Tidying backup command
This commit is contained in:
Bob Mottram
parent
e2e6edc2b5
commit
2d1add80ae
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@ -34,73 +34,90 @@ COMPLETION_FILE=$HOME/${PROJECT_NAME}-completed.txt
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export TEXTDOMAIN=${PROJECT_NAME}-backup-local
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export TEXTDOMAINDIR="/usr/share/locale"
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# directories to be backed up (source,dest)
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backup_dirs=(
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"/etc/letsencrypt, letsencrypt"
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"/var/lib/dokuwiki, wiki"
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"/etc/dokuwiki, wiki2"
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"/etc/ssl, ssl"
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"/var/spool/mlmmj, mailinglist"
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"/var/lib/prosody, xmpp"
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"/etc/nginx/sites-available, web"
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"/home/$ADMIN_USERNAME/.ipfs, ipfs"
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"/var/cache/minidlna, dlna"
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)
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USB_DRIVE=/dev/sdb1
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if [ $1 ]; then
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USB_DRIVE=/dev/${1}1
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fi
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USB_MOUNT=/mnt/usb
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# get the admin user
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ADMIN_USERNAME=$(cat $COMPLETION_FILE | grep "Admin user" | awk -F ':' '{print $2}')
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if [ $2 ]; then
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ADMIN_USERNAME=$2
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fi
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ADMIN_NAME=$(getent passwd $ADMIN_USERNAME | cut -d: -f5 | cut -d, -f1)
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ADMIN_USERNAME=
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ADMIN_NAME=
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# check that the backup destination is available
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if [ ! -b $USB_DRIVE ]; then
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echo $"Please attach a USB drive"
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exit 1
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fi
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# unmount if already mounted
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umount -f $USB_MOUNT
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if [ ! -d $USB_MOUNT ]; then
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mkdir $USB_MOUNT
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fi
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if [ -f /dev/mapper/encrypted_usb ]; then
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rm -rf /dev/mapper/encrypted_usb
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fi
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cryptsetup luksClose encrypted_usb
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# mount the encrypted backup drive
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cryptsetup luksOpen $USB_DRIVE encrypted_usb
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if [ "$?" = "0" ]; then
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USB_DRIVE=/dev/mapper/encrypted_usb
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fi
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mount $USB_DRIVE $USB_MOUNT
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if [ ! "$?" = "0" ]; then
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echo $"There was a problem mounting the USB drive to $USB_MOUNT"
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rm -rf $USB_MOUNT
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exit 2
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fi
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# make a backup directory on the drive
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if [ ! -d $USB_MOUNT/backup ]; then
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mkdir $USB_MOUNT/backup
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fi
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if [ ! -d $USB_MOUNT/backup ]; then
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echo $"There was a problem making the directory $USB_MOUNT/backup."
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umount $USB_MOUNT
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rm -rf $USB_MOUNT
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exit 3
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fi
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# Check space remaining on the usb drive
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used_percent=$(df -k $USB_MOUNT | tail -n 1 | awk -F ' ' '{print $5}' | awk -F '%' '{print $1}')
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if [ $used_percent -gt 95 ]; then
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echo $"Less than 5% of space remaining on backup drive"
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umount $USB_MOUNT
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rm -rf $USB_MOUNT
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exit 4
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fi
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# MariaDB password
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DATABASE_PASSWORD=''
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if [ -f /root/dbpass ]; then
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DATABASE_PASSWORD=$(cat /root/dbpass)
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fi
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function mount_drive {
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if [ $1 ]; then
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USB_DRIVE=/dev/${1}1
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fi
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# get the admin user
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ADMIN_USERNAME=$(cat $COMPLETION_FILE | grep "Admin user" | awk -F ':' '{print $2}')
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if [ $2 ]; then
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ADMIN_USERNAME=$2
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fi
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ADMIN_NAME=$(getent passwd $ADMIN_USERNAME | cut -d: -f5 | cut -d, -f1)
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# check that the backup destination is available
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if [ ! -b $USB_DRIVE ]; then
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echo $"Please attach a USB drive"
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exit 1
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fi
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# unmount if already mounted
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umount -f $USB_MOUNT
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if [ ! -d $USB_MOUNT ]; then
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mkdir $USB_MOUNT
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fi
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if [ -f /dev/mapper/encrypted_usb ]; then
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rm -rf /dev/mapper/encrypted_usb
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fi
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cryptsetup luksClose encrypted_usb
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# mount the encrypted backup drive
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cryptsetup luksOpen $USB_DRIVE encrypted_usb
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if [ "$?" = "0" ]; then
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USB_DRIVE=/dev/mapper/encrypted_usb
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fi
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mount $USB_DRIVE $USB_MOUNT
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if [ ! "$?" = "0" ]; then
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echo $"There was a problem mounting the USB drive to $USB_MOUNT"
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rm -rf $USB_MOUNT
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exit 2
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fi
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}
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function unmount_drive {
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sync
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umount $USB_MOUNT
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if [ ! "$?" = "0" ]; then
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echo $"Unable to unmount the drive. This means that the backup did not work"
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rm -rf $USB_MOUNT
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exit 9
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fi
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rm -rf $USB_MOUNT
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if [[ $USB_DRIVE == /dev/mapper/encrypted_usb ]]; then
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echo $"Unmount encrypted USB"
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cryptsetup luksClose encrypted_usb
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fi
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if [ -f /dev/mapper/encrypted_usb ]; then
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rm -rf /dev/mapper/encrypted_usb
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fi
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echo $"Backup to USB drive is complete. You can now unplug it."
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}
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function backup_database {
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if [ ${#DATABASE_PASSWORD} -lt 2 ]; then
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echo $"No MariaDB password was given"
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@ -159,83 +176,121 @@ function backup_directory_to_usb {
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fi
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}
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# Backup user files
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for d in /home/*/ ; do
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USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
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if [[ $USERNAME != "git" ]]; then
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# Backup any gpg keys
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if [ -d /home/$USERNAME/.gnupg ]; then
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echo $"Backing up gpg keys for $USERNAME"
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backup_directory_to_usb /home/$USERNAME/.gnupg gnupg/$USERNAME
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fi
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# Backup any personal settings
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if [ -d /home/$USERNAME/personal ]; then
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echo $"Backing up personal settings for $USERNAME"
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backup_directory_to_usb /home/$USERNAME/personal personal/$USERNAME
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fi
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# Backup ssh keys
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if [ -d /home/$USERNAME/.ssh ]; then
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echo $"Backing up ssh keys for $USERNAME"
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backup_directory_to_usb /home/$USERNAME/.ssh ssh/$USERNAME
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fi
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# Backup user configs
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if [ -d /home/$USERNAME/.config ]; then
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echo $"Backing up config files for $USERNAME"
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backup_directory_to_usb /home/$USERNAME/.config config/$USERNAME
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fi
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# Backup mutt
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if [ -f /home/$USERNAME/.muttrc ]; then
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echo $"Backing up Mutt settings for $USERNAME"
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if [ ! -d /home/$USERNAME/tempbackup ]; then
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mkdir -p /home/$USERNAME/tempbackup
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fi
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cp /home/$USERNAME/.muttrc /home/$USERNAME/tempbackup
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if [ -f /etc/Muttrc ]; then
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cp /etc/Muttrc /home/$USERNAME/tempbackup
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fi
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backup_directory_to_usb /home/$USERNAME/tempbackup mutt/$USERNAME
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fi
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# Backup email
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if [ -d /home/$USERNAME/Maildir ]; then
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echo $"Creating an email archive for $USERNAME"
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if [ ! -d /root/tempbackupemail/$USERNAME ]; then
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mkdir -p /root/tempbackupemail/$USERNAME
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fi
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tar -czvf /root/tempbackupemail/$USERNAME/maildir.tar.gz /home/$USERNAME/Maildir
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echo $"Backing up emails for $USERNAME"
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backup_directory_to_usb /root/tempbackupemail/$USERNAME mail/$USERNAME
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fi
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# Backup spamassassin
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if [ -d /home/$USERNAME/.spamassassin ]; then
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echo $"Backing up spamassassin settings for $USERNAME"
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backup_directory_to_usb /home/$USERNAME/.spamassassin spamassassin/$USERNAME
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fi
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# Backup procmail
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if [ -f /home/$USERNAME/.procmailrc ]; then
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echo $"Backing up procmail settings for $USERNAME"
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if [ ! -d /home/$USERNAME/tempbackup ]; then
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mkdir -p /home/$USERNAME/tempbackup
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fi
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cp /home/$USERNAME/.procmailrc /home/$USERNAME/tempbackup
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backup_directory_to_usb /home/$USERNAME/tempbackup procmail/$USERNAME
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fi
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function make_backup_directory {
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# make a backup directory on the drive
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if [ ! -d $USB_MOUNT/backup ]; then
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mkdir $USB_MOUNT/backup
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fi
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done
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if [ ! -d $USB_MOUNT/backup ]; then
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echo $"There was a problem making the directory $USB_MOUNT/backup."
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umount $USB_MOUNT
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rm -rf $USB_MOUNT
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exit 3
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fi
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}
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# Backup Let's Encrypt
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if [ -d /etc/letsencrypt ]; then
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echo $"Backing up Lets Encrypt settings"
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backup_directory_to_usb /etc/letsencrypt letsencrypt
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fi
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function check_storage_space_remaining {
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# Check space remaining on the usb drive
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used_percent=$(df -k $USB_MOUNT | tail -n 1 | awk -F ' ' '{print $5}' | awk -F '%' '{print $1}')
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if [ $used_percent -gt 95 ]; then
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echo $"Less than 5% of space remaining on backup drive"
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umount $USB_MOUNT
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rm -rf $USB_MOUNT
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exit 4
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fi
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}
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function backup_users {
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# Backup user files
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for d in /home/*/ ; do
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USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
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if [[ $USERNAME != "git" ]]; then
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# Backup any gpg keys
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if [ -d /home/$USERNAME/.gnupg ]; then
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echo $"Backing up gpg keys for $USERNAME"
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backup_directory_to_usb /home/$USERNAME/.gnupg gnupg/$USERNAME
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fi
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# Backup any personal settings
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if [ -d /home/$USERNAME/personal ]; then
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echo $"Backing up personal settings for $USERNAME"
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backup_directory_to_usb /home/$USERNAME/personal personal/$USERNAME
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fi
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# Backup ssh keys
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if [ -d /home/$USERNAME/.ssh ]; then
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echo $"Backing up ssh keys for $USERNAME"
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backup_directory_to_usb /home/$USERNAME/.ssh ssh/$USERNAME
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fi
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# Backup user configs
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if [ -d /home/$USERNAME/.config ]; then
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echo $"Backing up config files for $USERNAME"
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backup_directory_to_usb /home/$USERNAME/.config config/$USERNAME
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fi
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# Backup mutt
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if [ -f /home/$USERNAME/.muttrc ]; then
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echo $"Backing up Mutt settings for $USERNAME"
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if [ ! -d /home/$USERNAME/tempbackup ]; then
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mkdir -p /home/$USERNAME/tempbackup
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fi
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cp /home/$USERNAME/.muttrc /home/$USERNAME/tempbackup
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if [ -f /etc/Muttrc ]; then
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cp /etc/Muttrc /home/$USERNAME/tempbackup
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fi
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backup_directory_to_usb /home/$USERNAME/tempbackup mutt/$USERNAME
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fi
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# Backup email
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if [ -d /home/$USERNAME/Maildir ]; then
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echo $"Creating an email archive for $USERNAME"
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if [ ! -d /root/tempbackupemail/$USERNAME ]; then
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mkdir -p /root/tempbackupemail/$USERNAME
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fi
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tar -czvf /root/tempbackupemail/$USERNAME/maildir.tar.gz /home/$USERNAME/Maildir
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echo $"Backing up emails for $USERNAME"
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backup_directory_to_usb /root/tempbackupemail/$USERNAME mail/$USERNAME
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fi
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# Backup spamassassin
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if [ -d /home/$USERNAME/.spamassassin ]; then
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echo $"Backing up spamassassin settings for $USERNAME"
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backup_directory_to_usb /home/$USERNAME/.spamassassin spamassassin/$USERNAME
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fi
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# Backup procmail
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if [ -f /home/$USERNAME/.procmailrc ]; then
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echo $"Backing up procmail settings for $USERNAME"
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if [ ! -d /home/$USERNAME/tempbackup ]; then
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mkdir -p /home/$USERNAME/tempbackup
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fi
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cp /home/$USERNAME/.procmailrc /home/$USERNAME/tempbackup
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backup_directory_to_usb /home/$USERNAME/tempbackup procmail/$USERNAME
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fi
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fi
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done
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}
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function backup_directories {
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for dr in "${backup_dirs[@]}"
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do
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source_directory=$(echo $dr | awk -F ',' '{print $1}' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')
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if [ -d $source_directory ]; then
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dest_directory=$(echo $dr | awk -F ',' '{print $2}' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')
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echo $"Backing up $source_directory to $dest_directory"
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backup_directory_to_usb $source_directory $dest_directory
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fi
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done
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}
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mount_drive $1 $2
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make_backup_directory
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check_storage_space_remaining
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backup_users
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backup_directories
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# backup gnusocial
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if grep -q "GNU Social domain" $COMPLETION_FILE; then
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@ -290,13 +345,6 @@ if [ -d /home/git/go/src/github.com/gogits ]; then
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backup_directory_to_usb /home/git/.ssh gogsssh
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fi
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# Backup wiki
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if [ -d /etc/dokuwiki ]; then
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echo $"Obtaining wiki data backup"
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backup_directory_to_usb /var/lib/dokuwiki wiki
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backup_directory_to_usb /etc/dokuwiki wiki2
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fi
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# Backup blog
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if grep -q "Blog domain" $COMPLETION_FILE; then
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FULLBLOG_DOMAIN_NAME=$(cat $COMPLETION_FILE | grep "Blog domain" | awk -F ':' '{print $2}')
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@ -310,30 +358,6 @@ if grep -q "Blog domain" $COMPLETION_FILE; then
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fi
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fi
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# Backup certificates
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if [ -d /etc/ssl ]; then
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echo $"Backing up certificates"
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backup_directory_to_usb /etc/ssl ssl
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fi
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# Backup the public mailing list
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if [ -d /var/spool/mlmmj ]; then
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echo $"Backing up the public mailing list"
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backup_directory_to_usb /var/spool/mlmmj mailinglist
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fi
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# Backup xmpp settings
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if [ -d /var/lib/prosody ]; then
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echo $"Backing up the XMPP settings"
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backup_directory_to_usb /var/lib/prosody xmpp
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fi
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# Backup web sites
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if [ -d /etc/nginx ]; then
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echo $"Backing up web settings"
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backup_directory_to_usb /etc/nginx/sites-available web
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fi
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# Backup admin user README file
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if [ -f /home/$ADMIN_USERNAME/README ]; then
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echo $"Backing up README"
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@ -344,18 +368,6 @@ if [ -f /home/$ADMIN_USERNAME/README ]; then
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backup_directory_to_usb /home/$ADMIN_USERNAME/tempbackup readme
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fi
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# Backup IPFS
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if [ -d /home/$ADMIN_USERNAME/.ipfs ]; then
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echo $"Backing up IPFS"
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backup_directory_to_usb /home/$ADMIN_USERNAME/.ipfs ipfs
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fi
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# Backup DLNA cache
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if [ -d /var/cache/minidlna ]; then
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echo $"Backing up DLNA cache"
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backup_directory_to_usb /var/cache/minidlna dlna
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fi
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# Backup VoIP settings
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if [ -f /etc/mumble-server.ini ]; then
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echo $"Backing up VoIP settings"
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@ -396,20 +408,6 @@ if [ -d /var/lib/tox-bootstrapd ]; then
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backup_directory_to_usb /var/lib/tox-bootstrapd tox
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fi
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sync
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umount $USB_MOUNT
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if [ ! "$?" = "0" ]; then
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echo $"Unable to unmount the drive. This means that the backup did not work"
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rm -rf $USB_MOUNT
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exit 9
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fi
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rm -rf $USB_MOUNT
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if [[ $USB_DRIVE == /dev/mapper/encrypted_usb ]]; then
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echo $"Unmount encrypted USB"
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cryptsetup luksClose encrypted_usb
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fi
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if [ -f /dev/mapper/encrypted_usb ]; then
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rm -rf /dev/mapper/encrypted_usb
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fi
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echo $"Backup to USB drive is complete. You can now unplug it."
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unmount_drive
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exit 0
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