当我登录到我的CentOS 7服务器时,会发现一些错误。
Similar command is: 'tty'
bash: ls: command not found...
Similar command is: 'lz'
/usr/libexec/grepconf.sh: line 5: grep: command not found
昨天,我尝试使用本教程:https://howtoprogram.xyz/2017/09/22/install-oracle-java-9-centos-rhel/安装jre 9。
我的服务器不识别像ls或yum这样的命令。我试图
import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.shape.Circle;
import javafx.stage.Stage;
public class app extends Application
{
@Override
public void start(final Stage stage) throws Exception
{
final Circle circ = new C