我可以以 root 身份连接到我的 EC2 实例，但如果我创建用户，则会收到权限被拒绝（公钥）错误。以下是ssh -v
OpenSSH_5.3p1 Debian-3ubuntu3, OpenSSL 0.9.8k 25 Mar 2009
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug1: Connecting to 184.72.242.226 [184.72.242.226] port 22.
debug1: Connection established.
debug1: identity file /home/amaro/.ssh/identity type -1
debug1: identity file /home/amaro/.ssh/id_rsa type 1
debug1: Checking blacklist file /usr/share/ssh/blacklist.RSA-2048
debug1: Checking blacklist file /etc/ssh/blacklist.RSA-2048
debug1: identity file /home/amaro/.ssh/id_dsa type -1
debug1: Remote protocol version 2.0, remote software version OpenSSH_5.1p1 Debian-6ubuntu2
debug1: match: OpenSSH_5.1p1 Debian-6ubuntu2 pat OpenSSH*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_5.3p1 Debian-3ubuntu3
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-ctr hmac-md5 none
debug1: kex: client->server aes128-ctr hmac-md5 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug1: Host '184.72.242.226' is known and matches the RSA host key.
debug1: Found key in /home/amaro/.ssh/known_hosts:1
debug1: ssh_rsa_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey
debug1: Next authentication method: publickey
debug1: Offering public key: /home/amaro/.ssh/id_rsa
debug1: Authentications that can continue: publickey
debug1: Offering public key: atkey.pem
debug1: Authentications that can continue: publickey
debug1: Trying private key: /home/amaro/.ssh/identity
debug1: Trying private key: /home/amaro/.ssh/id_dsa
debug1: No more authentication methods to try.
Permission denied (publickey).
答案1
找到解决方案必须在 .ssh 密钥上将权限设置为 700，感谢您的帮助