Virtualizing NTP servers has been quite a hot topic for some time, but regardless of what some people say, you can actually virtualize NTP servers, as long as you know what you’re doing. If you examine some public NTP servers… Read More ›
Tech
Configuring Debian to Patch Itself
After a couple of years in the IT infrastructure world, you’ll be faced with the greatest task of all, updating servers every month or so. This has always been the most brain dead task imaginable, but now with virtualization, we… Read More ›
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 ›
Time Servers – GPS Antenna Placement
If you haven’t noticed already, I have something of a thing for everything time synchronization related. “Proper”, exact time is something that I find important, it’s probably OCD related. As a part of my day job, I manage a… 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 ›
FreeNAS: Migrating a RAID-Z vdev to a RAID-Z2
For the last couple of weeks, I’ve been playing around with a FreeBSD distribution that’s quite interesting, FreeNAS. FreeNAS basically turns any old box you have lying around into a NAS, though you should definitely not run it on any… Read More ›
