Linux下"无法执行SCP开始传输"解决方法

通过winscp工具scp文件到服务器上时提示：

无法执行SCP开始传输。请确认SCP安装在服务器并且它的路径包括在PATH中。你也可以尝试SFTP代替SCP。
命令失败并返回127

--用root账户安装openssh-clients即可解决该问题
[root@rac1 bin]# yum install openssh-clients
Loaded plugins: product-id, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package openssh-clients.x86_64 0:5.3p1-84.1.el6 will be installed
--> Processing Dependency: libedit.so.0()(64bit) for package: openssh-clients-5.3p1-84.1.el6.x86_64
--> Running transaction check
---> Package libedit.x86_64 0:2.11-4.20080712cvs.1.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

================================================================================
 Package             Arch       Version                      Repository    Size
================================================================================
Installing:
 openssh-clients     x86_64     5.3p1-84.1.el6               rhel-iso     355 k
Installing for dependencies:
 libedit             x86_64     2.11-4.20080712cvs.1.el6     rhel-iso      74 k

Transaction Summary
================================================================================
Install       2 Package(s)

Total download size: 429 k
Installed size: 1.2 M
Is this ok [y/N]: y
Downloading Packages:
--------------------------------------------------------------------------------
Total                                            12 MB/s | 429 kB     00:00
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing : libedit-2.11-4.20080712cvs.1.el6.x86_64                      1/2
  Installing : openssh-clients-5.3p1-84.1.el6.x86_64                        2/2
  Verifying  : libedit-2.11-4.20080712cvs.1.el6.x86_64                      1/2
  Verifying  : openssh-clients-5.3p1-84.1.el6.x86_64                        2/2

Installed:
  openssh-clients.x86_64 0:5.3p1-84.1.el6

Dependency Installed:
  libedit.x86_64 0:2.11-4.20080712cvs.1.el6

Complete!

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