Phalcon开发工具安装不起作用

Question

我按照此页面安装了phalcon dev工具。

https://docs.phalconphp.com/en/3.1.0/reference/linuxtools.html

问题是，当我在终端中键入$ phalcon 时，会给出此回复：

Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
    Dim t As Task = Task.Run(Sub()
                                 RecurseNodes(TreeView1.Nodes(0))
                             End Sub)
End Sub

Private Sub RecurseNodes(ByVal col As TreeNode)
    For Each tn As TreeNode In col.Nodes
        If tn.Level < 2 AndAlso tn.Nodes.Count > 0 Then
            RecurseNodes(tn)
        ElseIf tn.Level = 2 Then
            Dim tp As Task
            tp = Task.Run(Sub()
                              Dim c As Color
                              Dim idx As Integer
                              Try
                                  If My.Computer.Network.Ping(tn.Text) Then
                                      c = Color.Green
                                      idx = 4
                                  Else
                                      c = Color.Red
                                      idx = 5
                                  End If
                              Catch ex As Exception
                                  c = Color.Red
                                  idx = 5
                              End Try
                              Me.Invoke(Sub()
                                            tn.ForeColor = c
                                            tn.StateImageIndex = idx
                                        End Sub)
                          End Sub)
        End If
    Next tn
End Sub