Enterprise Operating Systems

Troubleshooting and Guides for: Microsoft Server, Linux, and VMware

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Dell Hardware/Software Guides

Dell Servers – PowerEdge, Blades, and Cloud
integrated Dell Remote Access Controller (iDrac)
OpenMange Server Administrator (OMSA)

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Scripting Guides

PowerShell, Bash, JSON, and Python Scripting Guides

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How to Configure Exchange Server 2016 for SMTP Application Relay

crtechtipsJun 16, 20239 min read

In most organizations there are several devices or applications that need to use an SMTP service to send email messages. An Exchange 2016 server can provide that service for you, however the …

Cloning Azure VMs

crtechtipsMar 9, 20232 min read

Cloning an Azure virtual machine is something I thought it was directly integrated (as in, one click/command and that’s it, but no, it involves several steps. However, it is not …

Converting PFX File to PEM file using OpenSSL in Windows 10

crtechtipsFeb 21, 20231 min read

Converting PFX File to .Pem file using OpenSSL in Windows 10 . Windows 10 – Version 1607 or Above – Some Application never allow .pfx file to import directly. Running …

Adding DNS Servers in All DHCP Scopes using PowerShell

crtechtipsFeb 21, 20231 min read

To Get all Scopes – Open PowerShell – Run as Administrator Get-DhcpServerv4Scope To Check DNS Servers Option 006 Get-DhcpServerv4Scope| Get-DhcpServerv4OptionValue| Where-Object{$_.OptionID -like6} | FT Value To Check – Whatif Get-DhcpServerv4Scope| …

Connecting Azure Express Route with Multiple Virtual Networks

crtechtipsFeb 21, 20232 min read

Unlike a traditional hub and spoke when you have site to site VPN with azure with multiple virtual networks. Azure Express route gives you an additional option to create up-to …