diff --git a/user/common-tasks/backup-emergency-restore-v4.md b/user/common-tasks/backup-emergency-restore-v4.md index 6824c65c..0685379d 100644 --- a/user/common-tasks/backup-emergency-restore-v4.md +++ b/user/common-tasks/backup-emergency-restore-v4.md @@ -145,35 +145,30 @@ Emergency Recovery Instructions [user@restore ~]$ backup_id=20161020T123455-1234 - 6. Verify the integrity of and decrypt the `private.img` file that houses your - data. + 6. Verify the integrity of your data, decrypt, decompress, and extract `private.img`: [user@restore ~]$ find vm1 -name 'private.img.*.enc' | sort -V | while read f_enc; do \ f_dec=${f_enc%.enc}; \ - echo "$backup_id!$f_dec!$backup_pass" | scrypt dec -P $f_enc $f_dec || break; \ - done - - **Note:** If this command fails, it is likely that the backup is corrupted - or has been tampered with. - - 7. Decompress and untar the decrypted `private.img` file. - - [user@restore ~]$ find vm1 -name 'private.img.*[0-9]' | sort -V | xargs cat | gzip -d | tar -xv + echo "$backup_id!$f_dec!$backup_pass" | scrypt dec -P $f_enc || break; \ + done | gzip -d | tar -xv vm1/private.img + If this pipeline fails, it is likely that the backup is corrupted or has + been tampered with. + **Note:** If your backup was compressed with a program other than `gzip`, you must substitute the correct compression program. This information is contained in `backup-header` (see step 4). - 8. Mount `private.img` and access your data. + 7. Mount `private.img` and access your data. [user@restore vm1]$ sudo mkdir /mnt/img [user@restore vm1]$ sudo mount -o loop vm1/private.img /mnt/img/ [user@restore vm1]$ cat /mnt/img/home/user/your_data.txt This data has been successfully recovered! - 9. Success! If you wish to recover data from more than one VM in your backup, - simply repeat steps 6--8 for each additional VM. + 8. Success! If you wish to recover data from more than one VM in your backup, + simply repeat steps 6 and 7 for each additional VM. **Note:** You may wish to store a copy of these instructions with your Qubes backups in the event that you fail to recall the above procedure