${sql_file%/*}" "${sql_file##*/}"

gpg --yes --batch --passphrase="$gpg_pass" -c $backup_file
rm -f "$backup_file"
backup_file="$backup_file.gpg"

#
# Remove the "-p" option if you don't want to use passive mode:
#
ftp -p -n <<-EOF
	open $ftp_server
	user $ftp_user $ftp_pass
	put $backup_file ${backup_file##*/}
	bye
EOF

 

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LEARN ABOUT DEBIAN

backup-whatsthis

BACKUP-WHATSTHIS(1)						   Chiark-backup					       BACKUP-WHATSTHIS(1)

NAME

       backup-whatsthis - read an id off a tape and display it

SYNOPSIS

       backup-whatsthis [--list [n]]

DESCRIPTION

       `backup-whatsthis'  is a simple script to display the TAPEID of the current tape and optionally list its contents.  This script is a bit of
       a hack and may not be fully reliable.

OPTIONS

       --list [n] Print TAPEID then list archive n (default 0). Note that archives are numbered from zero.

FILES

       /etc/chiark-backup/settings.pl
	      Configuration file for the whole of chiark-backup

BUGS

       `backup-whatsthis' is currently hardwired to assume `cpio' type backups when listing; it could be trivially hardwired to assume `zafio'	or
       with slightly more effort it could be done properly :->.

AUTHOR

       This Manual page was written by Matthew Vernon <matthew@debian.org> but may be used by anyone.

COPYRIGHT

       Copyright (C) 1997-1998,2000-2001 Ian Jackson <ian@chiark.greenend.org.uk>
       Copyright (C) 1999 Peter Maydell <pmaydell@chiark.greenend.org.uk>
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

Debian								     July 2003						       BACKUP-WHATSTHIS(1)
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