Ethernet cable clarification

Mon, 05/09/2022 - 12:26
A clarification on the confusingly worded relationship between an 'ethernet cable' and 'ethernet,' kindly offered by _mud__: "A protocol is independent of the medium that transports it. What we call Ethernet cables are really shielded or unshielded twisted pair CAT 5/5e/6/etc cables, terminated with RJ45 plugs in TIA 568 A/B wiring. That's complicated to say, so we just refer to the cable by its

IT Pro Tuesday #200

Mon, 05/09/2022 - 12:17
Get this in your inbox each week. Welcome back to IT Pro Tuesday! First off this week, we'd like to invite you to take part in a 5-min survey on IT security compliance. Help us understand how your organization is dealing with ransomware threats, and you'll get a chance to win an Oculus Rift S VR! If you've glanced at the licensing sections on the Microsoft 365 admin portal it comes as no surprise

Network Advice

Mon, 04/11/2022 - 12:53
A word of caution from LifeOnDeathRow regarding the temptation to clean up racks of messy cabling when you have some free time: "Don't f*ck with a running network when there are critical services running just to make it look pretty. Wait until a switch replacement or a re-cabling job, but the risk vs reward is just not even close on this one."

IT Pro Tuesday #196

Mon, 04/11/2022 - 12:47
Get this in your inbox each week. Welcome back to IT Pro Tuesday! As the hybrid cloud management story is becoming critically important, The SysAdmin DOJO podcast is talking to various tech experts to get their take. We’ve just talked to Thomas Maurer from the Azure Advocacy team at Microsoft about Hybrid Cloud Management via Azure Arc. [Did you know you can setup your on-prem Azure Stack HCI

How to determine if your organization needs more bandwidth

Wed, 03/30/2022 - 12:20
Advice from VA_Network_Nerd on how to determine if your organization needs more bandwidth from the ISP: "Focus on your ISP circuit and the directly attached router interface. Look at your Network Monitoring System (NMS) performance data. If you don't have a NMS (an SNMP monitoring tool), you NEED ONE. Look at percent utilization over time. Are you spending significant portions of the day above 75%

IT Pro Tuesday #194

Wed, 03/30/2022 - 11:44
Get this in your inbox each week. Welcome back to IT Pro Tuesday! Last week Carsten Rachfahl and Andy Syrewicze hosted a webinar focused on Azure Stack HCI and Hybrid Cloud. During the webinar there were a lot of questions around Azure Stack HCI and how exactly to work with it. This SysAdmin DOJO podcast expands on some of the most interesting questions from the webinar! We're looking for cool

A Tip

Tue, 03/22/2022 - 12:47
Sin_of_the_Dark kindly shares some helpful Intune magic: "You can sync devices to Intune with a single-line PowerShell command: Get-ScheduledTask | where {$_.TaskName -eq 'PushLaunch'} | Start-ScheduledTask That's it. That's all. It doesn't help to invoke a sync remotely unless you have PS access to the computer somehow. This can be a quick and dirty way to invoke a sync for all your devices by

A Tip

Tue, 03/22/2022 - 12:45
projectself shares some great advice on how to approach the need to change IP addressing on multiple subnets: "Change the DHCP lease timeout down to 5 minutes or so. Add the new address in, replacing the old IP. Add the original IP in as secondary interface. Let it bake a few days. It will continue to run. Go look at the arp cache to find statically defined devices like printers. Go from arp mac

IT Pro Tuesday #193

Tue, 03/22/2022 - 12:41
Get this in your inbox each week. Welcome back to IT Pro Tuesday! Looking for the best Hyper-V management tools? The latest SysAdmin DOJO podcast has just released a two-part series exploring the management and tooling ecosystem for Hyper-V; the best tools for on prem and best tools for hybrid cloud. Listen/Watch on the DOJO or on your favorite podcast player. We're looking for cool tips and tools