简单的SSH命令执行工具，支持密码登录、私钥登录、免密登录。支持多台机器并发执行

  -cmds string
        Command that needs to be executed
  -ips string
        IP address list, split by ","
  -k string
        SSH private key
  -pwd string
        Password
  -p int
        Port (default 22)
  -u string
        Username

go build

密码登录：

./sshTool -ips 127.0.0.1,192.132.133.43 -p 22 -u root -pwd 123456 -cmds "mkdir fantasticKe;ls"

秘钥登录：

./sshTool -ips 127.0.0.1,192.132.133.43 -p 22 -u root -key /root/.ssh/id_rsa -cmds "mkdir fantasticKe;ls"

免密登录：

./sshTool -ips 127.0.0.1,192.132.133.43 -p 22 -u root -cmds "mkdir fantasticKe;ls"