November 6, 2019

Network Speed and Throughput Issues – Some Things to Look For

I wrote a post about using iperf, a tool to test network speed and throughput. I just want to quickly go over some things that could […]
November 1, 2019

Using iperf3 to Help Troubleshoot Speed and Throughput Issues

There are many cool options you can use with iperf but I think it’s important to use multiple simultaneous streams. I’ve seen people use this tool […]
July 5, 2019

Microsoft Windows Net Use Command

Sometimes people forget that you don’t need to use a drive letter when using the “net use” command. Also it’s good to use the command below […]
July 1, 2019

CTRL+ALT+DEL in a RDP Session

If for some reason you need a user that’s RDP’ed into a Server or Workstation to do a CTRL+ALT+DEL, here are two ways to accomplish that.
June 17, 2019

Best practices and advanced features for VMware High Availability

Each new version of VirtualCenter Server provides new features that you can configure to change how VMware HA functions. You can configure the features using the […]
June 17, 2019

Link Aggregation for VMWare ESXi and ESX

Requirements:
May 23, 2019

AD Replication Internally vs Site-to-Site

I’m focusing more on DNS updates. Below is how long a DNS record will update (new record or updated record). Some people think it’s instant but […]
May 21, 2019

Windows NIC Teaming Basics

I’m writing this post because you’ll walk into environments and the NIC Teaming is not setup correctly.
May 19, 2019

XenServer Active/Active Load Balancing

Below is something I wrong to try and explain how the active/active XenServer load balancing works.
May 19, 2019

Cisco and HP Terminology Differences

I’ve been working with HP Enclosures and Cisco devices a long time now and these always get confusing when trying to explain it to people. I […]
May 15, 2019

DNS Basics

Let’s talk about a topic that some people just don’t get, DNS. I’ll try to make is super simple to understand.
February 26, 2019

Microsoft Windows Server 2016 with Multiple IPs Assigned to a Single Interface

First, I try to avoid this whenever possible. I don’t like the idea of having multiple IP’s on one NIC interface. But there are environments that […]
February 3, 2019

Windows Powershell giving “is not digitally signed” error

I was getting this error: File C:\Scripts\XXXXXX.ps1 cannot be loaded. The file C:\Scripts\XXXXXX.ps1 is not digitally signed. You cannot run this script on the current system. […]
January 25, 2019

Windows Display Protocol and Ethernet Statistics

There are 4 commands that are useful: netstat -s netstat -e netsh interface ipv4 show ipstats netsh interface ipv4 show tcpstats   Protocol Statistics with “netstat […]
January 17, 2019

Finding your Public IP Address without a browser

There are times you need to find what your public IP Address especially when doing firewall work. There are environments where a browser is not accessible […]