Use the Windows Task Scheduler and run your script like this:
powershell -File myScript.ps1 -WindowStyle Hidden
Furthermore create the script that it runs under a specific user account and not only when that user is logged on. Otherwise you'll see a console window.
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Perhaps this scenario will do. We do not start PowerShell executable every minute (this is expensive, BTW). Instead, we start it once by calling an extra script that calls the worker script once a minute (or actually waits a minute after the worker script exits or fails).
Create the starting Invoke-MyScript.ps1:
for(;;) {
try {
# invoke the worker script
C:\ROM\_110106_022745\MyScript.ps1
catch {
# do something with $_, log it, more likely
# wait for a minute
Start-Sleep 60
Run this from Cmd (e.g. from a startup .bat file):
start /min powershell -WindowStyle Hidden -Command C:\ROM\_110106_022745\Invoke-MyScript.ps1
The PowerShell window appears for a moment but it is minimized due to start /min and just in a moment it gets hidden forever. So that actually only the task bar icon appears for a moment, not the window itself. It's not too bad.
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Schedule your task to be run as System. The command below will schedule a script to be run in the background without showing powershell console window:
schtasks /create /tn myTask /tr "powershell -NoLogo -WindowStyle hidden -file myScript.ps1" /sc minute /mo 1 /ru System
/ru switch lets you change the user context in which the scheduled task will be executed.
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To create a background powershell task to run a script that repeats every minute with no visible window at all, run powershell as administrator and then use the Register-ScheduledJob cmdlet to run your script. Here's an example of how to make that happen:
Register-ScheduledJob -Name 'SomeJobName' -FilePath 'path\to\your\ps1' -Trigger (New-JobTrigger -Once -At "9/28/2018 0am" -RepetitionInterval (New-TimeSpan -Minutes 1) -RepetitionDuration ([TimeSpan]::MaxValue))
If you want to manually force this job to run (perhaps for troubleshooting purposes) you can use the Get-ScheduledJob cmdlet like this:
(Get-ScheduledJob -Name 'SomeJobName').StartJob()
These answers are histerical!
If you want to run a powershell script as a background job try
start-job .\script
from the CLI within the folder you house scripts in.
If you want to run script automatically in time interval. (for windows os)
1) Open Schedule tasks from control panel.
2) Select Task Scheduler Library from left side window.
3) select Create Task from right side window.
4) Enter Name in General tab (any name).
5) Open Triggers tab -> New
6) Select interval as needed.Use Advanced settings for repeat task.
7) Open Actions tab ->New
8) Copy/Paste following line in Program/script *
* Here D:\B.ps1 in code is path to my B.ps1 file
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe D:\B.ps1
9) ok and apply changes
10) Done!
# Version 1.0
# Use this to simply test for the existance of an input file... Servers.txt.
# I want to then call another script if the input file exists where the
# servers.txt is neded to the other script.
$workpath=".\Server1\Restart_Test"
# Created a functon that I could call as part of a loop.
function Filecheck
if (test-path $workpath\servers.txt)
rename-item $workpath\servers.txt servers1.txt
"Servers.txt exist... invoking an instance of your script agains the list of servers"
Invoke-Expression .\your_Script.ps1
"sleeping"
Start-Sleep -Seconds 60
Filecheck
$fred=0
# Needed to set a variabe that I could check in the while loop.
# Probably a better way but this was my way.
While( $fred -lt 1 )
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