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This is the first page in the first book on the first shelf in this new public wiki. Hello World.

ISSUE: Raspberry Pi does not display video output when connecting HDMI monitor after startup. Keyboard and mouse input do not wake up display and rebooting outputs video. Raspberry Pi is responsive to ping/ssh and other services. RESOLUTION: This functionalit...

Install and update 64-bit OS. Set a static IP. From the terminal enter nano /etc/dhcpcd.conf and uncomment the lines under Example static IP configuration. Reboot to apply and test. Install rng-tools with sudo apt install rng-tools. The config in /etc/defa...

Task: Migrate UniFi Site from one controller to an instance running on another device. This not only migrates settings, but manage setting the inform URL on all devices on the network without manually updating it. This guide covers version 6.1.71 of the UniFi ...

I support a complex Microsoft Configuration Manager instance professionally. I decided a long time ago that in order to keep my skills current and learn new things, I needed my own Microsoft Configuration Manager playground. I have investigated a few of the me...

In total when I am building the lab environment I start with seven Windows VMs with a mix of sever and client operating systems. While it doesn't take much time to create a VM and make the necessary changes, there is no reason not to automate it if you can, es...

Once VMs are built and the OS is installed, there are some common things that need to be done all of them - renaming the system, setting a static, IP, correcting the time zone, etc. This is again a great task for some PowerShell. # References - # https://ww...

Pretty much every organization I've worked with has leveraged an Active Directory Domain in some at least some capacity. Active Directory (AD) is a centralized database for managing users and computers in a company's network. Both of these can be added to grou...

Extend AD Schema Now that the domain is functional, since this setup will leverage Microsoft Configuration Manager, there is some additional set up that needs to be done to prepare for installation. First, I want to extend the AD Schema which will add additio...

Virtual Machines: VM Name CPU RAM Disk OS NIC IP DC1 2 4096 500 GB Server2022 External 172.17.3.50 CAS 8 16384 2 TB Server2022 External 172.17....

The installation of Microsoft Configuration Manager requires may different roles and components to be installed prior to getting a functional MCM install up and running. Most of these are straight forward but making sure they are all installed is critical in e...

Now that the site is up and running, it is time to apply the latest Configuration Manager updates. If you enabled the Service Connection Point as part of the installation any new updates should already be available. By default, this role will periodically chec...

Now that all of the preparation is complete, it is finally time to install the actual Microsoft Configuration Manager Site. While the setup of the Central Administration Site and the Child Primary Sites are very similar, there is enough key differences where I...

Once the CAS installation is complete, you are ready to install any child primary sites. As these will be site servers and can actually support clients, there are additional roles that will need to be installed. Since the CAS doesn't directly service clients a...

I frequently run into a mix of antivirus products in various organizations and was looking into a good way to report on which was installed/active. Unfortunately looking at a list of processes or installed applications is not accurate enough. The Windows Secur...

Back up VMs Back up UniFi Back up Synology Config Validate documentation on ports, vlans, and teams (including patch panel and PDU) Assemble Rack Install shelves, UPS rails, install server rails. Power down equipment. Remove equipment from old rack an...

After years of use out of an Ikea Rast rack, two side tables braced together with rails added, I am finally moving to an actual server rack to house my lab environment/production network. The rack is a 22U Startech knockdown rack. 22U 36in Knock-Down Server Ra...

Sensitive Information Types or SITs are pre-defined or custom patterns used to classify and identify important information that needs to be protected. Which classifiers are used are dependent on industry and necessary compliance and/or regulatory needs. Every ...

SSL or Secure Socket Layer is an older implementation of encryption between two hosts. Even the newer versions have vulnerabilities and are considered insecure. This has been almost universally by Transport Layer Security (TLS) which is more secure and faster.

If a new UniFi Dream Machine is not seeing an internet connection, here a few things that can be tried aside from troubleshooting with the ISP to clear ARP cache or make sure they don't need to allow the device past the walled garden. Both involve connecting t...