(VB.NET) SSH Execute Remote Commands

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Shows how to execute a command on an SSH server and retrieve the command output.

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' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim ssh As New Chilkat.Ssh

Dim port As Integer = 22
Dim success As Boolean = ssh.Connect("the-ssh-server.com",port)
If (success <> True) Then
    Debug.WriteLine(ssh.LastErrorText)
    Exit Sub
End If


' Authenticate using login/password:
success = ssh.AuthenticatePw("theSshLogin","theSshPassword")
If (success <> True) Then
    Debug.WriteLine(ssh.LastErrorText)
    Exit Sub
End If


' Send some commands and get the output.
Dim strOutput As String = ssh.QuickCommand("df","ansi")
If (ssh.LastMethodSuccess <> True) Then
    Debug.WriteLine(ssh.LastErrorText)
    Exit Sub
End If

Debug.WriteLine("---- df ----")
Debug.WriteLine(strOutput)

strOutput = ssh.QuickCommand("echo hello world","ansi")
If (ssh.LastMethodSuccess <> True) Then
    Debug.WriteLine(ssh.LastErrorText)
    Exit Sub
End If

Debug.WriteLine("---- echo hello world ----")
Debug.WriteLine(strOutput)

strOutput = ssh.QuickCommand("date","ansi")
If (ssh.LastMethodSuccess <> True) Then
    Debug.WriteLine(ssh.LastErrorText)
    Exit Sub
End If

Debug.WriteLine("---- date ----")
Debug.WriteLine(strOutput)

' --------------
' Sample output:

' 	---- df ----
' 	Filesystem    512-blocks      Used  Available Capacity  iused     ifree %iused  Mounted on
' 	/dev/disk2    2176716032 265736304 1910467728    13% 33281036 238808466   12%   /
' 	devfs                382       382          0   100%      662         0  100%   /dev
' 	map -hosts             0         0          0   100%        0         0  100%   /net
' 	map auto_home          0         0          0   100%        0         0  100%   /home
' 	/dev/disk3s2      374668    374668          0   100%    93665         0  100%   /Volumes/Google Chrome
' 
' 	---- echo hello world ----
' 	hello world
' 
' 	---- date ----
' 	Thu Dec 22 17:19:32 CST 2016