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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| wiki:backup_date [2011/05/24 06:04] – [Extract a Backup File] Guy | wiki:backup_date [2011/05/26 16:50] (current) – [Backup with Date and Time] Guy | ||
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| ====== Backup with Date and Time ====== | ====== Backup with Date and Time ====== | ||
| - | Following is a guide on how to save backup or encrypted backup with the date and time. When it gets to 5, or the number | + | Following is a guide on how to save a backup or encrypted backup with the date and time. You need to be using backup |
| The date and time is in the order year, month, day, then hours, minutes and seconds. This keeps the backup files in order. | The date and time is in the order year, month, day, then hours, minutes and seconds. This keeps the backup files in order. | ||
| Line 7: | Line 7: | ||
| Open a text editor, and paste the following. | Open a text editor, and paste the following. | ||
| - | < | + | < |
| - | #!/bin/sh | + | # This saves a copy of backup or encrypted backup with the date and time. |
| - | PART=hda1 # If not sda1, change this to the correct partition. | + | |
| + | PART=$(cat /opt/.backup_device) | ||
| + | MYDAT=$(cat / | ||
| DATE=$(date +" | DATE=$(date +" | ||
| - | DATABACK=Data-$DATE.tgz | + | DATABACK=$MYDAT-$DATE.tgz |
| - | CRYPTBACK=Data-$DATE.tgz.bfe | + | CRYPTBACK=$MYDAT-$DATE.tgz.bfe |
| - | cd /mnt/$PART/tce/ | + | cd / |
| - | cp mydata.tgz $DATABACK | + | cp $MYDAT.tgz $DATABACK |
| - | cp mydata.tgz.bfe $CRYPTBACK | + | cp $MYDAT.tgz.bfe $CRYPTBACK |
| - | # Delete | + | # This deletes |
| - | NUMBACK=$(ls | + | NUMBACK=$(ls |
| while [ $NUMBACK -gt 5 ] # Change 5 to the number of backups you want to keep. | while [ $NUMBACK -gt 5 ] # Change 5 to the number of backups you want to keep. | ||
| do | do | ||
| - | ls -1t /mnt/$PART/ | + | ls -1t $MYDAT-2*tg* | tail -1 | xargs /bin/rm -f |
| - | NUMBACK=$(ls | + | NUMBACK=$(ls |
| done | done | ||
| </ | </ | ||
| - | If you are not using sda1, change it to the correct partition. | + | Save this file as backdate.sh in /opt. |
| - | + | ||
| - | Save this as backdate.sh in /opt. | + | |
| Open the terminal and type | Open the terminal and type | ||
| Line 39: | Line 39: | ||
| < | < | ||
| - | |||
| - | You need to be using backup or encrypted backup. | ||
| ==== Manual Backup ===== | ==== Manual Backup ===== | ||
| Line 60: | Line 58: | ||
| ==== Restore a Previous Backup ==== | ==== Restore a Previous Backup ==== | ||
| - | To restore a previous backup, remove mydata.tgz, and rename the backup you want to restore mydata.tgz. | + | To restore a previous backup, remove mydata.tgz, and rename the backup you want to restore |
| - | If using encrypted backup, remove mydata.tgz.bfe, | + | If using encrypted backup, remove mydata.tgz.bfe, |
| Restart the computer for it to be loaded. | Restart the computer for it to be loaded. | ||
| - | ==== Extract a Backup File ==== | ||
| - | |||
| - | You normally access a backup by starting the computer, and accessing it. | ||
| - | |||
| - | Here is a guide on extracting backup files manually. | ||
| - | |||
| - | Backup files are normally saved in the tce directory, which may be somewhere like / | ||
| - | |||
| - | To access the contents of a backup, create a new directory and copy the backup file to it. Open the terminal and type | ||
| - | |||
| - | < | ||
| - | tar -xvf backup-name</ | ||
| - | |||
| - | This cannot be done with encrypted backups. You access them by restoring them when you start the computer. | ||
