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Aide-Mémoire#

General#

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# Write to Screen
Write-Output "The condition was true"

# Get Power Shell Version
Get-Host | Select-Object Version

# Get Network Profile
Get-NetConnectionProfile

# List environment variables
dir env:

# Set an Env Var
$env:VAR = 'foo'

# View an Env Var
$env:VAR

# Add entry to PATH
$env:Path += ";SomeRandomPath"

# Search for a file
Get-ChildItem ./ -Recurse -Include EditBin.exe

# See fullpath of a search file
$editBinFile=(Get-ChildItem ./ -Recurse -Include EditBin.exe).fullname


# Execute a variable
& $cmd

# Delete entire directory
Remove-Item -Recurse -Force some_dir

# Gets all commands that are installed on the computer,
Get-Command
gcm

# Get location of a specic commands installed on the computer,
Get-Command <cmd name>

# Unzip Files
Expand-Archive -LiteralPath $ZIP_LOCAL -DestinationPath $APP_LOCAL

#  Change Execution Policy
Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
About Execution Policy

String manipulation#

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# Contatenation
$VERSION_ID= $GIT_MAJOR + '.' + $GIT_MINOR + '.' + $GIT_PATCH

# Select a String (like Grep)
Select-String "What I Look for"

# Select a line in a list
$cmd=(Get-ChildItem ./ -Recurse -Include EditBin.exe).fullname | Select-String -Pattern 'Hostx86\\x86' -CaseSensitive

# Replace a string
($GIT_DESCRIBE).replace('-','.').replace('v','')

# Split a String
($GIT_DESCRIBE).split('.')

# Select an element of the split
($GIT_DESCRIBE).split('.')[2]

Netwoking#

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# Get Network Profile
Get-NetConnectionProfile

# Set network connection type to private
Set-NetConnectionProfile -NetworkCategory Private

# Getting http(s) files
wget https://aka.ms/vs/16/release/vs_buildtools.exe -OutFile c:\temp\vs_buildtools.exe

Disk & Volume#

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# Get Disk
Get-Disk

# Get List of Partitiona
Get-Partition

# Get List of Volime
Get-Volume

# Get number of a not partionned disk
$diskNumber = (Get-Disk | ? { ($_."PartitionStyle" -eq "RAW") }).Number

# Initialize a Disk
Initialize-Disk -Number $diskNumber -PartitionStyle "MBR"

# Create a New Partion
New-Partition -DiskNumber $diskNumber -UseMaximumSize -IsActive -AssignDriveLetter

# Format a Disk
Format-Volume -DriveLetter $part.DriveLetter -Confirm:$FALSE

Users & Groups#

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# Get List of local User
Get-LocalUser

# Get List of Local Groups
Get-LocalGroup

# Add User to a Group
Add-LocalGroupMember -Group "Remote Desktop Users" -Member "RDPUserAuto"
Add-LocalGroupMember -Group "Utilisateurs du Bureau à distance" -Member "RDPUserAuto"

# List of Member in a group
Get-LocalGroupMember -Group "Utilisateurs du Bureau à distance"
Get-LocalGroupMember -Group "Administrateurs"

Exchange Online#

Exchange Online PowerShell V2 module

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# Connect to Exchange Online
Connect-ExchangeOnline -UserPrincipalName <admin email>

# Get Mailboxes config
Get-EXOMailbox