# Importing Keys for Cloud Servers

In addition to the password login method, the bastion host also supports SSH Key secret key proxy login method for Linux hosts. Users can generate a key pair through third-party tools (such as putty) or Linux system commands ssh-keygen. Import the generated public key into the authorized\_keys file (such as /root/.ssh/authorized\_keys) in the login account directory of the managed host. Fill in the contents of the private key and the passphrase corresponding to the private key, as shown.

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