balena ssh <uuid> gives Permission denied (publickey). local IP & putty work for host OS

Product support balenaOS
6

hi, here’s my .ssh folder. is there anything i’ve missed doing on the raspi? thanks, mahesh

 Directory of C:\Users\<USER>\.ssh

02/22/2020  08:42 AM    <DIR>          .
02/22/2020  08:42 AM    <DIR>          ..
05/30/2019  04:30 PM             1,679 github_rsa
05/30/2019  04:30 PM               392 github_rsa.pub
02/22/2020  08:42 AM               227 known_hosts
01/05/2020  06:23 PM               228 known_hosts - Copy *i made this copy*
02/22/2020  03:44 AM             1,679 <user>@<domain>
02/22/2020  03:44 AM               405 <user>@<domain>.pub
               6 File(s)          4,610 bytes