System Administration

Home / System Administration

How To Disable NetBIOS on MacOS OS X

Even though my network has NetBIOS disabled in my Windows environment, including on the Windows DHCP server, the Mac OS X computers on the network still want to send NetBIOS requests. While monitoring network traffic using tools like Responder in Kali Linux or Wireshark, you can see the NetBIOS requests being sent. In my case, [...]

By | February 16th, 2017|Categories: Mac, Security, System Administration|Tags: , , , , , , |1 Comment

Windows 10 Creators Update – How to Hide the All Apps Column in the Start Menu

The Windows 10 Start Menu has brought some mixed feelings among users. In my opinion, I'm glad they got rid of the full screen menu like they had in Windows 8 and Windows 8.1. The good news is that in the upcoming Windows 10 Creators Update, you'll have a little more control over your Start [...]

By | February 16th, 2017|Categories: Tech Tips, Windows|Tags: , , , , |0 Comments

Windows 10 Creators Update – Automatically Free Up Disk Space with Storage Sense

Windows 10 Creators Update is introducing a new feature that could replace disk cleanup utilities like my favorite CCleaner. In all modern versions of Windows, Microsoft has included a Disk Cleanup Utility, and the only way to automate cleanup was to use Task Scheduler to create scheduled tasks. While it worked well once you configured [...]

By | February 15th, 2017|Categories: Tech Tips, Windows|Tags: , , , , |0 Comments

Windows 10 Creators Update – Re-Enable Command Prompt Instead Of Powershell

If you’re recently upgraded to Windows 10 Creators Update and you’ve used the Command Prompt shortcuts when you right-click on the Start Menu, you might be surprised to see that Command Prompt has been replaced by Windows PowerShell (resembling the left screenshot above). While Powershell has its place, I tend to use Command Prompt more [...]

By | February 14th, 2017|Categories: Tech Tips, Windows|Tags: , , , , , |0 Comments

How To Fix Cisco ASDM Font Size Too Small Or Overlap

You manage a Cisco ASA Firewall or any other Cisco appliance that is managed using the Cisco ASDM launcher, you might run into an issue were your font sizes are too small or the fonts overlap making it difficult to read and navigate. This is especially true on newer hardware with high DPI settings like [...]

By | February 9th, 2017|Categories: Cisco, System Administration|Tags: , , , , , , , |0 Comments

How To Update Site Certificate For ADFS Windows Server 2012

If you run a Microsoft ADFS Server on Windows Server 2012, there will probably be a time when you'll need to update your site certificate on the server. In my case, I use a wildcard certificate for my domain, for example *.tecklyfe.com so that all subdomains can use the same certificate. When you update the [...]

By | February 8th, 2017|Categories: System Administration, Windows|Tags: , , , , , , , |0 Comments

How To Fix Failed to open the runspace pool. The Server manager WinRM plug-in might be corrupted or missing

I recently ran into the error message "Failed to open the runspace pool. The Server manager WinRM plug-in might be corrupted or missing." shortly after deploying a new Windows 2012 server. I was trying to add new features through the Server Manager wizard, and on the deployment scree, I would get this error. Luckily, the [...]

By | January 23rd, 2017|Categories: System Administration, Windows|Tags: , , , , |0 Comments

How To Fix MySQL Table mysql.plugin Doesn’t Exist

I recently had an issue on a MySQL Database Server where running apt-get upgrade to upgrade the MySQL package on the server would result in an error about the table 'mysql.plugin' doesn't exist. I believe the issue started on this server after I changed the datadir in my.cnf and I moved the database directory to [...]

By | January 20th, 2017|Categories: System Administration|Tags: , , , , , , , , |0 Comments

How To Harden MongoDB Server

MongoDB is "a document database that provides high performance, high availability, and easy scalability". In this chapter of our InfoSec System Hardening series, we'll walk you through some of the steps you can take to harden your MongoDB database server. You can refer to the MongoDB Server Documentation for more details about the commands and [...]

By | January 17th, 2017|Categories: Security, Server Hardening, System Administration|Tags: , , , , , |0 Comments

How To Harden An NGINX Web Server

The next segment in our InfoSec System Hardening series is how to harden an NGINX Web Server. NGINX is an alternative to the popular Apache Web Server on Linux. In this article, we'll show you some of the basics you'll want to take to secure your NGINX Web Server. To get started, you can follow [...]

By | January 16th, 2017|Categories: Security, Server Hardening, System Administration|Tags: , , , , , |0 Comments
Load More Posts