linux 安装ssh2

sudo apt update
sudo apt install openssh-server openssh-client

sudo yum install openssh-server openssh-clients

sudo systemctl start sshd
sudo systemctl enable sshd

sudo systemctl status sshd

ssh username@your_server_ip

npm install ssh2

const Client = require('ssh2').Client;

const conn = new Client();
conn.on('ready', function() {
    console.log('SSH连接已建立');

    conn.exec('uptime', function(err, stream) {
        if (err) throw err;
        stream.on('close', function(code, signal) {
            console.log('退出状态码：' + code);
            conn.end();
        }).on('data', function(data) {
            console.log('STDOUT: ' + data);
        }).stderr.on('data', function(data) {
            console.log('STDERR: ' + data);
        });
    });
}).connect({
    host: 'example.com',
    port: 22,
    username: 'username',
    password: 'password'
});