Skip to content

Instantly share code, notes, and snippets.

@bradfitz

bradfitz/gist:0dbdd7471b2e52606fd35a29aff9d68d

Created July 20, 2018 02:31
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save bradfitz/0dbdd7471b2e52606fd35a29aff9d68d to your computer and use it in GitHub Desktop.
Save bradfitz/0dbdd7471b2e52606fd35a29aff9d68d to your computer and use it in GitHub Desktop.
Download ZIP
Raw
gistfile1.txt
root@debian:~# dd if=/dev/sda of=out bs=1M count=1
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00404595 s, 259 MB/s
root@debian:~# hd out
00000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
000001c0 01 00 ee fe ff ff 01 00 00 00 ff ff 9f 00 00 00 |................|
000001d0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.|
00000200 45 46 49 20 50 41 52 54 00 00 01 00 5c 00 00 00 |EFI PART....\...|
00000210 b3 84 18 32 00 00 00 00 01 00 00 00 00 00 00 00 |...2............|
00000220 ff ff 9f 00 00 00 00 00 22 00 00 00 00 00 00 00 |........".......|
00000230 de ff 9f 00 00 00 00 00 d6 60 ca 86 21 fe e7 41 |.........`..!..A|
00000240 96 ab 42 bb 63 72 ba 35 02 00 00 00 00 00 00 00 |..B.cr.5........|
00000250 80 00 00 00 80 00 00 00 ab 38 d5 b0 00 00 00 00 |.........8......|
00000260 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
00000400 28 73 2a c1 1f f8 d2 11 ba 4b 00 a0 c9 3e c9 3b |(s*......K...>.;|
00000410 10 ef c1 c9 31 fe 94 4b bd bc c2 75 0f 8f e6 21 |....1..K...u...!|
00000420 00 08 00 00 00 00 00 00 ff 07 10 00 00 00 00 00 |................|
00000430 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
00000480 af 3d c6 0f 83 84 72 47 8e 79 3d 69 d8 47 7d e4 |.=....rG.y=i.G}.|
00000490 f2 64 0a 1c ca a6 98 47 92 be 6f 37 c5 e1 c5 5b |.d.....G..o7...[|
000004a0 00 08 10 00 00 00 00 00 ff a7 17 00 00 00 00 00 |................|
000004b0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
00000500 79 d3 d6 e6 07 f5 c2 44 a2 3c 23 8f 2a 3d f9 28 |y......D.<#.*=.(|
00000510 bf 84 31 18 1c 37 06 44 8b 06 9b 87 2f 46 44 87 |..1..7.D..../FD.|
00000520 00 a8 17 00 00 00 00 00 ff f7 9f 00 00 00 00 00 |................|
00000530 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
00100000
root@debian:~# dd if=/dev/sda of=backup skip=10485759 count=1
1+0 records in
1+0 records out
512 bytes copied, 0.000162967 s, 3.1 MB/s
root@debian:~# hd backup
00000000 45 46 49 20 50 41 52 54 00 00 01 00 5c 00 00 00 |EFI PART....\...|
00000010 af 53 a9 48 00 00 00 00 ff ff 9f 00 00 00 00 00 |.S.H............|
00000020 01 00 00 00 00 00 00 00 22 00 00 00 00 00 00 00 |........".......|
00000030 de ff 9f 00 00 00 00 00 d6 60 ca 86 21 fe e7 41 |.........`..!..A|
00000040 96 ab 42 bb 63 72 ba 35 df ff 9f 00 00 00 00 00 |..B.cr.5........|
00000050 80 00 00 00 80 00 00 00 ab 38 d5 b0 00 00 00 00 |.........8......|
00000060 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
00000200
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment