PowerShell: check whether the current user is a member of Domain Admins
# short snippet to check whether the currently login user is a domain admin$CurrentUser =…
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Office 365 Active Directory Hybrid Accounts Administration
Intro This scenario assumes that Azure AD Sync has been used to synchronize on premise…
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PowerShell: Script to Stop, Start, Disable, and Enable Exchange Server
<#This script contains a set of functions to administer Exchange 2010, 2013, 2016, and 3000.…
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PowerShell: Add Office365 Records on DNS Servers
Make Changes to Internal DNS A. Delete Old CNAMES and MX Records Sample commands from…
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Linux: Reclaim Disk Space by Performing System Cleanups
All systems: Check disk space usage # check /var directorydu -a /var | sort -nr…
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PowerShell: Raise Domain Forest Functional Level
# Raise Forest Functional Level$forest=Get-ADForest# 2012R2 LevelSet-ADForestMode -Identity $forest -Server $forest.SchemaMaster -ForestMode Windows2012R2Forest -Force# 2016…
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PowerShell: Demote Domain Controllers
$computername=$env:computername $localAdminPassword='PASSWORD' function demoteDc($computername=$env:computername,$localAdminPassword){ $erroractionpreference=stop $encryptedPass=convertto-securestring $localAdminPassword -asplaintext -force Import-Module ActiveDirectory $thisComputer=$env:computername $fsmoRoles=Get-ADDomainController -Filter *|Select-Object…
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PowerShell: Microsoft Exchange Active Directory Integration
Assuming that Exchange is already set and in production, it's often advisable to record its…
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Docker: Update Startup Policy for Running Containers
# Update only 1 container by name (instead of ID)docker update --restart=always kimconnect # View…
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PowerShell: DHCP Server Scope Options Editing
Occasionally, internal DNS server changes as machines are refreshed and/or decommissioned. DHCP servers should also…
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PowerShell: Install TightVNC on Windows via CLI
Install VNC Server on the Remote Windows: # Access Remote Server via WinRM$SHERVERNAME = "SHERVER007"$winRMHttp=5985$winRMHttps=5986#…
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Repair Windows Server 2016 Error 0x800f081f
Run this function in PowerShell as Administrator: function resetWindowsUpdate{ # Source: https://learn.microsoft.com/en-us/troubleshoot/windows-client/installing-updates-features-roles/additional-resources-for-windows-update write-host 'Resetting Windows…
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PowerShell: Set DNS Servers on Localhost
Display the current DNS Server Entries PS C:\Users\KimConnect> Get-DnsClientServerAddressInterfaceAlias Interface Address ServerAddressesIndex Family-------------- --------- -------…
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Windows 2016 Cumulative Roll-up Install
Use this method to apply cumulative roll-ups that would not successfully apply via Automatic Updates:…
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PowerShell: DHCP Server Migration
Nowadays, being lazy is good. Why waste energy with clicking buttons when there are a…
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PowerShell: Resolve “CredSSP encryption oracle remediation” Error on Windows 2016
Error message: An authentication error has occurred. The function requested is not supported. Remote computer:…
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PowerShell: Enabling and Disabling Network Level Authentication (NLA)
NLA is Microsoft's answer to mitigate some DDoS attacks via remote desktop (RDP). It uses…
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PowerShell: 1-Liner to Discover SQL Servers on the Network
Run this command on server with SQL CLI installed (this will only detect SQL servers…
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AWS-CLI: Detach A Volume
Check Volume's Status PS C:\Windows> aws ec2 describe-volumes --region us-west-1 --volume-ids vol-0a0f16ef5a9d69a29{ "Volumes": [ {…
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Install AWS Command Line Interface on Windoze
Obtain AWS Access Key: Log into AWS > click on your User Name > My…
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