Java连接Linux并读取文件涉及以下几个基础概念:
java.io
包中的类。import com.jcraft.jsch.*;
import java.io.InputStream;
public class SSHExample {
public static void main(String[] args) {
String host = "your_linux_host";
String user = "your_username";
String password = "your_password";
int port = 22;
try {
JSch jsch = new JSch();
Session session = jsch.getSession(user, host, port);
session.setPassword(password);
session.setConfig("StrictHostKeyChecking", "no");
session.connect();
Channel channel = session.openChannel("exec");
((ChannelExec) channel).setCommand("cat /path/to/your/file");
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();
}
}
}
/etc/ssh/sshd_config
)是否允许密码认证。通过以上步骤和示例代码,你可以实现Java连接Linux并读取文件的功能。如果遇到具体问题,可以根据错误信息进行排查和解决。
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