liviaerxin/ssh.md

Created March 8, 2023 06:46

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SSH Login Setup #ssh

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ssh.md

SSH Login Setup

Generate ssh key

# Generate ssh key with files(~/.ssh/id_rsa, ~/.ssh/id_rsa/pub) and username in default
ssh-keygen -t rsa

# Generate ssh key with specified files and username
ssh-keygen -t rsa -f ~/.ssh/[KEY_FILENAME] -C [USERNAME]

Install ssh key to server

ssh-copy-id -i ~/.ssh/id_rsa.pub user@host
ssh-copy-id -i ~/.ssh/mykey.pub user@host

It equals to manually add the public key to ~/.ssh/authorized_keys

Test ssh login with the new key

ssh -i ~/.ssh/mykey user@host