Copy file contents to the clipboard in Linux terminal

I'm generating an SSH key but I don't know how to copy the key from id_rsa.pub to the clipboard. I'm using BackBox Linux.

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最佳答案

You can use:

cat ~/.ssh/id_rsa.pub

I hope that help you, if not:

Set up SSH for Git and Mercurial on Mac OSX/Linux

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If you're copying from terminal (like if you use the cat command already posted), highlight the key details and use Ctrl + Shift + C. This should put it on your clipboard. You can also right click and select 'copy' from terminal.

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In macOS (but maybe also in Linux operating systems) you can do the following that will directly copy the content of id_rsa.pub to clipboard:

pbcopy < ~/.ssh/id_rsa.pub

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xclip -sel c < input_file

will copy the contents of input_file to clipboard. xclip requires installation. To install

sudo apt install xclip

-sel stands for -selection. c is for clipboard. Interchangeable.

Capable of much more, I advise reading its man page.

There is also xsel. This answer on Unix SE gives a very thorough answer to this exact question.

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This command copies the content of a file into your clipboard:

xclip -selection clipboard -i < file.txt

Also, this shorter command copies the content of a file into the mouse middle click:

xclip < file.txt