Mid-2018 me and my friend (back then dearest colleague Andres Villalobos) ran into an issue with Linux teamd drivers and Cisco Nexus 9000 switches when using LACP vPC (virtual port channels) while doing validation and…
Going back to being an individual contributor, a word on changing roles in IT
I wonder how many of us in IT can plan for their own funeral? i don’t know, but i’m one of them. I decided to stop being a manager and go back to being an…
How to integrate Cisco ISE with FreeIPA or any other LDAP-based system
I like Cisco ISE, i think it’s a mature solution from version 2.3 and up (i hope smart licensing doesn’t bring too much burden in the future), especially when using External Identity Sources to authenticate…
The importance of learning English professionally in IT
Being a manager involves developing people, sometimes firing people, and most importantly hiring the right people for your team. Sadly for Esperanto and many other attempts of so-called “universal” languages, English has taken over this…
Solving error 0x8024402c in Windows 10 downloading language packs and features on demand (FOD)
For domain-joined devices Microsoft is moving ahead with having specific tools available as features on demand (FOD) downloaded via WSUS or SCCM and not via Windows Update or standalone executables. Unfortunately as of release 20H2…
Renewing my Cisco CCNP Enterprise certification with Continuing Education (CE) Credits
A while ago, probably less than 2 years ago, Cisco announced a new way to recertify any of their certifications via “Continuing Education” credits, or CE for short, very similar to the PDU point system…
Reverse DNS PTR records and web performance issues
It’s no secret that at the slightest delay in web browsing a user may experience (regardless if it’s Netflix or your Corporate Website), the Service Desk starts getting those “is the network slow today?” kind…
Political correctness as an IT consultant: DOs and DON’Ts
I’ve been an IT consultant for about 10 years now, on top of my regular 9-to-5 i’ve always had side consulting activities for other businesses, and around 2013 i was even teaching at the University…
Writing Job Descriptions your IT staff
Okay so, job titles right?, quite important because they tell you (or give you an idea) what a position may be about, but there’s absolutely no convention whatsoever for these, and an “IT Engineer” may…
Leverage Windows CMD executables from Linux using WSL version 1
Quick tip for Windows users who are still trapped with WSL version 1 due to very specific reasons, you can use the same CMD executables straight from your Linux VM, and with an easy enhancement…
VMware workstation nested virtualization and WSL2 disaster
Got caught into the WSL2 hype and ran into the surprise of errors such as “Virtualized Intel VT-x/EPT is not supported on this platform”? me too (…) welcome to VMware’s dumpster fire of nested virtualization…