AuthenticationConnect to an OpenSSH server without a passphrase in LinuxKnown Hosts and StrictHostKeyCheckingPublic key authentication with OpenSSH on LinuxInstallInstall OpenSSH on LinuxSSH from Linux to WindowsKnown HostsCheck known_hosts file using the ssh-keyscan commandRemove entries from known_hosts file using ssh-keygenUnderstanding Known Hostsssh-keygen commandCreate a public / private key pair using the ssh-keygen commandssh commandConnect to an SSH server using the ssh commandssh ConnectTimeout optionssh PasswordAuthentication optionsshpass commandConnect to an SSH server without a password using the sshpass commandTroubleshootingResolve "The authenticity of host can't be established"Resolve ssh_exchange_identification read connection reset by peer