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  1. Cerulean

    Duplicating primary screen of iMac but extending on USB-to-HDMI adapters

    We have a 27" iMac with three additional outputs (1x Mini-DP, 2x USB-to-HDMI) all extended. We use this with ProPresenter 7. Is there any way to mirror the primary screen (the one built in to the iMac) to a third USB-to-HDMI device but continue extending on the three existing outputs?
  2. Cerulean

    Troubleshooting TFTP/PXE with WDS VM and pfSense VM router

    This post is a continuation of the WDS VM / MDT imaging series: Troubleshooting TFTP/PXE with WDS VM and Ubiquiti Dream Machine Troubleshooting TFTP/PXE with WDS VM and MoFi Network MOFI4500-4GXeLTE-V3 OpenWrt router Expectations of this thread: There is nothing to solve in this post as I...
  3. Cerulean

    Android app recommendations for fuel-up/fuel economy logging

    Looking for recommendations to an Android app for logging fuel-ups / calculating fuel economy based on fuel-up data.
  4. Cerulean

    Troubleshooting TFTP/PXE with WDS VM and MoFi Network MOFI4500-4GXeLTE-V3 OpenWrt router

    This posting is basically the same thing as Troubleshooting TFTP/PXE with WDS VM and Ubiquiti Dream Machine but using a MoFi Network MOFI4500-4GXeLTE-V3 OpenWrt router instead of a Ubiquiti Dream Machine. Same exact WDS VM, so nothing has changed on the VM itself and we know that WDS and Windows...
  5. Cerulean

    CPU fatigue: myth or real?

    As there is not a single article on the internet on this, I thought I would start a thread to see if others have been making similar observations. I have a Lenovo ThinkPad X220 with an i5 CPU. This laptop is at least 10 years old if not somewhere within the 15 year ballpark. When I first got...
  6. Cerulean

    Troubleshooting TFTP/PXE with WDS VM and Ubiquiti Dream Machine

    Howdy! I have a VM at named CON-MDT running Windows Deployment Services. If I execute the following command on CON-MDT, it succeeds: If I execute the same command on a different machine (such as my laptop or Intel NUC) it appears to do nothing for a while and then presents a...
  7. Cerulean

    How to scriptably uninstall patches for Windows 10?

    First: you can no longer use wusa.exe to uninstall patches silently since Windows 8/Server 2016, so this is out of the question. You. Just. Can't. Do. It! Thanks Microsoft (for ingeniously deciding that parameters /quiet and /kb:kb123456 are illegal to use together). Sometimes wusa.exe will be...
  8. Cerulean

    Lightest Live Linux OS that supports making Remote Desktop Protocol (RDP) connections?

    I am looking for a lightweight live Linux OS that would allow me to connect to a machine running Windows OS via RDP.
  9. Cerulean

    Difference between 4K 42" TVs vs 4K 42" Monitors?

    Howdy! What is the difference between 4K 42" TVs and 4K 42" computer monitors? Why would I want to choose a TV over a computer monitor, vice versa?
  10. Cerulean

    SATA controller that supports hot swap+plug

    Hello! A friend has an HP Z820 and is trying to get a SATA PCI-E controller to work. The problem we encounter is that after BIOS POSTs and the motherboard's LSI storage controller initializes, we get a black screen with a blinking underscore. Attached is a photo of the box of the PCI-E...
  11. Cerulean

    Scalable management of non-default SNMP for 10-100k devices?

    Howdy! I am on an adventure to disable SNMPv1 (unless required by vendor) and configure SNMPv2c/3 (only highest and most secure possible) on 100-300 clients or 20k-100k devices that are SNMP capable. This includes ensuring devices do not use default SNMP strings and credentials. Does anyone...
  12. Cerulean

    PCI-E SATA controller with hot swap support for 8x SATA drives?

    Hello! I am looking for a good PCI-E SATA controller that supports hot swap for up to 8x SATA drives. I need something for two of these 4x 2.5" 5.25" drive bays (
  13. Cerulean

    Need help with wireless antenna connectors and adapters

    We have a Netgear LG6100D that we use with Sprint and are looking to improve the 4G LTE signal with an outdoor roof mounted antenna. I'm trying to find information on the name of the connectors and need help. :( We are also needing what seems to be a male to male adapter to connect this to a...
  14. Cerulean

    WTB: Mac Mini for Pro Presenter and live streaming

    Hello! I am looking for a Mac Mini that would be suitable for use with Pro Presenter and live streaming. Budget is $500. Macbooks are welcomed too. If you want to offer something PM me with technical specs, condition, warranty if any, included accessories. Shipping is to Springfield, MO 65802.
  15. Cerulean

    Aerial cabling hardware and tools

    Howdy! This thread is about aerial cabling when underground cabling is for whatever reasons not possible. To boot this is an area of many firsts and much ignorance for me. Here is a scenario: you have an office building and an almost-all metal 3-4 story garage with CCTV cameras, and the DVR is...
  16. Cerulean

    FS: Blackmagic Design ATEM Production Studio 4K

    Information: I accept non-CC PayPal ( and Western Union (must confirm successful withdrawal first) My HeatWare ID is BlueToast Shipments will be coming from ZIP code 65807 / city of Springfield, MO with the choices of FedEx, UPS, and USPS Shipping budget is about $20 - unused...
  17. Cerulean

    Has anyone ever used the $100,000 guarantee on surge protectors?

    Greetings all! I have a $400 piece of equipment that is out of warranty and has apparently been fried by a recent storm of lightning (surges). It was connected to an APC surge suppressor power strip. Has anyone ever used the $10xxxxx guarantee that are advertised on surge suppressors?? How did...
  18. Cerulean

    Seeking rack suggestions for church audiovisual systems - 30" absolute max clearance

    Greetings! I am looking for rack suggestions for several appliances (some 1U and some 2U) for mostly visual systems (distributor, switcher, power, and more). The absolute maximum clearance we have is 30". It would be a big plus if we can rackmount appliances facing both front and back to fit...
  19. Cerulean

    Does anyone have any experience around a Gigabyte Brix Pro GB-BNi7QG4-950 ? I've posted on Gigabyte forums and inquired technical support; waiting for responses. I thought I might post here too in the off chance someone has bought one of these Brix units. I'm looking into this as a potential buy for a...
  20. Cerulean

    Looking for GPU that can drive 4x 4K monitors

    Greetings! I am looking for an NVIDIA GPU that can drive up to four (4x) 4K monitors. The machine it is going into is for a power user (the rarer form of "power user"). While the client does not play computer games, they do use their machine for NetFlix/movies/YouTube and take advantage of the...
  21. Cerulean

    FS: Gigabyte Brix

    Information: I accept non-CC PayPal ( and Western Union (must confirm successful withdrawal first) My HeatWare ID is BlueToast Shipments will be coming from ZIP code 65807 / city of Springfield, MO with the choices of FedEx, UPS, and USPS The number of years of [H] membership = %...
  22. Cerulean

    Adapter for cloning HDD to M.2 ??

    Greetings! I'm a huge fan of Apricorn's ASW-USB3-25 (SATA to USB3) and AMSW-USB3 (mSATA to USB3) products that use a custom-branded version of HD Clone Pro called EZ Gig IV. It works great, simply, and easily! Now, I am looking for a rock solid reliable USB 3.x tool for M.2 SSDs (multi-key?)...
  23. Cerulean

    WDS Windows 7 setup not obeying unattended.xml

    Objectives: To have the entire Windows 7 Professional (64-bit) installation automated and zero-touch (except for the entering in of the license key and hostname The only tasks of a technician is to PXE boot the machine and enter in a hostname and license key We absolutely want to avoid setting...
  24. Cerulean

    CAT5e/6 shielded cable crimping

    My brother has brought to my attention that many YouTube videos and websites he finds on how to crimp for a shielded CAT5e/6 cable, including the shielded cable that was crimped at his house by the ISP, show that the sleeve is not inserted into the RJ-45 plug. Example...
  25. Cerulean

    Wi-Fi stopped working properly in my 5-year old DD-WRT Netgear N600 WNDR3700v2

    I live in an apartment on the top-most floor (3rd), and the Wi-Fi on my Netgear N600 WNDR3700v2 is no longer working properly anymore (both 2.4 GHz and 5 GHz), but is still able to perform all other functions. I don't really want to spend money, but if I must the budget is $135 (about how much I...
  26. Cerulean

    GPO Preferences Shortcuts: Remove this item when it is no longer applied = 0x80070002

    Greetings! The problem: GPO-pushed "%UserProfile%\Desktop" shortcut disappears when executed, Event Viewer indicates a 0x80070002 error. Program does launch. This problem prevents the user from launching the program again, or in some cases we have received reports that the shortcut disappears...
  27. Cerulean

    Why would calling a program twice in the Target field fix problems?

    There is this older in-house developed program some users use which generates random file path errors from time to time. If they set the program to run in Windows XP SP3 compatibility, the errors are no more. Evidently, we've also found that if we have a shortcut that has "X:\executable.exe...
  28. Cerulean

    Recommendation for network cabling mounting/equipment for attic, i-beam, and cinder wall

    I 'splain and show my need here: Running a cable up into an attic from first floor server room. I want to run the cable along the i-beam and mount the Open-Mesh WAP to a cinder wall. Looking for recommendations to websites/vendors that cater to network cabling equipment, mountings, etcetera...
  29. Cerulean

    Terminal server/RDS: Adobe Reader and MSO Protected Mode "out of memory/access denied" messages

    Greetings, I have seen this at multiple workplaces. It goes like this: 1) Adobe Reader and Microsoft Office are included on dedicated VDIs and terminal servers/RDS 2) Everything works fine, users are able to open documents without any problems from local server drives as well as mapped...
  30. Cerulean

    Windows 10 full factory reset - do I have to do Windows Updates all over again?

    If a full factory reset with full drive cleaning option selected is performed, does one have to do Windows 10 updates all over again or does Windows reload itself using whatever has already been installed via Windows Updates?
  31. Cerulean

    Does Microsoft Surface Data Eraser Utility wipe the OS too?

    Scenario: * Surface Pro tablets used in a financial institution will be decommissioned and raffled off to employees * Secure wiping is required while retaining the OS Route A: * Do full reset + full drive cleaning option via OS, then use CCleaner to wipe free space, and perform another full...
  32. Cerulean

    WTB: iPad

    Needing something to give to grandma to help her keep up with family via Facebook/e-mail. Wi-Fi only. Does not need to have more than 16 GB of space but it's ok if it has more space. Our budget is 200 USD
  33. Cerulean

    Ubiquiti for guest network in business environment

    Greetings! This is a learning opportunity for me. At the present time the client has a Netgear AC1900 DD-WRT router with an HP server running DHCP, DNS, AD/DC, file server, print server, Quickbooks server functions. All the workstations connect via 5GHz Wi-Fi. Owner has agreed to grant access...
  34. Cerulean

    Benefits of Matrox cards vs NVIDIA/AMD for big multi-monitor infocenters?

    Greetings! Does anyone with experience using Matrox have anything to say about using multiple NVIDIA/AMD GPUs instead of Matrox? What benefit do you get with Matrox cards? Is it more stable and reliable? Why use Matrox?
  35. Cerulean

    Seeking solution for big multi-monitor infocenter setup

    Greetings! We have a 3x3 multi-monitor setup that is driven by a single machine with multiple GPUs. When one monitor is powered off, it causes Windows to reinitialize and screws up the arrangement of applications that were already fullscreened. Is there a device out there that retains EDID...
  36. Cerulean

    What version of SSH / OpenSSH is the latest version of ESXi 6 running?

    I am also needing the version number of SSH / OpenSSH in the latest HPE image of ESXi. Nevermind. I wasn't able to run the HPE image as a VM (need real HP hardware), and in vanilla ESXI 6 VMware removed the -v version parameter from SSH. They should get a slap on the wrist. My purpose here on...
  37. Cerulean

    Batch scripting: run at logon without explorer.exe starting / dedicated runtime

    Greetings! I know how to get a batch script to run at logon, but what I'm trying to figure out is how massive scripts like ComboFix startup after a reboot without explorer.exe or other programs running. If I did it by hand, it would probably be going to msconfig --> Diagnostic startup -->...
  38. Cerulean

    Buying Windows 10 licenses from Microsoft's website

    Greetings! An automotive shop has requested my assistance to upgrade their computers. They bought a handful of Dell OptiPlex 755 from some guy on Craigslist that came preloaded with MSO and Windows 10. In short: undoubtedly pirated. I've informed the owner and he's in agreement, so I am working...
  39. Cerulean

    Possible to do dual boot to installed OS + have options for ISO boot?

    Greetings! Is it possible to setup a dual boot with an installed Ubuntu and installed Windows and have options to boot from ISOs that are stored on the harddisk? Something like this would make a great setup for a diagnostics machine
  40. Cerulean

    Recommendation for WiFi directional WAP?

    Scenario: User has a big but long property and wants to be able to use his home WiFi 60 meters away from the house (think 'end of driveway'). I'm looking for a product that supports 2.4GHz WiFi and can be wired into the network, not some cheap WiFi extender that connects to a wireless network...