Public key

bonjour,
comment se passe son implémentation,
à priori j’ai refait le wiki debian
mais:

Debian GNU/Linux jessie/sid
debug1: Authentications that can continue: publickey
debug1: Next authentication method: publickey
debug1: Offering RSA public key: /home/jb1/.ssh/id_rsa
debug2: we sent a publickey packet, wait for reply
debug1: Authentications that can continue: publickey
debug1: Offering DSA public key: /home/jb1/.ssh/id_dsa
debug2: we sent a publickey packet, wait for reply
debug1: Authentications that can continue: publickey
debug1: Offering RSA public key: jb1@alpha30.bohain.org
debug2: we sent a publickey packet, wait for reply
debug1: Authentications that can continue: publickey
debug1: Offering RSA public key: jb1@alpha30.bohain.org
debug2: we sent a publickey packet, wait for reply
debug1: Authentications that can continue: publickey
debug1: Trying private key: /home/jb1/.ssh/id_ecdsa
debug1: Trying private key: /home/jb1/.ssh/id_ed25519
debug2: we did not send a packet, disable method
debug1: No more authentication methods to try.
Permission denied (publickey).
jb1@alpha30:~$ 

je ne sais qu’aller d’une machine vers l’autre mais pas réciproquement
A+
JB1