Wissensdatenbank

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===== Allgemeine Befehle =====

==== Systeminformation anzeigen ====
**CMD**
<code>systeminfo</code>

**GUI**
<code>msinfo32</code>
(seit 2012 kein Systemverlauf)

==== Touch in Powershell ====

<code powershell>
(Get-ChildItem(".\Svcrunap.exe")).LastWriteTime = Get-Date
</code>


<code powershell>
get-childitem | foreach { $_.LastWriteTime=Get-Date }
</code>

==== Royal TS Prepare Server Powershell-Skript ====

<file powershell prepare_server.ps1>
# prepare_server.ps1
#
# Script is to be used at own risk
#
# PowerShell script that does the following steps:
#     1. Enable-PSRemoting for localhost
#     2. Enables the Firewall Rule "Windows Management Instrumentation (WMI-In)"
#     3. Enables the Firewall Rule "Windows Management Instrumentation (DCOM-In)"
#
# execution:
#     powershell.exe prepare_server.ps1
#
# tested on:
#     1. windows server 2012 r2
#     2. windows server 2012
# 
# known issues:
#     problem: on windows server 2008 r2 the powershell commandlet "Get-NetFirewallRule" is missing.
#     fix: use the following commandline to enable the firewall vie netsh:
#         netsh advfirewall firewall set rule name="Windows Management Instrumentation (WMI-In)" new enable=yes
#         netsh advfirewall firewall set rule name="Windows Management Instrumentation (DCOM-In)" new enable=yes
#         
#         but our tests showed that this is not needed anyways on this operating system.
#
#
#    problem: File can not be loaded because running scripts is disabled on this system.
#    fix: enabled runnning scripts via Set-ExecutionPolicy unrestricted
#
#

function Test-PSRemoting 
{ 
    param( 
        [Parameter(Mandatory = $true)] 
        $computername 
    ) 
    
    try 
    { 
        $errorActionPreference = "Stop" 
        $result = Invoke-Command -ComputerName $computername { 1 } 
    } 
    catch 
    { 
        Write-Verbose $_ 
        return $false 
    } 

    if($result -ne 1) 
    { 
        Write-Verbose "Remoting to $computerName returned an unexpected result." 
        return $false 
    } 
    $true    
}

function EnableFirewallRuleIfNeeded { 
    param ([string]$ruleName)


    $rules = Get-NetFirewallRule -DisplayName $ruleName

    foreach($rule in $rules)
    {
        if($rule.Enabled.ToString() -eq "False")
        {
            $msg = "Rule '{0}/({1})' is disabled. Do you want to enabled it? (y/n)" -f $rule.DisplayName, $rule.Name
            $en = Read-Host $msg
            if($en -eq "y")
            {
            
                Set-NetFirewallRule -Name $rule.Name -Enabled True
                $newrule = Get-NetFirewallRule -Name $rule.Name

                "Rule '{0}/({1})'.Enabled is '{2}' now" -f $rule.DisplayName, $rule.Name, $newrule.Enabled
            }
        }
		else
		{
			$msg = "Rule '{0}/({1})' is enabled already. No changes needed." -f $rule.DisplayName, $rule.Name
			Write-Host $msg
		}
    }
    
}



# PSRemoting
function EnablePSRemotingIfNeeded { 
	$psremotingEnabled = Test-PsRemoting -computername localhost
	if($psremotingEnabled -eq $false)
	{
		$msg = "PSRemoting is not enabled on this machine. Do you want to enable it? (y/n)"
		$en = Read-Host $msg
		if($en -eq "y")
		{
			
            $err = @()
            Enable-PSRemoting -ErrorAction SilentlyContinue -ErrorVariable err
            
            
            if ($err -ne $null)
            {
                Write-Host "PSRemoting could not be enabled:"
                $err  
            }
            else
            {
                Write-Host "PSRemoting is now enabled on this computer."  
            }  
		}
		else
		{
			Write-Host "No changes were done to PSRemoting. Royal Server needs it to be enabled to work."    
		}
	}
	else
	{
		Write-Host "PSRemoting is already enabled on this computer."
	}
}


# Enable-PSRemoting
EnablePSRemotingIfNeeded

# firewall rules
EnableFirewallRuleIfNeeded "Windows Management Instrumentation (WMI-In)"
EnableFirewallRuleIfNeeded "Windows Management Instrumentation (DCOM-In)"

</file>