Forum Linux.débutant pb ssh + password

Bonjour,

J'essaye de me connecter à un serveur NAS via ssh, mais ssh me demande toujours le mot de passe.
J'ai 2 utilisateurs, un perso et git pour lesquels j'ai fait les mêmes manips (ssh-keygen + ssh-copy-id), j'ai vérifier les droits du répertoire .ssh, les uid et gid des 2 utilisateurs. Je ne comprends pas pourquoi le ssh utilisateur se connecte bien sans demander le mot de passe alors que la connexion git le demande systématiquement.

Voici la fin du log de ssh -vvv :
debug1: Host 'atlas' is known and matches the ECDSA host key.
debug1: Found key in /home/git/.ssh/known_hosts:1
debug1: ssh_ecdsa_verify: signature correct
debug2: kex_derive_keys
debug2: set_newkeys: mode 1
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug2: set_newkeys: mode 0
debug1: SSH2_MSG_NEWKEYS received
debug1: Roaming not allowed by server
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug2: key: /home/git/.ssh/id_rsa (0x7f8bf295e860),
debug2: key: /home/git/.ssh/id_dsa ((nil)),
debug2: key: /home/git/.ssh/id_ecdsa ((nil)),
debug2: key: /home/git/.ssh/id_ed25519 ((nil)),
debug1: Authentications that can continue: publickey,password
debug3: start over, passed a different list publickey,password
debug3: preferred gssapi-keyex,gssapi-with-mic,publickey,keyboard-interactive,password
debug3: authmethod_lookup publickey
debug3: remaining preferred: keyboard-interactive,password
debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
debug1: Offering RSA public key: /home/git/.ssh/id_rsa
debug3: send_pubkey_test
debug2: we sent a publickey packet, wait for reply
debug1: Authentications that can continue: publickey,password
debug1: Trying private key: /home/git/.ssh/id_dsa
debug3: no such identity: /home/git/.ssh/id_dsa: No such file or directory
debug1: Trying private key: /home/git/.ssh/id_ecdsa
debug3: no such identity: /home/git/.ssh/id_ecdsa: No such file or directory
debug1: Trying private key: /home/git/.ssh/id_ed25519
debug3: no such identity: /home/git/.ssh/id_ed25519: No such file or directory
debug2: we did not send a packet, disable method
debug3: authmethod_lookup password
debug3: remaining preferred: ,password
debug3: authmethod_is_enabled password
debug1: Next authentication method: password

Merci de votre aide
Fred