PowerShell Module for Speculative Execution Detection

PowerShell Module for Detecting Vulnerabilities to Speculative Execution

Microsoft today (Jan. 4th, 2018) provided a PowerShell module to detect  vulnerabilities related to Speculative Execution side-channel attacks.  This vulnerability affects  Intel, AMD and ARM processors, along with operating systems.  You can review the Microsoft security advisory ADV18002 here.

This will install the module to your local machine

Install-Module SpeculationControl

*if you are having issues with install the module via the command above you can find the module on my github here.Continue reading

PowerShell to gather Lenovo Warranty information

Lenovo Warranty Information Lookup

To continue with the theme of my last post, I’m going to show how to gather the warranty information for Lenovo Servers.  This was a bit tricky as this isn’t an API call, but more of a website parsing.

Getting the Lenovo Server information

To be able to perform this warranty lookup, the server information will need to be retrieved, and what a better way than getting it from the VMhosts themselves.… Continue reading

PowerShell to gather HP Warranty information

Using PowerShell to get HP warranty information

Have you ever need to find the warranty information for your environment’s workstations, and didn’t want to spend hours to get the answers.  That is where PowerShell and HP warranty API will come in handy.

Sign up for an HP Developer’s account

Before you can begin you will need to sign up for an account on HP’s website, https://developers.hp.com/. … Continue reading

PowerShell to Configure iSCSI and MPIO

At work we have started to make a push to get as many servers off of RDM (Raw Device Mapping) drives in the virtual environment as we can. We use the RDM drives with MSCS (Microsoft Server Cluster Service) with SQL, but we do have a few application failover cluster as well. With this change we have an influx of iSCSI (Internet Small Computer Systems Interface) drive configurations along with  MPIO (Multipath I/O) configured.  … Continue reading

Loading Modules from Remote Server with PowerShell

Have you ever found yourself trying to run a command, and found out that you need to have modules loaded that are only installed on a remote server. I know I have many times, and trying to found the right module to download at times is nearly impossible.

So starting with PowerShell version 3.0, there is a now way to import a module from a remote machine.  … Continue reading

Issues with PowerShell Modules and Duplicate Cmdlets

At the end of the day I always take my laptop with me as I never know when I’ll get a call about server issues.  So my PowerShell sessions remain open all of the time, with all of the modules loaded.  Granted I do save my scripts that I work on frequently, and I had a problem before losing a few scripts without having a recent save.  … Continue reading

Using PowerShell to work with SSL Certificates

At my office we have a certificate renewal process that happens every other year.  This year, we have a plan to document the location of all of the certificates that are installed on the servers to help the next time the renewal happens.  So I have worked out a quick and simply one liner that will get all of the certificates installed on the server in the LOCALMACHINE\My certificate store.… Continue reading

Installing PowerShell on Linux Ubuntu

Now that Microsoft has made PowerShell open source it can be installed on Mac OS X and Linux.  In this article I’ll discuss the steps on installing it on Linux Ubuntu.

PowerShell on Linux
PowerShell on Linux

Step 1 – Download the package

As  seen in the image above, I have the newest distro of Ubuntu.  The first step into getting PowerShell installed is downloading the package from Github as it hasn’t been added to any of the repositories yet.… Continue reading

Find Registry Keys on Remote Servers

I was tasked with writing a script to find a single registry key on all of the server for a domain that my team manages. So after getting the key that we need to know the value of, I put a script together. The script will first check to see if the server is online, and if it is then the scripts looks at the registry to find the key and records the value.  … Continue reading

Revisiting the PowerShell Profile

I’ve posted about the PowerShell profile before but I didn’t really go in depth on it, so I wanted to revisit the subject to make sure that I address some of the points that I may have missed.

To find your PowerShell profile location, you can use PowerShell to list it.

Get-ChildItem $profile

This will bring back the directory %UserProfile%\Documents\WindowsPowerShell.  … Continue reading