服务器改密码组件策略

import paramiko

def change_password(hostname, username, old_password, new_password):
    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    
    try:
        ssh.connect(hostname, username=username, password=old_password)
        stdin, stdout, stderr = ssh.exec_command(f'echo "{new_password}" | passwd --stdin {username}')
        output = stdout.read().decode()
        error = stderr.read().decode()
        
        if error:
            print(f"Error changing password: {error}")
        else:
            print("Password changed successfully")
    except Exception as e:
        print(f"Failed to connect or change password: {e}")
    finally:
        ssh.close()

# 示例调用
change_password('your_server_ip', 'your_username', 'old_password', 'new_password')