:data-analysis user$ git push -v origin masterssh_exchange_identification: Connectionclosed by remotehost
fatal: Could not read from remote repository.: Connectionclosed</
addressdebug1: Connecting to xx.xxx.x.xxx [xx.xxx.x.xxx] port 21.debug1: Local version string SSH-2.0-OpenSSH_7.9
ssh_exchange_identification: Connection</em