使用yum install openssh-clients 安裝命令
有的系統沒有此命令 有的系統缺省 就包含這一條命令！
但是我的測試機沒有發現此命令 只能這樣安裝！
這時有報錯了
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[root@ceshi .
ssh
]
# ssh-copy-id -i ./id_rsa root@192.168.0.20
ssh
: Could not resolve
hostname
.
/id_rsa
: Name or service not known
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這是因為沒有解析主機名
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[root@puttet ~]
# hostname
abc
[root@ceshi .
ssh
]
# vi /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.0.19 ceshi
192.168.0.20 abc
[root@ceshi .
ssh
]
# ping abc
PING abc (192.168.0.20) 56(84) bytes of data.
64 bytes from abc (192.168.0.20): icmp_seq=1 ttl=64
time
=0.322 ms
64 bytes from abc (192.168.0.20): icmp_seq=2 ttl=64
time
=0.270 ms
^C
--- abc
ping
statistics ---
2 packets transmitted, 2 received, 0% packet loss,
time
1300ms
rtt min
/avg/max/mdev
= 0.270
/0
.296
/0
.322
/0
.026 ms
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這樣就可以了
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[root@ceshi .
ssh
]
# ssh-copy-id -i ./id_rsa.pub root@192.168.0.20
The authenticity of host
'192.168.0.20 (192.168.0.20)'
can't be established.
RSA key fingerprint is 7b:a4:ae:42:50:8b:27:82:1c:
dc
:66:a9:5a:cb:67:a2.
Are you sure you want to
continue
connecting (
yes
/no
)?
yes
Warning: Permanently added
'192.168.0.20'
(RSA) to the list of known hosts.
root@192.168.0.20's password:
Now try logging into the machine, with
"ssh 'root@192.168.0.20'"
, and check
in
:
.
ssh
/authorized_keys
to
make
sure we haven
't added extra keys that you weren'
t expecting.
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ok 可以使用了！
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[root@puttet ~]
# cd .ssh/authorized_keys
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