Error: Can't open display: (null) when using Xclip to copy ssh public key 1

Error: Can’t open display: (null) when using Xclip to copy ssh public key

#start your ssh session like this
ssh user@ip -X
#then you can use the following command
cat id_rsa.pub | xclip -sel clip

Here is what the above code is Doing:
1. It’s creating a new ssh key using the email as a label.
2. It’s starting the ssh-agent in the background.
3. It’s adding the ssh private key to the ssh-agent.
4. It’s copying the ssh public key to your clipboard.

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