Edit

X

Xclip - Copy content to x11 clipboard

Installation

  • apt-get install xclip

Command

  • Copy: xclip

  • Paste: xclip -o

Using with SSH session

  • By default, use $DISPLAY environment variable. Can be set using -d option

  • Refer to X11 Forwarding at https://hatinfosec.wordpress.com/2021/03/12/linux-ssh-command/

Some Error

Can’t copy data from SSH session to host machine clipboard (not remote machine’s clipboard)

  • Reason: by default, xclip use primary selection

  • Solution: use xclip -selection clipboard or xclip -sel c

MacOS: Can copy data from SSH session (X11 Forwarding using xquartz) using xclip -sel c as in above case, but can’t paste it

  • Reason: Pasteboard synching is not enabled

  • Solution

    • Right Click at XQuartz -> Applications -> Customize

    • Then Under XQuartz menu -> Preferences (or Press Command ,)

    • Then Enable Synching

      • or Disable it, Close Preferences, then Reopen to enable it again.

XXD

  • xxd creates a hex dump of a given file or standard input

  • It can also convert a hex dump back to its original binary form.

Options

  • -r: reverse

  • -p: plain

  • -ps: postscript

Example

Reference

  • https://www.tutorialspoint.com/unix_commands/xxd.htm

  • https://manpages.ubuntu.com/manpages/trusty/man1/xxd.1.html

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