¶ Rolig kod 
¶ Konverterar powerpoint filer till pdf från prompt eller via skript (spara som .ps1 fil och kör där pptx filerna ligger)
Källa
!OBS! Ta bort nedersta raden, den gör bara namnbyte på filerna enligt mitt eget tycke!
# Batch convert all .ppt/.pptx files encountered in folder and all its subfolders
# The produced PDF files are stored in the invocation folder
#
# Adapted from http://stackoverflow.com/questions/16534292/basic-powershell-batch-convert-word-docx-to-pdf
# Thanks to MFT, takabanana, ComFreek
#
# If PowerShell exits with an error, check if unsigned scripts are allowed in your system.
# You can allow them by calling PowerShell as an Administrator and typing
# ```
# Set-ExecutionPolicy Unrestricted
# ```
# Get invocation path
$curr_path = Split-Path -parent $MyInvocation.MyCommand.Path
# Create a PowerPoint object
$ppt_app = New-Object -ComObject PowerPoint.Application
# Get all objects of type .ppt? in $curr_path and its subfolders
Get-ChildItem -Path $curr_path -Recurse -Filter *.ppt? | ForEach-Object {
Write-Host "Processing" $_.FullName "..."
# Open it in PowerPoint
$document = $ppt_app.Presentations.Open($_.FullName)
# Create a name for the PDF document; they are stored in the invocation folder!
# If you want them to be created locally in the folders containing the source PowerPoint file, replace $curr_path with $_.DirectoryName
$pdf_filename = "$($curr_path)\$($_.BaseName).pdf"
# Save as PDF -- 17 is the literal value of `wdFormatPDF`
$opt= [Microsoft.Office.Interop.PowerPoint.PpSaveAsFileType]::ppSaveAsPDF
$document.SaveAs($pdf_filename, $opt)
# Close PowerPoint file
$document.Close()
}
# Exit and release the PowerPoint object
$ppt_app.Quit()
[System.Runtime.Interopservices.Marshal]::ReleaseComObject($ppt_app)
Get-ChildItem -Filter "*Chp*.pdf" -Recurse | Rename-Item -NewName {$_.name -replace 'Chp','Kapitel_'}
¶ Konverterar docx filer till pdf med word, fast headless
param(
[string]$PdfOutputDir = 'C:\temp\'
)
Add-Type -AssemblyName System.Windows.Forms
$openFileDialog = New-Object System.Windows.Forms.OpenFileDialog
$openFileDialog.Multiselect = $true
$openFileDialog.Filter = "Word Documents (*.docx)|*.docx"
$result = $openFileDialog.ShowDialog()
if ($result -ne [System.Windows.Forms.DialogResult]::OK) {
Write-Host "No file selected."
exit
}
$DocInputs = $openFileDialog.FileNames
Add-type -AssemblyName Microsoft.Office.Interop.Word
function WordToPdf($wdApplication, [string]$wdSourceFile, [string]$wdExportFile) {
# ... [rest of your existing function parameters]
$wdExportFormat = [Microsoft.Office.Interop.Word.WdExportFormat]::wdExportFormatPDF
$wdOpenAfterExport = $false
$wdExportOptimizeFor = [Microsoft.Office.Interop.Word.WdExportOptimizeFor]::wdExportOptimizeForOnScreen
$wdExportRange = [Microsoft.Office.Interop.Word.WdExportRange]::wdExportAllDocument
$wdStartPage = 0
$wdEndPage = 0
$wdExportItem = [Microsoft.Office.Interop.Word.WdExportItem]::wdExportDocumentContent
$wdIncludeDocProps = $true
$wdKeepIRM = $true
$wdCreateBookmarks = [Microsoft.Office.Interop.Word.WdExportCreateBookmarks]::wdExportCreateHeadingBookmarks
$wdDocStructureTags = $true
$wdBitmapMissingFonts = $true
$wdUseISO19005_1 = $false
$wdDocument = $null;
try {
$wdDocument = $wdApplication.Documents.Open($wdSourceFile, $null, $true)
$wdDocument.ExportAsFixedFormat(
$wdExportFile,
$wdExportFormat,
$wdOpenAfterExport,
$wdExportOptimizeFor,
$wdExportRange,
$wdStartPage,
$wdEndPage,
$wdExportItem,
$wdIncludeDocProps,
$wdKeepIRM,
$wdCreateBookmarks,
$wdDocStructureTags,
$wdBitmapMissingFonts,
$wdUseISO19005_1
)
}
catch {
$wshShell = New-Object -ComObject WScript.Shell
$wshShell.Popup($_.Exception.ToString(), 0, "Error", 0)
$wshShell = $null
}
finally {
if ($wdDocument) {
$wdDocument.Close($doNotSaveChanges)
$wdDocument = $null
}
# Do not quit the Word application here
}
}
try {
$wdApplication = New-Object -ComObject "Word.Application"
$wdApplication.DisplayAlerts = [Microsoft.Office.Interop.Word.WdAlertLevel]::wdAlertsNone
foreach ($DocInput in $DocInputs) {
$FullInput = (Get-Item $DocInput).FullName
$PdfFileName = [System.IO.Path]::GetFileNameWithoutExtension($DocInput) + ".pdf"
$FullOutput = Join-Path -Path $PdfOutputDir -ChildPath $PdfFileName
Write-Host "Converting $FullInput to $FullOutput..."
WordToPdf $wdApplication $FullInput $FullOutput
}
}
finally {
if ($wdApplication) {
$wdApplication.DisplayAlerts = [Microsoft.Office.Interop.Word.WdAlertLevel]::wdAlertsAll
$wdApplication.Quit()
$wdApplication = $null
}
[GC]::Collect()
[GC]::WaitForPendingFinalizers()
}
¶ Testa om en viss port är öppen på en lista hostar
#This is a bash script to check ssh services on hosts
#You need a host file with each IP-address on a separate row
#The source file for the text is used as an argument, ie ./ssh-check.sh ip.txt
#Edit the nc row to alter the port you are testing for, in this case its ssh=22
#Results are output to screen and a text file in the same directory
#!/bin/bash
echo "=================================="
rm results.txt
while read p; do
nc -znv -w3 $p 22
if [ $? -ne 0 ]
then
echo "No connection" | tee -a results.txt
else
echo "OK" | tee -a results.txt
fi
done < $1
¶ Genererar QR koder från en lista
# This is a bash script to generate qrcodes by reading a text string
# from a file and adding a human readable text part below the qr code
# The source file for the text is used as an argument, ie ./qrcodes.sh hosts.txt
#!/bin/bash
echo "=================================="
while read p; do
if echo "$p" | grep '*\|\/'; then
echo "Illegal entry in hosts.txt file"
break
else
qrencode -s 5 -i $p -o $p-QR.png
convert $p-QR.png -pointsize 24 label:"$p" -gravity center -append $p.png
rm $p-QR.png
fi
done < $1
¶ Jämnar ut pdf för labbhäfte (jämna tal sidor)
Behöver:
- ./out/ (katalog för output)
- ./blank.pdf
- ./*.pdf som skall kollas
- ./script.sh
Sorterar orginalfilerna enligt labb-nummer, ha inga andra filer förutom blank.pdf i startkatalogen. Saknar just nu försättsbladet dock!
#!/bin/bash
i=0
while read pdf; do
pages=$(pdfinfo "$pdf" 2>&1 | grep -- ^Pages | tr -dc '[0-9]')
if [ $((pages%2)) != 0 ] && [ $((pages)) -gt 1 ]
then
printf "%s %d\n" "$pdf" "$pages"
((i=i+1))
is=$(printf "%02d" $i)
pdftk "$pdf" blank.pdf cat output out/lab"$is".pdf
else
if [ "$pdf" != './blank.pdf' ]
then
((i=i+1))
is=$(printf "%02d" $i)
cp "$pdf" out/lab"$is".pdf
fi
fi
done < <(find -name "*.pdf" -type f | sort -V)
pdftk out/lab*.pdf output out/hafte.pdf
¶ Formatterar studentlista från ctrl+C på canvas 'personer' sida
grep -E '[0-9]{12}' rawstudents | tr -d '\t' | rev | cut -f 3- -d' ' | sed 's/ /,/1' | rev > students
¶ För att skapa en mängd VLANS utan att sitta manuellt i Vcentret (obs PowerCLI är farligt!)
// 1. behövs för att köra vm-ware modulen i windows då den är "tredjepart"
Set-ExecutionPolicy remotesigned
// 2. -Scope begränsar installation till inloggad användare
install-module -Name VMware.PowerCLI -Scope CurrentUser
// 3. Kommer att fråga om dina credentials, använd samma som gui inloggningen
Connect-VIServer -server vcenter-b.cnap.hv.se
// 4. länk till object som är h6 hosten (till exempel)
$myVMHost = Get-VMHost -name esxi-h6.cnap.hv.se
!! VA RIKTIGT RIKTIGT SÄKER PÅ ATT DET ÄR HÄR DU VILL PILLA !!
// 5. länk till vswitch som skall pillas på
$vswitch = Get-VirtualSwitch -vmhost $myVMHost -name vSwitch1
// 6. Skapar VLAN med namn "VLAN20XX" och vlan id 20XX
for ($i=2004; $i -le 2038; $i++) {New-VirtualPortGroup -VirtualSwitch $vswitch -name "VLAN$i" -VLanId $i}
// 7. tar bort portgroups "VLAN2037-VLAN2038" på vswitchen som definieras i steg >>5<<
// OBS! -confirm:$false stänger av en "are you sure, dummy" fråga. Är du inte säker, ta bort detta ur raden! OBS!
for ($i=2037; $i -le 2038; $i++) {Get-VirtualPortGroup -VirtualSwitch $vswitch -name "VLAN$i" | Remove-VirtualPortGroup -confirm:$false}
// Bryt kopplingen till vcentret
Disconnect-VIServer
¶ Mass-radera VMs som matchar en sträng | Obs: anslut till rätt host också först (steg 1-4) ovan
$remove_vms = Read-Host -Prompt 'Input the server match string to remove from disk'
Write-Host "The entered string was: '$remove_vms'"
$select_confirm = Read-Host -Prompt 'Confirm your selection string (y/n)'
if($select_confirm -eq 'y') {
$VMs = Get-VM $remove_vms
foreach($VM in $VMs) {
Write-Host $VM
}
Write-Host "The listed VMs above will be permanently deleted from disk!"
Write-Host "Are you absolutely sure you want to do this?"
$nuclearoption = Read-Host -Prompt 'Type in "DELETE" to confirm this operation!'
if($nuclearoption -eq 'DELETE') {
Write-Host "Deleting..."
foreach($active in $VMs) {
if($active.Powerstate -eq "PoweredOn") {
Stop-VM -VM $active -Confirm:$false -RunAsync | Out-Null
Start-Sleep -Seconds 7
}
}
foreach($delete in $VMs) {
Remove-VM -VM $delete -DeleteFromDisk -Confirm:$false -RunAsync | Out-Null
}
}
}
¶ För att skicka notifieringar från linux cli till Android telefon
- Visit http://ifttt.com and sign up for an account.
- Click on your account icon (top right), and then click on Create.
- Click on the If+ icon and type “Webhooks” in the search box.
- Select Webhooks → Receive a Web Request and type “notify” for your event name.
- Next, click on the +That icon and type “Notifications” in the search box.
- Select “Send a notification from the IFTTT app.”
- Type the following text into the Message box:
- Notification: {{Value1}}
- Click 'Create action' and then give your action a name, e.g. “Push Notification.” Then click on Finish.
Testing the Notification
- Install the ifttt app on your android device
- Visit https://ifttt.com, and then:
- Click on your account icon (top right), and then click on My Services.
- Select Webhooks from the list, and then click on Documentation.
- A screen should be displayed showing your API URL as well as some fields to pass values via a POST request.
- Type “notify” (the name of our event) in the event box.
- Type “test” in the Value 1 box.
The resulting command at the bottom should look something like this:
curl -X POST -H "Content-Type: application/json" -d '{"value1":"Meddelande här!"}' https://maker.ifttt.com/trigger/notify/with/key/DIN_API_NYCKEL_HÄR
- Klicka på test it för att skicka ett test till telefonen (eller kör kommandot via din linux/curl)
Kort bash function för att skicka ett custom meddelande
cli-2-phone()
{
printf -v message '{"value1":"%s"}' "$*"
$1 && curl -X POST -H "Content-Type: application/json" -d "$message" https://maker.ifttt.com/trigger/notify/with/key/DIN_API_NYCKEL_HÄR > /dev/null 2>&1 ; return
$0 && echo "You need to specify a message!"; return
}
¶ Bind rensning av baklänges zonfil /var/named/data/db.zonfil
Tar bort alla rader mellan INT202_START och INT202_END raderna, för enkel rensning av zonfilen
sed -i.bak '/^;INT202_START/,/^;INT202_END/{//!d}' db.rev236
För nästa INT202 omgång, klistra bara in de nya grupperna mellan INT202_ raderna.
¶ Ny bild för GDA103 kurs omgång HTXX
term=HT25; convert canvas_cover.jpg -gravity South -font P052-Bold -pointsize 128 -fill black -annotate +5+40 "GDA103 - $term" -fill white -annotate +0+45 "GDA103 - $term" output.jpg
Utgå från bilden canvas_cover på Onedrive, kontrollera term= variabeln och kör sedan i maskin som har ImageMagick installerad