Was reminded that today was exactly one calendar month since I joined IQM Finland It's been a very hectic month and it's been mostly remote because of the pandemic. Have met a few people, video chatted with a few. We have these weekly lunch meetings that is a good way …

9 years were significant and meaningful to me. We did a lot of cool things that as a very nice side benefit helped research, both in Finland and in other places! I’ve been involved in some core projects, both for internal users and external ones. I was free to …

Wifi and PoE injector](images/DSC_1469-scaled.jpg) Some initial needful information Reset is done by holding MODE and then powering off and on the device Default enable password is Cisco Serial ttyUSB0 worked with one usb to rs232 and then a serial to RJ45 adapter, my cheapo ebay USB to …

In my youth I enjoyed the LANs. One fun game we played was Quadra - which is a multiplayer tetris where by playing the game you send more blocks to your opponents making it very stressful :D https://github.com/quadra-game/quadra turns out it is open source and it's out …

The challenges Hoe the season to be jolly! Been giving a few CTFs lately. It started with the disobey 2020 puzzle to get the hacker ticket. Then there was the OverTheWire's 2019 advent CTF. And finally this one, the SANS holiday hackmechallenge - KringleCon 2019. As of writing I got …

Is there an open source thing out there I could use?? So if I only want to use mostly free and open source it there's a bunch of tools one need to glue together: These days I'd like to for primary ingestion have a BGP ECMP/anycast for rsyslog receivers …

Recently I had the pleasure of contributing upstream to the OpenStack project! A link to my merged patches: https://review.opendev.org/#/q/owner:+guldmyr+status:merged In a previous OpenStack summit (these days called OpenInfra Summits), (Vancouver 2018) I went there a few days early and attended the Upstream …

We use puppet at $dayjob to configure OpenStack. I wanted to know if there's a lot of unused code in our manifests! From left of stage enters: https://github.com/camptocamp/puppet-ghostbuster Step one is to install the puppet modules and gems and whatnot, this blog post was good about …

Finally got around to sorting out an issue which basically was that the TV+Chromecast near the TV was on another network than the media server and thus I couldn't stream videos by using my phone. I've been thinking lately and in previous posts that maybe I should just get …

https://www.guldmyr.com/some-updates-to-the-home-network/ Above is a previous post in this series about some improvements to my home network. With two modems from two ISPs. So! On Alibaba I found two Hasivo 8x1GbE managed fanless switches with VLAN support. Delivery time to Finland was really quick. It didn't say …