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Update cheatsheets

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ivuorinen
2024-03-04 00:13:37 +00:00
parent d5be0a5308
commit 4fc14b09a3
10 changed files with 195 additions and 45 deletions
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22
tldr/linux/dd
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@@ -8,29 +8,25 @@ source: https://github.com/tldr-pages/tldr.git
> Convert and copy a file.
> More information: <https://www.gnu.org/software/coreutils/dd>.
- Make a bootable USB drive from an isohybrid file (such like `archlinux-xxx.iso`) and show the progress:
- Make a bootable USB drive from an isohybrid file (such as `archlinux-xxx.iso`) and show the progress:
`dd if={{path/to/file.iso}} of={{/dev/usb_drive}} status=progress`
`dd status=progress if={{path/to/file.iso}} of={{/dev/usb_drive}}`
- Clone a drive to another drive with 4 MiB block, ignore error and show the progress:
- Clone a drive to another drive with 4 MiB block size and flush writes before the command terminates:
`dd if={{/dev/source_drive}} of={{/dev/dest_drive}} bs={{4M}} conv={{noerror}} status=progress`
`dd bs={{4M}} conv={{fsync}} if={{/dev/source_drive}} of={{/dev/dest_drive}}`
- Generate a file of 100 random bytes by using kernel random driver:
- Generate a file with a specific number of random bytes by using kernel random driver:
`dd if=/dev/urandom of={{path/to/random_file}} bs={{100}} count={{1}}`
`dd bs={{100}} count={{1}} if=/dev/urandom of={{path/to/random_file}}`
- Benchmark the write performance of a disk:
`dd if=/dev/zero of={{path/to/file_1GB}} bs={{1024}} count={{1000000}}`
`dd bs={{1M}} count={{1000000}} if=/dev/zero of={{path/to/file_1GB}}`
- Generate a system backup into an IMG file and show the progress:
- Create a system backup and save it into an IMG file (can be restored later by swapping `if` and `of`):
`dd if={{/dev/drive_device}} of={{path/to/file.img}} status=progress`
- Restore a drive from an IMG file and show the progress:
`dd if={{path/to/file.img}} of={{/dev/drive_device}} status=progress`
`dd if={{/dev/drive_device}} of={{path/to/file.img}}`
- Check the progress of an ongoing dd operation (run this command from another shell):

2
tldr/linux/pwn
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@@ -8,7 +8,7 @@ source: https://github.com/tldr-pages/tldr.git
> Exploit Development Library designed for rapid prototyping.
> More information: <https://docs.pwntools.com/en/stable/commandline.html>.
- Convert the given assembly code to `bytes`:
- Convert the given assembly code to `bytes`:
`pwn asm "{{xor edi, edi}}"`