Citrix Netscaler: Configuring HTTPS load balancing

I finally got a chance to set up and configure a Citrix Netscaler appliance to load balance two websites.  In this setup the Netscaler will load balance two SSL (HTTPS) web servers with end-to-end encryption. I did run into some … Continue re...

Posted in Citrix | Tagged , , , , | 1 Comment

Locate a Certificate Authority in your Active Directory environment

Here is a quick command how to find a Certificate Authority in Active Directory.  This is helpful if you have many domain controllers and are not sure where the Certificate Services role is installed on. Windows Server 2008 R2 / … Continue re...

Posted in Microsoft | Tagged , | Leave a comment

Understanding Historical “CPU Ready” statistics in VMware vCenter server

One of the most confusing performance metrics in vCenter server is the CPU “Ready” metric. Part of the reason is that this metrics shows up as a “Summation in milliseconds”.  In additional to that the threshold changes depend...

Posted in VMware | Tagged , , , , , | Leave a comment

Migrating Windows Server 2012 R2 FSMO roles to another DC

Here are quick steps how to transfer FSMO roles from one domain controller to another, In this case I AM moving the roles  from one Windows Server 2012 R2 domain controller to another 2012 R2.  I have had to do … Continue reading →...

Posted in Microsoft | Tagged , , , | 1 Comment

How to kill a windows service which is stuck in a “Stopping” state

I recently ran into an issue where a service got stuck in the “Stopping” state.  When I tried to stop it through the command line I received the following error.  I had to kill it before I could start it … Continue reading →...

Posted in Microsoft | Tagged , , , , | Leave a comment

Disable a windows service from the command line

A quick command that I have used in a script to change the status of a service in Windows. C:\> sc config “Spooler” start= disabled [SC] ChangeServiceConfig SUCCESS The start options are start= <boot|system|auto|demand|disabled|dela...

Posted in Microsoft | Tagged , , , | Leave a comment

Boot Windows Server 2012 on ESXi 4.1

I needed to create a Windows Server 2012 R2 on one of our older ESXi hosts and quickly found out that ESXi 4.1 does not support Server 2012 as a guest OS.  The newest guestOS supported is Windows 2008 R2. … Continue reading →...

Posted in VMware | Tagged , , , | Leave a comment

Import a certificate to “Trusted Root Certification Authorities” using command prompt

Issue I recently ran into an issue where mmc.exe was crashing when adding the certificates snap-in and I was not able to import a rootCA certificate into the “Trusted root Certificate Authorities”.  I received the following error when ad...

Posted in Microsoft | Tagged , , , , , , | 1 Comment

Debug powershell with write-host

A very basic command to output what’s stored in a variable to the command prompt in a powershell script.  This is part of a script to set IOPs on a VM located on a tintri storage array.  The script was … Continue reading →...

Posted in Windows | Tagged , | Leave a comment

How to tar and untar files and folders in Linux

Here is a quick cheat sheet how to compress and extract files/folders in CentOs Linux.  If you are extracting to a specific folder you have to create the folder ahead of time with mkdir /tmp/data/ or the command will not … Continue reading &r...

Posted in Linux | Tagged , , , | Leave a comment