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17
user/how-to-guides/backup-emergency-restore-v3.md
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@ -56,6 +56,7 @@ any GNU/Linux system with the following procedure.
backup file may have been tampered with, or there may have been a storage
error.
**Note:** If your backup was hashed with a message digest algorithm other
than `sha512`, you must substitute the correct message digest command. This
information is contained in the `backup-header` file (see step 4), however
@ -64,7 +65,7 @@ any GNU/Linux system with the following procedure.
supported message digest algorithms can be found with `openssl
list-message-digest-algorithms`.
4. Read the `backup-header`. You'll need some of this information later. The
5. Read the `backup-header`. You'll need some of this information later. The
file will look similar to this:
[user@restore ~]$ cat backup-header
@ -78,7 +79,7 @@ any GNU/Linux system with the following procedure.
**Note:** If you see `version=2` here, go to [Emergency Backup Recovery -
format version 2](/doc/backup-emergency-restore-v2/) instead.
5. Verify the integrity of the `private.img` file which houses your data.
6. Verify the integrity of the `private.img` file which houses your data.
[user@restore ~]$ cd vm1/
[user@restore vm1]$ openssl dgst -sha512 -hmac "$backup_pass" private.img.000
@ -90,13 +91,14 @@ any GNU/Linux system with the following procedure.
backup file may have been tampered with, or there may have been a storage
error.
**Note:** If your backup was hashed with a message digest algorithm other
than `sha512`, you must substitute the correct message digest command. This
information is contained in the `backup-header` file (see step 4). A
complete list of supported message digest algorithms can be found with
`openssl list-message-digest-algorithms`.
6. Decrypt the `private.img` file.
7. Decrypt the `private.img` file.
[user@restore vm1]$ find -name 'private.img.*[0-9]' | sort -V | xargs cat | openssl enc -d -md MD5 -pass pass:"$backup_pass" -aes-256-cbc -out private.img.dec
@ -106,7 +108,7 @@ any GNU/Linux system with the following procedure.
complete list of supported cipher algorithms can be found with `openssl
list-cipher-algorithms`.
7. Decompress the decrypted `private.img` file.
8. Decompress the decrypted `private.img` file.
[user@restore vm1]$ zforce private.img.dec
private.img.dec -- replaced with private.img.dec.gz
@ -120,21 +122,22 @@ any GNU/Linux system with the following procedure.
[user@restore vm1]$ mv private.img.dec private.img.dec.bz2
[user@restore vm1]$ bunzip2 private.img.dec.bz2
8. Untar the decrypted and decompressed `private.img` file.
9. Untar the decrypted and decompressed `private.img` file.
[user@restore vm1]$ tar -xvf private.img.dec
vm1/private.img
9. Mount the private.img file and access your data.
10. Mount the private.img file 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!
10. Success! If you wish to recover data from more than one VM in your backup,
11. Success! If you wish to recover data from more than one VM in your backup,
simply repeat steps 5--9 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
while this web page is inaccessible. All Qubes documentation, including