jsch 公钥 链接linux

import com.jcraft.jsch.*;

public class JSchExample {
    public static void main(String[] args) {
        String host = "your_server_ip";
        String user = "your_username";
        String privateKey = "/path/to/your/private/key";

        try {
            JSch jsch = new JSch();
            jsch.addIdentity(privateKey);

            Session session = jsch.getSession(user, host, 22);
            session.setConfig("StrictHostKeyChecking", "no"); // 注意：在生产环境中应谨慎使用
            session.connect();

            System.out.println("Connected to " + host);

            // 执行命令
            ChannelExec channel = (ChannelExec) session.openChannel("exec");
            channel.setCommand("ls -l");
            channel.setInputStream(null);
            channel.setErrStream(System.err);

            InputStream in = channel.getInputStream();
            channel.connect();

            byte[] tmp = new byte[1024];
            while (true) {
                while (in.available() > 0) {
                    int i = in.read(tmp, 0, 1024);
                    if (i < 0) break;
                    System.out.print(new String(tmp, 0, i));
                }
                if (channel.isClosed()) {
                    System.out.println("exit-status: " + channel.getExitStatus());
                    break;
                }
                try { Thread.sleep(1000); } catch (Exception ee) {}
            }

            channel.disconnect();
            session.disconnect();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}