ssh -vvvv 192.168.2.21 -p 2222 -o GSSAPIAuthentication=no 测试结果
192.168.2.29远程主机提示失败
debug2: input_userauth_pk_ok: SHA1 fp 22:89:e7:fa:21:76:7c:2c:8d:d1:c0:4a:50:b0:c4:77:f2:56:6c:b4
debug3: sign_and_send_pubkey: RSA 22:89:e7:fa:21:76:7c:2c:8d:d1:c0:4a:50:b0:c4:77:f2:56:6c:b4
debug3: no such identity: /root/.ssh/id_rsa
debug1: Trying private key: /root/.ssh/id_dsa
debug3: no such identity: /root/.ssh/id_dsa
debug1: Trying private key: /root/.ssh/id_ecdsa
debug3: no such identity: /root/.ssh/id_ecdsa
debug2: we did not send a packet, disable method文件权限
[root@mail ~]# ll .ssh -R
.ssh:
total 12
-rw-r--r--. 1 root root 408 Aug 9 09:20 authorized_keys
-rw-r--r--. 1 root root 408 Aug 9 09:15 id_rsa.pub
-rw-r--r--. 1 root root 1587 Aug 8 18:02 known_hosts
192.168.2.21源主机提示正常
debug2: input_userauth_pk_ok: SHA1 fp 22:89:e7:fa:21:76:7c:2c:8d:d1:c0:4a:50:b0:c4:77:f2:56:6c:b4
debug3: sign_and_send_pubkey: RSA 22:89:e7:fa:21:76:7c:2c:8d:d1:c0:4a:50:b0:c4:77:f2:56:6c:b4
debug1: read PEM private key done: type RSA
debug3: Wrote 640 bytes for a total of 2285
debug1: Authentication succeeded (publickey).文件权限
[root@localhost ~]# ll .ssh -R
.ssh:
total 16
-rw-r--r-- 1 root root 408 Jul 16 17:19 authorized_keys
-rw------- 1 root root 1675 Jul 16 17:13 id_rsa
-rw-r--r-- 1 root root 408 Jul 16 17:13 id_rsa.pub
-rw-r--r-- 1 root root 401 Jul 16 17:22 known_hosts
debug报错：debug3: no such identity: /root/.ssh/id_dsa
执行：ssh-keygen -f ~/.ssh/identity
参考：https://bbs.archlinux.org/vie...
如果上面的没用，看看这个：http://unix.stackexchange.com...