所以我在远程linux服务器上有两个用户：userA， ，并以完全相同的方式userB将我的本地添加id_rsa.pu到他们，文件权限和所有权都可以，但是当我时，我可以使用但不能登录：authorized_keysssh remoteServeruserAuserB
这是日志ssh -vvv
好的一个：ssh -vvv userA@ip
debug2: key: /Users/sato/.ssh/id_rsa (0x7fac52415cc0), explicit
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey,keyboard-interactive
debug1: Next authentication method: publickey
debug1: Offering public key: RSA SHA256:****************************************** /Users/sato/.ssh/id_rsa
debug2: we sent a publickey packet, wait for reply
debug1: Server accepts key: pkalg ssh-rsa blen 279
debug2: input_userauth_pk_ok: fp SHA256:*******************************************
debug1: Authentication succeeded (publickey).
Authenticated to *************** (*********************).
不好的一个：ssh -vvv userB@ip
debug2: key: /Users/sato/.ssh/id_rsa (0x7faf19c186a0), explicit
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey,keyboard-interactive
debug1: Next authentication method: publickey
debug1: Offering public key: RSA SHA256:****************************************** /Users/sato/.ssh/id_rsa
debug2: we sent a publickey packet, wait for reply
debug1: Authentications that can continue: publickey,keyboard-interactive
debug2: we did not send a packet, disable method
debug1: Next authentication method: keyboard-interactive
debug2: userauth_kbdint
debug2: we sent a keyboard-interactive packet, wait for reply
debug1: Authentications that can continue: publickey,keyboard-interactive
debug2: we did not send a packet, disable method
debug1: No more authentication methods to try.
********************: Permission denied (publickey,keyboard-interactive).
为什么我无法用userB登录？
# ls -ld /home/userB
drwxr-xr-x 7 userB userB 4096 2018-03-29 18:29 /home/userB
# ls -ld /home/userB/.ssh/
drwx------ 2 userB userB 4096 2018-03-30 10:45 /home/userB/.ssh/
# ls -l /home/userB/.ssh/
total 16
-rw------- 1 userB userB 805 2018-03-30 10:45 authorized_keys
-rw------- 1 userB userB 1675 2018-02-15 16:15 id_rsa
-rw-r--r-- 1 userB userB 400 2018-02-15 16:15 id_rsa.pub
-rw-r--r-- 1 userB userB 1300 2018-02-15 16:27 known_hosts
# ls -ld /home/userA
drwxr-xr-x 21 userA userA 4096 2018-03-21 16:13 /home/userA
# ls -ld /home/userA/.ssh/
drwx------ 2 userA userA 4096 2018-03-30 10:45 /home/userA/.ssh/
# ls -l /home/userA/.ssh/
total 128
-rw------- 1 userA userA 805 2018-03-30 10:45 authorized_keys
-rw------- 1 userA userA 3243 2018-01-05 17:09 id_rsa
-rw-r--r-- 1 userA userA 747 2018-01-05 17:09 id_rsa.pub
-rw-r--r-- 1 userA userA 104246 2018-03-06 15:09 known_hosts
sshd_配置：
HostKey /etc/ssh/ssh_host_key
HostDsaKey /etc/ssh/ssh_host_dsa_key
ServerKeyBits 768
LoginGraceTime 120
KeyRegenerationInterval 3600
PermitRootLogin no
IgnoreRhosts no
StrictModes yes
X11Forwarding yes
X11DisplayOffset 10
PrintMotd yes
KeepAlive yes
SyslogFacility AUTH
LogLevel VERBOSE
RhostsRSAAuthentication no
RSAAuthentication yes
PasswordAuthentication no
PermitEmptyPasswords no