需要借助Ganymed SSH的jar包: ganymed-ssh2-262.jar
下载地址： http://www.ganymed.ethz.ch/ssh2/
API详情: http://www.ganymed.ethz.ch/ssh2/javadoc/ch/ethz/ssh2/package-summary.html
https://blog.csdn.net/zhufengyan521521/article/details/82871437
https://www.cnblogs.com/shuaiqing/p/5664253.html
实用：https://my.oschina.net/liuyuanyuangogo/blog/186159
Connection conn = new Connection(hostname,port);
Session ssh = null;
1、连接主机：conn.connect()
2、用户名+密码：conn.authenticateWithPassword(username, password)
3、执行命令
3.1、创建与服务器的会话节点：ssh = conn.openSession();
3.2、执行Linux命令：ssh.execCommand("sh /root/hello.sh");