scp报错 -bash: scp: command not found

环境:RHEL6.5

使用scp命令报错:

[root@oradb23 media]# scp /etc/hosts oradb24:/etc/
-bash: scp: command not found

查看openssh相关包:

[root@oradb23 ~]# rpm -qa openssh*
openssh-5.3p1-94.el6.x86_64
openssh-server-5.3p1-94.el6.x86_64

发现服务器默认没有安装openssh的客户端。

yum 安装openssh客户端

[root@oradb23 ~]# yum install openssh-clients

[root@oradb23 ~]# rpm -qa openssh*
openssh-clients-5.3p1-94.el6.x86_64
openssh-5.3p1-94.el6.x86_64
openssh-server-5.3p1-94.el6.x86_64

yum配置本地源可参考:http://www.cnblogs.com/jyzhao/p/3938290.html

验证scp命令可用

[root@oradb23 ~]# scp
usage: scp [-1246BCpqrv] [-c cipher] [-F ssh_config] [-i identity_file]
           [-l limit] [-o ssh_option] [-P port] [-S program]
           [[user@]host1:]file1 ... [[user@]host2:]file2

再次执行:

[root@oradb23 ~]# scp /etc/hosts oradb24:/etc/
The authenticity of host 'oradb24 (192.168.1.24)' can't be established.
RSA key fingerprint is e0:fb:fb:67:a0:fc:cd:a5:dc:c8:bc:68:67:b1:93:3f.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'oradb24,192.168.1.24' (RSA) to the list of known hosts.
root@oradb24's password: 
bash: scp: command not found
lost connection

说明oradb24主机同样没有安装openssh客户端, 在oradb24主机也同样yum 安装,确定scp可用

[root@oradb24 ~]# yum install openssh-clients
[root@oradb24 ~]# scp
usage: scp [-1246BCpqrv] [-c cipher] [-F ssh_config] [-i identity_file]
           [-l limit] [-o ssh_option] [-P port] [-S program]
           [[user@]host1:]file1 ... [[user@]host2:]file2

再次尝试scp拷贝,这次就可以正常拷贝了。

[root@oradb23 ~]# scp /etc/hosts oradb24:/etc/
root@oradb24's password: 
hosts                                                                                                                                                                            100%  380     0.4KB/s   00:00    

说明scp拷贝,两端都需要保证scp命令可用才可以。

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