I’ve been enjoying myself immensely playing around with Let’s Encrypt these last few days, and discovered a couple solution to common problems and issues, so I thought I’d make a small guide mostly for my own reference on how to… Read More ›
Tech
How to Really Set Up NTP on HP ProCurve / Aruba Switches – HP Networking Series Part 7
This is a short guide on how to set up NTP time synchronisation properly on HP ProCurve / Aruba network devices. Astute readers of this blog might remember that I covered this topic back in 2015, and you’d be right,… Read More ›
How to Configure CAA Records for Your Domain
In a quite recent event, the CA/Browser Forum decided that there’s a need for a way for CAs (Certificate Authorities) to check if they are allowed to issue certificates for a certain domain. And in a even more recent move,… Read More ›
Teaser: NTP Wall Clock Project
View this post on Instagram #Code completed (at least somewhat), now for the power supply and enclosure. #ntpclock #hugeclock #raspberrypi #sparkfun #funtimes A post shared by Sebastian Storholm (@sstorholm) on Nov 8, 2017 at 1:11pm PST If you’ve followed my… Read More ›
How to Factory Reset a HP Procurve / Aruba Switch – HP Networking Series Part 5
Sometimes it might be helpful to reset an HP Procurve / Aruba switch to it’s default factory config, and weirdly it took me until my 153rd installed switch (yes, I actually looked up how many I’ve installed over the years… Read More ›
Upgarding vRealize Operations Manager to 6.6
Updating appliance VMs can be a bit of daunting process since they are all usually different. vROPS (VMware vRealize Operations) is no different in that regard, but it’s a quite straightforward operation when you get understand the process.
Updating VMware vRealize Operations Manager Appliance
Updating appliance VMs can be a bit of daunting process since they are all usually different. vROPS (VMware vRealize Operations) is no different in that regard, but it’s a quite straightforward operation when you get understand the process.
The World’s Longest Console Cable – Smartflex Router Series
As everybody knows, console cables and their corresponding interfaces are a scourge on a network administrators existence. They are always too short, COM-ports get renumbered, Baud-rates are unknown, etc. By their very nature, you also have to be physically present… Read More ›
How to Stack HPE/Aruba 2920 Switches – HP Networking Series Part 4
The 2920 series switches from HPE/Aruba has a special feature that no other switches in the old ProCurve/E-Series line-up has; dedicated stacking interfaces. On other HPE switches, stacking merely facilitates “simplified” management, by allowing you to manage any switch in the… Read More ›
Grumpy Techie 