haas:spring2016:unix:projects:udr1
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| haas:spring2016:unix:projects:udr1 [2016/03/15 12:09] – [Backstory] wedge | haas:spring2016:unix:projects:udr1 [2016/03/15 13:37] (current) – [Partition Layout] wedge | ||
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| =====Process===== | =====Process===== | ||
| - | In order to gain access to the drive (in the form of the file called **disk.image**, | + | In order to gain access to the drive (in the form of the file called **disk.image**, |
| - | There is a backup stored on the drive... you were informed of its location when you successfully ran prep. Extract | + | There is a backup stored on the drive... you were informed of its location when you successfully ran **prep**. Obtain |
| - | Once you have it, you'll want to restore it onto the drive; it occupies | + | Once you have it, you'll want to restore it onto the drive; it needs to occupy |
| Once you have that in place, we can use a hex editor to study the partition table and determine the starting sectors and overall sizes of each partition. | Once you have that in place, we can use a hex editor to study the partition table and determine the starting sectors and overall sizes of each partition. | ||
| - | You'll want to extract each partition individually from the disk image so you can better interact with it. You'll need to determine the partition type and ensure a filesystem is in place. Ultimately you'll want to be able to view and copy data to/from the various partitions. | + | You'll want to extract each partition individually from the disk image so you can better interact with it. You'll need to determine the partition type and ensure a viable |
| - | As this is a disk image of the chief meme archivist' | + | To facilitate your efforts, please name each extracted partition files as follows: |
| + | |||
| + | * partition #1: **udr1.part1.img** | ||
| + | * if there' | ||
| + | * if there' | ||
| + | * if there' | ||
| + | |||
| + | As this is a disk image of the chief meme archivist' | ||
| Finally, reintegrating the changed fourth partition over the old one, so that you can submit the whole restored image, along with a list of command-lines you performed (and other information gathered) to accomplish this task. | Finally, reintegrating the changed fourth partition over the old one, so that you can submit the whole restored image, along with a list of command-lines you performed (and other information gathered) to accomplish this task. | ||
| Line 95: | Line 102: | ||
| ====Partition Layout==== | ====Partition Layout==== | ||
| A partition is defined in 16 bytes (the classic PC layout allows for four primary partitions). The byte layout is as follows: | A partition is defined in 16 bytes (the classic PC layout allows for four primary partitions). The byte layout is as follows: | ||
| - | |||
| - | Structure of a 16-byte Partition Table Entry | ||
| - | Relative Offsets | ||
| - | (within entry) | ||
| - | Length | ||
| - | (bytes) | ||
| - | Contents | ||
| ^ Byte ^ Description | ^ Byte ^ Description | ||
haas/spring2016/unix/projects/udr1.1458043793.txt.gz · Last modified: 2016/03/15 12:09 by wedge
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