SYSTEMS ADMIN BLOG

PowerShell Comparison Operators: Collections, $null and the Left-Hand Operand

Deleting Dangerous or Objectionable Content from Exchange Mailboxes

How to Fix “You do not have the Manage Auditing user rights” Error in Robocopy

How to find your logon server/ Domain Controller you are authenticated to

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NETWORK ADMIN BLOG

Nmap Port Scanning: Building a Baseline and Detecting Changes

How to Configure Port Security on Cisco Switches

How to Troubleshoot Intermittent Packet Loss

Cisco Expressway C and E for MRA: Installation, Configuration and Troubleshooting

MICROSOFT 365 & AZURE BLOG

ExpressRoute Didn’t Make It Faster, and That’s Fine

How to Safely Clear the SharePoint Preservation Hold Library to Reclaim Storage Space

Break-Glass Accounts in Microsoft Entra ID: How to Set Them Up Properly

Microsoft Entra Connect Sync (Azure AD Connect): Version Requirements, Health Checks and Optimisation

Set-CalendarProcessing in Exchange Online: Managing Room Mailboxes with PowerShell

How to Securely Connect On-Prem Infrastructure to Azure and AWS

SECURITY ADMIN BLOG

Building an SSH Bastion Host: Configuration, ProxyJump and Testing

Hikvision Camera Default Password and IP Address

IT MANAGEMENT BLOG