-bash: ssh: command not found

解决方法：

命令安装SSH：

 yum -y install openssh-clients

[root@had2 ~]#  yum -y install openssh-clients
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirrors.qlu.edu.cn
 * extras: mirrors.ustc.edu.cn
 * updates: mirrors.qlu.edu.cn
Resolving Dependencies
--> Running transaction check
---> Package openssh-clients.x86_64 0:7.4p1-22.el7_9 will be installed
--> Finished Dependency Resolution

Dependencies Resolved